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Merge branch 'develop' into fix-rigid-enforce2d

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Axel Kohlmeyer
2023-11-11 02:21:25 -05:00
parent 35bf3e05ca 781eadc9c3
commit ae05e35017
451 changed files with 38667 additions and 9586 deletions
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2
.github/CODEOWNERS vendored
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@ -61,6 +61,7 @@ src/GPU/pair_vashishta_gpu.* @andeplane
src/KOKKOS/pair_vashishta_kokkos.* @andeplane
src/MANYBODY/pair_vashishta_table.* @andeplane
src/MANYBODY/pair_atm.* @sergeylishchuk
src/MANYBODY/pair_nb3b_screened.* @flodesani
src/REPLICA/*_grem.* @dstelter92
src/EXTRA-COMPUTE/compute_stress_mop*.* @RomainVermorel
src/EXTRA-COMPUTE/compute_born_matrix.* @Bibobu @athomps
@ -135,6 +136,7 @@ src/timer.* @akohlmey
src/utils.* @akohlmey @rbberger
src/verlet.* @sjplimp @stanmoore1
src/math_eigen_impl.h @jewettaij
src/fix_press_langevin.* @Bibobu
# tools
tools/coding_standard/* @akohlmey @rbberger

22
.github/CONTRIBUTING.md vendored
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@ -5,9 +5,9 @@ Thank you for considering to contribute to the LAMMPS software project.
The following is a set of guidelines as well as explanations of policies and work flows for contributing to the LAMMPS molecular dynamics software project. These guidelines focus on submitting issues or pull requests on the LAMMPS GitHub project.
Thus please also have a look at:
* [The guide for submitting new features in the LAMMPS manual](https://www.lammps.org/doc/Modify_contribute.html)
* [The guide on programming style and requirement in the LAMMPS manual](https://www.lammps.org/doc/Modify_style.html)
* [The GitHub tutorial in the LAMMPS manual](http://lammps.sandia.gov/doc/Howto_github.html)
* [The guide for submitting new features in the LAMMPS manual](https://docs.lammps.org/Modify_contribute.html)
* [The guide on programming style and requirement in the LAMMPS manual](https://docs.lammps.org/Modify_requirements.html)
* [The GitHub tutorial in the LAMMPS manual](http://docs.lammps.org/Howto_github.html)
## Table of Contents
@ -27,17 +27,17 @@ __
## I don't want to read this whole thing I just have a question!
> **Note:** Please do not file an issue to ask a general question about LAMMPS, its features, how to use specific commands, or how perform simulations or analysis in LAMMPS. Instead post your question to either the ['lammps-users' mailing list](https://lammps.sandia.gov/mail.html) or the [LAMMPS Material Science Discourse forum](https://matsci.org/lammps). You do not need to be subscribed to post to the list (but a mailing list subscription avoids having your post delayed until it is approved by a mailing list moderator). Most posts to the mailing list receive a response within less than 24 hours. Before posting to the mailing list, please read the [mailing list guidelines](https://lammps.sandia.gov/guidelines.html). Following those guidelines will help greatly to get a helpful response. Always mention which LAMMPS version you are using. The LAMMPS forum was recently created as part of a larger effort to build a materials science community and have discussions not just about using LAMMPS. Thus the forum may be also used for discussions that would be off-topic for the mailing list. Those will just have to be posted to a more general category.
> **Note:** Please do not file an issue to ask a general question about LAMMPS, its features, how to use specific commands, or how perform simulations or analysis in LAMMPS. Instead post your question to the [LAMMPS Material Science Discourse forum](https://matsci.org/lammps). Before posting to the forum, please read the general [guidelines](https://www.lammps.org/guidelines.html) and the forum specific [suggestions](https://matsci.org/t/please-read-this-first-guidelines-and-suggestions-for-posting-lammps-questions/49913). Following those guidelines and suggestions will help greatly to get a helpful response. *Always* mention which LAMMPS version you are using. The MatSci website may be also used for discussions that would be off-topic for the LAMMPS categories. Those will just have to be posted to a different category.
## How Can I Contribute?
There are several ways how you can actively contribute to the LAMMPS project: you can discuss compiling and using LAMMPS, and solving LAMMPS related problems with other LAMMPS users on the lammps-users mailing list or the forum, you can report bugs or suggest enhancements by creating issues on GitHub (or posting them to the lammps-users mailing list or posting in the LAMMPS Materials Science Discourse forum), and you can contribute by submitting pull requests on GitHub or e-mail your code
to one of the [LAMMPS core developers](https://lammps.sandia.gov/authors.html). As you may see from the aforementioned developer page, the LAMMPS software package includes the efforts of a very large number of contributors beyond the principal authors and maintainers.
to one of the [LAMMPS core developers](https://www.lammps.org/authors.html). As you may see from the aforementioned developer page, the LAMMPS software package includes the efforts of a very large number of contributors beyond the principal authors and maintainers.
### Discussing How To Use LAMMPS
The LAMMPS mailing list is hosted at SourceForge. The mailing list began in 2005, and now includes tens of thousands of messages in thousands of threads. LAMMPS developers try to respond to posted questions in a timely manner, but there are no guarantees. Please consider that people live in different timezone and may not have time to answer e-mails outside of their work hours.
You can post to list by sending your email to lammps-users at lists.sourceforge.net (no subscription required), but before posting, please read the [mailing list guidelines](https://lammps.sandia.gov/guidelines.html) to maximize your chances to receive a helpful response.
You can post to list by sending your email to lammps-users at lists.sourceforge.net (no subscription required), but before posting, please read the [mailing list guidelines](https://www.lammps.org/guidelines.html) to maximize your chances to receive a helpful response.
Anyone can browse/search previous questions/answers in the archives. You do not have to subscribe to the list to post questions, receive answers (to your questions), or browse/search the archives. You **do** need to subscribe to the list if you want emails for **all** the posts (as individual messages or in digest form), or to answer questions yourself. Feel free to sign up and help us out! Answering questions from fellow LAMMPS users is a great way to pay back the community for providing you a useful tool for free, and to pass on the advice you have received yourself to others. It improves your karma and helps you understand your own research better.
@ -47,7 +47,7 @@ The LAMMPS Materials Science Discourse forum was created recently to facilitate
### Reporting Bugs
While developers writing code for LAMMPS are careful to test their code, LAMMPS is such a large and complex software, that it is impossible to test for all combinations of features under all normal and not so normal circumstances. Thus bugs do happen, and if you suspect, that you have encountered one, please try to document it and report it as an [Issue](https://github.com/lammps/lammps/issues) on the LAMMPS GitHub project web page. However, before reporting a bug, you need to check whether this is something that may have already been corrected. The [Latest Features and Bug Fixes in LAMMPS](https://lammps.sandia.gov/bug.html) web page lists all significant changes to LAMMPS over the years. It also tells you what the current latest development version of LAMMPS is, and you should test whether your issue still applies to that version.
While developers writing code for LAMMPS are careful to test their code, LAMMPS is such a large and complex software, that it is impossible to test for all combinations of features under all normal and not so normal circumstances. Thus bugs do happen, and if you suspect, that you have encountered one, please try to document it and report it as an [Issue](https://github.com/lammps/lammps/issues) on the LAMMPS GitHub project web page. However, before reporting a bug, you need to check whether this is something that may have already been corrected. The [Latest Features and Bug Fixes in LAMMPS](https://www.lammps.org/bug.html) web page lists all significant changes to LAMMPS over the years. It also tells you what the current latest development version of LAMMPS is, and you should test whether your issue still applies to that version.
When you click on the green "New Issue" button, you will be provided with a text field, where you can enter your message. That text field with contain a template with several headlines and some descriptions. Keep the headlines that are relevant to your reported potential bug and replace the descriptions with the information as suggested by the descriptions.
You can also attach small text files (please add the file name extension `.txt` or it will be rejected), images, or small compressed text files (using gzip, do not use RAR or 7-ZIP or similar tools that are uncommon outside of Windows machines). In many cases, bugs are best illustrated by providing a small input deck (do **not** attach your entire production input, but remove everything that is not required to reproduce the issue, and scale down your system size, that the resulting calculation runs fast and can be run on small desktop quickly).
@ -65,9 +65,9 @@ To be able to submit an issue on GitHub, you have to register for an account (fo
We encourage users to submit new features or modifications for LAMMPS. Instructions, guidelines, requirements,
and recommendations are in the following sections of the LAMMPS manual:
* [The guide for submitting new features in the LAMMPS manual](https://lammps.sandia.gov/doc/Modify_contribute.html)
* [The guide on programming style and requirement in the LAMMPS manual](https://lammps.sandia.gov/doc/Modify_contribute.html)
* [The GitHub tutorial in the LAMMPS manual](http://lammps.sandia.gov/doc/Howto_github.html)
* [The guide for submitting new features in the LAMMPS manual](https://docs.lammps.org/Modify_contribute.html)
* [The guide on programming style and requirement in the LAMMPS manual](https://docs.lammps.org/Modify_requirements.html)
* [The GitHub tutorial in the LAMMPS manual](http://docs.lammps.org/Howto_github.html)
## GitHub Workflows
@ -85,7 +85,7 @@ For bug reports, the next step is that one of the core LAMMPS developers will se
### Pull Requests
Pull requests are the **only** way that changes get made to the LAMMPS distribution. So also the LAMMPS core developers will submit pull requests for their own changes and discuss them on GitHub. Thus if you submit a pull request it will be treated in a similar fashion. When you submit a pull request you may opt to submit a "Draft" pull request. That means your changes are visible and will be subject to testing, but reviewers will not be (auto-)assigned and comments will take into account that this is not complete. On the other hand, this is a perfect way to ask the LAMMPS developers for comments on non-obvious changes and get feedback and possible suggestions for improvements or recommendations about what to avoid.
Immediately after the submission, the LAMMPS continuing integration server at ci.lammps.org will download your submitted branch and perform a number of tests: it will tests whether it compiles cleanly under various conditions, it will also do a check on whether your included documentation translates cleanly and run some unit tests and other checks. Whether these tests are successful or fail will be recorded. If a test fails, please inspect the corresponding output on the CI server and take the necessary steps, if needed, so that the code can compile cleanly again. The test will be re-run each time the pull request is updated with a push to the remote branch on GitHub. If you are unsure about what you need to change, ask a question in the discussion area of the pull request.
Immediately after the submission, the LAMMPS continuing integration server at https://ci.lammps.org will download your submitted branch and perform a number of tests: it will tests whether it compiles cleanly under various conditions, it will also do a check on whether your included documentation translates cleanly and run some unit tests and other checks. Whether these tests are successful or fail will be recorded. If a test fails, please inspect the corresponding output on the CI server and take the necessary steps, if needed, so that the code can compile cleanly again. The test will be re-run each time the pull request is updated with a push to the remote branch on GitHub. If you are unsure about what you need to change, ask a question in the discussion area of the pull request.
Next a LAMMPS core developer will self-assign and do an overall technical assessment of the submission. If you submitted a draft pull request, this will not happen unless you mark it "ready for review". If you are not yet invited as a LAMMPS collaborator, and your contribution seems significant, you may also receive an invitation for collaboration on the LAMMPS repository. As part of the assessment, the pull request will be categorized with labels. There are two special labels: `needs_work` (indicates that work from the submitter of the pull request is needed) and `work_in_progress` (indicates, that the assigned LAMMPS developer will make changes, if not done by the contributor who made the submit).
You may also receive comments and suggestions on the overall submission or specific details and on occasion specific requests for changes as part of the review. If permitted, also additional changes may be pushed into your pull request branch or a pull request may be filed in your LAMMPS fork on GitHub to include those changes.
The LAMMPS developer may then decide to assign the pull request to another developer (e.g. when that developer is more knowledgeable about the submitted feature or enhancement or has written the modified code). It may also happen, that additional developers are requested to provide a review and approve the changes. For submissions, that may change the general behavior of LAMMPS, or where a possibility of unwanted side effects exists, additional tests may be requested by the assigned developer.

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cmake/CMakeLists.txt
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@ -159,17 +159,20 @@ endif()
########################################################################
# User input options #
########################################################################
# set path to python interpreter and thus enforcing python version when
# in a virtual environment and PYTHON_EXECUTABLE is not set on command line
if(DEFINED ENV{VIRTUAL_ENV} AND NOT PYTHON_EXECUTABLE)
if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
set(PYTHON_EXECUTABLE "$ENV{VIRTUAL_ENV}/Scripts/python.exe")
else()
set(PYTHON_EXECUTABLE "$ENV{VIRTUAL_ENV}/bin/python")
endif()
# backward compatibility with CMake before 3.12 and older LAMMPS documentation
if (PYTHON_EXECUTABLE)
set(Python_EXECUTABLE "${PYTHON_EXECUTABLE}")
endif()
# set path to python interpreter and thus enforcing python version when
# in a virtual environment and Python_EXECUTABLE is not set on command line
if(DEFINED ENV{VIRTUAL_ENV} AND NOT Python_EXECUTABLE)
if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
set(Python_EXECUTABLE "$ENV{VIRTUAL_ENV}/Scripts/python.exe")
else()
set(Python_EXECUTABLE "$ENV{VIRTUAL_ENV}/bin/python")
endif()
message(STATUS "Running in virtual environment: $ENV{VIRTUAL_ENV}\n"
" Setting Python interpreter to: ${PYTHON_EXECUTABLE}")
" Setting Python interpreter to: ${Python_EXECUTABLE}")
endif()
set(LAMMPS_MACHINE "" CACHE STRING "Suffix to append to lmp binary (WON'T enable any features automatically")
@ -794,9 +797,6 @@ install(
###############################################################################
if(BUILD_SHARED_LIBS)
# backward compatibility
if(PYTHON_EXECUTABLE)
set(Python_EXECUTABLE ${PYTHON_EXECUTABLE})
endif()
find_package(Python COMPONENTS Interpreter)
if(BUILD_IS_MULTI_CONFIG)
set(MY_BUILD_DIR ${CMAKE_BINARY_DIR}/$<CONFIG>)

4
cmake/Modules/Packages/ML-PACE.cmake
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@ -1,6 +1,6 @@
set(PACELIB_URL "https://github.com/ICAMS/lammps-user-pace/archive/refs/tags/v.2023.01.3.fix.tar.gz" CACHE STRING "URL for PACE evaluator library sources")
set(PACELIB_URL "https://github.com/ICAMS/lammps-user-pace/archive/refs/tags/v.2023.10.04.tar.gz" CACHE STRING "URL for PACE evaluator library sources")
set(PACELIB_MD5 "4f0b3b5b14456fe9a73b447de3765caa" CACHE STRING "MD5 checksum of PACE evaluator library tarball")
set(PACELIB_MD5 "70ff79f4e59af175e55d24f3243ad1ff" CACHE STRING "MD5 checksum of PACE evaluator library tarball")
mark_as_advanced(PACELIB_URL)
mark_as_advanced(PACELIB_MD5)
GetFallbackURL(PACELIB_URL PACELIB_FALLBACK)

2
cmake/Modules/Packages/PYTHON.cmake
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@ -1,6 +1,6 @@
if(NOT Python_INTERPRETER)
# backward compatibility
# backward compatibility with CMake before 3.12 and older LAMMPS documentation
if(PYTHON_EXECUTABLE)
set(Python_EXECUTABLE ${PYTHON_EXECUTABLE})
endif()

7
cmake/packaging/build_windows_vs.cmake
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@ -21,6 +21,13 @@ file(WRITE qtdeploy.bat "@ECHO OFF\r\nset VSCMD_DEBUG=0\r\nCALL ${VC_INIT} x64\r
execute_process(COMMAND cmd.exe /c qtdeploy.bat COMMAND_ECHO STDERR)
file(REMOVE qtdeploy.bat)
# download and uncompress static FFMpeg and gzip binaries
file(DOWNLOAD "https://download.lammps.org/thirdparty/ffmpeg-gzip.zip" ffmpeg-gzip.zip)
file(WRITE unpackzip.ps1 "Expand-Archive -Path ffmpeg-gzip.zip -DestinationPath LAMMPS_GUI")
execute_process(COMMAND powershell -ExecutionPolicy Bypass -File unpackzip.ps1)
file(REMOVE unpackzip.ps1)
file(REMOVE ffmpeg-gzip.zip)
# create zip archive
file(WRITE makearchive.ps1 "Compress-Archive -Path LAMMPS_GUI -CompressionLevel Optimal -DestinationPath LAMMPS_GUI-Win10-amd64.zip")
execute_process(COMMAND powershell -ExecutionPolicy Bypass -File makearchive.ps1)

2
cmake/presets/macos-multiarch.cmake
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@ -10,5 +10,3 @@ set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "" FORCE)
set(CMAKE_C_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "" FORCE)
set(BUILD_MPI FALSE CACHE BOOL "" FORCE)
set(BUILD_SHARED_LIBS FALSE CACHE BOOL "" FORCE)
set(LAMMPS_EXCEPTIONS TRUE CACHE BOOL "" FORCE)

4
doc/Makefile
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@ -63,6 +63,7 @@ help:
@echo " anchor_check scan for duplicate anchor labels"
@echo " style_check check for complete and consistent style lists"
@echo " package_check check for complete and consistent package lists"
@echo " role_check check for misformatted role keywords"
@echo " spelling spell-check the manual"
# ------------------------------------------
@ -98,6 +99,7 @@ html: xmlgen $(VENV) $(SPHINXCONFIG)/conf.py $(ANCHORCHECK) $(MATHJAX)
env LC_ALL=C grep -n '[^ -~]' $(RSTDIR)/*.rst ;\
env LC_ALL=C grep -n ' :[a-z]\+`' $(RSTDIR)/*.rst ;\
env LC_ALL=C grep -n ' `[^`]\+<[a-z][^`]\+`[^_]' $(RSTDIR)/*.rst ;\
env LC_ALL=C grep -n ':\(ref\|doc\):[^`]' $(RSTDIR)/*.rst ;\
$(PYTHON) $(BUILDDIR)/utils/check-styles.py -s ../src -d src ;\
echo "############################################" ;\
deactivate ;\
@ -179,6 +181,7 @@ pdf: xmlgen $(VENV) $(SPHINXCONFIG)/conf.py $(ANCHORCHECK)
env LC_ALL=C grep -n '[^ -~]' $(RSTDIR)/*.rst ;\
env LC_ALL=C grep -n ' :[a-z]\+`' $(RSTDIR)/*.rst ;\
env LC_ALL=C grep -n ' `[^`]\+<[a-z][^`]\+`[^_]' $(RSTDIR)/*.rst ;\
env LC_ALL=C grep -n ':\(ref\|doc\):[^`]' $(RSTDIR)/*.rst ;\
$(PYTHON) utils/check-styles.py -s ../src -d src ;\
echo "############################################" ;\
deactivate ;\
@ -227,6 +230,7 @@ char_check :
role_check :
@( env LC_ALL=C grep -n ' :[a-z]\+`' $(RSTDIR)/*.rst && exit 1 || : )
@( env LC_ALL=C grep -n ' `[^`]\+<[a-z][^`]\+`[^_]' $(RSTDIR)/*.rst && exit 1 || : )
@( env LC_ALL=C grep -n ':\(ref\|doc\):[^`]' $(RSTDIR)/*.rst && exit 1 || : )
link_check : $(VENV) html
@(\

14
doc/src/Build_cmake.rst
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@ -177,13 +177,13 @@ configuration is selected with the *-C* flag:
ctest -C Debug
The CMake scripts in LAMMPS have basic support for being compiled using a
multi-config build system, but not all of it has been ported. This is in
particular applicable to compiling packages that require additional libraries
that would be downloaded and compiled by CMake. The "windows" preset file
tries to keep track of which packages can be compiled natively with the
MSVC compilers out-of-the box. Not all of those external libraries are
portable to Windows, either.
The CMake scripts in LAMMPS have basic support for being compiled using
a multi-config build system, but not all of it has been ported. This is
in particular applicable to compiling packages that require additional
libraries that would be downloaded and compiled by CMake. The
``windows.cmake`` preset file tries to keep track of which packages can
be compiled natively with the MSVC compilers out-of-the box. Not all of
the external libraries are portable to Windows, either.
Installing CMake

11
doc/src/Build_extras.rst
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@ -722,9 +722,10 @@ This list was last updated for version 4.0.1 of the Kokkos library.
``cmake/presets`` folder, ``kokkos-serial.cmake``,
``kokkos-openmp.cmake``, ``kokkos-cuda.cmake``,
``kokkos-hip.cmake``, and ``kokkos-sycl.cmake``. They will enable
the KOKKOS package and enable some hardware choice. So to compile
with CUDA device parallelization (for GPUs with CC 5.0 and up)
with some common packages enabled, you can do the following:
the KOKKOS package and enable some hardware choices. For GPU
support those preset files must be customized to match the
hardware used. So to compile with CUDA device parallelization with
some common packages enabled, you can do the following:
.. code-block:: bash
@ -1055,12 +1056,12 @@ additional details.
.. code-block:: bash
-D PYTHON_EXECUTABLE=path # path to Python executable to use
-D Python_EXECUTABLE=path # path to Python executable to use
Without this setting, CMake will guess the default Python version
on your system. To use a different Python version, you can either
create a virtualenv, activate it and then run cmake. Or you can
set the PYTHON_EXECUTABLE variable to specify which Python
set the Python_EXECUTABLE variable to specify which Python
interpreter should be used. Note note that you will also need to
have the development headers installed for this version,
e.g. python2-devel.

1
doc/src/Build_package.rst
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@ -182,6 +182,7 @@ make a copy of one of them and modify it to suit your needs.
cmake -C ../cmake/presets/all_on.cmake [OPTIONS] ../cmake # enable all packages
cmake -C ../cmake/presets/all_off.cmake [OPTIONS] ../cmake # disable all packages
mingw64-cmake -C ../cmake/presets/mingw-cross.cmake [OPTIONS] ../cmake # compile with MinGW cross-compilers
cmake -C ../cmake/presets/macos-multiarch.cmake [OPTIONS] ../cmake # compile serial multi-arch binaries on macOS
Presets that have names starting with "windows" are specifically for
compiling LAMMPS :doc:`natively on Windows <Build_windows>` and

5
doc/src/Commands_fix.rst
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@ -69,7 +69,7 @@ OPT.
* :doc:`drude/transform/inverse <fix_drude_transform>`
* :doc:`dt/reset (k) <fix_dt_reset>`
* :doc:`edpd/source <fix_dpd_source>`
* :doc:`efield <fix_efield>`
* :doc:`efield (k) <fix_efield>`
* :doc:`efield/tip4p <fix_efield>`
* :doc:`ehex <fix_ehex>`
* :doc:`electrode/conp (i) <fix_electrode>`
@ -181,6 +181,7 @@ OPT.
* :doc:`pour <fix_pour>`
* :doc:`precession/spin <fix_precession_spin>`
* :doc:`press/berendsen <fix_press_berendsen>`
* :doc:`press/langevin <fix_press_langevin>`
* :doc:`print <fix_print>`
* :doc:`propel/self <fix_propel_self>`
* :doc:`property/atom (k) <fix_property_atom>`
@ -232,7 +233,7 @@ OPT.
* :doc:`spring <fix_spring>`
* :doc:`spring/chunk <fix_spring_chunk>`
* :doc:`spring/rg <fix_spring_rg>`
* :doc:`spring/self <fix_spring_self>`
* :doc:`spring/self (k) <fix_spring_self>`
* :doc:`srd <fix_srd>`
* :doc:`store/force <fix_store_force>`
* :doc:`store/state <fix_store_state>`

7
doc/src/Commands_pair.rst
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@ -220,7 +220,8 @@ OPT.
* :doc:`morse/soft <pair_fep_soft>`
* :doc:`multi/lucy <pair_multi_lucy>`
* :doc:`multi/lucy/rx (k) <pair_multi_lucy_rx>`
* :doc:`nb3b/harmonic <pair_nb3b_harmonic>`
* :doc:`nb3b/harmonic <pair_nb3b>`
* :doc:`nb3b/screened <pair_nb3b>`
* :doc:`nm/cut (o) <pair_nm>`
* :doc:`nm/cut/coul/cut (o) <pair_nm>`
* :doc:`nm/cut/coul/long (o) <pair_nm>`
@ -265,7 +266,7 @@ OPT.
* :doc:`smd/tri_surface <pair_smd_triangulated_surface>`
* :doc:`smd/ulsph <pair_smd_ulsph>`
* :doc:`smtbq <pair_smtbq>`
* :doc:`snap (k) <pair_snap>`
* :doc:`snap (ik) <pair_snap>`
* :doc:`soft (go) <pair_soft>`
* :doc:`sph/heatconduction <pair_sph_heatconduction>`
* :doc:`sph/idealgas <pair_sph_idealgas>`
@ -305,5 +306,5 @@ OPT.
* :doc:`wf/cut <pair_wf_cut>`
* :doc:`ylz <pair_ylz>`
* :doc:`yukawa (gko) <pair_yukawa>`
* :doc:`yukawa/colloid (go) <pair_yukawa_colloid>`
* :doc:`yukawa/colloid (gko) <pair_yukawa_colloid>`
* :doc:`zbl (gko) <pair_zbl>`

253
doc/src/Howto_lammps_gui.rst
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@ -5,48 +5,61 @@ This document describes **LAMMPS GUI version 1.5**.
-----
LAMMPS GUI is a simple graphical text editor that is linked to the
:ref:`LAMMPS library <lammps_c_api>` and thus can run LAMMPS directly
using the contents of the editor's text buffer as input. It can
retrieve and display information from LAMMPS while it is running and is
adapted in multiple ways specifically for editing LAMMPS input files.
LAMMPS GUI is a graphical text editor customized for editing LAMMPS
input files that is linked to the :ref:`LAMMPS library <lammps_c_api>`
and thus can run LAMMPS directly using the contents of the editor's text
buffer as input. It can retrieve and display information from LAMMPS
while it is running, display visualizations created with the :doc:`dump
image command <dump_image>`, and is adapted specifically for editing
LAMMPS input files through text completion and reformatting, and linking
to the online LAMMPS documentation for known LAMMPS commands and styles.
.. note::
Pre-compiled, ready-to-use LAMMPS GUI executables for Linux (Ubuntu
20.04LTS or later and compatible), macOS (version 11 aka Big Sur or
later), and Windows (version 10 or later) :ref:`are available
<lammps-gui-install>` for download. The executables are linked to
a current version of LAMMPS as well. The source code for the
LAMMPS GUI is included in the ``tools/lammps-gui`` folder of the
LAMMPS distribution and it can be compiled alongside LAMMPS with
CMake.
<lammps_gui_install>` for download. They may be linked to a
development version of LAMMPS in case they need features not yet
available in a released version. Serial LAMMPS executables of the
same LAMMPS version are included as well. The source code for the
LAMMPS GUI is included in the LAMMPS source code and can be found in
the ``tools/lammps-gui`` folder. It can be compiled alongside LAMMPS
when :doc:`compiling with CMake <Build_cmake>`.
LAMMPS GUI tries to be similar to what people traditionally would do
to run LAMMPS using a command line window: editing inputs with a text
editor, run LAMMPS on the input with selected command line flags, and
then extract data from the created files and view them. That
procedure is quite effective and often required when running LAMMPS on
high-performance computing facilities, or for people proficient in
using the command line, as that allows them to use tools for the
individual steps which they are most comfortable with.
LAMMPS GUI tries to provide an experience similar to what people
traditionally would do to run LAMMPS using a command line window:
The main benefit of a GUI application is that many basic tasks can be
done directly from the GUI without switching to a text console or
requiring external programs, let alone scripts to extract data from
the generated output. It also integrates well with graphical desktop
environments.
- editing inputs with a text editor
- run LAMMPS on the input with selected command line flags
- and then use or extract data from the created files and visualize it
That procedure is quite effective for people proficient in using the
command line, as that allows them to use tools for the individual steps
which they are most comfortable with. It is often required when running
LAMMPS on high-performance computing facilities.
The main benefit of using the LAMMPS GUI application instead is that
many basic tasks can be done directly from the GUI without switching to
a text console window or using external programs, let alone writing
scripts to extract data from the generated output. It also integrates
well with graphical desktop environments.
LAMMPS GUI thus makes it easier for beginners to get started running
simple LAMMPS simulations. It is very suitable for tutorials on
LAMMPS since you only need to learn how to use a single program. It
is also designed to keep the barrier low when you decide to switch to
a full featured, standalone programming editor and more sophisticated
simple LAMMPS simulations. It is very suitable for tutorials on LAMMPS
since you only need to learn how to use a single program for most tasks
and thus time can be saved and people can focus on learning LAMMPS. It
is also designed to keep the barrier low when you decide to switch to a
full featured, standalone programming editor and more sophisticated
visualization and analysis tools and run LAMMPS from a command line.
The following text provides a detailed tour of the features and
functionality of the LAMMPS GUI.
Suggestions for new features and reports of bugs are always welcome.
You can use the :doc:`the same channels as for LAMMPS itself
<Errors_bugs>` for that purpose.
-----
Main window
@ -86,9 +99,9 @@ save them.
Running LAMMPS
^^^^^^^^^^^^^^
From within the LAMMPS GUI main window LAMMPS can be started either
from the ``Run`` menu using the ``Run LAMMPS from Editor Buffer``
entry, by the hotkey `Ctrl-Enter` (`Command-Enter` on macOS), or by
From within the LAMMPS GUI main window LAMMPS can be started either from
the ``Run`` menu using the ``Run LAMMPS from Editor Buffer`` entry, by
the keyboard shortcut `Ctrl-Enter` (`Command-Enter` on macOS), or by
clicking on the green "Run" button in the status bar. All of these
operations will cause LAMMPS to process the entire input script, which
may contain multiple :doc:`run <run>` or :doc:`minimize <minimize>`
@ -147,10 +160,10 @@ More information on those windows and how to adjust their behavior and
contents is given below.
An active LAMMPS run can be stopped cleanly by using either the ``Stop
LAMMPS`` entry in the ``Run`` menu, the hotkey `Ctrl-/` (`Command-/`
on macOS), or by clicking on the red button in the status bar. This
will cause the running LAMMPS process to complete the current timestep
(or iteration for energy minimization) and then complete the
LAMMPS`` entry in the ``Run`` menu, the keyboard shortcut `Ctrl-/`
(`Command-/` on macOS), or by clicking on the red button in the status
bar. This will cause the running LAMMPS process to complete the current
timestep (or iteration for energy minimization) and then complete the
processing of the buffer while skipping all run or minimize commands.
This is equivalent to the input script command :doc:`timer timeout 0
<timer>` and is implemented by calling the
@ -172,17 +185,20 @@ be seen in the command line window, as shown below.
LAMMPS GUI captures the screen output as it is generated and updates
the log window regularly during a run.
By default, there will be a new window for each run, so that it is
possible to visually compare outputs from different runs. It is also
possible to change the behavior of LAMMPS GUI in the preferences dialog
to *replace* an existing log window for a new run or to not show the log
window by default. It is also possible to show or hide the current log
window from the ``View`` menu.
By default, the log window will be replaced each time a run is started.
The runs are counted and the run number for the current run is displayed
in the window title. It is possible to change the behavior of LAMMPS
GUI in the preferences dialog to create a *new* log window for every run
or to not show the current log window. It is also possible to show or
hide the *current* log window from the ``View`` menu.
The text in the log window is read-only and cannot be modified, but
editor commands to select and copy all or parts of the text can be used.
The "Select All" and "Copy" functions are also available via a context
menu by clicking with the right mouse button.
keyboard shortcuts to select and copy all or parts of the text can be
used to transfer text to another program. Also, the keyboard shortcut
`Ctrl-S` (`Command-S` on macOS) is available to save the log buffer to a
file. The "Select All" and "Copy" functions, as well as a "Save Log to
File" option are also available from a context menu by clicking with the
right mouse button into the log window text area.
Chart Window
------------
@ -199,10 +215,16 @@ The drop down menu on the top right allows selection of different
properties that are computed and written to thermo output. Only one
property can be shown at a time. The plots will be updated with new
data as the run progresses, so they can be used to visually monitor the
evolution of available properties. From the ``File`` menu on the top
left, it is possible to save an image of the currently displayed plot or
export the data in either plain text columns (for use by plotting tools
like `gnuplot <http://www.gnuplot.info/>`_ or `grace
evolution of available properties. The window title will show the
current run number that this chart window corresponds to. Same as
explained for the log window above, by default, the chart window will
be replaced on each new run, but the behavior can be changed in the
preferences dialog.
From the ``File`` menu on the top left, it is possible to save an image
of the currently displayed plot or export the data in either plain text
columns (for use by plotting tools like `gnuplot
<http://www.gnuplot.info/>`_ or `grace
<https://plasma-gate.weizmann.ac.il/Grace/>`_), or as CSV data which can
be imported for further processing with Microsoft Excel or `pandas
<https://pandas.pydata.org/>`_
@ -225,19 +247,20 @@ displays the images created by LAMMPS as they are written.
:align: center
:scale: 50%
The various buttons at the bottom right of the window allow either
single stepping through the sequence of images or playing an animation
(as a continuous loop or once from first to last). It is also possible
to zoom in or zoom out of the displayed images. The slide show window
will be closed when a new file is loaded.
The various buttons at the bottom right of the window allow single
stepping through the sequence of images or playing an animation (as a
continuous loop or once from first to last). It is also possible to
zoom in or zoom out of the displayed images, and to export the slide
show animation to a movie file, if `ffmpeg <https://ffmpeg.org/>`_ is
installed.
Variable Info
-------------
During a run, it may be of interest to monitor the value of input
script variables, for example to monitor the progress of loops. This
can be done by enabling the "Variables Window" in the ``View`` menu or
by using the `Ctrl-Shift-W` hotkey. This will show info similar to
During a run, it may be of interest to monitor the value of input script
variables, for example to monitor the progress of loops. This can be
done by enabling the "Variables Window" in the ``View`` menu or by using
the `Ctrl-Shift-W` keyboard shortcut. This will show info similar to
the :doc:`info variables <info>` command in a separate window as shown
below.
@ -250,16 +273,27 @@ during a run. It will show "(none)" if there are no variables
defined. Note that it is also possible to *set* :doc:`index style
variables <variable>`, that would normally be set via command line
flags, via the "Set Variables..." dialog from the ``Run`` menu.
LAMMPS GUI will automatically set the variable "gui_run" to the
current value of the run counter. That way it would be possible
to automatically record a log for each run attempt by using the
command
.. code-block:: LAMMPS
log logfile-${gui_run}.txt
at the beginning of an input file. That would record logs to files
``logfile-1.txt``, ``logfile-2.txt``, and so on for successive runs.
Viewing Snapshot Images
-----------------------
By selecting the ``Create Image`` entry in the ``Run`` menu, or by
hitting the `Ctrl-I` (`Command-I` on macOS) hotkey, or by clicking on
the "palette" button in the status bar, LAMMPS GUI will send a custom
:doc:`write_dump image <dump_image>` command to LAMMPS and read the
resulting snapshot image with the current state of the system into an
image viewer window. This functionality is not available *during* an
hitting the `Ctrl-I` (`Command-I` on macOS) keyboard shortcut, or by
clicking on the "palette" button in the status bar, LAMMPS GUI will send
a custom :doc:`write_dump image <dump_image>` command to LAMMPS and read
the resulting snapshot image with the current state of the system into
an image viewer window. This functionality is not available *during* an
ongoing run. When LAMMPS is not yet initialized, LAMMPS GUI will try to
identify the line with the first run or minimize command and execute all
command up to that line from the input buffer and then add a "run 0"
@ -306,34 +340,41 @@ contents to a file.
Context Specific Word Completion
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
By default, LAMMPS GUI will display a small popup frame with possible
completions for LAMMPS input script commands or styles after 2
characters of a word have been typed. The word can then be completed
through selecting an entry by scrolling down with the cursor keys and
selecting with the 'Enter' key or by clicking on the entry with the
mouse. The automatic completion popup can be disabled in the
``Preferences`` dialog, but the completion can still be requested
manually by either hitting the 'Shift-TAB' key or by right-clicking with
the mouse and selecting the option from the context menu. Most of the
completion information is taken from the LAMMPS instance and thus it
will be adjusted to only show options available that have been enabled
while compiling LAMMPS, however that excludes accelerated styles and
commands, only non-suffix versions are shown.
By default, LAMMPS GUI will display a small pop-up frame with possible
choices for LAMMPS input script commands or styles after 2 characters of
a word have been typed.
.. image:: JPG/lammps-gui-complete.png
:align: center
:scale: 75%
The word can then be completed through selecting an entry by scrolling
up and down with the cursor keys and selecting with the 'Enter' key or
by clicking on the entry with the mouse. The automatic completion
pop-up can be disabled in the ``Preferences`` dialog, but the completion
can still be requested manually by either hitting the 'Shift-TAB' key or
by right-clicking with the mouse and selecting the option from the
context menu. Most of the completion information is taken from the
LAMMPS instance and thus it will be adjusted to only show available
options that have been enabled while compiling LAMMPS. That, however,
excludes accelerated styles and commands; for improved clarity, only the
non-suffix version of styles are shown.
Line Reformatting
^^^^^^^^^^^^^^^^^
The editor supports reformatting lines according to the syntax in
order to have consistently aligned lines. This primarily means adding
space padding to commands, type specifiers, IDs and names. This
The editor supports reformatting lines according to the syntax in order
to have consistently aligned lines. This primarily means adding
whitespace padding to commands, type specifiers, IDs and names. This
reformatting is performed by default when hitting the 'Enter' key to
start a new line. This feature can be turned off in the
start a new line. This feature can be turned on or off in the
``Preferences`` dialog, but it can still be manually performed by
hitting the 'TAB' key.
hitting the 'TAB' key. The amount of padding can also be changed in the
``Preferences`` dialog.
Internally this functionality is achieved by splitting the line into
"words" and then putting it back together with padding added where the
context can be detected; otherwise a single space is used.
context can be detected; otherwise a single space is used between words.
Context Specific Help
^^^^^^^^^^^^^^^^^^^^^
@ -343,23 +384,23 @@ Context Specific Help
:scale: 50%
A unique feature of the LAMMPS GUI is the option to look up the
documentation for the command in the current line. This can be done
by either clicking the right mouse button or by using the `Ctrl-?`
hotkey. When clicking the mouse there are additional entries in the
context menu that will open the corresponding documentation page in
the online LAMMPS documentation. When using the hotkey, the first of
documentation for the command in the current line. This can be done by
either clicking the right mouse button or by using the `Ctrl-?` keyboard
shortcut. When clicking the mouse there are additional entries in the
context menu that will open the corresponding documentation page in the
online LAMMPS documentation. When using the keyboard, the first of
those entries will be chosen directly.
Menu
----
The menu bar has entries ``File``, ``Edit``, ``Run``, ``View``, and
``About``. Instead of using the mouse to click on them, the
individual menus can also be activated by hitting the `Alt` key
together with the corresponding underlined letter, that is `Alt-F`
will activate the ``File`` menu. For the corresponding activated
sub-menus, the underlined letter together with the `Alt` key can again
be used to select entries instead of using the mouse.
``About``. Instead of using the mouse to click on them, the individual
menus can also be activated by hitting the `Alt` key together with the
corresponding underlined letter, that is `Alt-F` will activate the
``File`` menu. For the corresponding activated sub-menus, the key
corresponding the underlined letters can again be used to select entries
instead of using the mouse.
File
^^^^
@ -385,8 +426,8 @@ Edit
The ``Edit`` menu offers the usual editor functions like ``Undo``,
``Redo``, ``Cut``, ``Copy``, ``Paste``. It can also open a
``Preferences`` dialog (hotkey `Ctrl-P`) and allows deletion of all
stored preferences so they will be reset to default values.
``Preferences`` dialog (keyboard shortcut `Ctrl-P`) and allows deletion
of all stored preferences so they will be reset to default values.
Run
^^^
@ -516,7 +557,7 @@ General Settings:
- *Replace image window on new render:* when checked, an existing
chart window will be replaced when a new snapshot image is requested,
otherwise each command will create a new image window.
- *Path to LAMMPS Shared Library File:* this options is only available
- *Path to LAMMPS Shared Library File:* this option is only visible
when LAMMPS GUI was compiled to load the LAMMPS library at run time
instead of being linked to it directly. With the ``Browse..`` button
or by changing the text, a different shared library file with a
@ -574,26 +615,26 @@ the range between 1 and 32.
The two settings which follow enable or disable the automatic
reformatting when hitting the 'Enter' key and the automatic display of
the completion popup window.
the completion pop-up window.
-----------
Hotkeys
-------
Keyboard Shortcuts
------------------
Almost all functionality is accessible from the menu or via hotkeys.
The following hotkeys are available (On macOS use the Command key
instead of Ctrl/Control).
Almost all functionality is accessible from the menu of the editor
window or through keyboard shortcuts. The following shortcuts are
available (On macOS use the Command key instead of Ctrl/Control).
.. list-table::
:header-rows: 1
:widths: auto
* - Hotkey
* - Shortcut
- Function
- Hotkey
- Shortcut
- Function
- Hotkey
- Shortcut
- Function
* - Ctrl+N
- New File
@ -620,7 +661,7 @@ instead of Ctrl/Control).
- Ctrl+I
- Snapshot Image
* - Ctrl+Q
- Quit
- Quit Application
- Ctrl+V
- Paste text
- Ctrl+L
@ -653,3 +694,7 @@ instead of Ctrl/Control).
Further editing keybindings `are documented with the Qt documentation
<https://doc.qt.io/qt-5/qplaintextedit.html#editing-key-bindings>`_. In
case of conflicts the list above takes precedence.
All other windows only support a subset of keyboard shortcuts listed
above. Typically, the shortcuts `Ctrl-/` (Stop Run), `Ctrl-W` (Close
Window), and `Ctrl-Q` (Quit Application) are supported.

140
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@ -1,7 +1,7 @@
Output from LAMMPS (thermo, dumps, computes, fixes, variables)
==============================================================
There are four basic kinds of LAMMPS output:
There are four basic forms of LAMMPS output:
* :doc:`Thermodynamic output <thermo_style>`, which is a list of
quantities printed every few timesteps to the screen and logfile.
@ -20,18 +20,17 @@ output files, depending on what :doc:`dump <dump>` and :doc:`fix <fix>`
commands you specify.
As discussed below, LAMMPS gives you a variety of ways to determine
what quantities are computed and printed when the thermodynamics,
what quantities are calculated and printed when the thermodynamics,
dump, or fix commands listed above perform output. Throughout this
discussion, note that users can also :doc:`add their own computes and
fixes to LAMMPS <Modify>` which can then generate values that can then
be output with these commands.
fixes to LAMMPS <Modify>` which can generate values that can then be
output with these commands.
The following subsections discuss different LAMMPS commands related
to output and the kind of data they operate on and produce:
* :ref:`Global/per-atom/local/per-grid data <global>`
* :ref:`Scalar/vector/array data <scalar>`
* :ref:`Per-grid data <grid>`
* :ref:`Disambiguation <disambiguation>`
* :ref:`Thermodynamic output <thermo>`
* :ref:`Dump file output <dump>`
@ -48,34 +47,65 @@ to output and the kind of data they operate on and produce:
Global/per-atom/local/per-grid data
-----------------------------------
Various output-related commands work with four different styles of
Various output-related commands work with four different "styles" of
data: global, per-atom, local, and per-grid. A global datum is one or
more system-wide values, e.g. the temperature of the system. A
per-atom datum is one or more values per atom, e.g. the kinetic energy
of each atom. Local datums are calculated by each processor based on
the atoms it owns, but there may be zero or more per atom, e.g. a list
the atoms it owns, and there may be zero or more per atom, e.g. a list
of bond distances.
A per-grid datum is one or more values per grid cell, for a grid which
overlays the simulation domain. The grid cells and the data they
store are distributed across processors; each processor owns the grid
cells whose center point falls within its subdomain.
overlays the simulation domain. Similar to atoms and per-atom data,
the grid cells and the data they store are distributed across
processors; each processor owns the grid cells whose center points
fall within its subdomain.
.. _scalar:
Scalar/vector/array data
------------------------
Global, per-atom, and local datums can come in three kinds: a single
scalar value, a vector of values, or a 2d array of values. The doc
page for a "compute" or "fix" or "variable" that generates data will
specify both the style and kind of data it produces, e.g. a per-atom
vector.
Global, per-atom, local, and per-grid datums can come in three
"kinds": a single scalar value, a vector of values, or a 2d array of
values. More specifically these are the valid kinds for each style:
When a quantity is accessed, as in many of the output commands
discussed below, it can be referenced via the following bracket
notation, where ID in this case is the ID of a compute. The leading
"c\_" would be replaced by "f\_" for a fix, or "v\_" for a variable:
* global scalar
* global vector
* global array
* per-atom vector
* per-atom array
* local vector
* local array
* per-grid vector
* per-grid array
A per-atom vector means a single value per atom; the "vector" is the
length of the number of atoms. A per-atom array means multiple values
per atom. Similarly a local vector or array means one or multiple
values per entity (e.g. per bond in the system). And a per-grid
vector or array means one or multiple values per grid cell.
The doc page for a compute or fix or variable that generates data will
specify both the styles and kinds of data it produces, e.g. a per-atom
vector. Note that a compute or fix may generate multiple styles and
kinds of output. However, for per-atom data only a vector or array is
output, never both. Likewise for per-local and per-grid data. An
example of a fix which generates multiple styles and kinds of data is
the :doc:`fix mdi/qm <fix_mdi_qm>` command. It outputs a global
scalar, global vector, and per-atom array for the quantum mechanical
energy and virial of the system and forces on each atom.
By contrast, different variable styles generate only a single kind of
data: a global scalar for an equal-style variable, global vector for a
vector-style variable, and a per-atom vector for an atom-style
variable.
When data is accessed by another command, as in many of the output
commands discussed below, it can be referenced via the following
bracket notation, where ID in this case is the ID of a compute. The
leading "c\_" would be replaced by "f\_" for a fix, or "v\_" for a
variable (and ID would be the name of the variable):
+-------------+--------------------------------------------+
| c_ID | entire scalar, vector, or array |
@ -85,40 +115,56 @@ notation, where ID in this case is the ID of a compute. The leading
| c_ID[I][J] | one element of array |
+-------------+--------------------------------------------+
In other words, using one bracket reduces the dimension of the data
once (vector -> scalar, array -> vector). Using two brackets reduces
the dimension twice (array -> scalar). Thus a command that uses
scalar values as input can typically also process elements of a vector
or array.
Note that using one bracket reduces the dimension of the data once
(vector -> scalar, array -> vector). Using two brackets reduces the
dimension twice (array -> scalar). Thus a command that uses scalar
values as input can also conceptually operate on an element of a
vector or array.
.. _grid:
Per-grid data
------------------------
Per-grid data can come in two kinds: a vector of values (one per grid
cekk), or a 2d array of values (multiple values per grid ckk). The
doc page for a "compute" or "fix" that generates data will specify
names for both the grid(s) and datum(s) it produces, e.g. per-grid
vectors or arrays, which can be referenced by other commands. See the
:doc:`Howto grid <Howto_grid>` doc page for more details.
Per-grid vectors or arrays are accessed similarly, except that the ID
for the compute or fix includes a grid name and a data name. This is
because a fix or compute can create multiple grids (of different
sizes) and multiple sets of data (for each grid). The fix or compute
defines names for each grid and for each data set, so that all of them
can be accessed by other commands. See the :doc:`Howto grid
<Howto_grid>` doc page for more details.
.. _disambiguation:
Disambiguation
--------------
Some computes and fixes produce data in multiple styles, e.g. a global
scalar and a per-atom vector. Usually the context in which the input
script references the data determines which style is meant. Example:
if a compute provides both a global scalar and a per-atom vector, the
former will be accessed by using ``c_ID`` in an equal-style variable,
while the latter will be accessed by using ``c_ID`` in an atom-style
variable. Note that atom-style variable formulas can also access
global scalars, but in this case it is not possible to do this
directly because of the ambiguity. Instead, an equal-style variable
can be defined which accesses the global scalar, and that variable can
be used in the atom-style variable formula in place of ``c_ID``.
When a compute or fix produces data in multiple styles, e.g. global
and per-atom, a reference to the data can sometimes be ambiguous.
Usually the context in which the input script references the data
determines which style is meant.
For example, if a compute outputs a global vector and a per-atom
array, an element of the global vector will be accessed by using
``c_ID[I]`` in :doc:`thermodynamic output <thermo_style>`, while a
column of the per-atom array will be accessed by using ``c_ID[I]`` in
a :doc:`dump custom <dump>` command.
However, if a :doc:`atom-style variable <variable>` references
``c_ID[I]``, then it could be intended to refer to a single element of
the global vector or a column of the per-atom array. The doc page for
any command that has a potential ambiguity (variables are the most
common) will explain how to resolve the ambiguity.
In this case, an atom-style variables references per-atom data if it
exists. If access to an element of a global vector is needed (as in
this example), an equal-style variable which references the value can
be defined and used in the atom-style variable formula instead.
Similarly, :doc:`thermodynamic output <thermo_style>` can only
reference global data from a compute or fix. But you can indirectly
access per-atom data as follows. The reference ``c_ID[245][2]`` for
the ID of a :doc:`compute displace/atom <compute_displace_atom>`
command, refers to the y-component of displacement for the atom with
ID 245. While you cannot use that reference directly in the
:doc:`thermo_style <thermo_style>` command, you can use it an
equal-style variable formula, and then reference the variable in
thermodynamic output.
.. _thermo:
@ -389,7 +435,7 @@ output and input data types must match, e.g. global/per-atom/local
data and scalar/vector/array data.
Also note that, as described above, when a command takes a scalar as
input, that could be an element of a vector or array. Likewise a
input, that could also be an element of a vector or array. Likewise a
vector input could be a column of an array.
+--------------------------------------------------------+----------------------------------------------+----------------------------------------------------+

2
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@ -133,7 +133,7 @@ to the location in the virtual environment with:
.. code-block:: bash
cmake . -DPYTHON_EXECUTABLE=$(which python)
cmake . -DPython_EXECUTABLE=$(which python)
# install LAMMPS package in virtualenv
(testing) make install-python

39
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@ -119,6 +119,45 @@ for example :doc:`dump yaml <dump>` or :doc:`fix ave/time <fix_ave_time>`
Depending on the kind of data being written, organization of the data
or the specific syntax used may change, but the principles are very
similar and all files should be readable with a suitable YAML parser.
A simple example for this is given below:
.. code-block:: python
import yaml
try:
from yaml import CSafeLoader as YamlLoader
except ImportError:
from yaml import SafeLoader as YamlLoader
timesteps = []
with open("dump.yaml", "r") as f:
data = yaml.load_all(f, Loader=YamlLoader)
for d in data:
print('Processing timestep %d' % d['timestep'])
timesteps.append(d)
print('Read %d timesteps from yaml dump' % len(timesteps))
print('Second timestep: ', timesteps[1]['timestep'])
print('Box info: x: ' , timesteps[1]['box'][0], ' y:', timesteps[1]['box'][1], ' z:',timesteps[1]['box'][2])
print('First 5 per-atom columns: ', timesteps[1]['keywords'][0:5])
print('Corresponding 10th atom data: ', timesteps[1]['data'][9][0:5])
The corresponding output for a YAML dump command added to the "melt" example is:
.. parsed-literal::
Processing timestep 0
Processing timestep 50
Processing timestep 100
Processing timestep 150
Processing timestep 200
Processing timestep 250
Read 6 timesteps from yaml dump
Second timestep: 50
Box info: x: [0, 16.795961913825074] y: [0, 16.795961913825074] z: [0, 16.795961913825074]
First 5 per-atom columns: ['id', 'type', 'x', 'y', 'z']
Corresponding 10th atom data: [10, 1, 4.43828, 0.968481, 0.108555]
Processing scalar data with Python
----------------------------------

3
doc/src/Howto_triclinic.rst
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@ -12,7 +12,8 @@ is created, e.g. by the :doc:`create_box <create_box>` or
:doc:`read_data <read_data>` or :doc:`read_restart <read_restart>`
commands. Additionally, LAMMPS defines box size parameters lx,ly,lz
where lx = xhi-xlo, and similarly in the y and z dimensions. The 6
parameters, as well as lx,ly,lz, can be output via the :doc:`thermo_style custom <thermo_style>` command.
parameters, as well as lx,ly,lz, can be output via the
:doc:`thermo_style custom <thermo_style>` command.
LAMMPS also allows simulations to be performed in triclinic
(non-orthogonal) simulation boxes shaped as a parallelepiped with

14
doc/src/Intro_nonfeatures.rst
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@ -5,7 +5,7 @@ LAMMPS is designed to be a fast, parallel engine for molecular
dynamics (MD) simulations. It provides only a modest amount of
functionality for setting up simulations and analyzing their output.
Specifically, LAMMPS was not conceived and designed for:
Originally, LAMMPS was not conceived and designed for:
* being run through a GUI
* building molecular systems, or building molecular topologies
@ -14,9 +14,10 @@ Specifically, LAMMPS was not conceived and designed for:
* visualize your MD simulation interactively
* plot your output data
Over the years some of these limitations have been reduced or
removed, through features added to LAMMPS or external tools
that either closely interface with LAMMPS or extend LAMMPS.
Over the years many of these limitations have been reduced or
removed. In part through features added to LAMMPS and in part
through external tools that either closely interface with LAMMPS
or extend LAMMPS.
Here are suggestions on how to perform these tasks:
@ -24,8 +25,9 @@ Here are suggestions on how to perform these tasks:
wraps the library interface is provided. Thus, GUI interfaces can be
written in Python or C/C++ that run LAMMPS and visualize or plot its
output. Examples of this are provided in the python directory and
described on the :doc:`Python <Python_head>` doc page. Also, there
are several external wrappers or GUI front ends.
described on the :doc:`Python <Python_head>` doc page. As of version
2 August 2023 :ref:`a GUI tool <lammps_gui>` is included in LAMMPS.
Also, there are several external wrappers or GUI front ends.
* **Builder:** Several pre-processing tools are packaged with LAMMPS.
Some of them convert input files in formats produced by other MD codes
such as CHARMM, AMBER, or Insight into LAMMPS input formats. Some of

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34
doc/src/Tools.rst
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@ -645,9 +645,14 @@ LAMMPS GUI
Overview
^^^^^^^^
LAMMPS GUI is a simple graphical text editor that is linked to the
:ref:`LAMMPS C-library interface <lammps_c_api>` and thus can run LAMMPS
directly using the contents of the editor's text buffer as input.
LAMMPS GUI is a graphical text editor customized for editing LAMMPS
input files that is linked to the :ref:`LAMMPS C-library <lammps_c_api>`
and thus can run LAMMPS directly using the contents of the editor's text
buffer as input. It can retrieve and display information from LAMMPS
while it is running, display visualizations created with the :doc:`dump
image command <dump_image>`, and is adapted specifically for editing
LAMMPS input files through text completion and reformatting, and linking
to the online LAMMPS documentation for known LAMMPS commands and styles.
This is similar to what people traditionally would do to run LAMMPS:
using a regular text editor to edit the input and run the necessary
@ -656,9 +661,9 @@ terminal window. This similarity is a design goal. While making it easy
for beginners to start with LAMMPS, it is also the intention to simplify
the transition to workflows like most experienced LAMMPS users do.
All features have been extensively exposed to hotkeys, so that there is
also appeal for experienced LAMMPS users, too, especially for
prototyping and testing simulations setups.
All features have been extensively exposed to keyboard shortcuts, so
that there is also appeal for experienced LAMMPS users for prototyping
and testing simulations setups.
Features
^^^^^^^^
@ -697,22 +702,26 @@ Prerequisites and portability
LAMMPS GUI is programmed in C++ based on the C++11 standard and using
the `Qt GUI framework <https://www.qt.io/product/framework>`_.
Currently, Qt version 5.12 or later is required; Qt 5.15LTS is
recommended; Qt 6.x not (yet) supported. Building LAMMPS with CMake is
required. The LAMMPS GUI has been successfully compiled and tested on:
recommended; support for Qt version 6.x is under active development and
thus far only tested with Qt 6.5LTS on Linux. Building LAMMPS with
CMake is required.
The LAMMPS GUI has been successfully compiled and tested on:
- Ubuntu Linux 20.04LTS x86_64 using GCC 9, Qt version 5.12
- Fedora Linux 38 x86\_64 using GCC 13 and Clang 16, Qt version 5.15LTS
- Fedora Linux 38 x86\_64 using GCC 13, Qt version 6.5LTS
- Apple macOS 12 (Monterey) and macOS 13 (Ventura) with Xcode on arm64 and x86\_64, Qt version 5.15LTS
- Windows 10 and 11 x86_64 with Visual Studio 2022 and Visual C++ 14.36, Qt version 5.15LTS
- Windows 10 and 11 x86_64 with MinGW / GCC 10.0 cross-compiler on Fedora 38, Qt version 5.15LTS
.. _lammps-gui-install:
.. _lammps_gui_install:
Pre-compiled executables
^^^^^^^^^^^^^^^^^^^^^^^^
Pre-compiled LAMMPS executables including the GUI are currently
Pre-compiled LAMMPS executable packages that include the GUI are currently
available from https://download.lammps.org/static or
https://github.com/lammps/lammps/releases. You can unpack the archives
(or mount the macOS disk image) and run the GUI directly in place. The
@ -737,7 +746,10 @@ stored in a location where CMake can find them without additional help.
Otherwise, the location of the Qt library installation must be indicated
by setting ``-D Qt5_DIR=/path/to/qt5/lib/cmake/Qt5``, which is a path to
a folder inside the Qt installation that contains the file
``Qt5Config.cmake``.
``Qt5Config.cmake``. Similarly, for Qt6 the location of the Qt library
installation can be indicated by setting ``-D Qt6_DIR=/path/to/qt6/lib/cmake/Qt6``,
if necessary. When both, Qt5 and Qt6 are available, Qt6 will be preferred
unless ``-D LAMMPS_GUI_USE_QT5=yes`` is set.
It should be possible to build the LAMMPS GUI as a standalone
compilation (e.g. when LAMMPS has been compiled with traditional make),

5
doc/src/atom_modify.rst
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@ -65,6 +65,11 @@ switch. This is described on the :doc:`Build_settings <Build_settings>`
doc page. If atom IDs are not used, they must be specified as 0 for
all atoms, e.g. in a data or restart file.
.. note::
If a :doc:`triclinic simulation box <Howto_triclinic>` is used,
atom IDs are required, due to how neighbor lists are built.
The *map* keyword determines how atoms with specific IDs are found
when required. An example are the bond (angle, etc) methods which
need to find the local index of an atom with a specific global ID

114
doc/src/compute.rst
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@ -27,58 +27,62 @@ Examples
Description
"""""""""""
Define a computation that will be performed on a group of atoms.
Quantities calculated by a compute are instantaneous values, meaning
they are calculated from information about atoms on the current
timestep or iteration, though a compute may internally store some
information about a previous state of the system. Defining a compute
does not perform a computation. Instead computes are invoked by other
LAMMPS commands as needed (e.g., to calculate a temperature needed for
a thermostat fix or to generate thermodynamic or dump file output).
See the :doc:`Howto output <Howto_output>` page for a summary of
various LAMMPS output options, many of which involve computes.
Define a diagnostic computation that will be performed on a group of
atoms. Quantities calculated by a compute are instantaneous values,
meaning they are calculated from information about atoms on the
current timestep or iteration, though internally a compute may store
some information about a previous state of the system. Defining a
compute does not perform the computation. Instead computes are
invoked by other LAMMPS commands as needed (e.g., to calculate a
temperature needed for a thermostat fix or to generate thermodynamic
or dump file output). See the :doc:`Howto output <Howto_output>` page
for a summary of various LAMMPS output options, many of which involve
computes.
The ID of a compute can only contain alphanumeric characters and
underscores.
----------
Computes calculate one or more of four styles of quantities: global,
per-atom, local, or per-atom. A global quantity is one or more
system-wide values, e.g. the temperature of the system. A per-atom
quantity is one or more values per atom, e.g. the kinetic energy of
each atom. Per-atom values are set to 0.0 for atoms not in the
specified compute group. Local quantities are calculated by each
processor based on the atoms it owns, but there may be zero or more
per atom, e.g. a list of bond distances. Per-grid quantities are
calculated on a regular 2d or 3d grid which overlays a 2d or 3d
simulation domain. The grid points and the data they store are
distributed across processors; each processor owns the grid points
which fall within its subdomain.
Computes calculate and store any of four *styles* of quantities:
global, per-atom, local, or per-grid.
Computes that produce per-atom quantities have the word "atom" at the
end of their style, e.g. *ke/atom*\ . Computes that produce local
quantities have the word "local" at the end of their style,
e.g. *bond/local*\ . Computes that produce per-grid quantities have
the word "grid" at the end of their style, e.g. *property/grid*\ .
Styles with neither "atom" or "local" or "grid" at the end of their
style name produce global quantities.
A global quantity is one or more system-wide values, e.g. the
temperature of the system. A per-atom quantity is one or more values
per atom, e.g. the kinetic energy of each atom. Per-atom values are
set to 0.0 for atoms not in the specified compute group. Local
quantities are calculated by each processor based on the atoms it
owns, but there may be zero or more per atom, e.g. a list of bond
distances. Per-grid quantities are calculated on a regular 2d or 3d
grid which overlays a 2d or 3d simulation domain. The grid points and
the data they store are distributed across processors; each processor
owns the grid points which fall within its subdomain.
Note that a single compute typically produces either global or
per-atom or local or per-grid values. It does not compute both global
and per-atom values. It can produce local values or per-grid values
in tandem with global or per-atom quantities. The compute doc page
will explain the details.
As a general rule of thumb, computes that produce per-atom quantities
have the word "atom" at the end of their style, e.g. *ke/atom*\ .
Computes that produce local quantities have the word "local" at the
end of their style, e.g. *bond/local*\ . Computes that produce
per-grid quantities have the word "grid" at the end of their style,
e.g. *property/grid*\ . And styles with neither "atom" or "local" or
"grid" at the end of their style name produce global quantities.
Global, per-atom, local, and per-grid quantities come in three kinds:
a single scalar value, a vector of values, or a 2d array of values.
The doc page for each compute describes the style and kind of values
it produces, e.g. a per-atom vector. Some computes produce more than
one kind of a single style, e.g. a global scalar and a global vector.
Global, per-atom, local, and per-grid quantities can also be of three
*kinds*: a single scalar value (global only), a vector of values, or a
2d array of values. For per-atom, local, and per-grid quantities, a
"vector" means a single value for each atom, each local entity
(e.g. bond), or grid cell. Likewise an "array", means multiple values
for each atom, each local entity, or each grid cell.
When a compute quantity is accessed, as in many of the output commands
discussed below, it can be referenced via the following bracket
notation, where ID is the ID of the compute:
Note that a single compute can produce any combination of global,
per-atom, local, or per-grid values. Likewise it can produce any
combination of scalar, vector, or array output for each style. The
exception is that for per-atom, local, and per-grid output, either a
vector or array can be produced, but not both. The doc page for each
compute explains the values it produces.
When a compute output is accessed by another input script command it
is referenced via the following bracket notation, where ID is the ID
of the compute:
+-------------+--------------------------------------------+
| c_ID | entire scalar, vector, or array |
@ -89,17 +93,23 @@ notation, where ID is the ID of the compute:
+-------------+--------------------------------------------+
In other words, using one bracket reduces the dimension of the
quantity once (vector :math:`\to` scalar, array :math:`\to` vector). Using two
brackets reduces the dimension twice (array :math:`\to` scalar). Thus a
command that uses scalar compute values as input can also process elements of a
vector or array.
quantity once (vector :math:`\to` scalar, array :math:`\to` vector).
Using two brackets reduces the dimension twice (array :math:`\to`
scalar). Thus, for example, a command that uses global scalar compute
values as input can also process elements of a vector or array.
Depending on the command, this can either be done directly using the
syntax in the table, or by first defining a :doc:`variable <variable>`
of the appropriate style to store the quantity, then using the
variable as an input to the command.
Note that commands and :doc:`variables <variable>` which use compute
quantities typically do not allow for all kinds (e.g., a command may
require a vector of values, not a scalar). This means there is no
ambiguity about referring to a compute quantity as c_ID even if it
produces, for example, both a scalar and vector. The doc pages for
various commands explain the details.
Note that commands and :doc:`variables <variable>` which take compute
outputs as input typically do not allow for all styles and kinds of
data (e.g., a command may require global but not per-atom values, or
it may require a vector of values, not a scalar). This means there is
typically no ambiguity about referring to a compute output as c_ID
even if it produces, for example, both a scalar and vector. The doc
pages for various commands explain the details, including how any
ambiguities are resolved.
----------

158
doc/src/compute_reduce.rst
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@ -37,13 +37,16 @@ Syntax
v_name = per-atom vector calculated by an atom-style variable with name
* zero or more keyword/args pairs may be appended
* keyword = *replace*
* keyword = *replace* or *inputs*
.. parsed-literal::
*replace* args = vec1 vec2
vec1 = reduced value from this input vector will be replaced
vec2 = replace it with vec1[N] where N is index of max/min value from vec2
*inputs* arg = peratom or local
peratom = all inputs are per-atom quantities (default)
local = all input are local quantities
Examples
""""""""
@ -60,38 +63,44 @@ Description
"""""""""""
Define a calculation that "reduces" one or more vector inputs into
scalar values, one per listed input. The inputs can be per-atom or
local quantities; they cannot be global quantities. Atom attributes
are per-atom quantities, :doc:`computes <compute>` and :doc:`fixes <fix>`
may generate any of the three kinds of quantities, and :doc:`atom-style variables <variable>` generate per-atom quantities. See the
:doc:`variable <variable>` command and its special functions which can
perform the same operations as the compute reduce command on global
vectors.
scalar values, one per listed input. For the compute reduce command,
the inputs can be either per-atom or local quantities and must all be
of the same kind (per-atom or local); see discussion of the optional
*inputs* keyword below. The compute reduce/region command can only be
used with per-atom inputs.
Atom attributes are per-atom quantities, :doc:`computes <compute>` and
:doc:`fixes <fix>` can generate either per-atom or local quantities,
and :doc:`atom-style variables <variable>` generate per-atom
quantities. See the :doc:`variable <variable>` command and its
special functions which can perform the same reduction operations as
the compute reduce command on global vectors.
The reduction operation is specified by the *mode* setting. The *sum*
option adds the values in the vector into a global total. The *min*
or *max* options find the minimum or maximum value across all vector
values. The *minabs* or *maxabs* options find the minimum or maximum
value across all absolute vector values. The *ave* setting adds the
vector values into a global total, then divides by the number of values
in the vector. The *sumsq* option sums the square of the values in the
vector into a global total. The *avesq* setting does the same as *sumsq*,
then divides the sum of squares by the number of values. The last two options
can be useful for calculating the variance of some quantity (e.g., variance =
sumsq :math:`-` ave\ :math:`^2`). The *sumabs* option sums the absolute
values in the vector into a global total. The *aveabs* setting does the same
as *sumabs*, then divides the sum of absolute values by the number of
vector values into a global total, then divides by the number of
values in the vector. The *sumsq* option sums the square of the
values in the vector into a global total. The *avesq* setting does
the same as *sumsq*, then divides the sum of squares by the number of
values. The last two options can be useful for calculating the
variance of some quantity (e.g., variance = sumsq :math:`-` ave\
:math:`^2`). The *sumabs* option sums the absolute values in the
vector into a global total. The *aveabs* setting does the same as
*sumabs*, then divides the sum of absolute values by the number of
values.
Each listed input is operated on independently. For per-atom inputs,
the group specified with this command means only atoms within the
group contribute to the result. For per-atom inputs, if the compute
reduce/region command is used, the atoms must also currently be within
the region. Note that an input that produces per-atom quantities may
define its own group which affects the quantities it returns. For
example, if a compute is used as an input which generates a per-atom
vector, it will generate values of 0.0 for atoms that are not in the
group specified for that compute.
group contribute to the result. Likewise for per-atom inputs, if the
compute reduce/region command is used, the atoms must also currently
be within the region. Note that an input that produces per-atom
quantities may define its own group which affects the quantities it
returns. For example, if a compute is used as an input which
generates a per-atom vector, it will generate values of 0.0 for atoms
that are not in the group specified for that compute.
Each listed input can be an atom attribute (position, velocity, force
component) or can be the result of a :doc:`compute <compute>` or
@ -123,52 +132,54 @@ array with six columns:
----------
The atom attribute values (*x*, *y*, *z*, *vx*, *vy*, *vz*, *fx*, *fy*, and
*fz*) are self-explanatory. Note that other atom attributes can be used as
inputs to this fix by using the
:doc:`compute property/atom <compute_property_atom>` command and then specifying
an input value from that compute.
The atom attribute values (*x*, *y*, *z*, *vx*, *vy*, *vz*, *fx*,
*fy*, and *fz*) are self-explanatory. Note that other atom attributes
can be used as inputs to this fix by using the :doc:`compute
property/atom <compute_property_atom>` command and then specifying an
input value from that compute.
If a value begins with "c\_", a compute ID must follow which has been
previously defined in the input script. Computes can generate
per-atom or local quantities. See the individual
:doc:`compute <compute>` page for details. If no bracketed integer
is appended, the vector calculated by the compute is used. If a
bracketed integer is appended, the Ith column of the array calculated
by the compute is used. Users can also write code for their own
compute styles and :doc:`add them to LAMMPS <Modify>`. See the
discussion above for how :math:`I` can be specified with a wildcard asterisk
to effectively specify multiple values.
previously defined in the input script. Valid computes can generate
per-atom or local quantities. See the individual :doc:`compute
<compute>` page for details. If no bracketed integer is appended, the
vector calculated by the compute is used. If a bracketed integer is
appended, the Ith column of the array calculated by the compute is
used. Users can also write code for their own compute styles and
:doc:`add them to LAMMPS <Modify>`. See the discussion above for how
:math:`I` can be specified with a wildcard asterisk to effectively
specify multiple values.
If a value begins with "f\_", a fix ID must follow which has been
previously defined in the input script. Fixes can generate per-atom
or local quantities. See the individual :doc:`fix <fix>` page for
details. Note that some fixes only produce their values on certain
timesteps, which must be compatible with when compute reduce
previously defined in the input script. Valid fixes can generate
per-atom or local quantities. See the individual :doc:`fix <fix>`
page for details. Note that some fixes only produce their values on
certain timesteps, which must be compatible with when compute reduce
references the values, else an error results. If no bracketed integer
is appended, the vector calculated by the fix is used. If a bracketed
integer is appended, the Ith column of the array calculated by the fix
is used. Users can also write code for their own fix style and
:doc:`add them to LAMMPS <Modify>`. See the discussion above for how
:math:`I` can be specified with a wildcard asterisk to effectively specify
multiple values.
:math:`I` can be specified with a wildcard asterisk to effectively
specify multiple values.
If a value begins with "v\_", a variable name must follow which has
been previously defined in the input script. It must be an
:doc:`atom-style variable <variable>`. Atom-style variables can
reference thermodynamic keywords and various per-atom attributes, or
invoke other computes, fixes, or variables when they are evaluated, so
this is a very general means of generating per-atom quantities to reduce.
this is a very general means of generating per-atom quantities to
reduce.
----------
If the *replace* keyword is used, two indices *vec1* and *vec2* are
specified, where each index ranges from 1 to the number of input values.
The replace keyword can only be used if the *mode* is *min* or *max*\ .
It works as follows. A min/max is computed as usual on the *vec2*
input vector. The index :math:`N` of that value within *vec2* is also stored.
Then, instead of performing a min/max on the *vec1* input vector, the
stored index is used to select the :math:`N`\ th element of the *vec1* vector.
specified, where each index ranges from 1 to the number of input
values. The replace keyword can only be used if the *mode* is *min*
or *max*\ . It works as follows. A min/max is computed as usual on
the *vec2* input vector. The index :math:`N` of that value within
*vec2* is also stored. Then, instead of performing a min/max on the
*vec1* input vector, the stored index is used to select the :math:`N`\
th element of the *vec1* vector.
Thus, for example, if you wish to use this compute to find the bond
with maximum stretch, you can do it as follows:
@ -190,6 +201,16 @@ information in this context, the *replace* keywords will extract the
atom IDs for the two atoms in the bond of maximum stretch. These atom
IDs and the bond stretch will be printed with thermodynamic output.
.. versionadded:: TBD
The *inputs* keyword allows selection of whether all the inputs are
per-atom or local quantities. As noted above, all the inputs must be
the same kind (per-atom or local). Per-atom is the default setting.
If a compute or fix is specified as an input, it must produce per-atom
or local data to match this setting. If it produces both, e.g. for
the :doc:`compute voronoi/atom <compute_voronoi_atom>` command, then
this keyword selects between them.
----------
If a single input is specified this compute produces a global scalar
@ -197,38 +218,41 @@ value. If multiple inputs are specified, this compute produces a
global vector of values, the length of which is equal to the number of
inputs specified.
As discussed below, for the *sum*, *sumabs*, and *sumsq* modes, the value(s)
produced by this compute are all "extensive", meaning their value
scales linearly with the number of atoms involved. If normalized
values are desired, this compute can be accessed by the
As discussed below, for the *sum*, *sumabs*, and *sumsq* modes, the
value(s) produced by this compute are all "extensive", meaning their
value scales linearly with the number of atoms involved. If
normalized values are desired, this compute can be accessed by the
:doc:`thermo_style custom <thermo_style>` command with
:doc:`thermo_modify norm yes <thermo_modify>` set as an option.
Or it can be accessed by a
:doc:`variable <variable>` that divides by the appropriate atom count.
:doc:`thermo_modify norm yes <thermo_modify>` set as an option. Or it
can be accessed by a :doc:`variable <variable>` that divides by the
appropriate atom count.
----------
Output info
"""""""""""
This compute calculates a global scalar if a single input value is specified
or a global vector of length :math:`N`, where :math:`N` is the number of
inputs, and which can be accessed by indices 1 to :math:`N`. These values can
be used by any command that uses global scalar or vector values from a
compute as input. See the :doc:`Howto output <Howto_output>` doc page
for an overview of LAMMPS output options.
This compute calculates a global scalar if a single input value is
specified or a global vector of length :math:`N`, where :math:`N` is
the number of inputs, and which can be accessed by indices 1 to
:math:`N`. These values can be used by any command that uses global
scalar or vector values from a compute as input. See the :doc:`Howto
output <Howto_output>` doc page for an overview of LAMMPS output
options.
All the scalar or vector values calculated by this compute are
"intensive", except when the *sum*, *sumabs*, or *sumsq* modes are used on
per-atom or local vectors, in which case the calculated values are
"extensive".
The scalar or vector values will be in whatever :doc:`units <units>` the
quantities being reduced are in.
The scalar or vector values will be in whatever :doc:`units <units>`
the quantities being reduced are in.
Restrictions
""""""""""""
none
As noted above, the compute reduce/region command can only be used
with per-atom inputs.
Related commands
""""""""""""""""
@ -238,4 +262,4 @@ Related commands
Default
"""""""
none
The default value for the *inputs* keyword is peratom.

130
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@ -13,7 +13,7 @@ Syntax
* ID, group-ID are documented in :doc:`compute <compute>` command
* voronoi/atom = style name of this compute command
* zero or more keyword/value pairs may be appended
* keyword = *only_group* or *occupation* or *surface* or *radius* or *edge_histo* or *edge_threshold* or *face_threshold* or *neighbors* or *peratom*
* keyword = *only_group* or *occupation* or *surface* or *radius* or *edge_histo* or *edge_threshold* or *face_threshold* or *neighbors*
.. parsed-literal::
@ -31,7 +31,6 @@ Syntax
*face_threshold* arg = minarea
minarea = minimum area for a face to be counted
*neighbors* value = *yes* or *no* = store list of all neighbors or no
*peratom* value = *yes* or *no* = per-atom quantities accessible or no
Examples
""""""""
@ -53,14 +52,12 @@ atoms in the simulation box. The tessellation is calculated using all
atoms in the simulation, but non-zero values are only stored for atoms
in the group.
By default two per-atom quantities are calculated by this compute.
The first is the volume of the Voronoi cell around each atom. Any
point in an atom's Voronoi cell is closer to that atom than any other.
The second is the number of faces of the Voronoi cell. This is
equal to the number of nearest neighbors of the central atom,
plus any exterior faces (see note below). If the *peratom* keyword
is set to "no", the per-atom quantities are still calculated,
but they are not accessible.
Two per-atom quantities are calculated by this compute. The first is
the volume of the Voronoi cell around each atom. Any point in an
atom's Voronoi cell is closer to that atom than any other. The second
is the number of faces of the Voronoi cell. This is equal to the
number of nearest neighbors of the central atom, plus any exterior
faces (see note below).
----------
@ -97,13 +94,13 @@ present in atom_style sphere for granular models.
The *edge_histo* keyword activates the compilation of a histogram of
number of edges on the faces of the Voronoi cells in the compute
group. The argument *maxedge* of the this keyword is the largest number
of edges on a single Voronoi cell face expected to occur in the
sample. This keyword adds the generation of a global vector with
*maxedge*\ +1 entries. The last entry in the vector contains the number of
faces with more than *maxedge* edges. Since the polygon with the
smallest amount of edges is a triangle, entries 1 and 2 of the vector
will always be zero.
group. The argument *maxedge* of the this keyword is the largest
number of edges on a single Voronoi cell face expected to occur in the
sample. This keyword generates output of a global vector by this
compute with *maxedge*\ +1 entries. The last entry in the vector
contains the number of faces with more than *maxedge* edges. Since the
polygon with the smallest amount of edges is a triangle, entries 1 and
2 of the vector will always be zero.
The *edge_threshold* and *face_threshold* keywords allow the
suppression of edges below a given minimum length and faces below a
@ -127,8 +124,8 @@ to locate vacancies (the coordinates are given by the atom coordinates
at the time step when the compute was first invoked), while column two
data can be used to identify interstitial atoms.
If the *neighbors* value is set to yes, then this compute creates a
local array with 3 columns. There is one row for each face of each
If the *neighbors* value is set to yes, then this compute also creates
a local array with 3 columns. There is one row for each face of each
Voronoi cell. The 3 columns are the atom ID of the atom that owns the
cell, the atom ID of the atom in the neighboring cell (or zero if the
face is external), and the area of the face. The array can be
@ -143,8 +140,8 @@ containing all the Voronoi neighbors in a system:
compute 6 all voronoi/atom neighbors yes
dump d2 all local 1 dump.neighbors index c_6[1] c_6[2] c_6[3]
If the *face_threshold* keyword is used, then only faces
with areas greater than the threshold are stored.
If the *face_threshold* keyword is used, then only faces with areas
greater than the threshold are stored.
----------
@ -158,48 +155,52 @@ Voro++ software in the src/VORONOI/README file.
.. note::
The calculation of Voronoi volumes is performed by each processor for
the atoms it owns, and includes the effect of ghost atoms stored by
the processor. This assumes that the Voronoi cells of owned atoms
are not affected by atoms beyond the ghost atom cut-off distance.
This is usually a good assumption for liquid and solid systems, but
may lead to underestimation of Voronoi volumes in low density
systems. By default, the set of ghost atoms stored by each processor
is determined by the cutoff used for :doc:`pair_style <pair_style>`
interactions. The cutoff can be set explicitly via the
:doc:`comm_modify cutoff <comm_modify>` command. The Voronoi cells
for atoms adjacent to empty regions will extend into those regions up
to the communication cutoff in :math:`x`, :math:`y`, or :math:`z`.
In that situation, an exterior face is created at the cutoff distance
normal to the :math:`x`, :math:`y`, or :math:`z` direction. For
triclinic systems, the exterior face is parallel to the corresponding
reciprocal lattice vector.
The calculation of Voronoi volumes is performed by each processor
for the atoms it owns, and includes the effect of ghost atoms
stored by the processor. This assumes that the Voronoi cells of
owned atoms are not affected by atoms beyond the ghost atom cut-off
distance. This is usually a good assumption for liquid and solid
systems, but may lead to underestimation of Voronoi volumes in low
density systems. By default, the set of ghost atoms stored by each
processor is determined by the cutoff used for :doc:`pair_style
<pair_style>` interactions. The cutoff can be set explicitly via
the :doc:`comm_modify cutoff <comm_modify>` command. The Voronoi
cells for atoms adjacent to empty regions will extend into those
regions up to the communication cutoff in :math:`x`, :math:`y`, or
:math:`z`. In that situation, an exterior face is created at the
cutoff distance normal to the :math:`x`, :math:`y`, or :math:`z`
direction. For triclinic systems, the exterior face is parallel to
the corresponding reciprocal lattice vector.
.. note::
The Voro++ package performs its calculation in 3d. This will
still work for a 2d LAMMPS simulation, provided all the atoms have the
same :math:`z`-coordinate. The Voronoi cell of each atom will be a columnar
polyhedron with constant cross-sectional area along the :math:`z`-direction
and two exterior faces at the top and bottom of the simulation box. If
the atoms do not all have the same :math:`z`-coordinate, then the columnar
cells will be accordingly distorted. The cross-sectional area of each
Voronoi cell can be obtained by dividing its volume by the :math:`z` extent
of the simulation box. Note that you define the :math:`z` extent of the
simulation box for 2d simulations when using the
:doc:`create_box <create_box>` or :doc:`read_data <read_data>` commands.
The Voro++ package performs its calculation in 3d. This will still
work for a 2d LAMMPS simulation, provided all the atoms have the
same :math:`z`-coordinate. The Voronoi cell of each atom will be a
columnar polyhedron with constant cross-sectional area along the
:math:`z`-direction and two exterior faces at the top and bottom of
the simulation box. If the atoms do not all have the same
:math:`z`-coordinate, then the columnar cells will be accordingly
distorted. The cross-sectional area of each Voronoi cell can be
obtained by dividing its volume by the :math:`z` extent of the
simulation box. Note that you define the :math:`z` extent of the
simulation box for 2d simulations when using the :doc:`create_box
<create_box>` or :doc:`read_data <read_data>` commands.
Output info
"""""""""""
By default, this compute calculates a per-atom array with two
columns. In regular dynamic tessellation mode the first column is the
Voronoi volume, the second is the neighbor count, as described above
(read above for the output data in case the *occupation* keyword is
specified). These values can be accessed by any command that uses
per-atom values from a compute as input. See the :doc:`Howto output <Howto_output>` page for an overview of LAMMPS output
options. If the *peratom* keyword is set to "no", the per-atom array
is still created, but it is not accessible.
.. deprecated:: TBD
The *peratom* keyword was removed as it is no longer required.
This compute calculates a per-atom array with two columns. In regular
dynamic tessellation mode the first column is the Voronoi volume, the
second is the neighbor count, as described above (read above for the
output data in case the *occupation* keyword is specified). These
values can be accessed by any command that uses per-atom values from a
compute as input. See the :doc:`Howto output <Howto_output>` page for
an overview of LAMMPS output options.
If the *edge_histo* keyword is used, then this compute generates a
global vector of length *maxedge*\ +1, containing a histogram of the
@ -209,17 +210,6 @@ If the *neighbors* value is set to *yes*, then this compute calculates a
local array with three columns. There is one row for each face of each
Voronoi cell.
.. note::
Some LAMMPS commands such as the :doc:`compute reduce <compute_reduce>`
command can accept either a per-atom or local quantity. If this compute
produces both quantities, the command
may access the per-atom quantity, even if you want to access the local
quantity. This effect can be eliminated by using the *peratom*
keyword to turn off the production of the per-atom quantities. For
the default value *yes* both quantities are produced. For the value
*no*, only the local array is produced.
The Voronoi cell volume will be in distance :doc:`units <units>` cubed.
The Voronoi face area will be in distance :doc:`units <units>` squared.
@ -227,7 +217,8 @@ Restrictions
""""""""""""
This compute is part of the VORONOI package. It is only enabled if
LAMMPS was built with that package. See the :doc:`Build package <Build_package>` page for more info.
LAMMPS was built with that package. See the :doc:`Build package
<Build_package>` page for more info.
It also requires you have a copy of the Voro++ library built and
installed on your system. See instructions on obtaining and
@ -241,5 +232,4 @@ Related commands
Default
"""""""
*neighbors* no, *peratom* yes
The default for the neighbors keyword is no.

90
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@ -77,35 +77,44 @@ for individual fixes for info on which ones can be restarted.
----------
Some fixes calculate one or more of four styles of quantities: global,
per-atom, local, or per-grid, which can be used by other commands or
output as described below. A global quantity is one or more
system-wide values, e.g. the energy of a wall interacting with
particles. A per-atom quantity is one or more values per atom,
e.g. the displacement vector for each atom since time 0. Per-atom
values are set to 0.0 for atoms not in the specified fix group. Local
quantities are calculated by each processor based on the atoms it
owns, but there may be zero or more per atoms. Per-grid quantities
are calculated on a regular 2d or 3d grid which overlays a 2d or 3d
simulation domain. The grid points and the data they store are
distributed across processors; each processor owns the grid points
which fall within its subdomain.
Some fixes calculate and store any of four *styles* of quantities:
global, per-atom, local, or per-grid.
Note that a single fix typically produces either global or per-atom or
local or per-grid values (or none at all). It does not produce both
global and per-atom. It can produce local or per-grid values in
tandem with global or per-atom values. The fix doc page will explain
the details.
A global quantity is one or more system-wide values, e.g. the energy
of a wall interacting with particles. A per-atom quantity is one or
more values per atom, e.g. the original coordinates of each atom at
time 0. Per-atom values are set to 0.0 for atoms not in the specified
fix group. Local quantities are calculated by each processor based on
the atoms it owns, but there may be zero or more per atom, e.g. values
for each bond. Per-grid quantities are calculated on a regular 2d or
3d grid which overlays a 2d or 3d simulation domain. The grid points
and the data they store are distributed across processors; each
processor owns the grid points which fall within its subdomain.
Global, per-atom, local, and per-grid quantities come in three kinds:
a single scalar value, a vector of values, or a 2d array of values.
The doc page for each fix describes the style and kind of values it
produces, e.g. a per-atom vector. Some fixes produce more than one
kind of a single style, e.g. a global scalar and a global vector.
As a general rule of thumb, fixes that produce per-atom quantities
have the word "atom" at the end of their style, e.g. *ave/atom*\ .
Fixes that produce local quantities have the word "local" at the end
of their style, e.g. *store/local*\ . Fixes that produce per-grid
quantities have the word "grid" at the end of their style,
e.g. *ave/grid*\ .
When a fix quantity is accessed, as in many of the output commands
discussed below, it can be referenced via the following bracket
notation, where ID is the ID of the fix:
Global, per-atom, local, and per-grid quantities can also be of three
*kinds*: a single scalar value (global only), a vector of values, or a
2d array of values. For per-atom, local, and per-grid quantities, a
"vector" means a single value for each atom, each local entity
(e.g. bond), or grid cell. Likewise an "array", means multiple values
for each atom, each local entity, or each grid cell.
Note that a single fix can produce any combination of global,
per-atom, local, or per-grid values. Likewise it can produce any
combination of scalar, vector, or array output for each style. The
exception is that for per-atom, local, and per-grid output, either a
vector or array can be produced, but not both. The doc page for each
fix explains the values it produces, if any.
When a fix output is accessed by another input script command it is
referenced via the following bracket notation, where ID is the ID of
the fix:
+-------------+--------------------------------------------+
| f_ID | entire scalar, vector, or array |
@ -116,19 +125,23 @@ notation, where ID is the ID of the fix:
+-------------+--------------------------------------------+
In other words, using one bracket reduces the dimension of the
quantity once (vector :math:`\to` scalar, array :math:`\to` vector). Using two
brackets reduces the dimension twice (array :math:`\to` scalar). Thus, a
command that uses scalar fix values as input can also process elements of a
vector or array.
quantity once (vector :math:`\to` scalar, array :math:`\to` vector).
Using two brackets reduces the dimension twice (array :math:`\to`
scalar). Thus, for example, a command that uses global scalar fix
values as input can also process elements of a vector or array.
Depending on the command, this can either be done directly using the
syntax in the table, or by first defining a :doc:`variable <variable>`
of the appropriate style to store the quantity, then using the
variable as an input to the command.
Note that commands and :doc:`variables <variable>` that use fix
quantities typically do not allow for all kinds (e.g., a command may
require a vector of values, not a scalar), and even if they do, the context
in which they are called can be used to resolve which output is being
requested. This means there is no
ambiguity about referring to a fix quantity as f_ID even if it
produces, for example, both a scalar and vector. The doc pages for
various commands explain the details.
Note that commands and :doc:`variables <variable>` which take fix
outputs as input typically do not allow for all styles and kinds of
data (e.g., a command may require global but not per-atom values, or
it may require a vector of values, not a scalar). This means there is
typically no ambiguity about referring to a fix output as c_ID even if
it produces, for example, both a scalar and vector. The doc pages for
various commands explain the details, including how any ambiguities
are resolved.
----------
@ -333,6 +346,7 @@ accelerated styles exist.
* :doc:`pour <fix_pour>` - pour new atoms/molecules into a granular simulation domain
* :doc:`precession/spin <fix_precession_spin>` - apply a precession torque to each magnetic spin
* :doc:`press/berendsen <fix_press_berendsen>` - pressure control by Berendsen barostat
* :doc:`press/langevin <fix_press_langevin>` - pressure control by Langevin barostat
* :doc:`print <fix_print>` - print text and variables during a simulation
* :doc:`propel/self <fix_propel_self>` - model self-propelled particles
* :doc:`property/atom <fix_property_atom>` - add customized per-atom values

8
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@ -541,10 +541,10 @@ Restrictions
Related commands
""""""""""""""""
:doc:`compute <compute>`, :doc:`fix ave/atom <fix_ave_atom>`, `fix
:doc:ave/histo <fix_ave_histo>`, :doc:`fix ave/time <fix_ave_time>`,
:doc:`variable <variable>`, :doc:`fix ave/correlate
:doc:<fix_ave_correlate>`, `fix ave/atogrid <fix_ave_grid>`
:doc:`compute <compute>`, :doc:`fix ave/atom <fix_ave_atom>`,
:doc:`fix ave/histo <fix_ave_histo>`, :doc:`fix ave/time <fix_ave_time>`,
:doc:`variable <variable>`, :doc:`fix ave/correlate <fix_ave_correlate>`,
:doc:`fix ave/grid <fix_ave_grid>`
Default

42
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@ -79,9 +79,10 @@ Description
Use one or more values as inputs every few timesteps to create a
single histogram. The histogram can then be averaged over longer
timescales. The resulting histogram can be used by other :doc:`output commands <Howto_output>`, and can also be written to a file. The
fix ave/histo/weight command has identical syntax to fix ave/histo,
except that exactly two values must be specified. See details below.
timescales. The resulting histogram can be used by other :doc:`output
commands <Howto_output>`, and can also be written to a file. The fix
ave/histo/weight command has identical syntax to fix ave/histo, except
that exactly two values must be specified. See details below.
The group specified with this command is ignored for global and local
input values. For per-atom input values, only atoms in the group
@ -96,14 +97,18 @@ different ways; see the discussion of the *beyond* keyword below.
Each input value can be an atom attribute (position, velocity, force
component) or can be the result of a :doc:`compute <compute>` or
:doc:`fix <fix>` or the evaluation of an equal-style or vector-style or
atom-style :doc:`variable <variable>`. The set of input values can be
either all global, all per-atom, or all local quantities. Inputs of
different kinds (e.g. global and per-atom) cannot be mixed. Atom
attributes are per-atom vector values. See the page for
individual "compute" and "fix" commands to see what kinds of
quantities they generate. See the optional *kind* keyword below for
how to force the fix ave/histo command to disambiguate if necessary.
:doc:`fix <fix>` or the evaluation of an equal-style or vector-style
or atom-style :doc:`variable <variable>`. The set of input values can
be either all global, all per-atom, or all local quantities. Inputs
of different kinds (e.g. global and per-atom) cannot be mixed. Atom
attributes are per-atom vector values. See the page for individual
"compute" and "fix" commands to see what kinds of quantities they
generate.
Note that a compute or fix can produce multiple kinds of data (global,
per-atom, local). If LAMMPS cannot unambiguously determine which kind
of data to use, the optional *kind* keyword discussed below can force
the desired disambiguation.
Note that the output of this command is a single histogram for all
input values combined together, not one histogram per input value.
@ -258,13 +263,14 @@ keyword is set to *vector*, then all input values must be global or
per-atom or local vectors, or columns of global or per-atom or local
arrays.
The *kind* keyword only needs to be set if a compute or fix produces
more than one kind of output (global, per-atom, local). If this is
not the case, then LAMMPS will determine what kind of input is
provided and whether all the input arguments are consistent. If a
compute or fix produces more than one kind of output, the *kind*
keyword should be used to specify which output will be used. The
remaining input arguments must still be consistent.
The *kind* keyword only needs to be used if any of the specified input
computes or fixes produce more than one kind of output (global,
per-atom, local). If not, LAMMPS will determine the kind of data all
the inputs produce and verify it is all the same kind. If not, an
error will be triggered. If a compute or fix produces more than one
kind of output, the *kind* keyword should be used to specify which
output will be used. The other input arguments must still be
consistent.
The *beyond* keyword determines how input values that fall outside the
*lo* to *hi* bounds are treated. Values such that *lo* :math:`\le` value

57
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@ -17,12 +17,16 @@ Syntax
* M = insert a single atom or molecule every M steps
* seed = random # seed (positive integer)
* one or more keyword/value pairs may be appended to args
* keyword = *region* or *id* or *global* or *local* or *near* or *gaussian* or *attempt* or *rate* or *vx* or *vy* or *vz* or *target* or *mol* or *molfrac* or *rigid* or *shake* or *orient* or *units*
* keyword = *region* or *var* or *set* or *id* or *global* or *local* or *near* or *gaussian* or *attempt* or *rate* or *vx* or *vy* or *vz* or *target* or *mol* or *molfrac* or *rigid* or *shake* or *orient* or *units*
.. parsed-literal::
*region* value = region-ID
region-ID = ID of region to use as insertion volume
*var* value = name = variable name to evaluate for test of atom creation
*set* values = dim name
dim = *x* or *y* or *z*
name = name of variable to set with x, y, or z atom position
*id* value = *max* or *next*
max = atom ID for new atom(s) is max ID of all current atoms plus one
next = atom ID for new atom(s) increments by one for every deposition
@ -193,17 +197,19 @@ simulation that is "nearby" the chosen x,y position. In this context,
particles is less than the *delta* setting.
Once a trial x,y,z position has been selected, the insertion is only
performed if no current atom in the simulation is within a distance R
of any atom in the new particle, including the effect of periodic
boundary conditions if applicable. R is defined by the *near*
keyword. Note that the default value for R is 0.0, which will allow
atoms to strongly overlap if you are inserting where other atoms are
present. This distance test is performed independently for each atom
in an inserted molecule, based on the randomly rotated configuration
of the molecule. If this test fails, a new random position within the
insertion volume is chosen and another trial is made. Up to Q
attempts are made. If the particle is not successfully inserted,
LAMMPS prints a warning message.
performed if both the *near* and *var* keywords are satisfied (see below).
If either the *near* or the *var* keyword is not satisfied, a new random
position within the insertion volume is chosen and another trial is made.
Up to Q attempts are made. If one or more particle insertions are not
successful, LAMMPS prints a warning message.
The *near* keyword ensures that no current atom in the simulation is within
a distance R of any atom in the new particle, including the effect of
periodic boundary conditions if applicable. Note that the default value
for R is 0.0, which will allow atoms to strongly overlap if you are
inserting where other atoms are present. This distance test is performed
independently for each atom in an inserted molecule, based on the randomly
rotated configuration of the molecule.
.. note::
@ -214,6 +220,24 @@ LAMMPS prints a warning message.
existing particle. LAMMPS will issue a warning if R is smaller than
this value, based on the radii of existing and inserted particles.
The *var* and *set* keywords can be used together to provide a criterion
for accepting or rejecting the addition of an individual atom, based on its
coordinates. The *name* specified for the *var* keyword is the name of an
:doc:`equal-style variable <variable>` that should evaluate to a zero or
non-zero value based on one or two or three variables that will store the
*x*, *y*, or *z* coordinates of an atom (one variable per coordinate). If
used, these other variables must be :doc:`internal-style variables
<variable>` defined in the input script; their initial numeric value can be
anything. They must be internal-style variables, because this command
resets their values directly. The *set* keyword is used to identify the
names of these other variables, one variable for the *x*-coordinate of a
created atom, one for *y*, and one for *z*. When an atom is created, its
:math:`(x,y,z)` coordinates become the values for any *set* variable that
is defined. The *var* variable is then evaluated. If the returned value
is 0.0, the atom is not created. If it is non-zero, the atom is created.
For an example of how to use these keywords, see the
:doc:`create_atoms <create_atoms>`command.
The *rate* option moves the insertion volume in the z direction (3d)
or y direction (2d). This enables particles to be inserted from a
successively higher height over time. Note that this parameter is
@ -289,10 +313,11 @@ operation of the fix continues in an uninterrupted fashion.
The fix will try to detect it and stop with an error.
None of the :doc:`fix_modify <fix_modify>` options are relevant to this
fix. No global or per-atom quantities are stored by this fix for
access by various :doc:`output commands <Howto_output>`. No parameter
of this fix can be used with the *start/stop* keywords of the
:doc:`run <run>` command. This fix is not invoked during :doc:`energy minimization <minimize>`.
fix. This fix computes a global scalar, which can be accessed by various
output commands. The scalar is the cumulative number of insertions. The
scalar value calculated by this fix is "intensive". No parameter of this
fix can be used with the *start/stop* keywords of the :doc:`run <run>`
command. This fix is not invoked during :doc:`energy minimization <minimize>`.
Restrictions
""""""""""""

7
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@ -1,4 +1,5 @@
.. index:: fix efield
.. index:: fix efield/kk
.. index:: fix efield/tip4p
fix efield command
@ -210,6 +211,12 @@ the iteration count during the minimization.
system (the quantity being minimized), you MUST enable the
:doc:`fix_modify <fix_modify>` *energy* option for this fix.
----------
.. include:: accel_styles.rst
----------
Restrictions
""""""""""""

5
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@ -245,8 +245,9 @@ produce the same behavior if you adjust the fix pour parameters
appropriately.
None of the :doc:`fix_modify <fix_modify>` options are relevant to this
fix. No global or per-atom quantities are stored by this fix for
access by various :doc:`output commands <Howto_output>`. No parameter
fix. This fix computes a global scalar, which can be accessed by various
output commands. The scalar is the cumulative number of insertions. The
scalar value calculated by this fix is "intensive". No parameter
of this fix can be used with the *start/stop* keywords of the
:doc:`run <run>` command. This fix is not invoked during :doc:`energy minimization <minimize>`.

301
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@ -0,0 +1,301 @@
.. index:: fix press/langevin
fix press/langevin command
===========================
Syntax
""""""
.. parsed-literal::
fix ID group-ID press/langevin keyword value ...
* ID, group-ID are documented in :doc:`fix <fix>` command
* press/langevin = style name of this fix command
.. parsed-literal::
one or more keyword value pairs may be appended
keyword = *iso* or *aniso* or *tri* or *x* or *y* or *z* or *xy* or *xz* or *yz* or *couple* or *dilate* or *modulus* or *temp* or *flip*
*iso* or *aniso* or *tri* values = Pstart Pstop Pdamp
Pstart,Pstop = scalar external pressure at start/end of run (pressure units)
Pdamp = pressure damping parameter (time units)
*x* or *y* or *z* or *xy* or *xz* or *yz* values = Pstart Pstop Pdamp
Pstart,Pstop = external stress tensor component at start/end of run (pressure units)
Pdamp = pressure damping parameter
*flip* value = *yes* or *no* = allow or disallow box flips when it becomes highly skewed
*couple* = *none* or *xyz* or *xy* or *yz* or *xz*
*friction* value = Friction coefficient for the barostat (time units)
*temp* values = Tstart, Tstop, seed
Tstart, Tstop = target temperature used for the barostat at start/end of run
seed = seed of the random number generator
*dilate* value = *all* or *partial*
Examples
""""""""
.. code-block:: LAMMPS
fix 1 all press/langevin iso 0.0 0.0 1000.0 temp 300 300 487374
fix 2 all press/langevin aniso 0.0 0.0 1000.0 temp 100 300 238 dilate partial
Description
"""""""""""
Adjust the pressure of the system by using a Langevin stochastic barostat
:ref:`(Gronbech) <Gronbech>`, which rescales the system volume and
(optionally) the atoms coordinates within the simulation box every
timestep.
The Langevin barostat couple each direction *L* with a pseudo-particle that obeys
the Langevin equation such as:
.. math::
f_P = & \frac{N k_B T_{target}}{V} + \frac{1}{V d}\sum_{i=1}^{N} \vec r_i \cdot \vec f_i - P_{target} \\
Q\ddot{L} + \alpha{}\dot{L} = & f_P + \beta(t)\\
L^{n+1} = & L^{n} + bdt\dot{L}^{n} \frac{bdt^{2}}{2Q} \\
\dot{L}^{n+1} = & \alpha\dot{L}^{n} + \frac{dt}{2Q}\left(a f^{n}_{P} + f^{n+1}_{P}\right) + \frac{b}{Q}\beta^{n+1} \\
a = & \frac{1-\frac{\alpha{}dt}{2Q}}{1+\frac{\alpha{}dt}{2Q}} \\
b = & \frac{1}{1+\frac{\alpha{}dt}{2Q}} \\
\left< \beta(t)\beta(t') \right> = & 2\alpha k_B Tdt
Where :math:`dt` is the timestep :math:`\dot{L}` and :math:`\ddot{L}` the first
and second derivatives of the coupled direction with regard to time,
:math:`\alpha` is a friction coefficient, :math:`\beta` is a random gaussian
variable and :math:`Q` the effective mass of the coupled pseudoparticle. The
two first terms on the right-hand side of the first equation are the virial
expression of the canonical pressure. It is to be noted that the temperature
used to compute the pressure is not based on the atom velocities but rather on
the canonical
target temperature directly. This temperature is specified using the *temp*
keyword parameter and should be close to the expected target temperature of the
system.
Regardless of what atoms are in the fix group, a global pressure is
computed for all atoms. Similarly, when the size of the simulation
box is changed, all atoms are re-scaled to new positions, unless the
keyword *dilate* is specified with a value of *partial*, in which case
only the atoms in the fix group are re-scaled. The latter can be
useful for leaving the coordinates of atoms in a solid substrate
unchanged and controlling the pressure of a surrounding fluid.
.. note::
Unlike the :doc:`fix npt <fix_nh>` or :doc:`fix nph <fix_nh>` commands which
perform Nose-Hoover barostatting AND time integration, this fix does NOT
perform time integration of the atoms but only of the barostat coupled
coordinate. It then only modifies the box size and atom coordinates to
effect barostatting. Thus you must use a separate time integration fix,
like :doc:`fix nve <fix_nve>` or :doc:`fix nvt <fix_nh>` to actually update
the positions and velocities of atoms. This fix can be used in conjunction
with thermostatting fixes to control the temperature, such as :doc:`fix nvt
<fix_nh>` or :doc:`fix langevin <fix_langevin>` or :doc:`fix temp/berendsen
<fix_temp_berendsen>`.
See the :doc:`Howto barostat <Howto_barostat>` page for a
discussion of different ways to perform barostatting.
----------
The barostat is specified using one or more of the *iso*, *aniso*, *tri* *x*,
*y*, *z*, *xy*, *xz*, *yz*, and *couple* keywords. These keywords give you the
ability to specify the 3 diagonal components of an external stress tensor, and
to couple various of these components together so that the dimensions they
represent are varied together during a constant-pressure simulation.
The target pressures for each of the 6 diagonal components of the stress tensor
can be specified independently via the *x*, *y*, *z*, keywords, which
correspond to the 3 simulation box dimensions, and the *xy*, *xz* and *yz*
keywords which corresponds to the 3 simulation box tilt factors. For each
component, the external pressure or tensor component at each timestep is a
ramped value during the run from *Pstart* to *Pstop*\ . If a target pressure is
specified for a component, then the corresponding box dimension will change
during a simulation. For example, if the *y* keyword is used, the y-box length
will change. A box dimension will not change if that component is not
specified, although you have the option to change that dimension via the
:doc:`fix deform <fix_deform>` command.
The *Pdamp* parameter can be seen in the same way as a Nose-Hoover parameter as
it is used to compute the mass of the fictitious particle. Without friction,
the barostat can be compared to a single particle Nose-Hoover barostat and
should follow a similar decay in time. The mass of the barostat is
linked to *Pdamp* by the relation
:math:`Q=(N_{at}+1)\cdot{}k_BT_{target}\cdot{}P_{damp}^2`. Note that *Pdamp*
should be expressed in time units.
.. note::
As for Berendsen barostat, a Langevin barostat will not work well for
arbitrary values of *Pdamp*\ . If *Pdamp* is too small, the pressure and
volume can fluctuate wildly; if it is too large, the pressure will take a
very long time to equilibrate. A good choice for many models is a *Pdamp*
of around 1000 timesteps. However, note that *Pdamp* is specified in time
units, and that timesteps are NOT the same as time units for most
:doc:`units <units>` settings.
----------
The *temp* keyword sets the temperature to use in the equation of motion of the
barostat. This value is used to compute the value of the force :math:`f_P` in
the equation of motion. It is important to note that this value is not the
instantaneous temperature but a target temperature that ramps from *Tstart* to
*Tstop*. Also the required argument *seed* sets the seed for the random
number generator used in the generation of the random forces.
----------
The *couple* keyword allows two or three of the diagonal components of
the pressure tensor to be "coupled" together. The value specified
with the keyword determines which are coupled. For example, *xz*
means the *Pxx* and *Pzz* components of the stress tensor are coupled.
*Xyz* means all 3 diagonal components are coupled. Coupling means two
things: the instantaneous stress will be computed as an average of the
corresponding diagonal components, and the coupled box dimensions will
be changed together in lockstep, meaning coupled dimensions will be
dilated or contracted by the same percentage every timestep. The
*Pstart*, *Pstop*, *Pdamp* parameters for any coupled dimensions must
be identical. *Couple xyz* can be used for a 2d simulation; the *z*
dimension is simply ignored.
----------
The *iso*, *aniso* and *tri* keywords are simply shortcuts that are
equivalent to specifying several other keywords together.
The keyword *iso* means couple all 3 diagonal components together when
pressure is computed (hydrostatic pressure), and dilate/contract the
dimensions together. Using "iso Pstart Pstop Pdamp" is the same as
specifying these 4 keywords:
.. parsed-literal::
x Pstart Pstop Pdamp
y Pstart Pstop Pdamp
z Pstart Pstop Pdamp
couple xyz
The keyword *aniso* means *x*, *y*, and *z* dimensions are controlled
independently using the *Pxx*, *Pyy*, and *Pzz* components of the
stress tensor as the driving forces, and the specified scalar external
pressure. Using "aniso Pstart Pstop Pdamp" is the same as specifying
these 4 keywords:
.. parsed-literal::
x Pstart Pstop Pdamp
y Pstart Pstop Pdamp
z Pstart Pstop Pdamp
couple none
The keyword *tri* is the same as *aniso* but also adds the control on the
shear pressure coupled with the tilt factors.
.. parsed-literal::
x Pstart Pstop Pdamp
y Pstart Pstop Pdamp
z Pstart Pstop Pdamp
xy Pstart Pstop Pdamp
xz Pstart Pstop Pdamp
yz Pstart Pstop Pdamp
couple none
----------
The *flip* keyword allows the tilt factors for a triclinic box to
exceed half the distance of the parallel box length, as discussed
below. If the *flip* value is set to *yes*, the bound is enforced by
flipping the box when it is exceeded. If the *flip* value is set to
*no*, the tilt will continue to change without flipping. Note that if
applied stress induces large deformations (e.g. in a liquid), this
means the box shape can tilt dramatically and LAMMPS will run less
efficiently, due to the large volume of communication needed to
acquire ghost atoms around a processor's irregular-shaped subdomain.
For extreme values of tilt, LAMMPS may also lose atoms and generate an
error.
----------
The *friction* keyword sets the friction parameter :math:`\alpha` in the
equations of motion of the barostat. For each barostat direction, the value of
:math:`\alpha` depends on both *Pdamp* and *friction*. The value given as a
parameter is the Langevin characteristic time
:math:`\tau_{L}=\frac{Q}{\alpha}` in time units. The langevin time can be understood as a
decorrelation time for the pressure. A long Langevin time value will make the
barostat act as an underdamped oscillator while a short value will make it
act as an overdamped oscillator. The ideal configuration would be to find
the critical parameter of the barostat. Empirically this is observed to
occur for :math:`\tau_{L}\approx{}P_{damp}`. For this reason, if the *friction*
keyword is not used, the default value *Pdamp* is used for each barostat direction.
----------
This fix computes pressure each timestep. To do
this, the fix creates its own computes of style "pressure",
as if this command had been issued:
.. code-block:: LAMMPS
compute fix-ID_press group-ID pressure NULL virial
The kinetic contribution to the pressure is taken as the ensemble value
:math:`\frac{Nk_bT}{V}` and computed by the fix itself.
See the :doc:`compute pressure <compute_pressure>` command for details. Note
that the IDs of the new compute is the fix-ID + underscore + "press" and the
group for the new computes is the same as the fix group.
Note that this is NOT the compute used by thermodynamic output (see the
:doc:`thermo_style <thermo_style>` command) with ID = *thermo_press*. This
means you can change the attributes of this fix's pressure via the
:doc:`compute_modify <compute_modify>` command or print this temperature or
pressure during thermodynamic output via the :doc:`thermo_style custom
<thermo_style>` command using the appropriate compute-ID. It also means that
changing attributes of *thermo_temp* or *thermo_press* will have no effect on
this fix.
Restart, fix_modify, output, run start/stop, minimize info
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
No information about this fix is written to :doc:`binary restart files <restart>`.
The :doc:`fix_modify <fix_modify>` *press* option is
supported by this fix. You can use it to assign a
:doc:`compute <compute>` you have defined to this fix which will be used
in its pressure calculations.
No global or per-atom quantities are stored by this fix for access by
various :doc:`output commands <Howto_output>`.
This fix can ramp its target pressure and temperature over multiple runs, using
the *start* and *stop* keywords of the :doc:`run <run>` command. See the
:doc:`run <run>` command for details of how to do this. It is recommended that
the ramped temperature is the same as the effective temperature of the
thermostatted system. That is, if the system's temperature is ramped by other
commands, it is recommended to do the same with this pressure control.
This fix is not invoked during :doc:`energy minimization <minimize>`.
Restrictions
""""""""""""
Any dimension being adjusted by this fix must be periodic.
Related commands
""""""""""""""""
:doc:`fix press/berendsen <fix_press_berendsen>`,
:doc:`fix nve <fix_nve>`, :doc:`fix nph <fix_nh>`, :doc:`fix npt <fix_nh>`, :doc:`fix langevin <fix_langevin>`,
:doc:`fix_modify <fix_modify>`
Default
"""""""
The keyword defaults are *dilate* = all, *flip* = yes, and *friction* = *Pdamp*.
----------
.. _Gronbech:
**(Gronbech)** Gronbech-Jensen, Farago, J Chem Phys, 141, 194108 (2014).

5
doc/src/fix_rigid.rst
View File

@ -843,7 +843,7 @@ stress/atom <compute_stress_atom>` commands. The former can be
accessed by :doc:`thermodynamic output <thermo_style>`. The default
setting for this fix is :doc:`fix_modify virial yes <fix_modify>`.
All of the *rigid* styles (not the *rigid/small* styles) compute a
All of the *rigid* styles (but not the *rigid/small* styles) compute a
global array of values which can be accessed by various :doc:`output
commands <Howto_output>`. Similar information about the bodies
defined by the *rigid/small* styles can be accessed via the
@ -887,7 +887,8 @@ Restrictions
""""""""""""
These fixes are all part of the RIGID package. It is only enabled if
LAMMPS was built with that package. See the :doc:`Build package <Build_package>` page for more info.
LAMMPS was built with that package. See the :doc:`Build package
<Build_package>` page for more info.
Assigning a temperature via the :doc:`velocity create <velocity>`
command to a system with :doc:`rigid bodies <fix_rigid>` may not have

7
doc/src/fix_spring_self.rst
View File

@ -1,4 +1,5 @@
.. index:: fix spring/self
.. index:: fix spring/self/kk
fix spring/self command
=======================
@ -80,6 +81,12 @@ invoked by the :doc:`minimize <minimize>` command.
you MUST enable the :doc:`fix_modify <fix_modify>` *energy* option for
this fix.
----------
.. include:: accel_styles.rst
----------
Restrictions
""""""""""""
none

82
doc/src/fix_srd.rst
View File

@ -61,24 +61,30 @@ Description
Treat a group of particles as stochastic rotation dynamics (SRD)
particles that serve as a background solvent when interacting with big
(colloidal) particles in groupbig-ID. The SRD formalism is described
in :ref:`(Hecht) <Hecht>`. The key idea behind using SRD particles as a
cheap coarse-grained solvent is that SRD particles do not interact
with each other, but only with the solute particles, which in LAMMPS
can be spheroids, ellipsoids, or line segments, or triangles, or rigid
bodies containing multiple spheroids or ellipsoids or line segments
or triangles. The collision and rotation properties of the model
imbue the SRD particles with fluid-like properties, including an
effective viscosity. Thus simulations with large solute particles can
be run more quickly, to measure solute properties like diffusivity
and viscosity in a background fluid. The usual LAMMPS fixes for such
simulations, such as :doc:`fix deform <fix_deform>`, :doc:`fix viscosity <fix_viscosity>`, and :doc:`fix nvt/sllod <fix_nvt_sllod>`,
can be used in conjunction with the SRD model.
in :ref:`(Hecht) <Hecht>`. The same methodology is also called
multi-particle collision dynamics (MPCD) in the literature.
For more details on how the SRD model is implemented in LAMMPS, :ref:`this paper <Petersen1>` describes the implementation and usage of pure SRD
fluids. :ref:`This paper <Lechman>`, which is nearly complete, describes
the implementation and usage of mixture systems (solute particles in
an SRD fluid). See the examples/srd directory for sample input
scripts using SRD particles in both settings.
The key idea behind using SRD particles as a cheap coarse-grained
solvent is that SRD particles do not interact with each other, but
only with the solute particles, which in LAMMPS can be spheroids,
ellipsoids, or line segments, or triangles, or rigid bodies containing
multiple spheroids or ellipsoids or line segments or triangles. The
collision and rotation properties of the model imbue the SRD particles
with fluid-like properties, including an effective viscosity. Thus
simulations with large solute particles can be run more quickly, to
measure solute properties like diffusivity and viscosity in a
background fluid. The usual LAMMPS fixes for such simulations, such
as :doc:`fix deform <fix_deform>`, :doc:`fix viscosity
<fix_viscosity>`, and :doc:`fix nvt/sllod <fix_nvt_sllod>`, can be
used in conjunction with the SRD model.
These 3 papers give more details on how the SRD model is implemented
in LAMMPS. :ref:`(Petersen) <Petersen1>` describes pure SRD fluid
systems. :ref:`(Bolintineanu1) <Bolintineanu1>` describes models
where pure SRD fluids interact with boundary walls.
:ref:`(Bolintineanu2) <Bolintineanu2>` describes mixture models where
large colloidal particles are solvated by an SRD fluid. See the
``examples/srd`` directory for sample input scripts.
This fix does two things:
@ -357,28 +363,28 @@ These are the 12 quantities. All are values for the current timestep,
except for quantity 5 and the last three, each of which are
cumulative quantities since the beginning of the run.
* (1) # of SRD/big collision checks performed
* (2) # of SRDs which had a collision
* (3) # of SRD/big collisions (including multiple bounces)
* (4) # of SRD particles inside a big particle
* (5) # of SRD particles whose velocity was rescaled to be < Vmax
* (6) # of bins for collision searching
* (7) # of bins for SRD velocity rotation
* (8) # of bins in which SRD temperature was computed
* (9) SRD temperature
* (10) # of SRD particles which have undergone max # of bounces
* (11) max # of bounces any SRD particle has had in a single step
* (12) # of reneighborings due to SRD particles moving too far
(1) # of SRD/big collision checks performed
(2) # of SRDs which had a collision
(3) # of SRD/big collisions (including multiple bounces)
(4) # of SRD particles inside a big particle
(5) # of SRD particles whose velocity was rescaled to be < Vmax
(6) # of bins for collision searching
(7) # of bins for SRD velocity rotation
(8) # of bins in which SRD temperature was computed
(9) SRD temperature
(10) # of SRD particles which have undergone max # of bounces
(11) max # of bounces any SRD particle has had in a single step
(12) # of reneighborings due to SRD particles moving too far
No parameter of this fix can be used with the *start/stop* keywords of
the :doc:`run <run>` command. This fix is not invoked during :doc:`energy minimization <minimize>`.
the :doc:`run <run>` command. This fix is not invoked during
:doc:`energy minimization <minimize>`.
Restrictions
""""""""""""
This command can only be used if LAMMPS was built with the SRD
package. See the :doc:`Build package <Build_package>` doc
page for more info.
This command can only be used if LAMMPS was built with the SRD package.
See the :doc:`Build package <Build_package>` doc page for more info.
Related commands
""""""""""""""""
@ -404,6 +410,12 @@ no, and rescale = yes.
**(Petersen)** Petersen, Lechman, Plimpton, Grest, in' t Veld, Schunk, J
Chem Phys, 132, 174106 (2010).
.. _Lechman:
.. _Bolintineanu1:
**(Lechman)** Lechman, et al, in preparation (2010).
**(Bolintineanu1)**
Bolintineanu, Lechman, Plimpton, Grest, Phys Rev E, 86, 066703 (2012).
.. _Bolintineanu2:
**(Bolintineanu2)** Bolintineanu, Grest, Lechman, Pierce, Plimpton,
Schunk, Comp Particle Mechanics, 1, 321-356 (2014).

4
doc/src/improper_amoeba.rst
View File

@ -68,8 +68,8 @@ for more info.
Related commands
""""""""""""""""
:doc:`improper_coeff <improper_coeff>`, `improper_harmonic
:doc:<improper_harmonic>`
:doc:`improper_coeff <improper_coeff>`,
:doc:`improper_harmonic <improper_harmonic>`
Default
"""""""

12
doc/src/pair_ilp_tmd.rst
View File

@ -22,12 +22,12 @@ Examples
.. code-block:: LAMMPS
pair_style hybrid/overlay ilp/tmd 16.0 1
pair_coeff * * ilp/tmd TMD.ILP Mo S S
pair_coeff * * ilp/tmd MoS2.ILP Mo S S
pair_style hybrid/overlay sw/mod sw/mod ilp/tmd 16.0
pair_coeff * * sw/mod 1 tmd.sw.mod Mo S S NULL NULL NULL
pair_coeff * * sw/mod 2 tmd.sw.mod NULL NULL NULL Mo S S
pair_coeff * * ilp/tmd TMD.ILP Mo S S Mo S S
pair_coeff * * ilp/tmd MoS2.ILP Mo S S Mo S S
Description
"""""""""""
@ -69,7 +69,7 @@ calculating the normals.
each atom `i`, its six nearest neighboring atoms belonging to the same
sub-layer are chosen to define the normal vector `{\bf n}_i`.
The parameter file (e.g. TMD.ILP), is intended for use with *metal*
The parameter file (e.g. MoS2.ILP), is intended for use with *metal*
:doc:`units <units>`, with energies in meV. Two additional parameters,
*S*, and *rcut* are included in the parameter file. *S* is designed to
facilitate scaling of energies. *rcut* is designed to build the neighbor
@ -77,7 +77,7 @@ list for calculating the normals for each atom pair.
.. note::
The parameters presented in the parameter file (e.g. TMD.ILP),
The parameters presented in the parameter file (e.g. MoS2.ILP),
are fitted with taper function by setting the cutoff equal to 16.0
Angstrom. Using different cutoff or taper function should be careful.
These parameters provide a good description in both short- and long-range
@ -133,10 +133,10 @@ if LAMMPS was built with that package. See the :doc:`Build package
This pair style requires the newton setting to be *on* for pair
interactions.
The TMD.ILP potential file provided with LAMMPS (see the potentials
The MoS2.ILP potential file provided with LAMMPS (see the potentials
directory) are parameterized for *metal* units. You can use this
potential with any LAMMPS units, but you would need to create your own
custom TMD.ILP potential file with coefficients listed in the appropriate
custom MoS2.ILP potential file with coefficients listed in the appropriate
units, if your simulation does not use *metal* units.
Related commands

30
doc/src/pair_nb3b_harmonic.rst → doc/src/pair_nb3b.rst
View File

@ -1,14 +1,20 @@
.. index:: pair_style nb3b/harmonic
.. index:: pair_style nb3b/screened
pair_style nb3b/harmonic command
================================
pair_style nb3b/screened command
================================
Syntax
""""""
.. code-block:: LAMMPS
pair_style nb3b/harmonic
pair_style style
* style = *nb3b/harmonic* or *nb3b/screened*
Examples
""""""""
@ -18,10 +24,14 @@ Examples
pair_style nb3b/harmonic
pair_coeff * * MgOH.nb3bharmonic Mg O H
pair_style nb3b/screened
pair_coeff * * PO.nb3b.screened P NULL O
pair_coeff * * SiOH.nb3b.screened Si O H
Description
"""""""""""
This pair style computes a non-bonded 3-body harmonic potential for the
The pair style *nb3b/harmonic* computes a non-bonded 3-body harmonic potential for the
energy E of a system of atoms as
.. math::
@ -33,7 +43,17 @@ prefactor. Note that the usual 1/2 factor is included in *K*\ . The form
of the potential is identical to that used in angle_style *harmonic*,
but in this case, the atoms do not need to be explicitly bonded.
Only a single pair_coeff command is used with this style which
Style *nb3b/screened* adds an additional exponentially decaying factor to
the harmonic term, given by
.. math::
E = K (\theta - \theta_0)^2 \exp \left(- \frac{r_{ij}}{\rho_{ij}} - \frac{r_{ik}}{\rho_{ik}} \right)
where :math:`\rho_ij` and :math:`\rho_ik` are the screening factors along
the two bonds. Note that the usual 1/2 factor is included in *K*.
Only a single pair_coeff command is used with these styles which
specifies a potential file with parameters for specified elements.
These are mapped to LAMMPS atom types by specifying N additional
arguments after the filename in the pair_coeff command, where N is the
@ -61,8 +81,8 @@ type 4 to the C element in the potential file. If a mapping value is
specified as NULL, the mapping is not performed. This can be used
when the potential is used as part of the *hybrid* pair style. The
NULL values are placeholders for atom types that will be used with
other potentials. An example of a pair_coeff command for use with the
*hybrid* pair style is:
other potentials. Two examples of pair_coeff command for use with the
*hybrid* pair style are:
.. code-block:: LAMMPS

37
doc/src/pair_reaxff.rst
View File

@ -43,22 +43,22 @@ Examples
Description
"""""""""""
Style *reaxff* computes the ReaxFF potential of van Duin, Goddard and
co-workers. ReaxFF uses distance-dependent bond-order functions to
Pair style *reaxff* computes the ReaxFF potential of van Duin, Goddard
and co-workers. ReaxFF uses distance-dependent bond-order functions to
represent the contributions of chemical bonding to the potential
energy. There is more than one version of ReaxFF. The version
energy. There is more than one version of ReaxFF. The version
implemented in LAMMPS uses the functional forms documented in the
supplemental information of the following paper:
:ref:`(Chenoweth et al., 2008) <Chenoweth_20082>`. The version integrated
into LAMMPS matches the version of ReaxFF From Summer 2010. For more
technical details about the pair reaxff implementation of ReaxFF, see
the :ref:`(Aktulga) <Aktulga>` paper. The *reaxff* style was initially
implemented as a stand-alone C code and is now converted to C++ and
integrated into LAMMPS as a package.
:ref:`(Chenoweth et al., 2008) <Chenoweth_20082>` and matches the
version of the reference ReaxFF implementation from Summer 2010. For
more technical details about the implementation of ReaxFF in pair style
*reaxff*, see the :ref:`(Aktulga) <Aktulga>` paper. The *reaxff* style
was initially implemented as a stand-alone C code and is now converted
to C++ and integrated into LAMMPS as a package.
The *reaxff/kk* style is a Kokkos version of the ReaxFF potential that
is derived from the *reaxff* style. The Kokkos version can run on GPUs
and can also use OpenMP multithreading. For more information about the
is derived from the *reaxff* style. The Kokkos version can run on GPUs
and can also use OpenMP multithreading. For more information about the
Kokkos package, see :doc:`Packages details <Packages_details>` and
:doc:`Speed kokkos <Speed_kokkos>` doc pages. One important
consideration when using the *reaxff/kk* style is the choice of either
@ -72,8 +72,7 @@ from LAMMPS after the 12 December 2018 version.
LAMMPS provides several different versions of ffield.reax in its
potentials dir, each called potentials/ffield.reax.label. These are
documented in potentials/README.reax. The default ffield.reax
contains parameterizations for the following elements: C, H, O, N.
documented in potentials/README.reax.
The format of these files is identical to that used originally by van
Duin. We have tested the accuracy of *pair_style reaxff* potential
@ -110,12 +109,14 @@ control variable. The format of the control file is described below.
not agree.
Examples using *pair_style reaxff* are provided in the examples/reax
subdirectory.
directory and its subdirectories.
Use of this pair style requires that a charge be defined for every
atom. See the :doc:`atom_style <atom_style>` and
:doc:`read_data <read_data>` commands for details on how to specify
charges.
Use of this pair style requires using an :doc:`atom_style <atom_style>`
that includes a per-atom charge property *or* using
:doc:`fix property/atom q <fix_property_atom>`. Charges can be set
via :doc:`read_data <read_data>` or :doc:`set <set>`. Using an initial
charge that is close to the result of charge equilibration will speed
up that process.
The ReaxFF parameter files provided were created using a charge
equilibration (QEq) model for handling the electrostatic interactions.

11
doc/src/pair_snap.rst
View File

@ -1,10 +1,11 @@
.. index:: pair_style snap
.. index:: pair_style snap/intel
.. index:: pair_style snap/kk
pair_style snap command
=======================
Accelerator Variants: *snap/kk*
Accelerator Variants: *snap/intel*, *snap/kk*
Syntax
""""""
@ -260,6 +261,14 @@ This style is part of the ML-SNAP package. It is only enabled if LAMMPS
was built with that package. See the :doc:`Build package
<Build_package>` page for more info.
The *snap/intel* accelerator variant will *only* be available if LAMMPS
is built with Intel *compilers* and for CPUs with AVX-512 support.
While the INTEL package in general allows multiple floating point
precision modes to be selected, *snap/intel* will currently always use
full double precision regardless of the precision mode selected.
Additionally, the *intel* variant of snap will **NOT** use multiple
threads with OpenMP.
Related commands
""""""""""""""""

3
doc/src/pair_style.rst
View File

@ -297,7 +297,8 @@ accelerated styles exist.
* :doc:`morse/soft <pair_morse>` - Morse potential with a soft core
* :doc:`multi/lucy <pair_multi_lucy>` - DPD potential with density-dependent force
* :doc:`multi/lucy/rx <pair_multi_lucy_rx>` - reactive DPD potential with density-dependent force
* :doc:`nb3b/harmonic <pair_nb3b_harmonic>` - non-bonded 3-body harmonic potential
* :doc:`nb3b/harmonic <pair_nb3b>` - non-bonded 3-body harmonic potential
* :doc:`nb3b/screened <pair_nb3b>` - non-bonded 3-body screened harmonic potential
* :doc:`nm/cut <pair_nm>` - N-M potential
* :doc:`nm/cut/coul/cut <pair_nm>` - N-M potential with cutoff Coulomb
* :doc:`nm/cut/coul/long <pair_nm>` - N-M potential with long-range Coulomb

9
doc/src/pair_yukawa_colloid.rst
View File

@ -1,11 +1,12 @@
.. index:: pair_style yukawa/colloid
.. index:: pair_style yukawa/colloid/gpu
.. index:: pair_style yukawa/colloid/kk
.. index:: pair_style yukawa/colloid/omp
pair_style yukawa/colloid command
=================================
Accelerator Variants: *yukawa/colloid/gpu*, *yukawa/colloid/omp*
Accelerator Variants: *yukawa/colloid/gpu*, *yukawa/colloid/kk*, *yukawa/colloid/omp*
Syntax
""""""
@ -131,6 +132,12 @@ per-type polydispersity is allowed. This means all particles of the
same type must have the same diameter. Each type can have a different
diameter.
----------
.. include:: accel_styles.rst
----------
Related commands
""""""""""""""""

4
doc/src/region.rst
View File

@ -24,6 +24,7 @@ Syntax
c1,c2 = coords of cone axis in other 2 dimensions (distance units)
radlo,radhi = cone radii at lo and hi end (distance units)
lo,hi = bounds of cone in dim (distance units)
c1,c2,radlo,radhi,lo,hi can be a variable (see below)
*cylinder* args = dim c1 c2 radius lo hi
dim = *x* or *y* or *z* = axis of cylinder
c1,c2 = coords of cylinder axis in other 2 dimensions (distance units)
@ -206,7 +207,8 @@ equal-style :doc:`variable <variable>`. Likewise, for style *sphere*
and *ellipsoid* the x-, y-, and z- coordinates of the center of the
sphere/ellipsoid can be specified as an equal-style variable. And for
style *cylinder* the two center positions c1 and c2 for the location
of the cylinder axes can be specified as a equal-style variable.
of the cylinder axes can be specified as a equal-style variable. For style *cone*
all properties can be defined via equal-style variables.
If the value is a variable, it should be specified as v_name, where
name is the variable name. In this case, the variable will be

53
doc/src/thermo_style.rst
View File

@ -385,19 +385,20 @@ creates a global vector with 6 values.
The *c_ID* and *c_ID[I]* and *c_ID[I][J]* keywords allow global values
calculated by a compute to be output. As discussed on the
:doc:`compute <compute>` doc page, computes can calculate global,
per-atom, or local values. Only global values can be referenced by
this command. However, per-atom compute values for an individual atom
can be referenced in a :doc:`variable <variable>` and the variable
referenced by thermo_style custom, as discussed below. See the
discussion above for how the I in *c_ID[I]* can be specified with a
wildcard asterisk to effectively specify multiple values from a global
compute vector.
per-atom, local, and per-grid values. Only global values can be
referenced by this command. However, per-atom compute values for an
individual atom can be referenced in a :doc:`equal-style variable
<variable>` and the variable referenced by thermo_style custom, as
discussed below. See the discussion above for how the I in *c_ID[I]*
can be specified with a wildcard asterisk to effectively specify
multiple values from a global compute vector.
The ID in the keyword should be replaced by the actual ID of a compute
that has been defined elsewhere in the input script. See the
:doc:`compute <compute>` command for details. If the compute calculates
a global scalar, vector, or array, then the keyword formats with 0, 1,
or 2 brackets will reference a scalar value from the compute.
:doc:`compute <compute>` command for details. If the compute
calculates a global scalar, vector, or array, then the keyword formats
with 0, 1, or 2 brackets will reference a scalar value from the
compute.
Note that some computes calculate "intensive" global quantities like
temperature; others calculate "extensive" global quantities like
@ -410,13 +411,14 @@ norm <thermo_modify>` option being used.
The *f_ID* and *f_ID[I]* and *f_ID[I][J]* keywords allow global values
calculated by a fix to be output. As discussed on the :doc:`fix
<fix>` doc page, fixes can calculate global, per-atom, or local
values. Only global values can be referenced by this command.
However, per-atom fix values can be referenced for an individual atom
in a :doc:`variable <variable>` and the variable referenced by
thermo_style custom, as discussed below. See the discussion above for
how the I in *f_ID[I]* can be specified with a wildcard asterisk to
effectively specify multiple values from a global fix vector.
<fix>` doc page, fixes can calculate global, per-atom, local, and
per-grid values. Only global values can be referenced by this
command. However, per-atom fix values can be referenced for an
individual atom in a :doc:`equal-style variable <variable>` and the
variable referenced by thermo_style custom, as discussed below. See
the discussion above for how the I in *f_ID[I]* can be specified with
a wildcard asterisk to effectively specify multiple values from a
global fix vector.
The ID in the keyword should be replaced by the actual ID of a fix
that has been defined elsewhere in the input script. See the
@ -438,14 +440,15 @@ output. The name in the keyword should be replaced by the variable
name that has been defined elsewhere in the input script. Only
equal-style and vector-style variables can be referenced; the latter
requires a bracketed term to specify the Ith element of the vector
calculated by the variable. However, an atom-style variable can be
referenced for an individual atom by an equal-style variable and that
variable referenced. See the :doc:`variable <variable>` command for
details. Variables of style *equal* and *vector* and *atom* define a
formula which can reference per-atom properties or thermodynamic
keywords, or they can invoke other computes, fixes, or variables when
evaluated, so this is a very general means of creating thermodynamic
output.
calculated by the variable. However, an equal-style variable can use
an atom-style variable in its formula indexed by the ID of an
individual atom. This is a way to output a specific atom's per-atom
coordinates or other per-atom properties in thermo output. See the
:doc:`variable <variable>` command for details. Note that variables
of style *equal* and *vector* and *atom* define a formula which can
reference per-atom properties or thermodynamic keywords, or they can
invoke other computes, fixes, or variables when evaluated, so this is
a very general means of creating thermodynamic output.
Note that equal-style and vector-style variables are assumed to
produce "intensive" global quantities, which are thus printed as-is,

251
doc/src/variable.rst
View File

@ -550,12 +550,11 @@ variables.
Most of the formula elements produce a scalar value. Some produce a
global or per-atom vector of values. Global vectors can be produced
by computes or fixes or by other vector-style variables. Per-atom
vectors are produced by atom vectors, compute references that
represent a per-atom vector, fix references that represent a per-atom
vector, and variables that are atom-style variables. Math functions
that operate on scalar values produce a scalar value; math function
that operate on global or per-atom vectors do so element-by-element
and produce a global or per-atom vector.
vectors are produced by atom vectors, computes or fixes which output a
per-atom vector or array, and variables that are atom-style variables.
Math functions that operate on scalar values produce a scalar value;
math function that operate on global or per-atom vectors do so
element-by-element and produce a global or per-atom vector.
A formula for equal-style variables cannot use any formula element
that produces a global or per-atom vector. A formula for a
@ -564,12 +563,13 @@ scalar value or a global vector value, but cannot use a formula
element that produces a per-atom vector. A formula for an atom-style
variable can use formula elements that produce either a scalar value
or a per-atom vector, but not one that produces a global vector.
Atom-style variables are evaluated by other commands that define a
:doc:`group <group>` on which they operate, e.g. a :doc:`dump <dump>` or
:doc:`compute <compute>` or :doc:`fix <fix>` command. When they invoke
the atom-style variable, only atoms in the group are included in the
formula evaluation. The variable evaluates to 0.0 for atoms not in
the group.
:doc:`group <group>` on which they operate, e.g. a :doc:`dump <dump>`
or :doc:`compute <compute>` or :doc:`fix <fix>` command. When they
invoke the atom-style variable, only atoms in the group are included
in the formula evaluation. The variable evaluates to 0.0 for atoms
not in the group.
----------
@ -1138,69 +1138,74 @@ only defined if an :doc:`atom_style <atom_style>` is being used that
defines molecule IDs.
Note that many other atom attributes can be used as inputs to a
variable by using the :doc:`compute property/atom <compute_property_atom>` command and then specifying
a quantity from that compute.
variable by using the :doc:`compute property/atom
<compute_property_atom>` command and then specifying a quantity from
that compute.
----------
Compute References
------------------
Compute references access quantities calculated by a
:doc:`compute <compute>`. The ID in the reference should be replaced by
the ID of a compute defined elsewhere in the input script. As
discussed in the page for the :doc:`compute <compute>` command,
computes can produce global, per-atom, or local values. Only global
and per-atom values can be used in a variable. Computes can also
produce a scalar, vector, or array.
Compute references access quantities calculated by a :doc:`compute
<compute>`. The ID in the reference should be replaced by the ID of a
compute defined elsewhere in the input script.
An equal-style variable can only use scalar values, which means a
global scalar, or an element of a global or per-atom vector or array.
A vector-style variable can use scalar values or a global vector of
values, or a column of a global array of values. Atom-style variables
can use global scalar values. They can also use per-atom vector
values, or a column of a per-atom array. See the doc pages for
individual computes to see what kind of values they produce.
As discussed on the page for the :doc:`compute <compute>` command,
computes can produce global, per-atom, local, and per-grid values.
Only global and per-atom values can be used in a variable. Computes
can also produce scalars (global only), vectors, and arrays. See the
doc pages for individual computes to see what different kinds of data
they produce.
Examples of different kinds of compute references are as follows.
There is typically no ambiguity (see exception below) as to what a
reference means, since computes only produce either global or per-atom
quantities, never both.
An equal-style variable can only use scalar values, either from global
or per-atom data. In the case of per-atom data, this would be a value
for a specific atom.
+-------------+-------------------------------------------------------------------------------------------------------+
| c_ID | global scalar, or per-atom vector |
+-------------+-------------------------------------------------------------------------------------------------------+
| c_ID[I] | Ith element of global vector, or atom I's value in per-atom vector, or Ith column from per-atom array |
+-------------+-------------------------------------------------------------------------------------------------------+
| c_ID[I][J] | I,J element of global array, or atom I's Jth value in per-atom array |
+-------------+-------------------------------------------------------------------------------------------------------+
A vector-style variable can use scalar values (same as for equal-style
variables), or global vectors of values. The latter can also be a
column of a global array.
For I and J indices, integers can be specified or a variable name,
specified as v_name, where name is the name of the variable. The
rules for this syntax are the same as for the "Atom Values and
Vectors" discussion above.
Atom-style variables can use scalar values (same as for equal-style
variables), or per-atom vectors of values. The latter can also be a
column of a per-atom array.
One source of ambiguity for compute references is when a vector-style
variable refers to a compute that produces both a global scalar and a
global vector. Consider a compute with ID "foo" that does this,
referenced as follows by variable "a", where "myVec" is another
vector-style variable:
The various allowed compute references in the variable formulas for
equal-, vector-, and atom-style variables are listed in the following
table:
.. code-block:: LAMMPS
+--------+------------+------------------------------------------+
| equal | c_ID | global scalar |
| equal | c_ID[I] | element of global vector |
| equal | c_ID[I][J] | element of global array |
| equal | C_ID[I] | element of per-atom vector (I = atom ID) |
| equal | C_ID[I][J] | element of per-atom array (I = atom ID) |
+--------+------------+------------------------------------------+
| vector | c_ID | global vector |
| vector | c_ID[I] | column of global array |
+--------+------------+------------------------------------------+
| atom | c_ID | per-atom vector |
| atom | c_ID[I] | column of per-atom array |
+--------+------------+------------------------------------------+
variable a vector c_foo*v_myVec
Note that if an equal-style variable formula wishes to access per-atom
data from a compute, it must use capital "C" as the ID prefix and not
lower-case "c".
The reference "c_foo" could refer to either the global scalar or
global vector produced by compute "foo". In this case, "c_foo" will
always refer to the global scalar, and "C_foo" can be used to
reference the global vector. Similarly if the compute produces both a
global vector and global array, then "c_foo[I]" will always refer to
an element of the global vector, and "C_foo[I]" can be used to
reference the Ith column of the global array.
Also note that if a vector- or atom-style variable formula needs to
access a scalar value from a compute (i.e. the 5 kinds of values in
the first 5 lines of the table), it can not do so directly. Instead,
it can use a reference to an equal-style variable which stores the
scalar value from the compute.
Note that if a variable containing a compute is evaluated directly in
an input script (not during a run), then the values accessed by the
compute must be current. See the discussion below about "Variable
The I and J indices in these compute references can be integers or can
be a variable name, specified as v_name, where name is the name of the
variable. The rules for this syntax are the same as for indices in
the "Atom Values and Vectors" discussion above.
If a variable containing a compute is evaluated directly in an input
script (not during a run), then the values accessed by the compute
should be current. See the discussion below about "Variable
Accuracy".
----------
@ -1208,51 +1213,59 @@ Accuracy".
Fix References
--------------
Fix references access quantities calculated by a :doc:`fix <compute>`.
Fix references access quantities calculated by a :doc:`fix <fix>`.
The ID in the reference should be replaced by the ID of a fix defined
elsewhere in the input script. As discussed in the page for the
:doc:`fix <fix>` command, fixes can produce global, per-atom, or local
values. Only global and per-atom values can be used in a variable.
Fixes can also produce a scalar, vector, or array. An equal-style
variable can only use scalar values, which means a global scalar, or
an element of a global or per-atom vector or array. Atom-style
variables can use the same scalar values. They can also use per-atom
vector values. A vector value can be a per-atom vector itself, or a
column of an per-atom array. See the doc pages for individual fixes
to see what kind of values they produce.
elsewhere in the input script.
The different kinds of fix references are exactly the same as the
compute references listed in the above table, where "c\_" is replaced
by "f\_". Again, there is typically no ambiguity (see exception below)
as to what a reference means, since fixes only produce either global
or per-atom quantities, never both.
As discussed on the page for the :doc:`fix <fix>` command, fixes can
produce global, per-atom, local, and per-grid values. Only global and
per-atom values can be used in a variable. Fixes can also produce
scalars (global only), vectors, and arrays. See the doc pages for
individual fixes to see what different kinds of data they produce.
+-------------+-------------------------------------------------------------------------------------------------------+
| f_ID | global scalar, or per-atom vector |
+-------------+-------------------------------------------------------------------------------------------------------+
| f_ID[I] | Ith element of global vector, or atom I's value in per-atom vector, or Ith column from per-atom array |
+-------------+-------------------------------------------------------------------------------------------------------+
| f_ID[I][J] | I,J element of global array, or atom I's Jth value in per-atom array |
+-------------+-------------------------------------------------------------------------------------------------------+
An equal-style variable can only use scalar values, either from global
or per-atom data. In the case of per-atom data, this would be a value
for a specific atom.
For I and J indices, integers can be specified or a variable name,
specified as v_name, where name is the name of the variable. The
rules for this syntax are the same as for the "Atom Values and
Vectors" discussion above.
A vector-style variable can use scalar values (same as for equal-style
variables), or global vectors of values. The latter can also be a
column of a global array.
One source of ambiguity for fix references is the same ambiguity
discussed for compute references above. Namely when a vector-style
variable refers to a fix that produces both a global scalar and a
global vector. The solution is the same as for compute references.
For a fix with ID "foo", "f_foo" will always refer to the global
scalar, and "F_foo" can be used to reference the global vector. And
similarly for distinguishing between a fix's global vector versus
global array with "f_foo[I]" versus "F_foo[I]".
Atom-style variables can use scalar values (same as for equal-style
variables), or per-atom vectors of values. The latter can also be a
column of a per-atom array.
Note that if a variable containing a fix is evaluated directly in an
input script (not during a run), then the values accessed by the fix
should be current. See the discussion below about "Variable
Accuracy".
The allowed fix references in variable formulas for equal-, vector-,
and atom-style variables are listed in the following table:
+--------+------------+------------------------------------------+
| equal | f_ID | global scalar |
| equal | f_ID[I] | element of global vector |
| equal | f_ID[I][J] | element of global array |
| equal | F_ID[I] | element of per-atom vector (I = atom ID) |
| equal | F_ID[I][J] | element of per-atom array (I = atom ID) |
+--------+------------+------------------------------------------+
| vector | f_ID | global vector |
| vector | f_ID[I] | column of global array |
+--------+------------+------------------------------------------+
| atom | f_ID | per-atom vector |
| atom | f_ID[I] | column of per-atom array |
+--------+------------+------------------------------------------+
Note that if an equal-style variable formula wishes to access per-atom
data from a fix, it must use capital "F" as the ID prefix and not
lower-case "f".
Also note that if a vector- or atom-style variable formula needs to
access a scalar value from a fix (i.e. the 5 kinds of values in the
first 5 lines of the table), it can not do so directly. Instead, it
can use a reference to an equal-style variable which stores the scalar
value from the fix.
The I and J indices in these fix references can be integers or can be
a variable name, specified as v_name, where name is the name of the
variable. The rules for this syntax are the same as for indices in
the "Atom Values and Vectors" discussion above.
Note that some fixes only generate quantities on certain timesteps.
If a variable attempts to access the fix on non-allowed timesteps, an
@ -1260,6 +1273,10 @@ error is generated. For example, the :doc:`fix ave/time <fix_ave_time>`
command may only generate averaged quantities every 100 steps. See
the doc pages for individual fix commands for details.
If a variable containing a fix is evaluated directly in an input
script (not during a run), then the values accessed by the fix should
be current. See the discussion below about "Variable Accuracy".
----------
Variable References
@ -1294,26 +1311,32 @@ including other atom-style or atomfile-style variables. If it uses a
vector-style variable, a subscript must be used to access a single
value from the vector-style variable.
Examples of different kinds of variable references are as follows.
There is no ambiguity as to what a reference means, since variables
produce only a global scalar or global vector or per-atom vector.
The allowed variable references in variable formulas for equal-,
vector-, and atom-style variables are listed in the following table.
Note that there is no ambiguity as to what a reference means, since
referenced variables produce only a global scalar or global vector or
per-atom vector.
+------------+----------------------------------------------------------------------+
| v_name | global scalar from equal-style variable |
+------------+----------------------------------------------------------------------+
| v_name | global vector from vector-style variable |
+------------+----------------------------------------------------------------------+
| v_name | per-atom vector from atom-style or atomfile-style variable |
+------------+----------------------------------------------------------------------+
| v_name[I] | Ith element of a global vector from vector-style variable |
+------------+----------------------------------------------------------------------+
| v_name[I] | value of atom with ID = I from atom-style or atomfile-style variable |
+------------+----------------------------------------------------------------------+
+--------+-----------+-----------------------------------------------------------------------------------+
| equal | v_name | global scalar from an equal-style variable |
| equal | v_name[I] | element of global vector from a vector-style variable |
| equal | v_name[I] | element of per-atom vector (I = atom ID) from an atom- or atomfile-style variable |
+--------+-----------+-----------------------------------------------------------------------------------+
| vector | v_name | global scalar from an equal-style variable |
| vector | v_name | global vector from a vector-style variable |
| vector | v_name[I] | element of global vector from a vector-style variable |
| vector | v_name[I] | element of per-atom vector (I = atom ID) from an atom- or atomfile-style variable |
+--------+-----------+-----------------------------------------------------------------------------------+
| atom | v_name | global scalar from an equal-style variable |
| atom | v_name | per-atom vector from an atom-style or atomfile-style variable |
| atom | v_name[I] | element of global vector from a vector-style variable |
| atom | v_name[I] | element of per-atom vector (I = atom ID) from an atom- or atomfile-style variable |
+--------+-----------+-----------------------------------------------------------------------------------+
For the I index, an integer can be specified or a variable name,
specified as v_name, where name is the name of the variable. The
rules for this syntax are the same as for the "Atom Values and
Vectors" discussion above.
rules for this syntax are the same as for indices in the "Atom Values
and Vectors" discussion above.
----------

26
doc/utils/sphinx-config/LAMMPSLexer.py
View File

@ -76,12 +76,12 @@ class LAMMPSLexer(RegexLexer):
include('conditionals'),
include('keywords'),
(r'#.*?\n', Comment),
('"', String, 'string'),
('\'', String, 'single_quote_string'),
(r'"', String, 'string'),
(r'\'', String, 'single_quote_string'),
(r'[0-9]+:[0-9]+(:[0-9]+)?', Number),
(r'[0-9]+(\.[0-9]+)?([eE]\-?[0-9]+)?', Number),
('\$?\(', Name.Variable, 'expression'),
('\$\{', Name.Variable, 'variable'),
(r'\$?\(', Name.Variable, 'expression'),
(r'\$\{', Name.Variable, 'variable'),
(r'[\w_\.\[\]]+', Name),
(r'\$[\w_]+', Name.Variable),
(r'\s+', Whitespace),
@ -97,21 +97,21 @@ class LAMMPSLexer(RegexLexer):
]
,
'variable' : [
('[^\}]+', Name.Variable),
('\}', Name.Variable, '#pop'),
(r'[^\}]+', Name.Variable),
(r'\}', Name.Variable, '#pop'),
],
'string' : [
('[^"]+', String),
('"', String, '#pop'),
(r'[^"]+', String),
(r'"', String, '#pop'),
],
'single_quote_string' : [
('[^\']+', String),
('\'', String, '#pop'),
(r'[^\']+', String),
(r'\'', String, '#pop'),
],
'expression' : [
('[^\(\)]+', Name.Variable),
('\(', Name.Variable, 'expression'),
('\)', Name.Variable, '#pop'),
(r'[^\(\)]+', Name.Variable),
(r'\(', Name.Variable, 'expression'),
(r'\)', Name.Variable, '#pop'),
],
'modify_cmd' : [
(r'[\w_\-\.\[\]]+', Name.Variable.Identifier),

2
doc/utils/sphinx-config/false_positives.txt
View File

@ -2892,6 +2892,7 @@ pscrozi
pseudocode
Pseudocode
pseudodynamics
pseudoparticle
pseudopotential
psllod
pSp
@ -3755,6 +3756,7 @@ uncomment
uncommented
uncompress
uncompute
underdamped
underprediction
undump
uniaxial

1
examples/balance/in.balance
View File

@ -50,5 +50,6 @@ fix 10 all balance 50 0.9 rcb
thermo_style custom step temp epair press f_10[3] f_10
thermo 100
timestep 0.001
run 10000

1
examples/balance/in.balance.bond.fast
View File

@ -59,5 +59,6 @@ fix 10 all balance 50 0.9 rcb
thermo_style custom step temp epair press f_10[3] f_10
thermo 100
timestep 0.001
run 10000

1
examples/balance/in.balance.bond.slow
View File

@ -58,5 +58,6 @@ fix 10 all balance 50 0.9 rcb
thermo_style custom step temp epair press f_10[3] f_10
thermo 100
timestep 0.001
run 40000

242
examples/balance/log.27Nov18.balance.bond.fast.g++.2
View File

@ -1,242 +0,0 @@
LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 2d circle of particles inside a box with LJ walls
variable b index 0
variable x index 50
variable y index 20
variable d index 20
variable v index 5
variable w index 2
units lj
dimension 2
atom_style bond
boundary f f p
lattice hex 0.85
Lattice spacing in x,y,z = 1.16553 2.01877 1.16553
region box block 0 $x 0 $y -0.5 0.5
region box block 0 50 0 $y -0.5 0.5
region box block 0 50 0 20 -0.5 0.5
create_box 1 box bond/types 1 extra/bond/per/atom 6
Created orthogonal box = (0 0 -0.582767) to (58.2767 40.3753 0.582767)
2 by 1 by 1 MPI processor grid
region circle sphere $(v_d/2+1) $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 10
create_atoms 1 region circle
Created 361 atoms
Time spent = 0.000778913 secs
mass 1 1.0
velocity all create 0.5 87287 loop geom
velocity all set $v $w 0 sum yes
velocity all set 5 $w 0 sum yes
velocity all set 5 2 0 sum yes
pair_style lj/cut 2.5
pair_coeff 1 1 10.0 1.0 2.5
bond_style harmonic
bond_coeff 1 10.0 1.2
# need to preserve 1-3, 1-4 pairwise interactions during hard collisions
special_bonds lj/coul 0 1 1
0 = max # of 1-2 neighbors
1 = max # of special neighbors
create_bonds many all all 1 1.0 1.5
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
2 neighbor lists, perpetual/occasional/extra = 1 1 0
(1) command create_bonds, occasional
attributes: full, newton on
pair build: full/bin
stencil: full/bin/2d
bin: standard
(2) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d/newton
bin: standard
Added 1014 bonds, new total = 1014
6 = max # of 1-2 neighbors
6 = max # of special neighbors
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 all nve
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi $x 1 1 2.5
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi 50 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi $y 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi 20 1 1 2.5
comm_style tiled
comm_modify cutoff 10.0 # because bonds stretch a long ways
fix 10 all balance 50 0.9 rcb
#compute 1 all property/atom proc
#variable p atom (c_1%10)+1
#dump 2 all custom 50 tmp.dump id v_p x y z
#dump 3 all image 50 image.*.jpg v_p type bond atom 0.25 # adiam 1.0 view 0 0 zoom 1.8 subbox yes 0.02
#variable colors string # "red green blue yellow white # purple pink orange lime gray"
#dump_modify 3 pad 5 amap 0 10 sa 1 10 ${colors}
thermo_style custom step temp epair press f_10[3] f_10
thermo 100
run 10000
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 10
binsize = 1.4, bins = 42 29 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 5.156 | 5.167 | 5.177 Mbytes
Step Temp E_pair Press f_10[3] f_10
0 25.701528 -2.2032569 3.1039469 2 1.0193906
100 27.623422 -6.228166 2.6542136 1.0803324 1.0027701
200 33.35302 -15.746749 3.2018248 1.1246537 1.0027701
300 39.17734 -24.1557 4.9116986 1.1468144 1.0027701
400 41.660701 -27.615203 8.6214678 1.2077562 1.0027701
500 37.154935 -24.096954 3.2656298 1.2243767 1.0083102
600 35.062196 -21.527799 2.3688444 1.1800554 1.0027701
700 36.962955 -22.265373 3.0233424 1.1800554 1.0083102
800 38.514356 -24.625735 5.2876402 1.2077562 1.0027701
900 37.840168 -24.069158 4.443617 1.2022161 1.0083102
1000 36.429396 -23.978878 7.2603394 1.1966759 1.0027701
1100 34.75827 -22.743232 6.6304628 1.1745152 1.0083102
1200 31.057199 -21.46544 3.7869701 1.1634349 1.0083102
1300 33.127345 -22.426161 5.824726 1.0858726 1.0027701
1400 31.678654 -21.604473 3.2219261 1.0360111 1.0083102
1500 28.345212 -18.030807 0.93335223 1.1191136 1.0027701
1600 26.031412 -15.389052 0.82549542 1.1080332 1.0027701
1700 25.082832 -13.48625 1.0006592 1.0858726 1.0027701
1800 25.673875 -13.965883 0.54607043 1.0692521 1.0027701
1900 26.530842 -13.979318 2.0285449 1.1024931 1.0027701
2000 25.910771 -14.244515 1.9592232 1.1191136 1.0027701
2100 28.505636 -16.220559 1.7154775 1.1191136 1.0027701
2200 28.142753 -15.564302 2.9946076 1.1135734 1.0027701
2300 26.606225 -13.734442 1.4589278 1.0083102 1.0083102
2400 25.664988 -12.389759 1.3450183 1.0360111 1.0027701
2500 25.145328 -11.815173 0.48162788 1.0360111 1.0027701
2600 26.654868 -13.916929 2.8361012 1.0581717 1.0083102
2700 27.3758 -15.495452 4.1206412 1.0360111 1.0027701
2800 23.60864 -14.520038 1.8948923 1.0193906 1.0027701
2900 20.604557 -12.901121 0.17526991 1.0138504 1.0027701
3000 20.852473 -12.756946 -0.44987285 1.0360111 1.0027701
3100 21.934986 -12.797691 0.76186765 1.0415512 1.0027701
3200 23.293263 -12.368233 0.021937309 1.0526316 1.0027701
3300 22.091492 -10.88605 0.013006632 1.0415512 1.0083102
3400 23.535429 -10.937804 2.0738989 1.0360111 1.0027701
3500 24.503573 -12.202994 1.126785 1.0581717 1.0027701
3600 23.54503 -12.745709 0.39022194 1.0858726 1.0027701
3700 22.658187 -10.986188 -0.18869692 1.0692521 1.0027701
3800 21.282045 -9.7879088 -0.061253454 1.0193906 1.0027701
3900 20.571754 -9.1157993 -1.0178917 1.0526316 1.0027701
4000 23.779702 -10.230328 1.0778525 1.0581717 1.0083102
4100 23.675854 -10.63724 0.59402249 1.0415512 1.0027701
4200 24.058963 -11.89505 0.3866378 1.0526316 1.0027701
4300 22.683721 -11.358978 1.8269036 1.0470914 1.0083102
4400 23.002345 -11.081443 0.4529456 1.0415512 1.0027701
4500 21.984542 -10.233276 -0.60718244 1.0415512 1.0083102
4600 22.079237 -9.979061 0.53013572 1.0415512 1.0027701
4700 22.336961 -10.323583 -0.37512832 1.0249307 1.0027701
4800 23.351699 -10.143724 0.95694397 1.0470914 1.0027701
4900 23.643954 -10.687354 1.6062522 1.0858726 1.0083102
5000 25.158132 -11.532398 1.3083639 1.0914127 1.0027701
5100 23.755521 -10.978548 0.60587307 1.0470914 1.0027701
5200 21.842692 -10.443216 -0.41185899 1.0637119 1.0027701
5300 22.828066 -10.871114 1.1754353 1.0470914 1.0027701
5400 24.883977 -12.39165 0.65101173 1.0470914 1.0027701
5500 22.908286 -11.419431 1.4712698 1.0637119 1.0027701
5600 22.718634 -12.083974 1.5706808 1.0526316 1.0027701
5700 23.080763 -11.464882 1.2979578 1.0304709 1.0083102
5800 21.877026 -11.483185 0.279772 1.0360111 1.0027701
5900 22.526809 -10.868636 0.37121786 1.0637119 1.0083102
6000 22.908857 -10.311118 0.58244569 1.0526316 1.0083102
6100 22.399847 -10.222706 0.87875674 1.0858726 1.0027701
6200 22.623463 -10.035541 -0.25811274 1.0304709 1.0027701
6300 21.518006 -10.017552 -0.98187611 1.0470914 1.0083102
6400 21.269816 -11.297716 0.20058535 1.0138504 1.0027701
6500 23.362834 -11.263306 0.47670072 1.0692521 1.0027701
6600 23.705236 -12.358492 -0.63286237 1.0027701 1.0027701
6700 22.410623 -10.849516 0.57027834 1.0581717 1.0083102
6800 21.661639 -9.3981379 0.38726515 1.0470914 1.0027701
6900 21.856521 -8.8451751 0.053822789 1.0304709 1.0027701
7000 21.069495 -8.6443387 -0.10412144 1.0193906 1.0027701
7100 22.305494 -10.098469 -0.22662961 1.0581717 1.0027701
7200 23.52884 -11.055929 -0.099869868 1.0692521 1.0027701
7300 24.042008 -11.411758 2.0528788 1.0415512 1.0027701
7400 22.870777 -12.408763 0.33346225 1.0249307 1.0027701
7500 21.290152 -10.963058 0.26940112 1.0083102 1.0027701
7600 21.702686 -10.36214 0.84057004 1.0083102 1.0027701
7700 22.478034 -10.832724 -0.70855164 1.0747922 1.0027701
7800 22.856853 -11.161008 -0.88354803 1.0083102 1.0083102
7900 22.579842 -10.789899 0.40865274 1.0360111 1.0027701
8000 24.364281 -12.116023 -0.44788445 1.0249307 1.0083102
8100 22.993409 -10.261331 0.44712215 1.0193906 1.0027701
8200 23.006207 -10.723372 1.2357091 1.0415512 1.0083102
8300 23.292233 -10.041314 2.143692 1.0581717 1.0027701
8400 21.658087 -10.089378 -0.25838681 1.0083102 1.0027701
8500 23.268456 -10.356603 0.089787317 1.0526316 1.0083102
8600 22.572019 -10.32801 0.12320758 1.0526316 1.0027701
8700 22.970465 -10.662456 0.57027398 1.0581717 1.0083102
8800 23.515552 -10.415842 1.0048598 1.0138504 1.0083102
8900 22.733961 -10.343495 0.19917627 1.0360111 1.0083102
9000 21.835458 -9.8740971 -1.0653164 1.0193906 1.0027701
9100 22.062821 -9.2303832 0.21428267 1.0415512 1.0083102
9200 23.020404 -10.321542 -0.48757848 1.0193906 1.0083102
9300 22.529362 -9.2916938 0.57056277 1.0415512 1.0027701
9400 23.301911 -10.538876 0.80637627 1.0138504 1.0027701
9500 21.984286 -9.4754676 -0.19048233 1.0193906 1.0027701
9600 23.710224 -10.274983 0.72268146 1.0249307 1.0027701
9700 22.317038 -9.3509008 -0.45727658 1.0360111 1.0027701
9800 23.41615 -10.026331 -0.45909049 1.0415512 1.0027701
9900 22.130299 -11.18528 -0.15359132 1.0747922 1.0027701
10000 23.273859 -11.337403 0.4036321 1.0304709 1.0083102
Loop time of 1.18289 on 2 procs for 10000 steps with 361 atoms
Performance: 3652073.393 tau/day, 8453.874 timesteps/s
97.0% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.25191 | 0.25685 | 0.2618 | 1.0 | 21.71
Bond | 0.097655 | 0.098332 | 0.099009 | 0.2 | 8.31
Neigh | 0.53258 | 0.53993 | 0.54728 | 1.0 | 45.65
Comm | 0.13457 | 0.15372 | 0.17288 | 4.9 | 13.00
Output | 0.0013587 | 0.0016007 | 0.0018427 | 0.6 | 0.14
Modify | 0.074109 | 0.074314 | 0.074518 | 0.1 | 6.28
Other | | 0.05813 | | | 4.91
Nlocal: 180.5 ave 182 max 179 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 172.5 ave 175 max 170 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 1421 ave 1488 max 1354 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 2842
Ave neighs/atom = 7.87258
Ave special neighs/atom = 5.61773
Neighbor list builds = 4884
Dangerous builds = 0
Total wall time: 0:00:01

242
examples/balance/log.27Nov18.balance.bond.fast.g++.4
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@ -1,242 +0,0 @@
LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 2d circle of particles inside a box with LJ walls
variable b index 0
variable x index 50
variable y index 20
variable d index 20
variable v index 5
variable w index 2
units lj
dimension 2
atom_style bond
boundary f f p
lattice hex 0.85
Lattice spacing in x,y,z = 1.16553 2.01877 1.16553
region box block 0 $x 0 $y -0.5 0.5
region box block 0 50 0 $y -0.5 0.5
region box block 0 50 0 20 -0.5 0.5
create_box 1 box bond/types 1 extra/bond/per/atom 6
Created orthogonal box = (0 0 -0.582767) to (58.2767 40.3753 0.582767)
2 by 2 by 1 MPI processor grid
region circle sphere $(v_d/2+1) $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 10
create_atoms 1 region circle
Created 361 atoms
Time spent = 0.00067687 secs
mass 1 1.0
velocity all create 0.5 87287 loop geom
velocity all set $v $w 0 sum yes
velocity all set 5 $w 0 sum yes
velocity all set 5 2 0 sum yes
pair_style lj/cut 2.5
pair_coeff 1 1 10.0 1.0 2.5
bond_style harmonic
bond_coeff 1 10.0 1.2
# need to preserve 1-3, 1-4 pairwise interactions during hard collisions
special_bonds lj/coul 0 1 1
0 = max # of 1-2 neighbors
1 = max # of special neighbors
create_bonds many all all 1 1.0 1.5
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
2 neighbor lists, perpetual/occasional/extra = 1 1 0
(1) command create_bonds, occasional
attributes: full, newton on
pair build: full/bin
stencil: full/bin/2d
bin: standard
(2) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d/newton
bin: standard
Added 1014 bonds, new total = 1014
6 = max # of 1-2 neighbors
6 = max # of special neighbors
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 all nve
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi $x 1 1 2.5
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi 50 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi $y 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi 20 1 1 2.5
comm_style tiled
comm_modify cutoff 10.0 # because bonds stretch a long ways
fix 10 all balance 50 0.9 rcb
#compute 1 all property/atom proc
#variable p atom (c_1%10)+1
#dump 2 all custom 50 tmp.dump id v_p x y z
#dump 3 all image 50 image.*.jpg v_p type bond atom 0.25 # adiam 1.0 view 0 0 zoom 1.8 subbox yes 0.02
#variable colors string # "red green blue yellow white # purple pink orange lime gray"
#dump_modify 3 pad 5 amap 0 10 sa 1 10 ${colors}
thermo_style custom step temp epair press f_10[3] f_10
thermo 100
run 10000
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 10
binsize = 1.4, bins = 42 29 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 5.122 | 5.141 | 5.174 Mbytes
Step Temp E_pair Press f_10[3] f_10
0 25.701528 -2.2032569 3.1039469 3.2354571 1.0526316
100 27.623422 -6.228166 2.6542136 1.2631579 1.0083102
200 33.35302 -15.746749 3.2018248 1.2963989 1.0193906
300 39.17734 -24.1557 4.9116986 1.2963989 1.0193906
400 41.660701 -27.615203 8.6214679 1.3518006 1.0083102
500 37.154928 -24.096946 3.2656177 1.3296399 1.0304709
600 35.059873 -21.524223 2.3729526 1.3296399 1.0083102
700 36.735117 -22.012675 3.266197 1.3296399 1.0083102
800 39.218223 -25.076176 4.7162461 1.4182825 1.0193906
900 38.003628 -24.598176 3.4651756 1.4958449 1.0083102
1000 37.599298 -25.117714 4.6714491 1.2963989 1.0193906
1100 35.587211 -24.476201 4.8766816 1.2077562 1.0083102
1200 33.05745 -21.457847 4.7304313 1.2188366 1.0193906
1300 35.505899 -20.103017 7.0543469 1.1523546 1.0193906
1400 32.687958 -18.411286 2.8022421 1.1523546 1.0083102
1500 30.681103 -13.979491 1.5780815 1.1523546 1.0083102
1600 28.134276 -12.408217 1.4370834 1.2188366 1.0193906
1700 29.150676 -12.486223 1.7118526 1.1745152 1.0083102
1800 29.456937 -11.386522 2.0484739 1.1966759 1.0193906
1900 28.029998 -11.168436 0.38519481 1.1080332 1.0193906
2000 29.476997 -12.337678 1.8878345 1.1523546 1.0083102
2100 30.113294 -12.201714 2.8003366 1.1634349 1.0193906
2200 31.599067 -13.710787 2.5654923 1.2188366 1.0083102
2300 31.333799 -12.269386 1.9573739 1.1412742 1.0193906
2400 28.587094 -10.98229 2.090581 1.1745152 1.0083102
2500 28.012332 -11.416553 2.3293146 1.1855956 1.0083102
2600 28.703189 -13.33369 2.7247345 1.1080332 1.0083102
2700 26.933934 -13.546384 0.71447362 1.0415512 1.0304709
2800 24.556936 -12.231427 0.012081842 1.0526316 1.0193906
2900 24.362943 -10.921093 -0.6063159 1.0858726 1.0193906
3000 24.583358 -10.025143 0.35975315 1.0637119 1.0083102
3100 26.119046 -10.124317 0.75140102 1.0415512 1.0193906
3200 27.665317 -11.418452 0.39942176 1.1301939 1.0083102
3300 27.771434 -9.9777413 0.94693011 1.1080332 1.0083102
3400 25.692188 -9.9016885 2.2582772 1.0415512 1.0083102
3500 27.009276 -10.504438 0.98279258 1.1301939 1.0083102
3600 26.082843 -9.4359595 -0.030819747 1.1301939 1.0083102
3700 23.956851 -8.4601884 -0.45748969 1.0858726 1.0304709
3800 24.92141 -8.3315871 -0.19512647 1.0969529 1.0083102
3900 26.048044 -9.6299934 0.40522014 1.0858726 1.0083102
4000 26.558961 -10.032084 0.56213613 1.1745152 1.0083102
4100 26.949686 -10.133598 1.0140825 1.0747922 1.0083102
4200 25.868196 -9.3971859 1.2758465 1.0969529 1.0083102
4300 24.563369 -9.5992996 0.17389949 1.1191136 1.0193906
4400 24.032818 -10.002668 0.10233743 1.0969529 1.0083102
4500 25.281577 -9.948799 0.7590423 1.1523546 1.0083102
4600 25.010901 -10.195479 -0.24424931 1.0747922 1.0193906
4700 25.062368 -9.2973021 1.1755931 1.0858726 1.0193906
4800 25.70912 -8.890895 1.0780397 1.1080332 1.0193906
4900 26.027757 -10.205469 1.0644859 1.1080332 1.0083102
5000 25.845739 -9.8511049 0.49059257 1.1301939 1.0193906
5100 25.614064 -9.0396911 0.40825814 1.0526316 1.0304709
5200 25.548135 -9.000613 0.81571441 1.1080332 1.0083102
5300 26.592601 -9.2385129 1.4983434 1.0637119 1.0193906
5400 26.230779 -9.8226036 1.0072462 1.0858726 1.0083102
5500 26.809887 -9.9569954 1.4074968 1.0415512 1.0083102
5600 25.722206 -10.240487 -0.5216434 1.0747922 1.0193906
5700 24.973866 -9.0820997 0.92104357 1.0193906 1.0083102
5800 24.257134 -9.5439897 -0.75290789 1.0858726 1.0083102
5900 25.524917 -8.9920216 1.2049479 1.1191136 1.0083102
6000 24.816532 -9.5865764 -0.66634446 1.0637119 1.0193906
6100 27.034385 -9.4017037 1.0769494 1.0969529 1.0083102
6200 24.19144 -8.2292864 0.97913204 1.0415512 1.0193906
6300 26.112877 -9.1531212 0.77578963 1.0526316 1.0193906
6400 25.820541 -9.9662231 -0.092724413 1.0969529 1.0193906
6500 26.181404 -9.5875764 -0.30106405 1.1634349 1.0083102
6600 27.770851 -8.8366116 0.94545206 1.0304709 1.0193906
6700 26.065489 -9.8223382 0.24640067 1.0526316 1.0193906
6800 27.468165 -10.160923 2.7263738 1.0747922 1.0304709
6900 27.317955 -10.356911 1.131609 1.0526316 1.0304709
7000 26.343789 -9.9153453 1.0385354 1.0858726 1.0193906
7100 24.366577 -8.9243936 0.37685043 1.0526316 1.0193906
7200 25.570042 -8.9195237 0.44206575 1.0637119 1.0193906
7300 24.635046 -8.4524117 -0.20581694 1.0193906 1.0193906
7400 27.161863 -7.9885934 1.1323072 1.0858726 1.0193906
7500 26.8044 -9.5703931 0.69476535 1.0858726 1.0193906
7600 27.381006 -10.702178 -0.20230101 1.0526316 1.0083102
7700 26.507406 -9.828117 0.50115907 1.0415512 1.0193906
7800 25.945271 -8.9912842 0.89121191 1.0747922 1.0083102
7900 24.498681 -7.7193231 -0.63874494 1.0858726 1.0083102
8000 24.517408 -7.6046107 -0.91642337 1.0415512 1.0083102
8100 26.388387 -8.1883906 0.093136981 1.1080332 1.0193906
8200 26.261054 -8.7223732 -0.086859057 1.0747922 1.0083102
8300 26.287026 -9.2583895 0.79506804 1.0858726 1.0083102
8400 24.691375 -9.0701909 -0.40058151 1.0637119 1.0193906
8500 25.390612 -7.9499801 0.59874113 1.1412742 1.0193906
8600 26.84383 -8.5520984 0.37618599 1.0637119 1.0083102
8700 25.685137 -7.688836 0.035978149 1.0415512 1.0193906
8800 26.614591 -9.0444146 0.20671465 1.0193906 1.0083102
8900 25.782718 -8.2594705 0.54378816 1.0747922 1.0304709
9000 26.026886 -8.6777252 0.25418163 1.1191136 1.0083102
9100 27.246916 -9.0307861 1.211131 1.0526316 1.0193906
9200 27.282948 -9.180029 -0.0056269613 1.0747922 1.0083102
9300 27.029692 -8.7791461 0.35971649 1.0304709 1.0083102
9400 26.549013 -7.5083174 0.77607249 1.0969529 1.0193906
9500 25.533731 -9.2763668 0.28360762 1.0969529 1.0083102
9600 27.997538 -9.2766769 1.6968428 1.0637119 1.0083102
9700 26.977436 -9.21372 1.8007256 1.0637119 1.0083102
9800 25.547091 -9.1024445 -0.29158273 1.0969529 1.0193906
9900 26.378841 -8.7645665 1.0385835 1.1080332 1.0083102
10000 26.699368 -8.5450739 0.19591452 1.0526316 1.0193906
Loop time of 0.916576 on 4 procs for 10000 steps with 361 atoms
Performance: 4713193.307 tau/day, 10910.170 timesteps/s
92.2% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.10915 | 0.12374 | 0.14167 | 3.5 | 13.50
Bond | 0.047075 | 0.049849 | 0.054161 | 1.2 | 5.44
Neigh | 0.31176 | 0.3246 | 0.3384 | 1.7 | 35.41
Comm | 0.24271 | 0.26717 | 0.30549 | 4.9 | 29.15
Output | 0.0017068 | 0.0021075 | 0.0031145 | 1.3 | 0.23
Modify | 0.064639 | 0.065705 | 0.067641 | 0.5 | 7.17
Other | | 0.08341 | | | 9.10
Nlocal: 90.25 ave 92 max 89 min
Histogram: 1 0 0 2 0 0 0 0 0 1
Nghost: 248.25 ave 264 max 230 min
Histogram: 1 0 0 0 0 2 0 0 0 1
Neighs: 569.5 ave 657 max 519 min
Histogram: 2 0 0 0 1 0 0 0 0 1
Total # of neighbors = 2278
Ave neighs/atom = 6.31025
Ave special neighs/atom = 5.61773
Neighbor list builds = 4964
Dangerous builds = 14
Total wall time: 0:00:00

541
examples/balance/log.27Nov18.balance.bond.slow.g++.2
View File

@ -1,541 +0,0 @@
LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 2d circle of particles inside a box with LJ walls
variable b index 0
variable x index 50
variable y index 20
variable d index 20
# careful not to slam into wall too hard
variable v index 0.3
variable w index 0.08
units lj
dimension 2
atom_style bond
boundary f f p
lattice hex 0.85
Lattice spacing in x,y,z = 1.16553 2.01877 1.16553
region box block 0 $x 0 $y -0.5 0.5
region box block 0 50 0 $y -0.5 0.5
region box block 0 50 0 20 -0.5 0.5
create_box 1 box bond/types 1 extra/bond/per/atom 6
Created orthogonal box = (0 0 -0.582767) to (58.2767 40.3753 0.582767)
2 by 1 by 1 MPI processor grid
region circle sphere $(v_d/2+1) $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 10
create_atoms 1 region circle
Created 361 atoms
Time spent = 0.000762701 secs
mass 1 1.0
velocity all create 0.5 87287 loop geom
velocity all set $v $w 0 sum yes
velocity all set 0.3 $w 0 sum yes
velocity all set 0.3 0.08 0 sum yes
pair_style lj/cut 2.5
pair_coeff 1 1 10.0 1.0 2.5
bond_style harmonic
bond_coeff 1 10.0 1.2
create_bonds many all all 1 1.0 1.5
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
2 neighbor lists, perpetual/occasional/extra = 1 1 0
(1) command create_bonds, occasional
attributes: full, newton on
pair build: full/bin
stencil: full/bin/2d
bin: standard
(2) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d/newton
bin: standard
Added 1014 bonds, new total = 1014
6 = max # of 1-2 neighbors
30 = max # of 1-3 neighbors
180 = max # of 1-4 neighbors
36 = max # of special neighbors
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 all nve
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi $x 1 1 2.5
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi 50 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi $y 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi 20 1 1 2.5
comm_style tiled
fix 10 all balance 50 0.9 rcb
#compute 1 all property/atom proc
#variable p atom (c_1%10)+1
#dump 2 all custom 50 tmp.dump id v_p x y z
#dump 3 all image 200 image.*.jpg v_p type bond atom 0.25 # adiam 1.0 view 0 0 zoom 1.8 subbox yes 0.02
#variable colors string # "red green blue yellow white # purple pink orange lime gray"
#dump_modify 3 pad 5 amap 0 10 sa 1 10 ${colors}
thermo_style custom step temp epair press f_10[3] f_10
thermo 100
run 40000
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 7.079 | 7.108 | 7.137 Mbytes
Step Temp E_pair Press f_10[3] f_10
0 0.57437856 0 0.26099453 2 1.0193906
100 0.29756515 0 0.10149401 1.0027701 1.0027701
200 0.35394813 0 0.075159099 1.0027701 1.0083102
300 0.39245849 0 0.033002384 1.0027701 1.0027701
400 0.34078347 0 -0.020825841 1.0083102 1.0027701
500 0.35201095 0 -0.062637506 1.0027701 1.0027701
600 0.34014717 0 -0.11122965 1.0249307 1.0027701
700 0.3323524 0 -0.11598015 1.0083102 1.0027701
800 0.35116047 0 -0.096162395 1.0138504 1.0027701
900 0.35695352 0 -0.01385176 1.0249307 1.0027701
1000 0.36986539 0 0.056772858 1.0027701 1.0027701
1100 0.34584644 0 0.084941323 1.0138504 1.0027701
1200 0.31921435 0 0.10545078 1.0138504 1.0027701
1300 0.32952819 0 0.124902 1.0027701 1.0027701
1400 0.34497365 0 0.12662081 1.0138504 1.0027701
1500 0.33429243 0 0.096230972 1.0193906 1.0027701
1600 0.33765387 0 0.025800542 1.0193906 1.0027701
1700 0.35134464 0 -0.04422593 1.0083102 1.0027701
1800 0.35003859 0 -0.096745576 1.0083102 1.0083102
1900 0.33839618 0 -0.095465943 1.0027701 1.0027701
2000 0.33732078 0 -0.094652802 1.0027701 1.0027701
2100 0.34552238 0 -0.076729261 1.0083102 1.0027701
2200 0.34893142 0 -0.036853228 1.0083102 1.0083102
2300 0.35379341 0 0.021124847 1.0193906 1.0027701
2400 0.34829744 0 0.09230184 1.0027701 1.0027701
2500 0.33038141 0 0.1399855 1.0027701 1.0083102
2600 0.30983019 0 0.12754742 1.0083102 1.0027701
2700 0.32992561 0 0.10485138 1.0193906 1.0027701
2800 0.34604747 0 0.066174138 1.0083102 1.0027701
2900 0.3444791 0 0.036590652 1.0083102 1.0083102
3000 0.34721342 0 -0.023793368 1.0138504 1.0027701
3100 0.33404314 0 -0.08374223 1.0083102 1.0027701
3200 0.33019355 0 -0.12715599 1.0083102 1.0027701
3300 0.33515177 0 -0.12217394 1.0083102 1.0027701
3400 0.33628481 0 -0.070877624 1.0083102 1.0027701
3500 0.34257038 0 -0.021612062 1.0027701 1.0027701
3600 0.32838009 0 0.030131228 1.0027701 1.0027701
3700 0.34462142 0 0.074586378 1.0138504 1.0027701
3800 0.30891825 0 0.10605673 1.0138504 1.0027701
3900 0.33847951 0 0.13956139 1.0027701 1.0027701
4000 0.32952079 0 0.12688129 1.0027701 1.0027701
4100 0.32646772 0 0.081089042 1.0083102 1.0027701
4200 0.35399503 0 0.013422873 1.0027701 1.0027701
4300 0.33154914 0 -0.050919508 1.0027701 1.0083102
4400 0.34113556 0 -0.083171 1.0249307 1.0027701
4500 0.32651708 0 -0.1063133 1.0193906 1.0027701
4600 0.34359609 0 -0.1076395 1.0027701 1.0027701
4700 0.34973537 0 -0.088231606 1.0138504 1.0027701
4800 0.35198515 0 -0.020901044 1.0027701 1.0027701
4900 0.35187284 0 0.043645941 1.0193906 1.0027701
5000 0.34887336 0 0.095698609 1.0027701 1.0027701
5100 0.30308163 0 0.11649328 1.0138504 1.0027701
5200 0.32401285 0 0.12072411 1.0083102 1.0083102
5300 0.33025072 0 0.10933161 1.0138504 1.0027701
5400 0.33288012 0 0.078356448 1.0083102 1.0027701
5500 0.35142492 0 0.036958063 1.0027701 1.0027701
5600 0.35125368 0 -0.041371343 1.0193906 1.0027701
5700 0.34547744 0 -0.096450846 1.0193906 1.0027701
5800 0.30939887 0 -0.12356656 1.0027701 1.0083102
5900 0.32315628 0 -0.11338676 1.0083102 1.0027701
6000 0.34117485 0 -0.066198961 1.0027701 1.0027701
6100 0.35298043 0 -0.016172816 1.0138504 1.0027701
6200 0.35130653 0 0.027660468 1.0027701 1.0027701
6300 0.35398766 0 0.087221238 1.0027701 1.0027701
6400 0.30963379 0 0.11990957 1.0138504 1.0027701
6500 0.3174541 0 0.14103528 1.0083102 1.0083102
6600 0.31989791 0 0.11575506 1.0083102 1.0083102
6700 0.33811477 0 0.060747353 1.0083102 1.0083102
6800 0.3424043 0 0.010357152 1.0083102 1.0027701
6900 0.34804319 0 -0.042621786 1.0083102 1.0027701
7000 0.35357865 0 -0.067248959 1.0027701 1.0027701
7100 0.33556885 0 -0.10983726 1.0083102 1.0027701
7200 0.33531101 0 -0.112179 1.0027701 1.0027701
7300 0.35742607 0 -0.078405267 1.0083102 1.0027701
7400 0.34577559 0 -0.01985432 1.0027701 1.0083102
7500 0.3498641 0 0.052289439 1.0027701 1.0027701
7600 0.33773715 0 0.092939035 1.0027701 1.0027701
7700 0.33093497 0 0.11924405 1.0083102 1.0027701
7800 0.31435814 0 0.12701724 1.0027701 1.0027701
7900 0.33132217 0 0.10793075 1.0083102 1.0027701
8000 0.33451798 0 0.077993125 1.0027701 1.0027701
8100 0.35188371 0 0.019929977 1.0083102 1.0083102
8200 0.33645742 0 -0.039302079 1.0027701 1.0027701
8300 0.3415632 0 -0.098067982 1.0138504 1.0027701
8400 0.30619282 0 -0.12952879 1.0138504 1.0027701
8500 0.34446484 0 -0.098084709 1.0027701 1.0027701
8600 0.33761673 0 -0.07069818 1.0027701 1.0027701
8700 0.34495452 0 -0.022458056 1.0083102 1.0027701
8800 0.33502983 0 0.027742411 1.0027701 1.0027701
8900 0.35418591 0 0.092390134 1.0083102 1.0083102
9000 0.31648387 0 0.12467398 1.0083102 1.0027701
9100 0.33994825 0 0.14460327 1.0138504 1.0027701
9200 0.33822571 0 0.11273284 1.0027701 1.0027701
9300 0.33260773 0 0.060063671 1.0083102 1.0083102
9400 0.36140305 0 0.021427642 1.0138504 1.0027701
9500 0.34273562 0 -0.034064202 1.0083102 1.0027701
9600 0.33867054 0 -0.089076906 1.0138504 1.0027701
9700 0.32088235 0 -0.12027075 1.0138504 1.0083102
9800 0.3320823 0 -0.11602794 1.0138504 1.0027701
9900 0.33916442 0 -0.080281044 1.0083102 1.0027701
10000 0.34852268 0 -0.01000914 1.0083102 1.0083102
10100 0.32955942 0 0.04258493 1.0027701 1.0083102
10200 0.34487898 0 0.086971308 1.0083102 1.0027701
10300 0.32325593 0 0.11558149 1.0138504 1.0027701
10400 0.30927871 0 0.12239437 1.0027701 1.0027701
10500 0.33176799 0 0.12285937 1.0138504 1.0083102
10600 0.35120027 0 0.084897432 1.0027701 1.0027701
10700 0.33129697 0 0.0053089279 1.0138504 1.0027701
10800 0.36028769 0 -0.04280715 1.0083102 1.0027701
10900 0.35552287 0 -0.084955999 1.0138504 1.0027701
11000 0.3406024 0 -0.096554577 1.0027701 1.0027701
11100 0.33041202 0 -0.10703492 1.0138504 1.0027701
11200 0.32442686 0 -0.084328121 1.0193906 1.0027701
11300 0.35952468 0 -0.020191965 1.0083102 1.0027701
11400 0.34610624 0 0.03440148 1.0138504 1.0027701
11500 0.3415612 0 0.1041929 1.0027701 1.0027701
11600 0.34040042 0 0.13215705 1.0138504 1.0027701
11700 0.33555094 0 0.12738686 1.0193906 1.0027701
11800 0.3458647 0 0.10963398 1.0027701 1.0083102
11900 0.33836678 0 0.067253864 1.0138504 1.0027701
12000 0.34853314 0 0.03201448 1.0027701 1.0027701
12100 0.34600048 0 -0.034833402 1.0083102 1.0027701
12200 0.33145631 0 -0.09865675 1.0083102 1.0027701
12300 0.32848884 0 -0.1248489 1.0083102 1.0027701
12400 0.3321344 0 -0.11266575 1.0027701 1.0083102
12500 0.32622305 0 -0.061634993 1.0083102 1.0083102
12600 0.36213537 0 -0.0090593315 1.0138504 1.0027701
12700 0.34673866 0 0.036734645 1.0138504 1.0027701
12800 0.34606618 0 0.086267678 1.0138504 1.0027701
12900 0.34271431 0 0.12415522 1.0027701 1.0027701
13000 0.31993287 0 0.13879926 1.0027701 1.0083102
13100 0.3422918 0 0.11978905 1.0083102 1.0027701
13200 0.33055236 0 0.062620483 1.0083102 1.0027701
13300 0.34652207 0 0.0043833459 1.0138504 1.0027701
13400 0.33574661 0 -0.04691024 1.0027701 1.0027701
13500 0.33940837 0 -0.074241604 1.0027701 1.0083102
13600 0.32093414 0 -0.1078027 1.0138504 1.0083102
13700 0.34336597 0 -0.10544097 1.0027701 1.0027701
13800 0.35806461 0 -0.072531559 1.0027701 1.0027701
13900 0.35209713 0 -0.018851408 1.0083102 1.0083102
14000 0.35702629 0 0.061046366 1.0027701 1.0027701
14100 0.33234093 0 0.094086465 1.0027701 1.0027701
14200 0.3459466 0 0.12186656 1.0027701 1.0027701
14300 0.3327428 0 0.11396572 1.0027701 1.0027701
14400 0.32409443 0 0.10658903 1.0083102 1.0083102
14500 0.35022184 0 0.083558031 1.0083102 1.0083102
14600 0.34823843 0 0.024605569 1.0083102 1.0083102
14700 0.35298973 0 -0.040418888 1.0027701 1.0027701
14800 0.33679845 0 -0.10067728 1.0027701 1.0027701
14900 0.32790966 0 -0.10925568 1.0083102 1.0027701
15000 0.34208495 0 -0.09568004 1.0193906 1.0027701
15100 0.33647529 0 -0.055652929 1.0027701 1.0027701
15200 0.35328398 0 -0.020236536 1.0083102 1.0027701
15300 0.34252669 0 0.026434179 1.0083102 1.0027701
15400 0.34409435 0 0.094410599 1.0027701 1.0027701
15500 0.32288994 0 0.12034455 1.0083102 1.0027701
15600 0.32109689 0 0.13645185 1.0083102 1.0027701
15700 0.33681572 0 0.098607746 1.0083102 1.0027701
15800 0.33635195 0 0.05570715 1.0083102 1.0083102
15900 0.34289757 0 0.013849092 1.0083102 1.0027701
16000 0.34225547 0 -0.035597548 1.0193906 1.0027701
16100 0.33660991 0 -0.076931881 1.0027701 1.0027701
16200 0.32802152 0 -0.12765884 1.0083102 1.0027701
16300 0.3469374 0 -0.10785455 1.0083102 1.0083102
16400 0.34053641 0 -0.070259853 1.0027701 1.0027701
16500 0.34610591 0 -0.014315306 1.0083102 1.0027701
16600 0.35109001 0 0.041251169 1.0138504 1.0027701
16700 0.34336905 0 0.077996627 1.0193906 1.0027701
16800 0.33277414 0 0.11053634 1.0027701 1.0083102
16900 0.32183338 0 0.11680626 1.0027701 1.0027701
17000 0.34044352 0 0.10806555 1.0138504 1.0027701
17100 0.32967873 0 0.067759786 1.0138504 1.0027701
17200 0.36172278 0 -0.0048631904 1.0083102 1.0083102
17300 0.35619435 0 -0.04215545 1.0027701 1.0027701
17400 0.34540936 0 -0.093994174 1.0083102 1.0027701
17500 0.33193585 0 -0.098831315 1.0083102 1.0027701
17600 0.3544756 0 -0.085660403 1.0083102 1.0083102
17700 0.34505209 0 -0.069640515 1.0193906 1.0083102
17800 0.36291124 0 -0.0063088133 1.0027701 1.0027701
17900 0.34255705 0 0.046794555 1.0027701 1.0027701
18000 0.34163238 0 0.11767705 1.0138504 1.0027701
18100 0.3466445 0 0.1351712 1.0193906 1.0083102
18200 0.33037668 0 0.12703659 1.0027701 1.0027701
18300 0.33677404 0 0.10956306 1.0027701 1.0083102
18400 0.34978954 0 0.087193072 1.0027701 1.0027701
18500 0.33354363 0 0.051095814 1.0138504 1.0027701
18600 0.34651729 0 0.0056245561 1.0027701 1.0027701
18700 0.32622232 0 -0.047319269 1.0027701 1.0083102
18800 0.32978847 0 -0.054929416 1.0138504 1.0027701
18900 0.34192451 0 -0.037252471 1.0027701 1.0027701
19000 0.34061294 0 -0.001167235 1.0083102 1.0027701
19100 0.34194478 0 0.016945224 1.0083102 1.0027701
19200 0.33321765 0 0.050665354 1.0193906 1.0027701
19300 0.33197783 0 0.080470585 1.0138504 1.0027701
19400 0.33284715 0 0.12423599 1.0193906 1.0027701
19500 0.33867856 0 0.12689524 1.0027701 1.0027701
19600 0.36092786 0 0.11417704 1.0027701 1.0027701
19700 0.34270183 0 0.069038291 1.0249307 1.0083102
19800 0.34880695 0 0.042483681 1.0083102 1.0083102
19900 0.33903644 0 0.034788638 1.0027701 1.0027701
20000 0.32590125 0 0.011383785 1.0083102 1.0083102
20100 0.30358859 0 0.0030743554 1.0138504 1.0027701
20200 0.31830224 0 0.017637826 1.0027701 1.0027701
20300 0.34195438 0 0.072811099 1.0193906 1.0083102
20400 0.31249563 0 0.10063541 1.0083102 1.0027701
20500 0.31544938 0 0.1405794 1.0027701 1.0027701
20600 0.30071644 0 0.12763486 1.0027701 1.0027701
20700 0.2890265 0 0.1136651 1.0083102 1.0027701
20800 0.28962296 0 0.094481978 1.0083102 1.0027701
20900 0.29447212 0 0.0967165 1.0138504 1.0083102
21000 0.31159961 0 0.067307231 1.0027701 1.0027701
21100 0.30490648 0 0.017689358 1.0027701 1.0083102
21200 0.30687262 0 -0.016055512 1.0027701 1.0083102
21300 0.30083286 0 -0.0014988997 1.0083102 1.0027701
21400 0.32070426 0 0.015960302 1.0083102 1.0083102
21500 0.31439311 0 0.038170385 1.0083102 1.0083102
21600 0.32617832 0 0.043263788 1.0083102 1.0027701
21700 0.35151793 0 0.066302727 1.0083102 1.0083102
21800 0.35912885 0 0.070099103 1.0027701 1.0027701
21900 0.32451958 0 0.068935768 1.0083102 1.0027701
22000 0.35219298 0 0.067161227 1.0138504 1.0083102
22100 0.34857705 0 0.032731746 1.0138504 1.0027701
22200 0.34750227 0 0.0056917695 1.0027701 1.0027701
22300 0.34766017 0 -0.0027090483 1.0027701 1.0083102
22400 0.33426062 0 -0.023196063 1.0027701 1.0083102
22500 0.34174625 0 -0.025019717 1.0083102 1.0027701
22600 0.3356145 0 -0.029707418 1.0138504 1.0027701
22700 0.3362653 0 -0.035815733 1.0083102 1.0027701
22800 0.33973405 0 -0.0024705835 1.0193906 1.0027701
22900 0.33813085 0 0.0077527467 1.0027701 1.0027701
23000 0.33339981 0 0.028340744 1.0027701 1.0027701
23100 0.34079832 0 0.018521302 1.0249307 1.0027701
23200 0.33074548 0 0.032378405 1.0138504 1.0083102
23300 0.32965664 0 0.035989589 1.0138504 1.0027701
23400 0.30927749 0 0.024581106 1.0083102 1.0027701
23500 0.32890632 0 0.01092479 1.0138504 1.0083102
23600 0.34137438 0 0.0094839745 1.0083102 1.0027701
23700 0.34512638 0 -0.012392771 1.0138504 1.0027701
23800 0.31781354 0 -0.012908449 1.0027701 1.0027701
23900 0.32405513 0 -0.015018071 1.0027701 1.0027701
24000 0.33549728 0 -0.012812915 1.0083102 1.0083102
24100 0.31368736 0 -0.020818372 1.0027701 1.0027701
24200 0.33533836 0 0.0056121057 1.0027701 1.0027701
24300 0.32530627 0 0.018183931 1.0249307 1.0027701
24400 0.31930662 0 0.027446878 1.0027701 1.0083102
24500 0.33540302 0 0.040307455 1.0193906 1.0027701
24600 0.34020431 0 0.027403921 1.0027701 1.0027701
24700 0.3291814 0 0.01204865 1.0083102 1.0027701
24800 0.31552604 0 0.019654111 1.0083102 1.0083102
24900 0.34727253 0 0.01670543 1.0027701 1.0027701
25000 0.35120105 0 0.0038617562 1.0083102 1.0027701
25100 0.32706871 0 -0.021196623 1.0193906 1.0083102
25200 0.32915282 0 -0.017146508 1.0083102 1.0027701
25300 0.32577518 0 -0.01312495 1.0083102 1.0027701
25400 0.33286855 0 0.0014726193 1.0138504 1.0027701
25500 0.33002601 0 0.0080974022 1.0083102 1.0027701
25600 0.34127655 0 0.014296091 1.0138504 1.0083102
25700 0.34048065 0 0.022513032 1.0083102 1.0027701
25800 0.33029079 0 0.038733531 1.0138504 1.0027701
25900 0.33031324 0 0.026156982 1.0027701 1.0027701
26000 0.32967371 0 0.028727383 1.0027701 1.0083102
26100 0.33775718 0 0.015607478 1.0027701 1.0083102
26200 0.35097144 0 0.012291703 1.0027701 1.0027701
26300 0.34303792 0 0.00094823191 1.0027701 1.0083102
26400 0.33632665 0 -0.0026904889 1.0027701 1.0083102
26500 0.33580127 0 -0.0074168555 1.0138504 1.0083102
26600 0.33063188 0 -0.020378601 1.0027701 1.0083102
26700 0.33581846 0 -0.00084397268 1.0027701 1.0027701
26800 0.32998532 0 0.015932208 1.0083102 1.0083102
26900 0.33825444 0 0.010428603 1.0193906 1.0027701
27000 0.32081518 0 0.019818223 1.0083102 1.0083102
27100 0.31448098 0 0.020093416 1.0027701 1.0027701
27200 0.32643684 0 0.021934917 1.0083102 1.0027701
27300 0.33289466 0 0.023713072 1.0138504 1.0083102
27400 0.32310744 0 0.024110945 1.0193906 1.0027701
27500 0.33115619 0 0.0025776713 1.0193906 1.0027701
27600 0.33295887 0 -0.010710764 1.0083102 1.0083102
27700 0.32968876 0 -0.0064595905 1.0083102 1.0027701
27800 0.34064581 0 -0.0086519116 1.0027701 1.0027701
27900 0.33559187 0 -0.0055753593 1.0249307 1.0027701
28000 0.32300727 0 -0.0004153384 1.0138504 1.0027701
28100 0.32147461 0 -0.0058543412 1.0083102 1.0083102
28200 0.35532383 0 0.013646951 1.0083102 1.0083102
28300 0.31507942 0 0.026532255 1.0083102 1.0027701
28400 0.32711006 0 0.033214981 1.0083102 1.0027701
28500 0.34472462 0 0.028050837 1.0027701 1.0027701
28600 0.33708059 0 0.019115676 1.0027701 1.0027701
28700 0.34478087 0 0.023743689 1.0193906 1.0027701
28800 0.34546686 0 0.0081772997 1.0083102 1.0027701
28900 0.34004886 0 0.017771865 1.0138504 1.0027701
29000 0.33604232 0 -0.010505671 1.0027701 1.0027701
29100 0.33541374 0 -0.016273261 1.0027701 1.0027701
29200 0.34347489 0 -0.010002306 1.0083102 1.0027701
29300 0.34083904 0 0.0089701784 1.0083102 1.0027701
29400 0.34846892 0 0.020765104 1.0027701 1.0027701
29500 0.3416255 0 0.022650856 1.0083102 1.0027701
29600 0.33725496 0 0.020693083 1.0027701 1.0027701
29700 0.34480638 0 0.024317128 1.0138504 1.0027701
29800 0.31459471 0 0.023097895 1.0027701 1.0027701
29900 0.33014448 0 0.03114046 1.0138504 1.0027701
30000 0.33741498 0 0.015624314 1.0083102 1.0027701
30100 0.32598657 0 -0.0018860541 1.0138504 1.0027701
30200 0.34855815 0 0.0017983372 1.0027701 1.0027701
30300 0.33375921 0 0.0010991235 1.0083102 1.0083102
30400 0.35008944 0 -0.0027316177 1.0027701 1.0027701
30500 0.33279729 0 -0.0035788551 1.0027701 1.0027701
30600 0.33868746 0 -0.0016249482 1.0027701 1.0027701
30700 0.33597034 0 -0.0014524001 1.0193906 1.0083102
30800 0.3227257 0 0.016353457 1.0193906 1.0027701
30900 0.32676516 0 0.027396654 1.0027701 1.0027701
31000 0.34083982 0 0.031606413 1.0138504 1.0083102
31100 0.32165238 0 0.013583368 1.0027701 1.0027701
31200 0.3428492 0 0.020486611 1.0138504 1.0027701
31300 0.32372541 0 0.01215566 1.0027701 1.0027701
31400 0.32734692 0 0.016229397 1.0083102 1.0027701
31500 0.33089262 0 0.0060426618 1.0027701 1.0027701
31600 0.34273493 0 -0.013456537 1.0083102 1.0083102
31700 0.32723905 0 -0.019243766 1.0027701 1.0027701
31800 0.33636488 0 0.0027814902 1.0027701 1.0083102
31900 0.32834805 0 0.00706877 1.0083102 1.0027701
32000 0.33995148 0 0.0018383309 1.0083102 1.0083102
32100 0.33412282 0 0.0076455933 1.0027701 1.0083102
32200 0.34334884 0 0.023586129 1.0083102 1.0027701
32300 0.32778925 0 0.020564321 1.0193906 1.0083102
32400 0.33163443 0 0.038878463 1.0083102 1.0027701
32500 0.32290345 0 0.022247461 1.0027701 1.0027701
32600 0.34113954 0 0.010966365 1.0138504 1.0027701
32700 0.33390633 0 0.0037777555 1.0083102 1.0083102
32800 0.34385341 0 0.010556575 1.0138504 1.0083102
32900 0.32137047 0 0.00022027143 1.0138504 1.0027701
33000 0.32079172 0 -0.017261272 1.0083102 1.0027701
33100 0.33570882 0 -0.0051942206 1.0027701 1.0027701
33200 0.34320894 0 -0.011515281 1.0138504 1.0027701
33300 0.32794746 0 -0.0018153673 1.0027701 1.0027701
33400 0.33060982 0 0.027118146 1.0027701 1.0027701
33500 0.33641809 0 0.02143035 1.0083102 1.0027701
33600 0.33643061 0 0.020833068 1.0083102 1.0027701
33700 0.3485949 0 0.030918751 1.0083102 1.0027701
33800 0.3283985 0 0.01947613 1.0193906 1.0027701
33900 0.31959761 0 0.021128147 1.0027701 1.0027701
34000 0.33897984 0 0.015270986 1.0027701 1.0083102
34100 0.32392267 0 0.0020130852 1.0083102 1.0027701
34200 0.33084514 0 -0.024316708 1.0027701 1.0027701
34300 0.3342259 0 -0.0059047764 1.0138504 1.0027701
34400 0.33385098 0 0.0063818721 1.0027701 1.0027701
34500 0.33255603 0 -0.01023837 1.0027701 1.0083102
34600 0.34766173 0 0.0056703013 1.0083102 1.0027701
34700 0.339822 0 0.0061648559 1.0083102 1.0027701
34800 0.33902329 0 0.030037037 1.0027701 1.0083102
34900 0.3216153 0 0.027996689 1.0027701 1.0027701
35000 0.32701056 0 0.024778517 1.0083102 1.0027701
35100 0.3124942 0 0.011316548 1.0027701 1.0027701
35200 0.34486416 0 0.011670127 1.0027701 1.0027701
35300 0.33275353 0 0.020491246 1.0027701 1.0027701
35400 0.33618763 0 0.014678874 1.0083102 1.0027701
35500 0.32352282 0 -0.018568683 1.0027701 1.0027701
35600 0.32617903 0 -0.012796912 1.0083102 1.0027701
35700 0.32378048 0 -0.021318585 1.0027701 1.0083102
35800 0.3371086 0 -0.0023678632 1.0027701 1.0083102
35900 0.33818476 0 0.011197742 1.0083102 1.0027701
36000 0.35142144 0 0.022520935 1.0083102 1.0027701
36100 0.35147297 0 0.020277852 1.0083102 1.0027701
36200 0.33489465 0 0.014564878 1.0193906 1.0027701
36300 0.33841515 0 0.036439962 1.0027701 1.0027701
36400 0.32301096 0 0.019966746 1.0027701 1.0027701
36500 0.35612028 0 0.036509556 1.0027701 1.0027701
36600 0.33841597 0 -0.0042180605 1.0083102 1.0083102
36700 0.34477654 0 -0.0052770853 1.0193906 1.0083102
36800 0.33804317 0 -0.013751733 1.0027701 1.0027701
36900 0.35003816 0 -0.0021184393 1.0027701 1.0027701
37000 0.32965041 0 -0.020900951 1.0083102 1.0027701
37100 0.34653095 0 -0.013667977 1.0027701 1.0027701
37200 0.35019871 0 -0.0071740923 1.0027701 1.0027701
37300 0.34859745 0 0.02006041 1.0138504 1.0027701
37400 0.35739859 0 0.020892822 1.0083102 1.0027701
37500 0.34128859 0 0.041072111 1.0083102 1.0083102
37600 0.33781905 0 0.023376738 1.0083102 1.0083102
37700 0.32961874 0 0.030953741 1.0138504 1.0027701
37800 0.343987 0 0.029579795 1.0083102 1.0027701
37900 0.33610448 0 0.036836828 1.0138504 1.0027701
38000 0.32757228 0 0.020902031 1.0027701 1.0027701
38100 0.32735808 0 0.019544751 1.0138504 1.0083102
38200 0.35646953 0 0.044607528 1.0027701 1.0083102
38300 0.32509773 0 0.03610738 1.0138504 1.0027701
38400 0.32111741 0 0.034474043 1.0083102 1.0083102
38500 0.30590608 0 0.053461212 1.0083102 1.0027701
38600 0.32322402 0 0.053453832 1.0138504 1.0083102
38700 0.33843057 0 0.076264534 1.0027701 1.0027701
38800 0.31350741 0 0.064733869 1.0083102 1.0027701
38900 0.31943061 0 0.067836769 1.0083102 1.0027701
39000 0.33775583 0 0.0788316 1.0083102 1.0083102
39100 0.34256036 0 0.075874935 1.0027701 1.0027701
39200 0.33128527 0 0.071610976 1.0193906 1.0027701
39300 0.34519653 0 0.046257301 1.0083102 1.0083102
39400 0.34351844 0 0.052422917 1.0027701 1.0027701
39500 0.35716037 0 0.048916058 1.0083102 1.0027701
39600 0.34000737 0 0.016149089 1.0083102 1.0027701
39700 0.34587892 0 0.021619621 1.0083102 1.0083102
39800 0.34878036 0 0.0092881327 1.0083102 1.0027701
39900 0.35225411 0 -0.011341599 1.0083102 1.0027701
40000 0.36309266 0 0.0050869295 1.0304709 1.0027701
Loop time of 1.30389 on 2 procs for 40000 steps with 361 atoms
Performance: 13252650.572 tau/day, 30677.432 timesteps/s
97.6% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.041365 | 0.041785 | 0.042204 | 0.2 | 3.20
Bond | 0.35501 | 0.37082 | 0.38664 | 2.6 | 28.44
Neigh | 0.30901 | 0.31013 | 0.31125 | 0.2 | 23.78
Comm | 0.12939 | 0.15871 | 0.18803 | 7.4 | 12.17
Output | 0.00489 | 0.005671 | 0.0064521 | 1.0 | 0.43
Modify | 0.28208 | 0.28362 | 0.28516 | 0.3 | 21.75
Other | | 0.1332 | | | 10.21
Nlocal: 180.5 ave 181 max 180 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 52.5 ave 53 max 52 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 0 ave 0 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 0
Total # of neighbors = 0
Ave neighs/atom = 0
Ave special neighs/atom = 31.0249
Neighbor list builds = 3079
Dangerous builds = 0
Total wall time: 0:00:01

541
examples/balance/log.27Nov18.balance.bond.slow.g++.4
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@ -1,541 +0,0 @@
LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 2d circle of particles inside a box with LJ walls
variable b index 0
variable x index 50
variable y index 20
variable d index 20
# careful not to slam into wall too hard
variable v index 0.3
variable w index 0.08
units lj
dimension 2
atom_style bond
boundary f f p
lattice hex 0.85
Lattice spacing in x,y,z = 1.16553 2.01877 1.16553
region box block 0 $x 0 $y -0.5 0.5
region box block 0 50 0 $y -0.5 0.5
region box block 0 50 0 20 -0.5 0.5
create_box 1 box bond/types 1 extra/bond/per/atom 6
Created orthogonal box = (0 0 -0.582767) to (58.2767 40.3753 0.582767)
2 by 2 by 1 MPI processor grid
region circle sphere $(v_d/2+1) $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 10
create_atoms 1 region circle
Created 361 atoms
Time spent = 0.000665188 secs
mass 1 1.0
velocity all create 0.5 87287 loop geom
velocity all set $v $w 0 sum yes
velocity all set 0.3 $w 0 sum yes
velocity all set 0.3 0.08 0 sum yes
pair_style lj/cut 2.5
pair_coeff 1 1 10.0 1.0 2.5
bond_style harmonic
bond_coeff 1 10.0 1.2
create_bonds many all all 1 1.0 1.5
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
2 neighbor lists, perpetual/occasional/extra = 1 1 0
(1) command create_bonds, occasional
attributes: full, newton on
pair build: full/bin
stencil: full/bin/2d
bin: standard
(2) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d/newton
bin: standard
Added 1014 bonds, new total = 1014
6 = max # of 1-2 neighbors
30 = max # of 1-3 neighbors
180 = max # of 1-4 neighbors
36 = max # of special neighbors
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 all nve
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi $x 1 1 2.5
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi 50 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi $y 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi 20 1 1 2.5
comm_style tiled
fix 10 all balance 50 0.9 rcb
#compute 1 all property/atom proc
#variable p atom (c_1%10)+1
#dump 2 all custom 50 tmp.dump id v_p x y z
#dump 3 all image 200 image.*.jpg v_p type bond atom 0.25 # adiam 1.0 view 0 0 zoom 1.8 subbox yes 0.02
#variable colors string # "red green blue yellow white # purple pink orange lime gray"
#dump_modify 3 pad 5 amap 0 10 sa 1 10 ${colors}
thermo_style custom step temp epair press f_10[3] f_10
thermo 100
run 40000
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 7.02 | 7.048 | 7.096 Mbytes
Step Temp E_pair Press f_10[3] f_10
0 0.57437856 0 0.26099453 3.2354571 1.0526316
100 0.29756515 0 0.10149401 1.0193906 1.0083102
200 0.35394813 0 0.075159099 1.0304709 1.0193906
300 0.39245849 0 0.033002384 1.0083102 1.0193906
400 0.34078347 0 -0.020825841 1.0304709 1.0083102
500 0.35201095 0 -0.062637506 1.0193906 1.0083102
600 0.34014717 0 -0.11122965 1.0415512 1.0083102
700 0.3323524 0 -0.11598015 1.0193906 1.0083102
800 0.35116047 0 -0.096162395 1.0193906 1.0193906
900 0.35695352 0 -0.01385176 1.0526316 1.0193906
1000 0.36986539 0 0.056772858 1.0083102 1.0083102
1100 0.34584644 0 0.084941323 1.0304709 1.0083102
1200 0.31921435 0 0.10545078 1.0415512 1.0083102
1300 0.32952819 0 0.124902 1.0083102 1.0193906
1400 0.34497365 0 0.12662081 1.0193906 1.0083102
1500 0.33429243 0 0.096230972 1.0193906 1.0193906
1600 0.33765387 0 0.025800542 1.0304709 1.0083102
1700 0.35134464 0 -0.04422593 1.0415512 1.0083102
1800 0.35003859 0 -0.096745576 1.0304709 1.0083102
1900 0.33839618 0 -0.095465943 1.0193906 1.0083102
2000 0.33732078 0 -0.094652802 1.0083102 1.0083102
2100 0.34552238 0 -0.076729261 1.0304709 1.0083102
2200 0.34893142 0 -0.036853228 1.0304709 1.0083102
2300 0.35379341 0 0.021124847 1.0304709 1.0193906
2400 0.34829744 0 0.09230184 1.0304709 1.0083102
2500 0.33038141 0 0.1399855 1.0193906 1.0193906
2600 0.30983019 0 0.12754742 1.0083102 1.0083102
2700 0.32992561 0 0.10485138 1.0415512 1.0083102
2800 0.34604747 0 0.066174138 1.0083102 1.0083102
2900 0.3444791 0 0.036590652 1.0193906 1.0193906
3000 0.34721342 0 -0.023793368 1.0193906 1.0193906
3100 0.33404314 0 -0.08374223 1.0415512 1.0083102
3200 0.33019355 0 -0.12715599 1.0083102 1.0304709
3300 0.33515177 0 -0.12217394 1.0193906 1.0083102
3400 0.33628481 0 -0.070877624 1.0193906 1.0083102
3500 0.34257038 0 -0.021612062 1.0304709 1.0083102
3600 0.32838009 0 0.030131228 1.0083102 1.0083102
3700 0.34462142 0 0.074586378 1.0526316 1.0193906
3800 0.30891825 0 0.10605673 1.0304709 1.0083102
3900 0.33847951 0 0.13956139 1.0083102 1.0083102
4000 0.32952079 0 0.12688129 1.0193906 1.0304709
4100 0.32646772 0 0.081089042 1.0304709 1.0193906
4200 0.35399503 0 0.013422873 1.0083102 1.0083102
4300 0.33154914 0 -0.050919508 1.0193906 1.0193906
4400 0.34113556 0 -0.083171 1.0304709 1.0083102
4500 0.32651708 0 -0.1063133 1.0304709 1.0083102
4600 0.34359609 0 -0.1076395 1.0083102 1.0083102
4700 0.34973537 0 -0.088231606 1.0415512 1.0083102
4800 0.35198515 0 -0.020901044 1.0415512 1.0083102
4900 0.35187284 0 0.043645941 1.0415512 1.0083102
5000 0.34887336 0 0.095698609 1.0193906 1.0083102
5100 0.30308163 0 0.11649328 1.0193906 1.0083102
5200 0.32401285 0 0.12072411 1.0193906 1.0083102
5300 0.33025072 0 0.10933161 1.0193906 1.0083102
5400 0.33288012 0 0.078356448 1.0083102 1.0193906
5500 0.35142492 0 0.036958063 1.0193906 1.0083102
5600 0.35125368 0 -0.041371343 1.0304709 1.0083102
5700 0.34547744 0 -0.096450846 1.0637119 1.0083102
5800 0.30939887 0 -0.12356656 1.0083102 1.0193906
5900 0.32315628 0 -0.11338676 1.0193906 1.0193906
6000 0.34117485 0 -0.066198961 1.0193906 1.0083102
6100 0.35298043 0 -0.016172816 1.0304709 1.0193906
6200 0.35130653 0 0.027660468 1.0415512 1.0083102
6300 0.35398766 0 0.087221238 1.0083102 1.0083102
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36900 0.35003816 0 -0.0021184393 1.0083102 1.0083102
37000 0.32965041 0 -0.020900951 1.0193906 1.0083102
37100 0.34653095 0 -0.013667977 1.0193906 1.0083102
37200 0.35019871 0 -0.0071740923 1.0193906 1.0304709
37300 0.34859745 0 0.02006041 1.0304709 1.0083102
37400 0.35739859 0 0.020892822 1.0304709 1.0083102
37500 0.34128859 0 0.041072111 1.0193906 1.0193906
37600 0.33781905 0 0.023376738 1.0193906 1.0083102
37700 0.32961874 0 0.030953741 1.0193906 1.0083102
37800 0.343987 0 0.029579795 1.0083102 1.0083102
37900 0.33610448 0 0.036836828 1.0415512 1.0304709
38000 0.32757228 0 0.020902031 1.0193906 1.0193906
38100 0.32735808 0 0.019544751 1.0193906 1.0083102
38200 0.35646953 0 0.044607528 1.0083102 1.0304709
38300 0.32509773 0 0.03610738 1.0193906 1.0083102
38400 0.32111741 0 0.034474043 1.0193906 1.0193906
38500 0.30590608 0 0.053461212 1.0304709 1.0083102
38600 0.32322402 0 0.053453832 1.0193906 1.0304709
38700 0.33843057 0 0.076264534 1.0083102 1.0193906
38800 0.31350741 0 0.064733869 1.0415512 1.0083102
38900 0.31943061 0 0.067836769 1.0304709 1.0193906
39000 0.33775583 0 0.0788316 1.0193906 1.0193906
39100 0.34256036 0 0.075874935 1.0083102 1.0193906
39200 0.33128527 0 0.071610976 1.0193906 1.0083102
39300 0.34519653 0 0.046257301 1.0193906 1.0083102
39400 0.34351844 0 0.052422917 1.0304709 1.0304709
39500 0.35716037 0 0.048916058 1.0304709 1.0083102
39600 0.34000737 0 0.016149089 1.0304709 1.0083102
39700 0.34587892 0 0.021619621 1.0526316 1.0083102
39800 0.34878036 0 0.0092881327 1.0083102 1.0193906
39900 0.35225411 0 -0.011341599 1.0083102 1.0193906
40000 0.36309266 0 0.0050869295 1.0304709 1.0083102
Loop time of 1.12306 on 4 procs for 40000 steps with 361 atoms
Performance: 15386559.518 tau/day, 35617.036 timesteps/s
90.9% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.023094 | 0.023348 | 0.023582 | 0.1 | 2.08
Bond | 0.17827 | 0.19268 | 0.21984 | 3.7 | 17.16
Neigh | 0.18144 | 0.18231 | 0.18323 | 0.1 | 16.23
Comm | 0.23759 | 0.28095 | 0.30794 | 5.0 | 25.02
Output | 0.0062952 | 0.013342 | 0.034226 | 10.4 | 1.19
Modify | 0.2379 | 0.24327 | 0.25076 | 0.9 | 21.66
Other | | 0.1871 | | | 16.66
Nlocal: 90.25 ave 91 max 89 min
Histogram: 1 0 0 0 0 1 0 0 0 2
Nghost: 59.25 ave 61 max 56 min
Histogram: 1 0 0 0 0 0 0 0 2 1
Neighs: 0 ave 0 max 0 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Total # of neighbors = 0
Ave neighs/atom = 0
Ave special neighs/atom = 31.0249
Neighbor list builds = 3079
Dangerous builds = 0
Total wall time: 0:00:01

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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000549078 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
fix p all property/atom d_WEIGHT
compute p all property/atom d_WEIGHT
fix 0 all balance 50 1.0 shift x 10 1.0 weight time 1.0 weight store WEIGHT
variable maximb equal f_0[1]
variable iter equal f_0[2]
variable prev equal f_0[3]
variable final equal f_0
#fix 3 all print 50 "${iter} ${prev} ${final} ${maximb}"
fix 1 all nve
#dump id all atom 50 dump.melt
#dump id all custom 50 dump.lammpstrj id type x y z c_p
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 500
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 4.562 | 4.753 | 4.944 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137
50 0.49578514 -6.1929216 0 -5.4494298 -1.6668039 4738.2137
100 0.53275389 -6.2475932 0 -5.4486622 -1.9063885 4738.2137
150 0.53316457 -6.2483202 0 -5.4487733 -1.9476162 4738.2137
200 0.536665 -6.2530113 0 -5.448215 -1.933468 4738.2137
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847 4738.2137
300 0.55111476 -6.2727642 0 -5.4462987 -2.0384873 4738.2137
350 0.55211503 -6.274054 0 -5.4460885 -2.0116976 4738.2137
400 0.54638463 -6.2661715 0 -5.4467995 -1.992248 4738.2137
450 0.55885307 -6.2852263 0 -5.4471563 -2.0669747 4738.2137
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802 4738.2137
Loop time of 3.7099 on 2 procs for 500 steps with 4000 atoms
Performance: 58222.644 tau/day, 134.775 timesteps/s
99.2% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 2.5145 | 2.5951 | 2.6756 | 5.0 | 69.95
Neigh | 0.8388 | 0.88634 | 0.93387 | 5.0 | 23.89
Comm | 0.17027 | 0.20258 | 0.23489 | 7.2 | 5.46
Output | 0.00029612 | 0.00032723 | 0.00035834 | 0.0 | 0.01
Modify | 0.016136 | 0.017057 | 0.017979 | 0.7 | 0.46
Other | | 0.008504 | | | 0.23
Nlocal: 2000 ave 2157 max 1843 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10465.5 ave 10840 max 10091 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 298070 ave 305706 max 290433 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 596139
Ave neighs/atom = 149.035
Neighbor list builds = 51
Dangerous builds = 0
run 500
Per MPI rank memory allocation (min/avg/max) = 4.944 | 4.947 | 4.951 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802 4738.2137
550 0.54137926 -6.2592773 0 -5.4474115 -1.9770236 4738.2137
600 0.54022886 -6.2573307 0 -5.44719 -1.9619637 4738.2137
650 0.54709009 -6.2678862 0 -5.4474562 -1.9958342 4738.2137
700 0.54590044 -6.2656903 0 -5.4470444 -1.9957108 4738.2137
750 0.55098488 -6.2724831 0 -5.4462124 -2.0287523 4738.2137
800 0.5520987 -6.2739184 0 -5.4459774 -2.0084991 4738.2137
850 0.54963958 -6.2702473 0 -5.445994 -1.9740031 4738.2137
900 0.54390586 -6.2615476 0 -5.4458927 -1.9400871 4738.2137
950 0.54741732 -6.2665755 0 -5.4456548 -1.9466417 4738.2137
1000 0.54200867 -6.2591246 0 -5.4463148 -1.8881624 4738.2137
Loop time of 3.70634 on 2 procs for 500 steps with 4000 atoms
Performance: 58278.514 tau/day, 134.904 timesteps/s
99.0% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 2.5536 | 2.6173 | 2.6811 | 3.9 | 70.62
Neigh | 0.82942 | 0.88683 | 0.94424 | 6.1 | 23.93
Comm | 0.16927 | 0.17474 | 0.1802 | 1.3 | 4.71
Output | 0.00030422 | 0.00033307 | 0.00036192 | 0.0 | 0.01
Modify | 0.016714 | 0.017824 | 0.018933 | 0.8 | 0.48
Other | | 0.009277 | | | 0.25
Nlocal: 2000 ave 2136 max 1864 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10413.5 ave 10877 max 9950 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 300836 ave 312313 max 289358 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 601671
Ave neighs/atom = 150.418
Neighbor list builds = 51
Dangerous builds = 0
fix 0 all balance 50 1.0 shift x 5 1.0 weight neigh 0.5 weight time 0.66 weight store WEIGHT
run 500
Per MPI rank memory allocation (min/avg/max) = 4.951 | 5.142 | 5.334 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1000 0.54200867 -6.2591246 0 -5.4463148 -1.8881624 4738.2137
1050 0.54633412 -6.2656384 0 -5.4463421 -1.9012895 4738.2137
1100 0.54325667 -6.2612166 0 -5.4465353 -1.8870463 4738.2137
1150 0.55057583 -6.2719187 0 -5.4462614 -1.9575881 4738.2137
1200 0.53728175 -6.251744 0 -5.4460228 -1.8124097 4738.2137
1250 0.54077561 -6.2567544 0 -5.4457938 -1.8418133 4738.2137
1300 0.54430333 -6.260995 0 -5.4447442 -1.856351 4738.2137
1350 0.55097839 -6.2715909 0 -5.4453299 -1.9014337 4738.2137
1400 0.53858139 -6.2526781 0 -5.445008 -1.7965773 4738.2137
1450 0.5421844 -6.2574683 0 -5.444395 -1.7901189 4738.2137
1500 0.54200617 -6.2571433 0 -5.4443373 -1.8000344 4738.2137
Loop time of 4.8272 on 2 procs for 500 steps with 4000 atoms
Performance: 44746.478 tau/day, 103.580 timesteps/s
98.5% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.9951 | 2.6814 | 3.3676 | 41.9 | 55.55
Neigh | 0.82826 | 0.90961 | 0.99095 | 8.5 | 18.84
Comm | 0.44043 | 1.2083 | 1.9762 | 69.9 | 25.03
Output | 0.00034881 | 0.0003655 | 0.00038218 | 0.0 | 0.01
Modify | 0.016762 | 0.01755 | 0.018337 | 0.6 | 0.36
Other | | 0.01001 | | | 0.21
Nlocal: 2000 ave 2564 max 1436 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10334 ave 10752 max 9916 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 302958 ave 499873 max 106044 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 605917
Ave neighs/atom = 151.479
Neighbor list builds = 51
Dangerous builds = 0
run 500
Per MPI rank memory allocation (min/avg/max) = 4.955 | 5.336 | 5.717 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1500 0.54200617 -6.2571433 0 -5.4443373 -1.8000344 4738.2137
1550 0.53713591 -6.2504068 0 -5.4449044 -1.7647087 4738.2137
1600 0.5467956 -6.2646482 0 -5.4446599 -1.8115778 4738.2137
1650 0.53806575 -6.2519004 0 -5.4450036 -1.7409135 4738.2137
1700 0.5347949 -6.2468958 0 -5.444904 -1.7162322 4738.2137
1750 0.53714528 -6.2506529 0 -5.4451365 -1.7340402 4738.2137
1800 0.5274989 -6.2358675 0 -5.444817 -1.6874989 4738.2137
1850 0.54585906 -6.2629475 0 -5.4443636 -1.7758918 4738.2137
1900 0.5301071 -6.2387551 0 -5.4437932 -1.6381903 4738.2137
1950 0.54288149 -6.2582818 0 -5.4441632 -1.7367819 4738.2137
2000 0.52766162 -6.2348587 0 -5.4435642 -1.5589151 4738.2137
Loop time of 4.90351 on 2 procs for 500 steps with 4000 atoms
Performance: 44050.062 tau/day, 101.968 timesteps/s
98.1% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.9937 | 2.6502 | 3.3067 | 40.3 | 54.05
Neigh | 0.81645 | 0.88655 | 0.95664 | 7.4 | 18.08
Comm | 0.61197 | 1.3389 | 2.0659 | 62.8 | 27.31
Output | 0.00036287 | 0.0003773 | 0.00039172 | 0.0 | 0.01
Modify | 0.016585 | 0.017429 | 0.018274 | 0.6 | 0.36
Other | | 0.01003 | | | 0.20
Nlocal: 2000 ave 2564 max 1436 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10256 ave 10620 max 9892 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 303988 ave 502064 max 105911 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 607975
Ave neighs/atom = 151.994
Neighbor list builds = 51
Dangerous builds = 0
Total wall time: 0:00:17

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@ -1,227 +0,0 @@
LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000421762 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
fix p all property/atom d_WEIGHT
compute p all property/atom d_WEIGHT
fix 0 all balance 50 1.0 shift x 10 1.0 weight time 1.0 weight store WEIGHT
variable maximb equal f_0[1]
variable iter equal f_0[2]
variable prev equal f_0[3]
variable final equal f_0
#fix 3 all print 50 "${iter} ${prev} ${final} ${maximb}"
fix 1 all nve
#dump id all atom 50 dump.melt
#dump id all custom 50 dump.lammpstrj id type x y z c_p
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 500
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 3.691 | 4.072 | 4.454 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137
50 0.48653399 -6.1788509 0 -5.4492324 -1.6017778 4738.2137
100 0.53411175 -6.249885 0 -5.4489177 -1.9317606 4738.2137
150 0.53646658 -6.2527206 0 -5.4482219 -1.9689568 4738.2137
200 0.54551611 -6.2656326 0 -5.4475631 -2.0042104 4738.2137
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995 4738.2137
300 0.5477618 -6.2678071 0 -5.4463698 -1.997842 4738.2137
350 0.55600296 -6.2801497 0 -5.4463538 -2.0394056 4738.2137
400 0.53241503 -6.2453665 0 -5.4469436 -1.878594 4738.2137
450 0.5439158 -6.2623 0 -5.4466302 -1.9744161 4738.2137
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015 4738.2137
Loop time of 2.69458 on 4 procs for 500 steps with 4000 atoms
Performance: 80160.913 tau/day, 185.558 timesteps/s
94.2% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.0903 | 1.4509 | 1.7199 | 22.5 | 53.84
Neigh | 0.31688 | 0.47906 | 0.71852 | 24.2 | 17.78
Comm | 0.60463 | 0.72402 | 0.84257 | 12.7 | 26.87
Output | 0.00035119 | 0.00067121 | 0.0015202 | 0.0 | 0.02
Modify | 0.00811 | 0.010936 | 0.014029 | 2.7 | 0.41
Other | | 0.02904 | | | 1.08
Nlocal: 1000 ave 1504 max 634 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Nghost: 8759.25 ave 9896 max 8021 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Neighs: 149308 ave 179946 max 116419 min
Histogram: 1 1 0 0 0 0 0 0 1 1
Total # of neighbors = 597231
Ave neighs/atom = 149.308
Neighbor list builds = 50
Dangerous builds = 0
run 500
Per MPI rank memory allocation (min/avg/max) = 4.097 | 4.288 | 4.475 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015 4738.2137
550 0.53879347 -6.2554274 0 -5.4474393 -1.9756834 4738.2137
600 0.54275982 -6.2616799 0 -5.4477437 -1.9939993 4738.2137
650 0.54526651 -6.265098 0 -5.4474027 -2.0303672 4738.2137
700 0.54369381 -6.263201 0 -5.4478642 -1.9921967 4738.2137
750 0.54452777 -6.2640839 0 -5.4474964 -1.9658675 4738.2137
800 0.55061744 -6.2725556 0 -5.4468359 -2.0100922 4738.2137
850 0.55371614 -6.2763992 0 -5.4460326 -2.0065329 4738.2137
900 0.54756622 -6.2668303 0 -5.4456863 -1.9796122 4738.2137
950 0.54791593 -6.2673161 0 -5.4456477 -1.9598278 4738.2137
1000 0.54173198 -6.2586101 0 -5.4462153 -1.9007466 4738.2137
Loop time of 2.64502 on 4 procs for 500 steps with 4000 atoms
Performance: 81662.873 tau/day, 189.034 timesteps/s
93.3% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.1279 | 1.4127 | 1.6268 | 18.0 | 53.41
Neigh | 0.32225 | 0.49572 | 0.76053 | 26.2 | 18.74
Comm | 0.64504 | 0.6974 | 0.75498 | 5.7 | 26.37
Output | 0.00035477 | 0.00062996 | 0.001343 | 0.0 | 0.02
Modify | 0.0077929 | 0.010538 | 0.013856 | 2.6 | 0.40
Other | | 0.02803 | | | 1.06
Nlocal: 1000 ave 1437 max 597 min
Histogram: 1 1 0 0 0 0 0 1 0 1
Nghost: 8674 ave 9370 max 8013 min
Histogram: 1 0 1 0 0 0 0 1 0 1
Neighs: 150170 ave 187030 max 102149 min
Histogram: 1 0 0 0 0 1 0 1 0 1
Total # of neighbors = 600678
Ave neighs/atom = 150.169
Neighbor list builds = 53
Dangerous builds = 0
fix 0 all balance 50 1.0 shift x 5 1.0 weight neigh 0.5 weight time 0.66 weight store WEIGHT
run 500
Per MPI rank memory allocation (min/avg/max) = 4.08 | 4.269 | 4.458 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1000 0.54173198 -6.2586101 0 -5.4462153 -1.9007466 4738.2137
1050 0.54629742 -6.2657526 0 -5.4465113 -1.945821 4738.2137
1100 0.55427881 -6.2781733 0 -5.446963 -2.0021027 4738.2137
1150 0.54730654 -6.267257 0 -5.4465025 -1.9420678 4738.2137
1200 0.5388281 -6.2547963 0 -5.4467562 -1.890178 4738.2137
1250 0.54848768 -6.2694237 0 -5.4468979 -1.9636797 4738.2137
1300 0.54134321 -6.2590728 0 -5.447261 -1.9170271 4738.2137
1350 0.53564389 -6.2501521 0 -5.4468871 -1.8642306 4738.2137
1400 0.53726924 -6.2518379 0 -5.4461355 -1.8544028 4738.2137
1450 0.54525935 -6.2632653 0 -5.4455808 -1.9072158 4738.2137
1500 0.54223346 -6.2591057 0 -5.4459588 -1.8866984 4738.2137
Loop time of 2.61342 on 4 procs for 500 steps with 4000 atoms
Performance: 82650.254 tau/day, 191.320 timesteps/s
93.1% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.222 | 1.4442 | 1.5812 | 12.3 | 55.26
Neigh | 0.29672 | 0.48201 | 0.73859 | 27.6 | 18.44
Comm | 0.59138 | 0.65738 | 0.70906 | 6.5 | 25.15
Output | 0.00036502 | 0.00091559 | 0.0020845 | 0.0 | 0.04
Modify | 0.0095406 | 0.012674 | 0.017643 | 2.8 | 0.48
Other | | 0.01621 | | | 0.62
Nlocal: 1000 ave 1446 max 670 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Nghost: 8641 ave 9376 max 8019 min
Histogram: 1 1 0 0 0 0 0 1 0 1
Neighs: 150494 ave 184085 max 105390 min
Histogram: 1 0 1 0 0 0 0 0 0 2
Total # of neighbors = 601974
Ave neighs/atom = 150.494
Neighbor list builds = 51
Dangerous builds = 0
run 500
Per MPI rank memory allocation (min/avg/max) = 4.08 | 4.269 | 4.458 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1500 0.54223346 -6.2591057 0 -5.4459588 -1.8866984 4738.2137
1550 0.55327018 -6.2750125 0 -5.4453148 -1.9506585 4738.2137
1600 0.5441901 -6.2612622 0 -5.4451811 -1.8559436 4738.2137
1650 0.54710046 -6.2661938 0 -5.4457483 -1.8882766 4738.2137
1700 0.5366569 -6.2504957 0 -5.4457116 -1.8067998 4738.2137
1750 0.5486468 -6.2681121 0 -5.4453476 -1.8662631 4738.2137
1800 0.54476176 -6.2615037 0 -5.4445653 -1.8352743 4738.2137
1850 0.5414305 -6.2555519 0 -5.4436091 -1.8005747 4738.2137
1900 0.53992655 -6.2541344 0 -5.444447 -1.7768718 4738.2137
1950 0.54666071 -6.2640943 0 -5.4443082 -1.7947052 4738.2137
2000 0.54556196 -6.2625262 0 -5.4443879 -1.8071631 4738.2137
Loop time of 2.81593 on 4 procs for 500 steps with 4000 atoms
Performance: 76706.532 tau/day, 177.561 timesteps/s
90.7% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.2508 | 1.4839 | 1.6521 | 13.4 | 52.70
Neigh | 0.34188 | 0.54016 | 0.82358 | 27.6 | 19.18
Comm | 0.70575 | 0.75254 | 0.80167 | 4.6 | 26.72
Output | 0.00041604 | 0.001362 | 0.0041099 | 4.3 | 0.05
Modify | 0.010564 | 0.013653 | 0.018 | 2.7 | 0.48
Other | | 0.02432 | | | 0.86
Nlocal: 1000 ave 1555 max 569 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Nghost: 8672.75 ave 9821 max 7993 min
Histogram: 2 0 0 0 1 0 0 0 0 1
Neighs: 151656 ave 164603 max 133455 min
Histogram: 1 0 0 0 0 0 1 1 0 1
Total # of neighbors = 606625
Ave neighs/atom = 151.656
Neighbor list builds = 56
Dangerous builds = 0
Total wall time: 0:00:10

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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
variable factor index 1.0
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000517368 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
balance 1.0 shift x 5 1.1 weight time 1.0 # out unweighted.txt
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
rebalancing time: 0.000522375 seconds
iteration count = 1
time weight factor: 1
initial/final max load/proc = 2000 2000
initial/final imbalance factor = 1 1
x cuts: 0 0.5 1
y cuts: 0 1
z cuts: 0 1
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250
Per MPI rank memory allocation (min/avg/max) = 4.297 | 4.488 | 4.678 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1 -6.9453205 0 -5.4456955 -5.6812358
50 0.49578514 -6.1929216 0 -5.4494298 -1.6668039
100 0.53275389 -6.2475932 0 -5.4486622 -1.9063885
150 0.53316457 -6.2483202 0 -5.4487733 -1.9476162
200 0.536665 -6.2530113 0 -5.448215 -1.933468
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847
Loop time of 1.96356 on 2 procs for 250 steps with 4000 atoms
Performance: 55002.186 tau/day, 127.320 timesteps/s
99.4% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.0024 | 1.243 | 1.4835 | 21.6 | 63.30
Neigh | 0.3963 | 0.41601 | 0.43572 | 3.1 | 21.19
Comm | 0.032948 | 0.29324 | 0.55353 | 48.1 | 14.93
Output | 0.00013924 | 0.00014722 | 0.00015521 | 0.0 | 0.01
Modify | 0.0072696 | 0.0073524 | 0.0074351 | 0.1 | 0.37
Other | | 0.003842 | | | 0.20
Nlocal: 2000 ave 2051 max 1949 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10443 ave 10506 max 10380 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 298332 ave 363449 max 233215 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 596664
Ave neighs/atom = 149.166
Neighbor list builds = 24
Dangerous builds = 0
balance 1.0 shift x 5 1.1 weight time 1.0 # out unweighted.txt
rebalancing time: 0.000424623 seconds
iteration count = 3
time weight factor: 1
initial/final max load/proc = 1.91926 1.6972
initial/final imbalance factor = 1.15689 1.02304
x cuts: 0 0.4375 1
y cuts: 0 1
z cuts: 0 1
run 250
Per MPI rank memory allocation (min/avg/max) = 4.681 | 4.683 | 4.685 Mbytes
Step Temp E_pair E_mol TotEng Press
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847
300 0.55111476 -6.2727642 0 -5.4462987 -2.0384873
350 0.55211503 -6.274054 0 -5.4460885 -2.0116976
400 0.54638463 -6.2661715 0 -5.4467995 -1.992248
450 0.55885307 -6.2852263 0 -5.4471563 -2.0669747
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802
Loop time of 1.84751 on 2 procs for 250 steps with 4000 atoms
Performance: 58457.127 tau/day, 135.317 timesteps/s
99.5% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.1214 | 1.2291 | 1.3368 | 9.7 | 66.53
Neigh | 0.37418 | 0.41926 | 0.46434 | 7.0 | 22.69
Comm | 0.033842 | 0.18738 | 0.34091 | 35.5 | 10.14
Output | 0.00016665 | 0.00018752 | 0.00020838 | 0.0 | 0.01
Modify | 0.0062993 | 0.0072798 | 0.0082603 | 1.1 | 0.39
Other | | 0.00428 | | | 0.23
Nlocal: 2000 ave 2284 max 1716 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10450 ave 10742 max 10158 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 298063 ave 326003 max 270123 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 596126
Ave neighs/atom = 149.031
Neighbor list builds = 25
Dangerous builds = 0
balance 1.0 shift x 5 1.1 weight time 1.0 # out unweighted.txt
rebalancing time: 0.000502825 seconds
iteration count = 3
time weight factor: 1
initial/final max load/proc = 1.80118 1.79434
initial/final imbalance factor = 1.0927 1.08854
x cuts: 0 0.507812 1
y cuts: 0 1
z cuts: 0 1
run 250
Per MPI rank memory allocation (min/avg/max) = 4.681 | 4.683 | 4.686 Mbytes
Step Temp E_pair E_mol TotEng Press
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802
550 0.54137926 -6.2592773 0 -5.4474115 -1.9770236
600 0.54022886 -6.2573307 0 -5.44719 -1.9619637
650 0.54709009 -6.2678862 0 -5.4474562 -1.9958342
700 0.54590044 -6.2656903 0 -5.4470444 -1.9957108
750 0.55098488 -6.2724831 0 -5.4462124 -2.0287523
Loop time of 2.03694 on 2 procs for 250 steps with 4000 atoms
Performance: 53020.655 tau/day, 122.733 timesteps/s
99.3% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.92132 | 1.2301 | 1.5389 | 27.8 | 60.39
Neigh | 0.3924 | 0.42313 | 0.45386 | 4.7 | 20.77
Comm | 0.032816 | 0.37246 | 0.71211 | 55.7 | 18.29
Output | 0.00013733 | 0.00014532 | 0.0001533 | 0.0 | 0.01
Modify | 0.0069692 | 0.0072372 | 0.0075052 | 0.3 | 0.36
Other | | 0.003856 | | | 0.19
Nlocal: 2000 ave 2097 max 1903 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10439.5 ave 10561 max 10318 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 299628 ave 378859 max 220397 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 599256
Ave neighs/atom = 149.814
Neighbor list builds = 25
Dangerous builds = 0
Total wall time: 0:00:05

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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
variable factor index 1.0
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000427961 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
balance 1.0 shift x 5 1.1 weight time 1.0 # out unweighted.txt
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
rebalancing time: 0.000848055 seconds
iteration count = 2
time weight factor: 1
initial/final max load/proc = 1200 1200
initial/final imbalance factor = 1.2 1.2
x cuts: 0 0.25 0.5 0.6875 1
y cuts: 0 1
z cuts: 0 1
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250
Per MPI rank memory allocation (min/avg/max) = 3.426 | 3.713 | 4.188 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1 -6.9453205 0 -5.4456955 -5.6812358
50 0.48653399 -6.1788509 0 -5.4492324 -1.6017778
100 0.53411175 -6.249885 0 -5.4489177 -1.9317606
150 0.53646658 -6.2527206 0 -5.4482219 -1.9689568
200 0.54551611 -6.2656326 0 -5.4475631 -2.0042104
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995
Loop time of 1.50594 on 4 procs for 250 steps with 4000 atoms
Performance: 71716.080 tau/day, 166.009 timesteps/s
96.9% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.34764 | 0.66777 | 1.2288 | 43.4 | 44.34
Neigh | 0.1594 | 0.20524 | 0.2451 | 7.5 | 13.63
Comm | 0.039175 | 0.62421 | 0.93047 | 45.4 | 41.45
Output | 0.00015855 | 0.00024235 | 0.00047231 | 0.0 | 0.02
Modify | 0.0028908 | 0.0039527 | 0.0049407 | 1.2 | 0.26
Other | | 0.004522 | | | 0.30
Nlocal: 1000 ave 1263 max 712 min
Histogram: 1 0 0 0 1 0 1 0 0 1
Nghost: 8711.5 ave 9045 max 8325 min
Histogram: 1 0 0 0 0 1 1 0 0 1
Neighs: 149325 ave 275165 max 77227 min
Histogram: 2 0 0 0 1 0 0 0 0 1
Total # of neighbors = 597299
Ave neighs/atom = 149.325
Neighbor list builds = 23
Dangerous builds = 0
balance 1.0 shift x 5 1.1 weight time 1.0 # out unweighted.txt
rebalancing time: 0.000421047 seconds
iteration count = 4
time weight factor: 1
initial/final max load/proc = 1.45871 0.956175
initial/final imbalance factor = 1.6709 1.09526
x cuts: 0 0.296875 0.453125 0.628906 1
y cuts: 0 1
z cuts: 0 1
run 250
Per MPI rank memory allocation (min/avg/max) = 3.787 | 3.907 | 4.192 Mbytes
Step Temp E_pair E_mol TotEng Press
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995
300 0.5477618 -6.2678071 0 -5.4463698 -1.997842
350 0.55600296 -6.2801497 0 -5.4463538 -2.0394056
400 0.53241503 -6.2453665 0 -5.4469436 -1.878594
450 0.5439158 -6.2623 0 -5.4466302 -1.9744161
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015
Loop time of 1.24397 on 4 procs for 250 steps with 4000 atoms
Performance: 86819.073 tau/day, 200.970 timesteps/s
95.4% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.4612 | 0.67729 | 0.88321 | 20.9 | 54.45
Neigh | 0.14175 | 0.20919 | 0.28903 | 13.7 | 16.82
Comm | 0.19855 | 0.34785 | 0.48428 | 18.8 | 27.96
Output | 0.00016665 | 0.00030792 | 0.00066757 | 0.0 | 0.02
Modify | 0.0027177 | 0.0053391 | 0.010109 | 4.1 | 0.43
Other | | 0.003992 | | | 0.32
Nlocal: 1000 ave 1462 max 652 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Nghost: 8657 ave 9421 max 7969 min
Histogram: 1 1 0 0 0 0 0 1 0 1
Neighs: 149356 ave 195930 max 106343 min
Histogram: 1 1 0 0 0 0 0 1 0 1
Total # of neighbors = 597424
Ave neighs/atom = 149.356
Neighbor list builds = 24
Dangerous builds = 0
balance 1.0 shift x 5 1.1 weight time 1.0 # out unweighted.txt
rebalancing time: 0.000288963 seconds
iteration count = 5
time weight factor: 1
initial/final max load/proc = 1.03814 0.978524
initial/final imbalance factor = 1.17108 1.10383
x cuts: 0 0.301758 0.448242 0.60144 1
y cuts: 0 1
z cuts: 0 1
run 250
Per MPI rank memory allocation (min/avg/max) = 3.804 | 3.927 | 4.209 Mbytes
Step Temp E_pair E_mol TotEng Press
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015
550 0.53879347 -6.2554274 0 -5.4474393 -1.9756834
600 0.54275982 -6.2616799 0 -5.4477437 -1.9939993
650 0.54526651 -6.265098 0 -5.4474027 -2.0303672
700 0.54369381 -6.263201 0 -5.4478642 -1.9921967
750 0.54452777 -6.2640839 0 -5.4474964 -1.9658675
Loop time of 1.14445 on 4 procs for 250 steps with 4000 atoms
Performance: 94368.537 tau/day, 218.446 timesteps/s
98.0% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.52287 | 0.67351 | 0.79602 | 13.2 | 58.85
Neigh | 0.14306 | 0.21848 | 0.31638 | 16.2 | 19.09
Comm | 0.19457 | 0.24404 | 0.29562 | 7.2 | 21.32
Output | 0.00016236 | 0.00029993 | 0.00065851 | 0.0 | 0.03
Modify | 0.0024104 | 0.0038835 | 0.0057485 | 2.3 | 0.34
Other | | 0.004232 | | | 0.37
Nlocal: 1000 ave 1522 max 593 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Nghost: 8754 ave 9866 max 8002 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Neighs: 149124 ave 182694 max 120516 min
Histogram: 1 0 1 0 0 0 1 0 0 1
Total # of neighbors = 596497
Ave neighs/atom = 149.124
Neighbor list builds = 25
Dangerous builds = 0
Total wall time: 0:00:03

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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 2d circle of particles inside a box with LJ walls
variable b index 0
variable x index 50
variable y index 20
variable d index 20
variable v index 5
variable w index 2
units lj
dimension 2
atom_style atomic
boundary f f p
lattice hex 0.85
Lattice spacing in x,y,z = 1.16553 2.01877 1.16553
region box block 0 $x 0 $y -0.5 0.5
region box block 0 50 0 $y -0.5 0.5
region box block 0 50 0 20 -0.5 0.5
create_box 1 box
Created orthogonal box = (0 0 -0.582767) to (58.2767 40.3753 0.582767)
2 by 1 by 1 MPI processor grid
region circle sphere $(v_d/2+1) $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 10
create_atoms 1 region circle
Created 361 atoms
Time spent = 0.000478506 secs
mass 1 1.0
velocity all create 0.5 87287 loop geom
velocity all set $v $w 0 sum yes
velocity all set 5 $w 0 sum yes
velocity all set 5 2 0 sum yes
pair_style lj/cut 2.5
pair_coeff 1 1 10.0 1.0 2.5
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 all nve
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi $x 1 1 2.5
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi 50 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi $y 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi 20 1 1 2.5
comm_style tiled
fix 10 all balance 50 0.9 rcb
#compute 1 all property/atom proc
#variable p atom c_1%10
#dump 2 all custom 50 tmp.dump id v_p x y z
#dump 3 all image 50 image.*.jpg v_p type # adiam 1.0 view 0 0 zoom 1.8 subbox yes 0.02
#variable colors string # "red green blue yellow white # purple pink orange lime gray"
#dump_modify 3 pad 5 amap 0 10 sa 1 10 ${colors}
thermo_style custom step temp epair press f_10[3] f_10
thermo 100
run 10000
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/2d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 3.061 | 3.065 | 3.07 Mbytes
Step Temp E_pair Press f_10[3] f_10
0 25.701528 -29.143179 -1.2407285 2 1.0193906
100 26.269576 -29.713313 7.9052334 1.1135734 1.0027701
200 26.368336 -29.809962 1.6412462 1.0803324 1.0027701
300 26.479082 -29.920083 2.3678653 1.1578947 1.0083102
400 26.522239 -29.965537 6.6787858 1.1578947 1.0083102
500 25.725591 -29.168034 0.67065285 1.1024931 1.0083102
600 26.247693 -29.692706 7.9887712 1.1301939 1.0027701
700 26.237368 -29.676926 1.5987214 1.1578947 1.0027701
800 25.889643 -29.431589 4.6160859 1.1523546 1.0027701
900 23.635295 -27.372963 9.029962 1.1468144 1.0027701
1000 22.571904 -25.87422 1.8936085 1.1191136 1.0083102
1100 17.493795 -21.447274 9.502619 1.0747922 1.0027701
1200 17.214459 -20.726965 6.3578919 1.0193906 1.0083102
1300 16.424217 -19.757401 3.9026861 1.0083102 1.0027701
1400 15.051731 -18.13464 1.7558146 1.0249307 1.0027701
1500 13.966718 -17.051915 1.4843674 1.0470914 1.0027701
1600 13.615641 -16.582695 1.7845355 1.0415512 1.0027701
1700 13.278822 -16.278248 1.8263176 1.0470914 1.0083102
1800 12.680841 -15.81089 2.0096239 1.0415512 1.0027701
1900 12.039167 -14.99225 1.4379549 1.0360111 1.0027701
2000 12.298923 -15.188233 1.6287319 1.0249307 1.0027701
2100 12.048347 -14.947484 1.0583787 1.0304709 1.0027701
2200 12.024664 -14.91864 1.0617555 1.0304709 1.0027701
2300 11.878263 -14.769923 1.2892425 1.0360111 1.0027701
2400 11.578448 -14.525725 1.2925126 1.0083102 1.0027701
2500 11.948793 -14.736647 1.5473169 1.0249307 1.0027701
2600 11.933924 -14.725605 1.3673896 1.0249307 1.0027701
2700 11.622855 -14.414518 1.3035925 1.0304709 1.0083102
2800 10.600538 -13.451379 1.3422508 1.0138504 1.0027701
2900 10.404739 -13.242902 1.3070821 1.0083102 1.0027701
3000 10.73199 -13.60699 0.92518136 1.0138504 1.0027701
3100 10.807664 -13.624775 1.3037969 1.0193906 1.0027701
3200 10.393964 -13.212022 0.72081929 1.0027701 1.0027701
3300 9.8733371 -12.65719 1.1606833 1.0138504 1.0027701
3400 9.6206594 -12.349773 0.69859994 1.0138504 1.0027701
3500 9.5882688 -12.32291 1.0028888 1.0138504 1.0027701
3600 9.693129 -12.441628 0.94751509 1.0193906 1.0083102
3700 9.3727837 -12.162354 1.9639195 1.0027701 1.0027701
3800 9.1011581 -11.860999 1.0253876 1.0083102 1.0027701
3900 8.6637799 -11.44226 1.4848652 1.0027701 1.0027701
4000 9.0454579 -11.770928 0.82719098 1.0083102 1.0083102
4100 8.5574492 -11.30614 0.82422479 1.0193906 1.0027701
4200 8.5903538 -11.322978 0.45091349 1.0027701 1.0027701
4300 8.540208 -11.282844 0.55403945 1.0027701 1.0027701
4400 7.7043293 -10.372194 0.80170046 1.0027701 1.0027701
4500 7.3429905 -9.9970461 0.77097228 1.0193906 1.0027701
4600 7.35485 -9.9992837 0.66531873 1.0027701 1.0027701
4700 7.3278467 -9.9885021 0.99577458 1.0193906 1.0027701
4800 7.8179777 -10.468758 0.56434522 1.0138504 1.0083102
4900 7.571002 -10.215558 0.81064116 1.0138504 1.0027701
5000 7.5326417 -10.224594 0.86387082 1.0083102 1.0027701
5100 7.8120521 -10.468885 0.86739094 1.0027701 1.0027701
5200 7.2949975 -10.041278 1.0298349 1.0027701 1.0027701
5300 7.6564811 -10.297993 0.71060925 1.0027701 1.0083102
5400 7.7359804 -10.373635 0.61872932 1.0027701 1.0083102
5500 7.6511513 -10.279058 0.87569767 1.0027701 1.0027701
5600 7.2927879 -9.9378811 1.1573049 1.0083102 1.0083102
5700 7.1836162 -9.8357325 0.43012076 1.0083102 1.0083102
5800 7.3405818 -9.9780947 0.69346928 1.0083102 1.0027701
5900 7.6636501 -10.323536 0.82554433 1.0027701 1.0027701
6000 7.3515582 -9.9803466 1.09521 1.0138504 1.0027701
6100 7.0275875 -9.6739554 0.48460922 1.0027701 1.0027701
6200 7.1449226 -9.7541904 0.83007096 1.0193906 1.0083102
6300 7.036185 -9.6445595 1.0982599 1.0193906 1.0027701
6400 7.1288989 -9.7501637 1.0103414 1.0138504 1.0027701
6500 6.6559525 -9.256798 0.58741228 1.0027701 1.0027701
6600 7.0559949 -9.6563848 0.53504661 1.0027701 1.0027701
6700 7.124289 -9.7613906 0.70816625 1.0027701 1.0027701
6800 7.0141849 -9.6298357 0.55987809 1.0083102 1.0027701
6900 6.8617323 -9.4376408 0.62371253 1.0193906 1.0083102
7000 6.7496366 -9.3379578 0.83540012 1.0027701 1.0083102
7100 7.0418565 -9.664915 0.68231111 1.0083102 1.0027701
7200 6.6175362 -9.2066737 0.31371885 1.0138504 1.0027701
7300 7.076179 -9.6917457 1.0827515 1.0083102 1.0027701
7400 6.5263123 -9.1321276 1.1892921 1.0027701 1.0027701
7500 6.8072952 -9.3976358 0.60458526 1.0138504 1.0027701
7600 6.610006 -9.1934492 0.54359615 1.0193906 1.0027701
7700 6.3533198 -8.943515 0.91970357 1.0138504 1.0027701
7800 6.7226774 -9.3164434 0.81151352 1.0027701 1.0083102
7900 6.2329222 -8.8531998 0.59439797 1.0083102 1.0027701
8000 6.5818943 -9.2025911 0.66303132 1.0083102 1.0027701
8100 6.372739 -8.9403406 0.81325975 1.0138504 1.0027701
8200 6.462003 -9.0346265 0.54917879 1.0083102 1.0027701
8300 6.5947825 -9.2171877 0.9005455 1.0027701 1.0027701
8400 6.7803374 -9.4179158 0.37270772 1.0027701 1.0027701
8500 6.7122886 -9.3363107 0.77011047 1.0083102 1.0027701
8600 6.8286386 -9.4264779 0.35815593 1.0027701 1.0027701
8700 6.4796483 -9.0676554 0.84568363 1.0138504 1.0027701
8800 6.551896 -9.1793668 1.0319947 1.0083102 1.0027701
8900 6.1879163 -8.7590749 0.34445309 1.0027701 1.0027701
9000 6.2374494 -8.7872159 0.46749314 1.0027701 1.0027701
9100 6.3605933 -8.9335681 0.86786624 1.0027701 1.0027701
9200 6.4387791 -9.0144583 0.56089061 1.0083102 1.0027701
9300 6.2745383 -8.9019836 0.58565081 1.0083102 1.0027701
9400 6.1957924 -8.7638279 0.65785826 1.0027701 1.0083102
9500 6.079287 -8.6556289 0.47532552 1.0083102 1.0027701
9600 6.7679205 -9.3427341 0.48539851 1.0083102 1.0027701
9700 6.4007616 -8.9753463 0.58689382 1.0138504 1.0027701
9800 6.2137021 -8.7670545 0.80327882 1.0249307 1.0027701
9900 6.063559 -8.6359278 0.34977555 1.0083102 1.0027701
10000 6.5604562 -9.1417599 0.49589297 1.0083102 1.0027701
Loop time of 0.469504 on 2 procs for 10000 steps with 361 atoms
Performance: 9201197.252 tau/day, 21299.068 timesteps/s
94.4% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.13648 | 0.14553 | 0.15459 | 2.4 | 31.00
Neigh | 0.13867 | 0.14128 | 0.1439 | 0.7 | 30.09
Comm | 0.05533 | 0.06494 | 0.07455 | 3.8 | 13.83
Output | 0.0012147 | 0.0013802 | 0.0015457 | 0.4 | 0.29
Modify | 0.071393 | 0.071421 | 0.07145 | 0.0 | 15.21
Other | | 0.04494 | | | 9.57
Nlocal: 180.5 ave 181 max 180 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 30 ave 34 max 26 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 579.5 ave 644 max 515 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 1159
Ave neighs/atom = 3.21053
Neighbor list builds = 3510
Dangerous builds = 0
Total wall time: 0:00:00

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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 2d circle of particles inside a box with LJ walls
variable b index 0
variable x index 50
variable y index 20
variable d index 20
variable v index 5
variable w index 2
units lj
dimension 2
atom_style atomic
boundary f f p
lattice hex 0.85
Lattice spacing in x,y,z = 1.16553 2.01877 1.16553
region box block 0 $x 0 $y -0.5 0.5
region box block 0 50 0 $y -0.5 0.5
region box block 0 50 0 20 -0.5 0.5
create_box 1 box
Created orthogonal box = (0 0 -0.582767) to (58.2767 40.3753 0.582767)
2 by 2 by 1 MPI processor grid
region circle sphere $(v_d/2+1) $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 10
create_atoms 1 region circle
Created 361 atoms
Time spent = 0.000404358 secs
mass 1 1.0
velocity all create 0.5 87287 loop geom
velocity all set $v $w 0 sum yes
velocity all set 5 $w 0 sum yes
velocity all set 5 2 0 sum yes
pair_style lj/cut 2.5
pair_coeff 1 1 10.0 1.0 2.5
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 all nve
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi $x 1 1 2.5
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi 50 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi $y 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi 20 1 1 2.5
comm_style tiled
fix 10 all balance 50 0.9 rcb
#compute 1 all property/atom proc
#variable p atom c_1%10
#dump 2 all custom 50 tmp.dump id v_p x y z
#dump 3 all image 50 image.*.jpg v_p type # adiam 1.0 view 0 0 zoom 1.8 subbox yes 0.02
#variable colors string # "red green blue yellow white # purple pink orange lime gray"
#dump_modify 3 pad 5 amap 0 10 sa 1 10 ${colors}
thermo_style custom step temp epair press f_10[3] f_10
thermo 100
run 10000
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/2d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 3.041 | 3.047 | 3.059 Mbytes
Step Temp E_pair Press f_10[3] f_10
0 25.701528 -29.143179 -1.2407285 3.2354571 1.0526316
100 26.269576 -29.713313 7.9052334 1.2742382 1.0304709
200 26.368336 -29.809962 1.6412462 1.2520776 1.0083102
300 26.479082 -29.920083 2.3678653 1.2299169 1.0193906
400 26.522239 -29.965537 6.6787858 1.1855956 1.0083102
500 25.725591 -29.168034 0.67065285 1.2520776 1.0193906
600 26.247693 -29.692706 7.9887712 1.3074792 1.0193906
700 26.237368 -29.676926 1.5987214 1.2409972 1.0083102
800 25.889643 -29.431589 4.6160859 1.2631579 1.0083102
900 23.635295 -27.372963 9.029962 1.1634349 1.0083102
1000 22.571904 -25.87422 1.8936085 1.1301939 1.0193906
1100 17.493795 -21.447274 9.502619 1.0858726 1.0193906
1200 17.214459 -20.726965 6.3578918 1.0304709 1.0083102
1300 16.42412 -19.757358 3.9027527 1.1191136 1.0193906
1400 15.030721 -18.114099 1.7564242 1.1523546 1.0193906
1500 13.81681 -16.902783 1.1577715 1.0858726 1.0083102
1600 13.686443 -16.661545 1.5415714 1.0969529 1.0083102
1700 13.019794 -16.066239 2.0360985 1.0526316 1.0083102
1800 12.297559 -15.3505 2.3411708 1.0858726 1.0083102
1900 12.279142 -15.287559 1.6641576 1.0415512 1.0083102
2000 12.230052 -15.192836 1.0975388 1.0415512 1.0193906
2100 11.697549 -14.599737 1.6237216 1.0969529 1.0083102
2200 11.682062 -14.610972 1.4641234 1.0747922 1.0083102
2300 11.075799 -13.986408 1.3034228 1.0637119 1.0083102
2400 11.362073 -14.290331 1.4934327 1.0304709 1.0083102
2500 11.100258 -14.006922 1.5476543 1.0415512 1.0193906
2600 11.12995 -14.013738 1.648208 1.0526316 1.0193906
2700 10.709161 -13.560172 1.396234 1.0193906 1.0083102
2800 10.827433 -13.654426 1.0691842 1.0304709 1.0083102
2900 10.653946 -13.622298 1.0985321 1.0304709 1.0083102
3000 10.277755 -13.110194 0.80184675 1.0304709 1.0083102
3100 9.9099809 -12.702359 1.0351594 1.0304709 1.0193906
3200 9.7539825 -12.558768 0.54465848 1.0526316 1.0083102
3300 10.126666 -12.949441 0.64914734 1.0304709 1.0083102
3400 9.5324496 -12.338741 1.2896056 1.0193906 1.0193906
3500 9.4041639 -12.170248 0.72157285 1.0304709 1.0083102
3600 9.2601291 -12.094438 1.1638062 1.0415512 1.0193906
3700 9.7052324 -12.503428 1.0681965 1.0193906 1.0193906
3800 9.1757619 -11.95576 1.2517655 1.0637119 1.0083102
3900 9.2622488 -12.036744 0.49874718 1.0193906 1.0083102
4000 8.8510215 -11.634558 1.0887428 1.0415512 1.0193906
4100 8.3821331 -11.145234 0.91008971 1.0193906 1.0083102
4200 8.2295054 -10.970304 0.5181043 1.0304709 1.0083102
4300 8.2161013 -10.942353 0.42128421 1.0304709 1.0193906
4400 7.7366945 -10.4592 0.79646198 1.0304709 1.0193906
4500 7.6089407 -10.446852 1.0059975 1.0083102 1.0193906
4600 7.6662499 -10.406613 1.7369986 1.0193906 1.0083102
4700 7.9515739 -10.665324 0.73173058 1.0193906 1.0083102
4800 7.7580664 -10.520311 1.1065958 1.0304709 1.0083102
4900 7.561205 -10.291568 0.97923495 1.0083102 1.0193906
5000 7.4169102 -10.130439 1.1566293 1.0193906 1.0193906
5100 7.5994418 -10.310725 1.1081236 1.0193906 1.0193906
5200 7.4637026 -10.211945 0.46308591 1.0193906 1.0083102
5300 7.5864081 -10.289039 0.55146387 1.0415512 1.0083102
5400 7.2190688 -9.8943729 0.56255805 1.0193906 1.0193906
5500 7.3953465 -10.112294 0.49166363 1.0193906 1.0193906
5600 7.3584536 -10.027488 0.69227871 1.0193906 1.0193906
5700 6.932639 -9.6121874 0.67344283 1.0304709 1.0083102
5800 7.088604 -9.7715725 0.20307999 1.0193906 1.0193906
5900 6.9761247 -9.6446998 0.90406994 1.0083102 1.0083102
6000 6.8763621 -9.5236579 0.57873884 1.0415512 1.0083102
6100 6.939987 -9.5929188 0.36904108 1.0304709 1.0083102
6200 6.820038 -9.4635599 0.63193653 1.0304709 1.0083102
6300 6.8288347 -9.4833639 0.41971515 1.0415512 1.0304709
6400 6.8690672 -9.5446244 1.0201589 1.0415512 1.0193906
6500 6.4727631 -9.1148404 0.80775699 1.0193906 1.0193906
6600 6.7113328 -9.3554765 0.61684835 1.0083102 1.0083102
6700 6.5896516 -9.2696941 0.58593745 1.0526316 1.0193906
6800 6.5609717 -9.2314045 1.2897992 1.0193906 1.0083102
6900 6.6225137 -9.2809347 0.47677707 1.0415512 1.0083102
7000 6.6617661 -9.3147214 0.72415312 1.0304709 1.0193906
7100 6.5773856 -9.2843036 0.7800794 1.0304709 1.0083102
7200 6.7300254 -9.4233488 0.73403634 1.0193906 1.0193906
7300 6.8497011 -9.4992354 0.97755826 1.0304709 1.0193906
7400 6.5848304 -9.2649536 0.89449647 1.0526316 1.0193906
7500 6.6468599 -9.3004561 0.53259674 1.0304709 1.0083102
7600 6.7096387 -9.3824628 0.40095675 1.0193906 1.0083102
7700 6.6205931 -9.2612947 0.44113095 1.0083102 1.0083102
7800 6.444935 -9.073124 0.47355329 1.0193906 1.0083102
7900 6.6143353 -9.2763501 0.57936627 1.0193906 1.0083102
8000 6.5718284 -9.2099799 0.88048189 1.0637119 1.0083102
8100 6.9155381 -9.5644544 0.36029314 1.0415512 1.0083102
8200 6.4217261 -9.0582117 0.4577164 1.0193906 1.0193906
8300 6.4639521 -9.0911283 0.50560328 1.0193906 1.0193906
8400 6.2047897 -8.8357836 0.71150301 1.0083102 1.0083102
8500 6.5688691 -9.2701491 0.5963871 1.0193906 1.0083102
8600 6.6803448 -9.3311473 0.47008064 1.0304709 1.0083102
8700 6.4794219 -9.1136868 0.97764575 1.0193906 1.0193906
8800 6.3899651 -9.0655629 0.72557611 1.0083102 1.0193906
8900 6.4446062 -9.1121453 0.53050589 1.0193906 1.0083102
9000 6.7012614 -9.3365992 0.63041848 1.0415512 1.0083102
9100 6.3982388 -9.0510004 0.34575359 1.0415512 1.0083102
9200 6.9775773 -9.6647109 0.97993232 1.0304709 1.0193906
9300 6.5504231 -9.2113542 0.58697844 1.0193906 1.0193906
9400 6.6900283 -9.3954145 0.40867465 1.0083102 1.0193906
9500 6.3553229 -8.9965934 0.60133843 1.0526316 1.0193906
9600 6.4861076 -9.1404384 1.0033387 1.0193906 1.0193906
9700 6.469481 -9.1202491 0.85523385 1.0083102 1.0193906
9800 6.5508552 -9.188341 0.6068644 1.0304709 1.0083102
9900 6.4355199 -9.1044882 0.83288252 1.0304709 1.0193906
10000 6.4850092 -9.1433721 0.58691238 1.0193906 1.0193906
Loop time of 0.418243 on 4 procs for 10000 steps with 361 atoms
Performance: 10328920.895 tau/day, 23909.539 timesteps/s
87.1% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.062269 | 0.073833 | 0.096031 | 4.9 | 17.65
Neigh | 0.066658 | 0.072882 | 0.084956 | 2.7 | 17.43
Comm | 0.10814 | 0.13013 | 0.14677 | 4.4 | 31.11
Output | 0.0015733 | 0.0017747 | 0.0023153 | 0.7 | 0.42
Modify | 0.060045 | 0.060904 | 0.061674 | 0.3 | 14.56
Other | | 0.07872 | | | 18.82
Nlocal: 90.25 ave 92 max 89 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Nghost: 33.25 ave 57 max 13 min
Histogram: 1 0 0 0 2 0 0 0 0 1
Neighs: 309.25 ave 496 max 125 min
Histogram: 1 0 0 1 0 0 1 0 0 1
Total # of neighbors = 1237
Ave neighs/atom = 3.42659
Neighbor list builds = 3620
Dangerous builds = 0
Total wall time: 0:00:00

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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
variable factor index 1.0
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000552893 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow ${factor} # out weighted.txt
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow 1.0
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
rebalancing time: 0.000512123 seconds
iteration count = 1
group weights: fast=1 slow=1
initial/final max load/proc = 2000 2000
initial/final imbalance factor = 1 1
x cuts: 0 0.5 1
y cuts: 0 1
z cuts: 0 1
fix 0 all balance 10 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow ${factor}
fix 0 all balance 10 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow 1.0
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250
Per MPI rank memory allocation (min/avg/max) = 4.437 | 4.628 | 4.819 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137
50 0.49578514 -6.1929216 0 -5.4494298 -1.6668039 4738.2137
100 0.53275389 -6.2475932 0 -5.4486622 -1.9063885 4738.2137
150 0.53316457 -6.2483202 0 -5.4487733 -1.9476162 4738.2137
200 0.536665 -6.2530113 0 -5.448215 -1.933468 4738.2137
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847 4738.2137
Loop time of 1.95661 on 2 procs for 250 steps with 4000 atoms
Performance: 55197.383 tau/day, 127.772 timesteps/s
99.4% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.0628 | 1.263 | 1.4632 | 17.8 | 64.55
Neigh | 0.42332 | 0.43486 | 0.44639 | 1.7 | 22.22
Comm | 0.033167 | 0.2449 | 0.45664 | 42.8 | 12.52
Output | 0.00015879 | 0.00017142 | 0.00018406 | 0.0 | 0.01
Modify | 0.010039 | 0.010042 | 0.010045 | 0.0 | 0.51
Other | | 0.003658 | | | 0.19
Nlocal: 2000 ave 2000 max 2000 min
Histogram: 2 0 0 0 0 0 0 0 0 0
Nghost: 10441 ave 10457 max 10425 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 298332 ave 349156 max 247508 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 596664
Ave neighs/atom = 149.166
Neighbor list builds = 25
Dangerous builds = 0
Total wall time: 0:00:01

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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
variable factor index 1.0
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000427008 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow ${factor} # out weighted.txt
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow 1.0
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
rebalancing time: 0.000735044 seconds
iteration count = 2
group weights: fast=1 slow=1
initial/final max load/proc = 1200 1200
initial/final imbalance factor = 1.2 1.2
x cuts: 0 0.25 0.5 0.6875 1
y cuts: 0 1
z cuts: 0 1
fix 0 all balance 10 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow ${factor}
fix 0 all balance 10 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow 1.0
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250
Per MPI rank memory allocation (min/avg/max) = 3.566 | 3.947 | 4.329 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137
50 0.48653399 -6.1788509 0 -5.4492324 -1.6017778 4738.2137
100 0.53411175 -6.249885 0 -5.4489177 -1.9317606 4738.2137
150 0.53646658 -6.2527206 0 -5.4482219 -1.9689568 4738.2137
200 0.54551611 -6.2656326 0 -5.4475631 -2.0042104 4738.2137
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995 4738.2137
Loop time of 1.48981 on 4 procs for 250 steps with 4000 atoms
Performance: 72492.623 tau/day, 167.807 timesteps/s
96.0% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.22803 | 0.67101 | 1.1622 | 43.7 | 45.04
Neigh | 0.20611 | 0.2259 | 0.23756 | 2.5 | 15.16
Comm | 0.085412 | 0.58198 | 1.045 | 47.7 | 39.06
Output | 0.00016332 | 0.00028861 | 0.0006516 | 0.0 | 0.02
Modify | 0.0069213 | 0.0070978 | 0.0072331 | 0.1 | 0.48
Other | | 0.003534 | | | 0.24
Nlocal: 1000 ave 1001 max 999 min
Histogram: 1 0 0 0 0 2 0 0 0 1
Nghost: 8727 ave 8761 max 8674 min
Histogram: 1 0 0 0 0 0 1 1 0 1
Neighs: 149349 ave 260848 max 51191 min
Histogram: 1 1 0 0 0 0 1 0 0 1
Total # of neighbors = 597396
Ave neighs/atom = 149.349
Neighbor list builds = 25
Dangerous builds = 0
Total wall time: 0:00:01

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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
variable factor index 1.0
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.00050807 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
balance 1.0 shift x 5 1.1 # out unweighted.txt
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
rebalancing time: 0.000545979 seconds
iteration count = 1
initial/final max load/proc = 2000 2000
initial/final imbalance factor = 1 1
x cuts: 0 0.5 1
y cuts: 0 1
z cuts: 0 1
balance 1.0 x uniform
rebalancing time: 0.000159502 seconds
iteration count = 0
initial/final max load/proc = 2000 2000
initial/final imbalance factor = 1 1
x cuts: 0 0.5 1
y cuts: 0 1
z cuts: 0 1
variable weight atom (type==1)*1.0+(type==2)*v_factor
balance 1.0 shift x 5 1.1 weight var weight # out weighted_var.txt
rebalancing time: 0.000320673 seconds
iteration count = 1
weight variable: weight
initial/final max load/proc = 2000 2000
initial/final imbalance factor = 1 1
x cuts: 0 0.5 1
y cuts: 0 1
z cuts: 0 1
balance 1.0 x uniform
rebalancing time: 0.000132561 seconds
iteration count = 0
initial/final max load/proc = 2000 2000
initial/final imbalance factor = 1 1
x cuts: 0 0.5 1
y cuts: 0 1
z cuts: 0 1
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow ${factor} # out weighted_group.txt
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow 1.0
rebalancing time: 0.000235796 seconds
iteration count = 1
group weights: fast=1 slow=1
initial/final max load/proc = 2000 2000
initial/final imbalance factor = 1 1
x cuts: 0 0.5 1
y cuts: 0 1
z cuts: 0 1
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250
Per MPI rank memory allocation (min/avg/max) = 4.297 | 4.488 | 4.678 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1 -6.9453205 0 -5.4456955 -5.6812358
50 0.49578514 -6.1929216 0 -5.4494298 -1.6668039
100 0.53275389 -6.2475932 0 -5.4486622 -1.9063885
150 0.53316457 -6.2483202 0 -5.4487733 -1.9476162
200 0.536665 -6.2530113 0 -5.448215 -1.933468
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847
Loop time of 1.99136 on 2 procs for 250 steps with 4000 atoms
Performance: 54234.216 tau/day, 125.542 timesteps/s
99.0% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.0081 | 1.262 | 1.5159 | 22.6 | 63.37
Neigh | 0.40357 | 0.41713 | 0.43069 | 2.1 | 20.95
Comm | 0.033287 | 0.30076 | 0.56822 | 48.8 | 15.10
Output | 0.00014162 | 0.00015128 | 0.00016093 | 0.0 | 0.01
Modify | 0.0072243 | 0.0073462 | 0.007468 | 0.1 | 0.37
Other | | 0.003961 | | | 0.20
Nlocal: 2000 ave 2051 max 1949 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10443 ave 10506 max 10380 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 298332 ave 363449 max 233215 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 596664
Ave neighs/atom = 149.166
Neighbor list builds = 24
Dangerous builds = 0
Total wall time: 0:00:02

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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
variable factor index 1.0
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000426769 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
balance 1.0 shift x 5 1.1 # out unweighted.txt
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
rebalancing time: 0.000867605 seconds
iteration count = 2
initial/final max load/proc = 1200 1200
initial/final imbalance factor = 1.2 1.2
x cuts: 0 0.25 0.5 0.6875 1
y cuts: 0 1
z cuts: 0 1
balance 1.0 x uniform
rebalancing time: 0.000295401 seconds
iteration count = 0
initial/final max load/proc = 1200 1200
initial/final imbalance factor = 1.2 1.2
x cuts: 0 0.25 0.5 0.75 1
y cuts: 0 1
z cuts: 0 1
variable weight atom (type==1)*1.0+(type==2)*v_factor
balance 1.0 shift x 5 1.1 weight var weight # out weighted_var.txt
rebalancing time: 0.000428915 seconds
iteration count = 2
weight variable: weight
initial/final max load/proc = 1200 1200
initial/final imbalance factor = 1.2 1.2
x cuts: 0 0.25 0.5 0.6875 1
y cuts: 0 1
z cuts: 0 1
balance 1.0 x uniform
rebalancing time: 0.000236273 seconds
iteration count = 0
initial/final max load/proc = 1200 1200
initial/final imbalance factor = 1.2 1.2
x cuts: 0 0.25 0.5 0.75 1
y cuts: 0 1
z cuts: 0 1
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow ${factor} # out weighted_group.txt
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow 1.0
rebalancing time: 0.000319958 seconds
iteration count = 2
group weights: fast=1 slow=1
initial/final max load/proc = 1200 1200
initial/final imbalance factor = 1.2 1.2
x cuts: 0 0.25 0.5 0.6875 1
y cuts: 0 1
z cuts: 0 1
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250
Per MPI rank memory allocation (min/avg/max) = 3.426 | 3.713 | 4.188 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1 -6.9453205 0 -5.4456955 -5.6812358
50 0.48653399 -6.1788509 0 -5.4492324 -1.6017778
100 0.53411175 -6.249885 0 -5.4489177 -1.9317606
150 0.53646658 -6.2527206 0 -5.4482219 -1.9689568
200 0.54551611 -6.2656326 0 -5.4475631 -2.0042104
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995
Loop time of 1.45972 on 4 procs for 250 steps with 4000 atoms
Performance: 73986.752 tau/day, 171.266 timesteps/s
95.9% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.34936 | 0.66325 | 1.1729 | 40.9 | 45.44
Neigh | 0.15811 | 0.20835 | 0.24806 | 7.4 | 14.27
Comm | 0.04955 | 0.57875 | 0.86745 | 43.6 | 39.65
Output | 0.00015831 | 0.00028872 | 0.00064492 | 0.0 | 0.02
Modify | 0.0030367 | 0.0040676 | 0.0050561 | 1.1 | 0.28
Other | | 0.005014 | | | 0.34
Nlocal: 1000 ave 1263 max 712 min
Histogram: 1 0 0 0 1 0 1 0 0 1
Nghost: 8711.5 ave 9045 max 8325 min
Histogram: 1 0 0 0 0 1 1 0 0 1
Neighs: 149325 ave 275165 max 77227 min
Histogram: 2 0 0 0 1 0 0 0 0 1
Total # of neighbors = 597299
Ave neighs/atom = 149.325
Neighbor list builds = 23
Dangerous builds = 0
Total wall time: 0:00:01

117
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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
#atom_style charge
processors * 1 1
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000510931 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
#set type 1:2 charge 0.0
velocity all create 1.0 87287
pair_style lj/long/coul/long long off 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
kspace_style pppm/disp 1.0e-4
kspace_modify gewald/disp 0.1
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
fix 0 all balance 20 1.0 shift x 5 1.0 weight group 2 fast 1.0 slow 2.0 weight time 0.66
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 500
PPPMDisp initialization ...
Dispersion G vector (1/distance) = 0.1
Dispersion grid = 2 2 2
Dispersion stencil order = 5
Dispersion estimated absolute RMS force accuracy = 1.01251
Dispersion estimated absolute real space RMS force accuracy = 1.01251
Dispersion estimated absolute kspace RMS force accuracy = 7.29446e-07
Disperion estimated relative force accuracy = 1.01251
using double precision FFTs
3d grid and FFT values/proc dispersion = 294 4
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/long/coul/long, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 4.846 | 5.014 | 5.182 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 52.148338 0 53.647963 94.09503 4738.2137
50 17.747599 42.836975 0 69.451719 143.44398 4738.2137
100 9.0390947 49.78615 0 63.341402 117.79296 4738.2137
150 13.456072 47.810527 0 67.989589 140.52068 4738.2137
200 11.358932 52.542448 0 69.576586 142.87196 4738.2137
250 13.204593 48.601437 0 68.403375 134.97484 4738.2137
300 12.061996 50.642194 0 68.730665 133.27077 4738.2137
350 14.107163 50.201375 0 71.356829 143.54662 4738.2137
400 12.053939 50.221116 0 68.297504 132.01999 4738.2137
450 13.523963 50.829687 0 71.11056 143.8183 4738.2137
500 13.135822 50.150114 0 69.848921 137.26364 4738.2137
Loop time of 6.95261 on 2 procs for 500 steps with 4000 atoms
Performance: 31067.471 tau/day, 71.915 timesteps/s
99.5% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 2.8521 | 3.0997 | 3.3472 | 14.1 | 44.58
Kspace | 1.1859 | 1.303 | 1.4202 | 10.3 | 18.74
Neigh | 2.2324 | 2.387 | 2.5417 | 10.0 | 34.33
Comm | 0.1003 | 0.12513 | 0.14996 | 7.0 | 1.80
Output | 0.00033641 | 0.00036693 | 0.00039744 | 0.0 | 0.01
Modify | 0.026408 | 0.02737 | 0.028331 | 0.6 | 0.39
Other | | 0.009989 | | | 0.14
Nlocal: 2000 ave 2316 max 1684 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 9543.5 ave 9675 max 9412 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 254445 ave 276022 max 232868 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 508890
Ave neighs/atom = 127.222
Neighbor list builds = 124
Dangerous builds = 97
Total wall time: 0:00:06

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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
#atom_style charge
processors * 1 1
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000432491 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
#set type 1:2 charge 0.0
velocity all create 1.0 87287
pair_style lj/long/coul/long long off 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
kspace_style pppm/disp 1.0e-4
kspace_modify gewald/disp 0.1
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
fix 0 all balance 20 1.0 shift x 5 1.0 weight group 2 fast 1.0 slow 2.0 weight time 0.66
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 500
PPPMDisp initialization ...
Dispersion G vector (1/distance) = 0.1
Dispersion grid = 2 2 2
Dispersion stencil order = 5
Dispersion estimated absolute RMS force accuracy = 1.01251
Dispersion estimated absolute real space RMS force accuracy = 1.01251
Dispersion estimated absolute kspace RMS force accuracy = 7.29446e-07
Disperion estimated relative force accuracy = 1.01251
using double precision FFTs
3d grid and FFT values/proc dispersion = 294 4
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/long/coul/long, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 4.291 | 4.423 | 4.656 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 52.148338 0 53.647963 94.09503 4738.2137
50 17.850656 42.620113 0 69.389403 142.80556 4738.2137
100 9.4607189 49.700118 0 63.887649 117.51739 4738.2137
150 13.992056 47.731988 0 68.714825 140.56926 4738.2137
200 11.617635 52.509394 0 69.93149 142.6933 4738.2137
250 13.536287 48.33108 0 68.630434 133.91794 4738.2137
300 12.619985 50.328139 0 69.253384 132.46719 4738.2137
350 14.497923 50.092405 0 71.833853 143.39356 4738.2137
400 12.228079 50.202361 0 68.539894 131.75614 4738.2137
450 14.01349 50.908526 0 71.923506 144.25732 4738.2137
500 13.277341 50.381613 0 70.292644 137.20282 4738.2137
Loop time of 6.17838 on 4 procs for 500 steps with 4000 atoms
Performance: 34960.628 tau/day, 80.927 timesteps/s
93.3% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.74813 | 1.6453 | 2.5052 | 65.7 | 26.63
Kspace | 1.036 | 2.9098 | 4.5974 | 94.8 | 47.10
Neigh | 0.27464 | 1.2099 | 2.4155 | 84.8 | 19.58
Comm | 0.1711 | 0.36843 | 0.5217 | 25.2 | 5.96
Output | 0.00052595 | 0.0053349 | 0.0074508 | 3.8 | 0.09
Modify | 0.023363 | 0.027308 | 0.032521 | 2.3 | 0.44
Other | | 0.01228 | | | 0.20
Nlocal: 1000 ave 2002 max 241 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Nghost: 7608 ave 9312 max 5850 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Neighs: 127345 ave 211903 max 47616 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 509381
Ave neighs/atom = 127.345
Neighbor list builds = 124
Dangerous builds = 97
Total wall time: 0:00:06

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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000553608 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
fix p all property/atom d_WEIGHT
fix 0 all balance 50 1.0 shift x 5 1.0 weight neigh 0.8 weight store WEIGHT
compute p all property/atom d_WEIGHT
variable maximb equal f_0[1]
variable iter equal f_0[2]
variable prev equal f_0[3]
variable final equal f_0
#fix 3 all print 50 "${iter} ${prev} ${final} ${maximb}"
fix 1 all nve
#dump id all atom 50 dump.melt
#dump id all custom 50 dump.lammpstrj id type x y z c_p
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mp4 c_p type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3 amap 0.0 2.0 cf 0.1 3 min blue 0.5 green max red
thermo 50
run 500
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
WARNING: Balance weight neigh skipped b/c no list found (src/imbalance_neigh.cpp:65)
Per MPI rank memory allocation (min/avg/max) = 4.562 | 4.753 | 4.944 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137
50 0.49578514 -6.1929216 0 -5.4494298 -1.6668039 4738.2137
100 0.53275389 -6.2475932 0 -5.4486622 -1.9063885 4738.2137
150 0.53316457 -6.2483202 0 -5.4487733 -1.9476162 4738.2137
200 0.536665 -6.2530113 0 -5.448215 -1.933468 4738.2137
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847 4738.2137
300 0.55111476 -6.2727642 0 -5.4462987 -2.0384873 4738.2137
350 0.55211503 -6.274054 0 -5.4460885 -2.0116976 4738.2137
400 0.54638463 -6.2661715 0 -5.4467995 -1.992248 4738.2137
450 0.55885307 -6.2852263 0 -5.4471563 -2.0669747 4738.2137
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802 4738.2137
Loop time of 3.92718 on 2 procs for 500 steps with 4000 atoms
Performance: 55001.290 tau/day, 127.318 timesteps/s
99.2% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 2.2902 | 2.6102 | 2.9303 | 19.8 | 66.47
Neigh | 0.89715 | 0.89718 | 0.8972 | 0.0 | 22.85
Comm | 0.074355 | 0.39408 | 0.7138 | 50.9 | 10.03
Output | 0.0003202 | 0.00035989 | 0.00039959 | 0.0 | 0.01
Modify | 0.016438 | 0.016832 | 0.017226 | 0.3 | 0.43
Other | | 0.008523 | | | 0.22
Nlocal: 2000 ave 2056 max 1944 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10457.5 ave 10508 max 10407 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 298070 ave 333007 max 263132 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 596139
Ave neighs/atom = 149.035
Neighbor list builds = 51
Dangerous builds = 0
run 500
Per MPI rank memory allocation (min/avg/max) = 4.569 | 4.758 | 4.946 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802 4738.2137
550 0.54137926 -6.2592773 0 -5.4474115 -1.9770236 4738.2137
600 0.54022886 -6.2573307 0 -5.44719 -1.9619637 4738.2137
650 0.54709009 -6.2678862 0 -5.4474562 -1.9958342 4738.2137
700 0.54590044 -6.2656903 0 -5.4470444 -1.9957108 4738.2137
750 0.55098488 -6.2724831 0 -5.4462124 -2.0287523 4738.2137
800 0.5520987 -6.2739184 0 -5.4459774 -2.0084991 4738.2137
850 0.54963958 -6.2702473 0 -5.445994 -1.9740031 4738.2137
900 0.54390586 -6.2615476 0 -5.4458927 -1.9400871 4738.2137
950 0.54741732 -6.2665755 0 -5.4456548 -1.9466417 4738.2137
1000 0.54200867 -6.2591246 0 -5.4463148 -1.8881624 4738.2137
Loop time of 3.83028 on 2 procs for 500 steps with 4000 atoms
Performance: 56392.741 tau/day, 130.539 timesteps/s
99.6% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 2.263 | 2.5605 | 2.858 | 18.6 | 66.85
Neigh | 0.8789 | 0.88341 | 0.88791 | 0.5 | 23.06
Comm | 0.068052 | 0.36076 | 0.65347 | 48.7 | 9.42
Output | 0.0003016 | 0.0003438 | 0.000386 | 0.0 | 0.01
Modify | 0.016381 | 0.016829 | 0.017277 | 0.3 | 0.44
Other | | 0.008426 | | | 0.22
Nlocal: 2000 ave 2049 max 1951 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10389 ave 10436 max 10342 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 300836 ave 335987 max 265684 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 601671
Ave neighs/atom = 150.418
Neighbor list builds = 51
Dangerous builds = 0
run 500
Per MPI rank memory allocation (min/avg/max) = 4.569 | 4.758 | 4.946 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1000 0.54200867 -6.2591246 0 -5.4463148 -1.8881624 4738.2137
1050 0.54633412 -6.2656384 0 -5.4463421 -1.9012895 4738.2137
1100 0.54325667 -6.2612166 0 -5.4465353 -1.8870463 4738.2137
1150 0.55057583 -6.2719187 0 -5.4462614 -1.9575881 4738.2137
1200 0.53728175 -6.251744 0 -5.4460228 -1.8124097 4738.2137
1250 0.54077561 -6.2567544 0 -5.4457938 -1.8418134 4738.2137
1300 0.54430333 -6.260995 0 -5.4447442 -1.856351 4738.2137
1350 0.55097839 -6.2715909 0 -5.4453299 -1.9014337 4738.2137
1400 0.53858139 -6.2526781 0 -5.445008 -1.7965773 4738.2137
1450 0.5421844 -6.2574683 0 -5.444395 -1.7901189 4738.2137
1500 0.54200617 -6.2571433 0 -5.4443373 -1.8000344 4738.2137
Loop time of 3.81946 on 2 procs for 500 steps with 4000 atoms
Performance: 56552.445 tau/day, 130.908 timesteps/s
99.6% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 2.2594 | 2.5549 | 2.8504 | 18.5 | 66.89
Neigh | 0.86746 | 0.87203 | 0.8766 | 0.5 | 22.83
Comm | 0.06715 | 0.36699 | 0.66684 | 49.5 | 9.61
Output | 0.00029325 | 0.00033867 | 0.00038409 | 0.0 | 0.01
Modify | 0.016529 | 0.016817 | 0.017105 | 0.2 | 0.44
Other | | 0.008371 | | | 0.22
Nlocal: 2000 ave 2034 max 1966 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10386 ave 10936 max 9836 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 302958 ave 337188 max 268729 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 605917
Ave neighs/atom = 151.479
Neighbor list builds = 51
Dangerous builds = 0
run 500
Per MPI rank memory allocation (min/avg/max) = 4.569 | 4.758 | 4.946 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1500 0.54200617 -6.2571433 0 -5.4443373 -1.8000344 4738.2137
1550 0.53713593 -6.2504069 0 -5.4449044 -1.764709 4738.2137
1600 0.54679556 -6.2646482 0 -5.4446599 -1.8115775 4738.2137
1650 0.53806577 -6.2519006 0 -5.4450037 -1.7409142 4738.2137
1700 0.5347951 -6.2468962 0 -5.4449041 -1.7162331 4738.2137
1750 0.53714568 -6.2506577 0 -5.4451406 -1.7340499 4738.2137
1800 0.52749839 -6.2358664 0 -5.4448167 -1.6874961 4738.2137
1850 0.54585956 -6.2629394 0 -5.4443547 -1.7758764 4738.2137
1900 0.53010831 -6.2387561 0 -5.4437925 -1.6381825 4738.2137
1950 0.54288557 -6.2583073 0 -5.4441826 -1.7368524 4738.2137
2000 0.52765923 -6.2348572 0 -5.4435663 -1.5588839 4738.2137
Loop time of 3.78423 on 2 procs for 500 steps with 4000 atoms
Performance: 57078.976 tau/day, 132.127 timesteps/s
99.4% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 2.2449 | 2.5388 | 2.8328 | 18.4 | 67.09
Neigh | 0.85527 | 0.85828 | 0.86129 | 0.3 | 22.68
Comm | 0.065453 | 0.36215 | 0.65885 | 49.3 | 9.57
Output | 0.00030518 | 0.00032794 | 0.00035071 | 0.0 | 0.01
Modify | 0.016444 | 0.016597 | 0.01675 | 0.1 | 0.44
Other | | 0.008044 | | | 0.21
Nlocal: 2000 ave 2031 max 1969 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10334 ave 10921 max 9747 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 303988 ave 338808 max 269168 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 607976
Ave neighs/atom = 151.994
Neighbor list builds = 51
Dangerous builds = 0
Total wall time: 0:00:15

228
examples/balance/log.27Nov18.balance.neigh.dynamic.g++.4
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@ -1,228 +0,0 @@
LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000430107 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
fix p all property/atom d_WEIGHT
fix 0 all balance 50 1.0 shift x 5 1.0 weight neigh 0.8 weight store WEIGHT
compute p all property/atom d_WEIGHT
variable maximb equal f_0[1]
variable iter equal f_0[2]
variable prev equal f_0[3]
variable final equal f_0
#fix 3 all print 50 "${iter} ${prev} ${final} ${maximb}"
fix 1 all nve
#dump id all atom 50 dump.melt
#dump id all custom 50 dump.lammpstrj id type x y z c_p
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mp4 c_p type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3 amap 0.0 2.0 cf 0.1 3 min blue 0.5 green max red
thermo 50
run 500
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
WARNING: Balance weight neigh skipped b/c no list found (src/imbalance_neigh.cpp:65)
Per MPI rank memory allocation (min/avg/max) = 3.691 | 4.072 | 4.454 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137
50 0.48653399 -6.1788509 0 -5.4492324 -1.6017778 4738.2137
100 0.53411175 -6.249885 0 -5.4489177 -1.9317606 4738.2137
150 0.53646658 -6.2527206 0 -5.4482219 -1.9689568 4738.2137
200 0.54551611 -6.2656326 0 -5.4475631 -2.0042104 4738.2137
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995 4738.2137
300 0.5477618 -6.2678071 0 -5.4463698 -1.997842 4738.2137
350 0.55600296 -6.2801497 0 -5.4463538 -2.0394056 4738.2137
400 0.53241503 -6.2453665 0 -5.4469436 -1.878594 4738.2137
450 0.5439158 -6.2623 0 -5.4466302 -1.9744161 4738.2137
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015 4738.2137
Loop time of 2.45924 on 4 procs for 500 steps with 4000 atoms
Performance: 87831.985 tau/day, 203.315 timesteps/s
97.9% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.1372 | 1.4179 | 1.6656 | 18.1 | 57.66
Neigh | 0.30681 | 0.46841 | 0.69372 | 24.1 | 19.05
Comm | 0.46019 | 0.55206 | 0.6052 | 7.7 | 22.45
Output | 0.00034404 | 0.0005753 | 0.001132 | 0.0 | 0.02
Modify | 0.007339 | 0.0099927 | 0.013719 | 2.7 | 0.41
Other | | 0.01029 | | | 0.42
Nlocal: 1000 ave 1549 max 605 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Nghost: 8755 ave 9851 max 8071 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Neighs: 149308 ave 164554 max 128538 min
Histogram: 1 0 0 1 0 0 0 0 0 2
Total # of neighbors = 597231
Ave neighs/atom = 149.308
Neighbor list builds = 50
Dangerous builds = 0
run 500
Per MPI rank memory allocation (min/avg/max) = 4.097 | 4.288 | 4.475 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015 4738.2137
550 0.53879347 -6.2554274 0 -5.4474393 -1.9756834 4738.2137
600 0.54275982 -6.2616799 0 -5.4477437 -1.9939993 4738.2137
650 0.54526651 -6.265098 0 -5.4474027 -2.0303672 4738.2137
700 0.54369381 -6.263201 0 -5.4478642 -1.9921967 4738.2137
750 0.54452777 -6.2640839 0 -5.4474964 -1.9658675 4738.2137
800 0.55061744 -6.2725556 0 -5.4468359 -2.0100922 4738.2137
850 0.55371614 -6.2763992 0 -5.4460326 -2.0065329 4738.2137
900 0.54756622 -6.2668303 0 -5.4456863 -1.9796122 4738.2137
950 0.54791593 -6.2673161 0 -5.4456477 -1.9598278 4738.2137
1000 0.54173198 -6.2586101 0 -5.4462153 -1.9007466 4738.2137
Loop time of 2.389 on 4 procs for 500 steps with 4000 atoms
Performance: 90414.542 tau/day, 209.293 timesteps/s
97.2% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.2112 | 1.381 | 1.5214 | 11.0 | 57.81
Neigh | 0.29746 | 0.48382 | 0.74669 | 27.5 | 20.25
Comm | 0.40449 | 0.50032 | 0.57922 | 9.4 | 20.94
Output | 0.00033617 | 0.00064272 | 0.0013907 | 0.0 | 0.03
Modify | 0.0070128 | 0.010942 | 0.015494 | 3.7 | 0.46
Other | | 0.01223 | | | 0.51
Nlocal: 1000 ave 1569 max 595 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Nghost: 8715.25 ave 9779 max 8018 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Neighs: 150170 ave 163282 max 132114 min
Histogram: 1 0 0 1 0 0 0 0 0 2
Total # of neighbors = 600678
Ave neighs/atom = 150.169
Neighbor list builds = 53
Dangerous builds = 0
run 500
Per MPI rank memory allocation (min/avg/max) = 4.097 | 4.288 | 4.475 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1000 0.54173198 -6.2586101 0 -5.4462153 -1.9007466 4738.2137
1050 0.54629742 -6.2657526 0 -5.4465113 -1.945821 4738.2137
1100 0.55427881 -6.2781733 0 -5.446963 -2.0021027 4738.2137
1150 0.54730654 -6.267257 0 -5.4465025 -1.9420678 4738.2137
1200 0.5388281 -6.2547963 0 -5.4467562 -1.890178 4738.2137
1250 0.54848768 -6.2694237 0 -5.4468979 -1.9636797 4738.2137
1300 0.54134321 -6.2590728 0 -5.447261 -1.9170271 4738.2137
1350 0.53564389 -6.2501521 0 -5.4468871 -1.8642306 4738.2137
1400 0.53726924 -6.2518379 0 -5.4461355 -1.8544028 4738.2137
1450 0.54525935 -6.2632653 0 -5.4455808 -1.9072158 4738.2137
1500 0.54223346 -6.2591057 0 -5.4459588 -1.8866985 4738.2137
Loop time of 2.45895 on 4 procs for 500 steps with 4000 atoms
Performance: 87842.291 tau/day, 203.339 timesteps/s
95.7% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.2592 | 1.4017 | 1.5327 | 11.0 | 57.01
Neigh | 0.28831 | 0.47661 | 0.75988 | 28.7 | 19.38
Comm | 0.41426 | 0.54907 | 0.6044 | 10.6 | 22.33
Output | 0.0003705 | 0.00060898 | 0.0012109 | 0.0 | 0.02
Modify | 0.014004 | 0.016774 | 0.020669 | 1.9 | 0.68
Other | | 0.01415 | | | 0.58
Nlocal: 1000 ave 1543 max 605 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Nghost: 8704.5 ave 9803 max 7983 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Neighs: 150494 ave 166334 max 129306 min
Histogram: 1 0 0 1 0 0 0 0 0 2
Total # of neighbors = 601974
Ave neighs/atom = 150.494
Neighbor list builds = 51
Dangerous builds = 0
run 500
Per MPI rank memory allocation (min/avg/max) = 4.097 | 4.288 | 4.475 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1500 0.54223346 -6.2591057 0 -5.4459588 -1.8866985 4738.2137
1550 0.55327018 -6.2750126 0 -5.4453148 -1.9506585 4738.2137
1600 0.54419004 -6.2612622 0 -5.4451812 -1.8559437 4738.2137
1650 0.54710034 -6.2661938 0 -5.4457484 -1.8882763 4738.2137
1700 0.53665691 -6.2504958 0 -5.4457117 -1.8068009 4738.2137
1750 0.5486471 -6.2681127 0 -5.4453478 -1.8662656 4738.2137
1800 0.54476222 -6.2615086 0 -5.4445695 -1.8352838 4738.2137
1850 0.54143048 -6.2555517 0 -5.443609 -1.8005726 4738.2137
1900 0.53992511 -6.254136 0 -5.4444508 -1.7768715 4738.2137
1950 0.54665895 -6.2640958 0 -5.4443124 -1.7946993 4738.2137
2000 0.5455751 -6.2625337 0 -5.4443756 -1.8072242 4738.2137
Loop time of 2.42708 on 4 procs for 500 steps with 4000 atoms
Performance: 88995.678 tau/day, 206.009 timesteps/s
97.3% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.2482 | 1.3902 | 1.5329 | 10.6 | 57.28
Neigh | 0.31099 | 0.50813 | 0.78451 | 28.1 | 20.94
Comm | 0.37293 | 0.5011 | 0.58684 | 11.2 | 20.65
Output | 0.00033593 | 0.00060582 | 0.0012991 | 0.0 | 0.02
Modify | 0.007091 | 0.0097566 | 0.013303 | 2.7 | 0.40
Other | | 0.01727 | | | 0.71
Nlocal: 1000 ave 1539 max 607 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Nghost: 8677 ave 9837 max 7981 min
Histogram: 2 0 0 0 1 0 0 0 0 1
Neighs: 151655 ave 168263 max 129443 min
Histogram: 1 0 0 1 0 0 0 0 0 2
Total # of neighbors = 606619
Ave neighs/atom = 151.655
Neighbor list builds = 56
Dangerous builds = 0
Total wall time: 0:00:09

141
examples/balance/log.27Nov18.balance.neigh.rcb.g++.2
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@ -1,141 +0,0 @@
LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000511885 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
comm_style tiled
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
fix p all property/atom d_WEIGHT
fix 0 all balance 50 1.0 rcb weight neigh 0.8 weight store WEIGHT
compute p all property/atom d_WEIGHT
variable maximb equal f_0[1]
variable iter equal f_0[2]
variable prev equal f_0[3]
variable final equal f_0
#fix 3 all print 50 "${iter} ${prev} ${final} ${maximb}"
fix 1 all nve
#dump id all atom 50 dump.melt
#dump id all custom 50 dump.lammpstrj id type x y z c_p
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
WARNING: Balance weight neigh skipped b/c no list found (src/imbalance_neigh.cpp:65)
Per MPI rank memory allocation (min/avg/max) = 4.138 | 4.329 | 4.52 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137
50 0.49578514 -6.1929216 0 -5.4494298 -1.6668039 4738.2137
100 0.53275389 -6.2475932 0 -5.4486622 -1.9063885 4738.2137
150 0.53316457 -6.2483202 0 -5.4487733 -1.9476162 4738.2137
200 0.536665 -6.2530113 0 -5.448215 -1.933468 4738.2137
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847 4738.2137
Loop time of 1.80309 on 2 procs for 250 steps with 4000 atoms
Performance: 59897.213 tau/day, 138.651 timesteps/s
97.9% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.2185 | 1.2646 | 1.3106 | 4.1 | 70.13
Neigh | 0.43131 | 0.43248 | 0.43365 | 0.2 | 23.99
Comm | 0.045418 | 0.090311 | 0.1352 | 14.9 | 5.01
Output | 0.00017476 | 0.00021195 | 0.00024915 | 0.0 | 0.01
Modify | 0.011012 | 0.01103 | 0.011048 | 0.0 | 0.61
Other | | 0.004476 | | | 0.25
Nlocal: 2000 ave 2000 max 2000 min
Histogram: 2 0 0 0 0 0 0 0 0 0
Nghost: 10412.5 ave 10414 max 10411 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 298332 ave 299797 max 296867 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 596664
Ave neighs/atom = 149.166
Neighbor list builds = 25
Dangerous builds = 0
run 250
Per MPI rank memory allocation (min/avg/max) = 4.929 | 4.929 | 4.93 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847 4738.2137
300 0.55111476 -6.2727642 0 -5.4462987 -2.0384873 4738.2137
350 0.55211503 -6.274054 0 -5.4460885 -2.0116976 4738.2137
400 0.54638463 -6.2661715 0 -5.4467995 -1.992248 4738.2137
450 0.55885307 -6.2852263 0 -5.4471563 -2.0669747 4738.2137
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802 4738.2137
Loop time of 1.77097 on 2 procs for 250 steps with 4000 atoms
Performance: 60983.669 tau/day, 141.166 timesteps/s
99.4% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.2353 | 1.2515 | 1.2678 | 1.5 | 70.67
Neigh | 0.44235 | 0.44303 | 0.44371 | 0.1 | 25.02
Comm | 0.045978 | 0.061555 | 0.077133 | 6.3 | 3.48
Output | 0.0001564 | 0.00016713 | 0.00017786 | 0.0 | 0.01
Modify | 0.010305 | 0.01031 | 0.010315 | 0.0 | 0.58
Other | | 0.004365 | | | 0.25
Nlocal: 2000 ave 2000 max 2000 min
Histogram: 2 0 0 0 0 0 0 0 0 0
Nghost: 10466.5 ave 10470 max 10463 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 298070 ave 349236 max 246903 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 596139
Ave neighs/atom = 149.035
Neighbor list builds = 26
Dangerous builds = 0
Total wall time: 0:00:03

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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000440836 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
comm_style tiled
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
fix p all property/atom d_WEIGHT
fix 0 all balance 50 1.0 rcb weight neigh 0.8 weight store WEIGHT
compute p all property/atom d_WEIGHT
variable maximb equal f_0[1]
variable iter equal f_0[2]
variable prev equal f_0[3]
variable final equal f_0
#fix 3 all print 50 "${iter} ${prev} ${final} ${maximb}"
fix 1 all nve
#dump id all atom 50 dump.melt
#dump id all custom 50 dump.lammpstrj id type x y z c_p
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
WARNING: Balance weight neigh skipped b/c no list found (src/imbalance_neigh.cpp:65)
Per MPI rank memory allocation (min/avg/max) = 3.917 | 3.927 | 3.945 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137
50 0.48653399 -6.1788509 0 -5.4492324 -1.6017778 4738.2137
100 0.53411175 -6.249885 0 -5.4489177 -1.9317606 4738.2137
150 0.53646658 -6.2527206 0 -5.4482219 -1.9689568 4738.2137
200 0.54551611 -6.2656326 0 -5.4475631 -2.0042104 4738.2137
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995 4738.2137
Loop time of 1.0693 on 4 procs for 250 steps with 4000 atoms
Performance: 101000.295 tau/day, 233.797 timesteps/s
89.5% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.58255 | 0.65493 | 0.72281 | 8.3 | 61.25
Neigh | 0.214 | 0.22344 | 0.23158 | 1.4 | 20.90
Comm | 0.10451 | 0.17801 | 0.25967 | 17.3 | 16.65
Output | 0.00015521 | 0.00020903 | 0.00034142 | 0.0 | 0.02
Modify | 0.007113 | 0.0073407 | 0.0076027 | 0.2 | 0.69
Other | | 0.005369 | | | 0.50
Nlocal: 1000 ave 1005 max 996 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Nghost: 7674 ave 7679 max 7670 min
Histogram: 1 1 0 0 0 0 1 0 0 1
Neighs: 149349 ave 149991 max 147960 min
Histogram: 1 0 0 0 0 0 0 1 0 2
Total # of neighbors = 597396
Ave neighs/atom = 149.349
Neighbor list builds = 25
Dangerous builds = 0
run 250
Per MPI rank memory allocation (min/avg/max) = 3.922 | 4.004 | 4.078 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995 4738.2137
300 0.5477618 -6.2678071 0 -5.4463698 -1.997842 4738.2137
350 0.55600296 -6.2801497 0 -5.4463538 -2.0394056 4738.2137
400 0.53241503 -6.2453665 0 -5.4469436 -1.878594 4738.2137
450 0.5439158 -6.2623 0 -5.4466302 -1.9744161 4738.2137
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015 4738.2137
Loop time of 0.999028 on 4 procs for 250 steps with 4000 atoms
Performance: 108105.088 tau/day, 250.243 timesteps/s
93.7% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.60256 | 0.6507 | 0.68091 | 3.8 | 65.13
Neigh | 0.21602 | 0.21945 | 0.22516 | 0.8 | 21.97
Comm | 0.087366 | 0.11787 | 0.16957 | 9.6 | 11.80
Output | 0.00016737 | 0.00028127 | 0.00057006 | 0.0 | 0.03
Modify | 0.0065138 | 0.0066211 | 0.0067828 | 0.1 | 0.66
Other | | 0.004103 | | | 0.41
Nlocal: 1000 ave 1005 max 994 min
Histogram: 1 0 0 1 0 0 0 0 1 1
Nghost: 7675.75 ave 7703 max 7648 min
Histogram: 1 1 0 0 0 0 0 0 1 1
Neighs: 149308 ave 173909 max 124842 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 597231
Ave neighs/atom = 149.308
Neighbor list builds = 25
Dangerous builds = 0
Total wall time: 0:00:02

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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
variable factor index 1.0
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000495195 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
balance 1.0 shift x 10 1.0 weight neigh 0.8 # out weighted_var.txt
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
WARNING: Balance weight neigh skipped b/c no list found (src/imbalance_neigh.cpp:65)
rebalancing time: 0.000623703 seconds
iteration count = 1
neigh weight factor: 0.8
initial/final max load/proc = 2000 2000
initial/final imbalance factor = 1 1
x cuts: 0 0.5 1
y cuts: 0 1
z cuts: 0 1
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250 post no
Per MPI rank memory allocation (min/avg/max) = 4.297 | 4.488 | 4.678 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1 -6.9453205 0 -5.4456955 -5.6812358
50 0.49578514 -6.1929216 0 -5.4494298 -1.6668039
100 0.53275389 -6.2475932 0 -5.4486622 -1.9063885
150 0.53316457 -6.2483202 0 -5.4487733 -1.9476162
200 0.536665 -6.2530113 0 -5.448215 -1.933468
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847
Loop time of 1.97176 on 2 procs for 250 steps with 4000 atoms
balance 1.0 shift x 10 1.0 weight neigh 0.8
rebalancing time: 0.000482321 seconds
iteration count = 10
neigh weight factor: 0.8
initial/final max load/proc = 290759 262123
initial/final imbalance factor = 1.10982 1.00052
x cuts: 0 0.45166 1
y cuts: 0 1
z cuts: 0 1
run 250 post no
Per MPI rank memory allocation (min/avg/max) = 4.304 | 4.492 | 4.681 Mbytes
Step Temp E_pair E_mol TotEng Press
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847
300 0.55111476 -6.2727642 0 -5.4462987 -2.0384873
350 0.55211503 -6.274054 0 -5.4460885 -2.0116976
400 0.54638463 -6.2661715 0 -5.4467995 -1.992248
450 0.55885307 -6.2852263 0 -5.4471563 -2.0669747
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802
Loop time of 1.77716 on 2 procs for 250 steps with 4000 atoms
balance 1.0 shift x 10 1.0 weight neigh 0.8
rebalancing time: 0.000497341 seconds
iteration count = 10
neigh weight factor: 0.8
initial/final max load/proc = 296648 269016
initial/final imbalance factor = 1.10642 1.00336
x cuts: 0 0.501461 1
y cuts: 0 1
z cuts: 0 1
run 250 post no
Per MPI rank memory allocation (min/avg/max) = 4.681 | 4.683 | 4.686 Mbytes
Step Temp E_pair E_mol TotEng Press
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802
550 0.54137926 -6.2592773 0 -5.4474115 -1.9770236
600 0.54022886 -6.2573307 0 -5.44719 -1.9619637
650 0.54709009 -6.2678862 0 -5.4474562 -1.9958342
700 0.54590044 -6.2656903 0 -5.4470444 -1.9957108
750 0.55098488 -6.2724831 0 -5.4462124 -2.0287523
Loop time of 2.0039 on 2 procs for 250 steps with 4000 atoms
balance 1.0 shift x 10 1.0 weight neigh 0.8 weight time 0.6
rebalancing time: 0.000368118 seconds
iteration count = 10
neigh weight factor: 0.8
time weight factor: 0.6
initial/final max load/proc = 168.493 167.093
initial/final imbalance factor = 1.00948 1.00109
x cuts: 0 0.499991 1
y cuts: 0 1
z cuts: 0 1
run 250
Per MPI rank memory allocation (min/avg/max) = 4.681 | 4.683 | 4.686 Mbytes
Step Temp E_pair E_mol TotEng Press
750 0.55098488 -6.2724831 0 -5.4462124 -2.0287523
800 0.5520987 -6.2739184 0 -5.4459774 -2.0084991
850 0.54963958 -6.2702473 0 -5.445994 -1.9740031
900 0.54390586 -6.2615476 0 -5.4458927 -1.9400871
950 0.54741732 -6.2665755 0 -5.4456548 -1.9466417
1000 0.54200867 -6.2591246 0 -5.4463148 -1.8881624
Loop time of 2.0382 on 2 procs for 250 steps with 4000 atoms
Performance: 52987.998 tau/day, 122.657 timesteps/s
98.9% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.96918 | 1.257 | 1.5449 | 25.7 | 61.67
Neigh | 0.40421 | 0.42672 | 0.44923 | 3.4 | 20.94
Comm | 0.032542 | 0.34306 | 0.65358 | 53.0 | 16.83
Output | 0.00014377 | 0.00015366 | 0.00016356 | 0.0 | 0.01
Modify | 0.0070617 | 0.007337 | 0.0076122 | 0.3 | 0.36
Other | | 0.003878 | | | 0.19
Nlocal: 2000 ave 2056 max 1944 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10403.5 ave 10525 max 10282 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 300836 ave 365656 max 236015 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 601671
Ave neighs/atom = 150.418
Neighbor list builds = 25
Dangerous builds = 0
balance 1.0 shift x 10 1.0 weight neigh 0.8 weight time 0.6
rebalancing time: 0.000344753 seconds
iteration count = 10
neigh weight factor: 0.8
time weight factor: 0.6
initial/final max load/proc = 170.235 168.809
initial/final imbalance factor = 1.01037 1.00191
x cuts: 0 0.49755 1
y cuts: 0 1
z cuts: 0 1
run 250
Per MPI rank memory allocation (min/avg/max) = 4.681 | 4.683 | 4.686 Mbytes
Step Temp E_pair E_mol TotEng Press
1000 0.54200867 -6.2591246 0 -5.4463148 -1.8881624
1050 0.54633412 -6.2656384 0 -5.4463421 -1.9012895
1100 0.54325667 -6.2612166 0 -5.4465353 -1.8870463
1150 0.55057583 -6.2719187 0 -5.4462614 -1.9575881
1200 0.53728175 -6.251744 0 -5.4460228 -1.8124097
1250 0.54077561 -6.2567544 0 -5.4457938 -1.8418134
Loop time of 2.01086 on 2 procs for 250 steps with 4000 atoms
Performance: 53708.387 tau/day, 124.325 timesteps/s
98.9% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.0037 | 1.2615 | 1.5192 | 23.0 | 62.73
Neigh | 0.40846 | 0.4277 | 0.44695 | 2.9 | 21.27
Comm | 0.033029 | 0.31012 | 0.5872 | 49.8 | 15.42
Output | 0.00014424 | 0.00015259 | 0.00016093 | 0.0 | 0.01
Modify | 0.007298 | 0.0074347 | 0.0075715 | 0.2 | 0.37
Other | | 0.003999 | | | 0.20
Nlocal: 2000 ave 2038 max 1962 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10391 ave 10489 max 10293 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 301104 ave 358264 max 243943 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 602207
Ave neighs/atom = 150.552
Neighbor list builds = 25
Dangerous builds = 0
Total wall time: 0:00:09

211
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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
variable factor index 1.0
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000429153 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
balance 1.0 shift x 10 1.0 weight neigh 0.8 # out weighted_var.txt
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
WARNING: Balance weight neigh skipped b/c no list found (src/imbalance_neigh.cpp:65)
rebalancing time: 0.000684023 seconds
iteration count = 3
neigh weight factor: 0.8
initial/final max load/proc = 1200 1000
initial/final imbalance factor = 1.2 1
x cuts: 0 0.25 0.5 0.71875 1
y cuts: 0 1
z cuts: 0 1
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250 post no
Per MPI rank memory allocation (min/avg/max) = 3.426 | 3.802 | 4.188 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1 -6.9453205 0 -5.4456955 -5.6812358
50 0.48653399 -6.1788509 0 -5.4492324 -1.6017778
100 0.53411175 -6.249885 0 -5.4489177 -1.9317606
150 0.53646658 -6.2527206 0 -5.4482219 -1.9689568
200 0.54551611 -6.2656326 0 -5.4475631 -2.0042104
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995
Loop time of 1.44749 on 4 procs for 250 steps with 4000 atoms
balance 1.0 shift x 10 1.0 weight neigh 0.8
rebalancing time: 0.000543356 seconds
iteration count = 10
neigh weight factor: 0.8
initial/final max load/proc = 220132 125739
initial/final imbalance factor = 1.75833 1.00436
x cuts: 0 0.304443 0.450928 0.626678 1
y cuts: 0 1
z cuts: 0 1
run 250 post no
Per MPI rank memory allocation (min/avg/max) = 3.814 | 3.999 | 4.192 Mbytes
Step Temp E_pair E_mol TotEng Press
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995
300 0.5477618 -6.2678071 0 -5.4463698 -1.997842
350 0.55600296 -6.2801497 0 -5.4463538 -2.0394056
400 0.53241503 -6.2453665 0 -5.4469436 -1.878594
450 0.5439158 -6.2623 0 -5.4466302 -1.9744161
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015
Loop time of 1.19834 on 4 procs for 250 steps with 4000 atoms
balance 1.0 shift x 10 1.0 weight neigh 0.8
rebalancing time: 0.000308752 seconds
iteration count = 10
neigh weight factor: 0.8
initial/final max load/proc = 147109 128929
initial/final imbalance factor = 1.14487 1.00338
x cuts: 0 0.304873 0.449926 0.59527 1
y cuts: 0 1
z cuts: 0 1
run 250 post no
Per MPI rank memory allocation (min/avg/max) = 3.832 | 4.018 | 4.209 Mbytes
Step Temp E_pair E_mol TotEng Press
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015
550 0.53879347 -6.2554274 0 -5.4474393 -1.9756834
600 0.54275982 -6.2616799 0 -5.4477437 -1.9939993
650 0.54526651 -6.265098 0 -5.4474027 -2.0303672
700 0.54369381 -6.263201 0 -5.4478642 -1.9921967
750 0.54452777 -6.2640839 0 -5.4474964 -1.9658675
Loop time of 1.23246 on 4 procs for 250 steps with 4000 atoms
balance 1.0 shift x 10 1.0 weight neigh 0.8 weight time 0.6
rebalancing time: 0.000306845 seconds
iteration count = 10
neigh weight factor: 0.8
time weight factor: 0.6
initial/final max load/proc = 114.116 101.665
initial/final imbalance factor = 1.12567 1.00285
x cuts: 0 0.30983 0.449501 0.588031 1
y cuts: 0 1
z cuts: 0 1
run 250
Per MPI rank memory allocation (min/avg/max) = 3.832 | 4.018 | 4.209 Mbytes
Step Temp E_pair E_mol TotEng Press
750 0.54452777 -6.2640839 0 -5.4474964 -1.9658675
800 0.55061744 -6.2725556 0 -5.4468359 -2.0100922
850 0.55371614 -6.2763992 0 -5.4460326 -2.0065329
900 0.54756622 -6.2668303 0 -5.4456863 -1.9796122
950 0.54791593 -6.2673161 0 -5.4456477 -1.9598278
1000 0.54173198 -6.2586101 0 -5.4462153 -1.9007466
Loop time of 1.13265 on 4 procs for 250 steps with 4000 atoms
Performance: 95351.673 tau/day, 220.721 timesteps/s
97.5% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.64092 | 0.67347 | 0.70289 | 3.5 | 59.46
Neigh | 0.11654 | 0.22172 | 0.35287 | 22.2 | 19.58
Comm | 0.068215 | 0.22827 | 0.36221 | 28.0 | 20.15
Output | 0.00016975 | 0.00031555 | 0.00065875 | 0.0 | 0.03
Modify | 0.00214 | 0.004007 | 0.0062947 | 3.0 | 0.35
Other | | 0.004862 | | | 0.43
Nlocal: 1000 ave 1651 max 529 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Nghost: 8692.5 ave 9709 max 8037 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Neighs: 150170 ave 154877 max 145634 min
Histogram: 1 0 0 1 0 0 1 0 0 1
Total # of neighbors = 600681
Ave neighs/atom = 150.17
Neighbor list builds = 25
Dangerous builds = 0
balance 1.0 shift x 10 1.0 weight neigh 0.8 weight time 0.6
rebalancing time: 0.000319719 seconds
iteration count = 10
neigh weight factor: 0.8
time weight factor: 0.6
initial/final max load/proc = 102.192 99.2749
initial/final imbalance factor = 1.03206 1.0026
x cuts: 0 0.312695 0.449907 0.587625 1
y cuts: 0 1
z cuts: 0 1
run 250
Per MPI rank memory allocation (min/avg/max) = 3.832 | 4.019 | 4.209 Mbytes
Step Temp E_pair E_mol TotEng Press
1000 0.54173198 -6.2586101 0 -5.4462153 -1.9007466
1050 0.54629742 -6.2657526 0 -5.4465113 -1.945821
1100 0.55427881 -6.2781733 0 -5.446963 -2.0021027
1150 0.54730654 -6.267257 0 -5.4465025 -1.9420678
1200 0.5388281 -6.2547963 0 -5.4467562 -1.890178
1250 0.54848768 -6.2694237 0 -5.4468979 -1.9636797
Loop time of 1.16447 on 4 procs for 250 steps with 4000 atoms
Performance: 92745.661 tau/day, 214.689 timesteps/s
97.2% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.61612 | 0.67903 | 0.73112 | 5.1 | 58.31
Neigh | 0.11722 | 0.22257 | 0.35236 | 22.3 | 19.11
Comm | 0.099441 | 0.25198 | 0.42338 | 28.4 | 21.64
Output | 0.00018501 | 0.0012686 | 0.0040495 | 4.5 | 0.11
Modify | 0.0020952 | 0.0044899 | 0.0086782 | 4.0 | 0.39
Other | | 0.005134 | | | 0.44
Nlocal: 1000 ave 1631 max 523 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Nghost: 8693.75 ave 9752 max 8002 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Neighs: 149995 ave 161500 max 141963 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Total # of neighbors = 599979
Ave neighs/atom = 149.995
Neighbor list builds = 25
Dangerous builds = 0
Total wall time: 0:00:06

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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000491142 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
fix p all property/atom d_WEIGHT
compute p all property/atom d_WEIGHT
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
balance 1.0 shift x 10 1.0 weight group 2 fast 0.8 slow 2.5 weight store WEIGHT
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
rebalancing time: 0.000805378 seconds
iteration count = 10
group weights: fast=0.8 slow=2.5
storing weight in atom property d_WEIGHT
initial/final max load/proc = 2960 3120
initial/final imbalance factor = 1.06093 1.11828
x cuts: 0 0.449707 1
y cuts: 0 1
z cuts: 0 1
variable lastweight atom c_p
fix 0 all balance 50 1.0 shift x 10 1.0 weight var lastweight weight time 0.5 weight store WEIGHT
variable maximb equal f_0[1]
variable iter equal f_0[2]
variable prev equal f_0[3]
variable final equal f_0
#fix 3 all print 50 "${iter} ${prev} ${final} ${maximb}"
fix 1 all nve
#dump id all atom 50 dump.melt
#dump id all custom 50 dump.lammpstrj id type x y z c_p
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 500
Per MPI rank memory allocation (min/avg/max) = 4.708 | 4.876 | 5.044 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137
50 0.49578514 -6.1929216 0 -5.4494298 -1.6668039 4738.2137
100 0.53275389 -6.2475932 0 -5.4486622 -1.9063885 4738.2137
150 0.53316457 -6.2483202 0 -5.4487733 -1.9476162 4738.2137
200 0.536665 -6.2530113 0 -5.448215 -1.933468 4738.2137
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847 4738.2137
300 0.55111476 -6.2727642 0 -5.4462987 -2.0384873 4738.2137
350 0.55211503 -6.274054 0 -5.4460885 -2.0116976 4738.2137
400 0.54638463 -6.2661715 0 -5.4467995 -1.992248 4738.2137
450 0.55885307 -6.2852263 0 -5.4471563 -2.0669747 4738.2137
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802 4738.2137
Loop time of 5.01752 on 2 procs for 500 steps with 4000 atoms
Performance: 43049.176 tau/day, 99.651 timesteps/s
98.5% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.4325 | 2.6317 | 3.8309 | 73.9 | 52.45
Neigh | 0.72307 | 0.89995 | 1.0768 | 18.6 | 17.94
Comm | 0.08143 | 1.4587 | 2.836 | 114.0 | 29.07
Output | 0.00034356 | 0.00034773 | 0.00035191 | 0.0 | 0.01
Modify | 0.015713 | 0.017661 | 0.01961 | 1.5 | 0.35
Other | | 0.009141 | | | 0.18
Nlocal: 2000 ave 2500 max 1500 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10457 ave 11055 max 9859 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 298070 ave 483758 max 112381 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 596139
Ave neighs/atom = 149.035
Neighbor list builds = 51
Dangerous builds = 0
run 500
Per MPI rank memory allocation (min/avg/max) = 5.092 | 5.269 | 5.445 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802 4738.2137
550 0.54137926 -6.2592773 0 -5.4474115 -1.9770236 4738.2137
600 0.54022886 -6.2573307 0 -5.44719 -1.9619637 4738.2137
650 0.54709009 -6.2678862 0 -5.4474562 -1.9958342 4738.2137
700 0.54590044 -6.2656903 0 -5.4470444 -1.9957108 4738.2137
750 0.55098488 -6.2724831 0 -5.4462124 -2.0287523 4738.2137
800 0.5520987 -6.2739184 0 -5.4459774 -2.0084991 4738.2137
850 0.54963958 -6.2702473 0 -5.445994 -1.9740031 4738.2137
900 0.54390586 -6.2615476 0 -5.4458927 -1.9400871 4738.2137
950 0.54741732 -6.2665755 0 -5.4456548 -1.9466417 4738.2137
1000 0.54200867 -6.2591246 0 -5.4463148 -1.8881624 4738.2137
Loop time of 5.38962 on 2 procs for 500 steps with 4000 atoms
Performance: 40077.052 tau/day, 92.771 timesteps/s
98.0% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.93627 | 2.5477 | 4.1591 | 101.0 | 47.27
Neigh | 0.61458 | 0.87078 | 1.127 | 27.5 | 16.16
Comm | 0.072418 | 1.9424 | 3.8124 | 134.2 | 36.04
Output | 0.00034833 | 0.00035048 | 0.00035262 | 0.0 | 0.01
Modify | 0.014652 | 0.018169 | 0.021687 | 2.6 | 0.34
Other | | 0.01024 | | | 0.19
Nlocal: 2000 ave 2561 max 1439 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10257 ave 11109 max 9405 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 300836 ave 498670 max 103001 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 601671
Ave neighs/atom = 150.418
Neighbor list builds = 51
Dangerous builds = 0
balance 1.0 shift x 10 1.0 weight group 2 fast 0.8 slow 2.5 weight store WEIGHT
rebalancing time: 0.000744104 seconds
iteration count = 10
group weights: fast=0.8 slow=2.5
storing weight in atom property d_WEIGHT
initial/final max load/proc = 4428.8 2798.1
initial/final imbalance factor = 1.58738 1.0029
x cuts: 0 0.45485 1
y cuts: 0 1
z cuts: 0 1
fix 0 all balance 50 1.0 shift x 5 1.0 weight var lastweight weight neigh 0.5 weight store WEIGHT
run 500
Per MPI rank memory allocation (min/avg/max) = 5.098 | 5.464 | 5.83 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1000 0.54200867 -6.2591246 0 -5.4463148 -1.8881624 4738.2137
1050 0.54633412 -6.2656384 0 -5.4463421 -1.9012895 4738.2137
1100 0.54325667 -6.2612166 0 -5.4465353 -1.8870463 4738.2137
1150 0.55057583 -6.2719187 0 -5.4462614 -1.9575881 4738.2137
1200 0.53728175 -6.251744 0 -5.4460228 -1.8124097 4738.2137
1250 0.54077561 -6.2567544 0 -5.4457938 -1.8418134 4738.2137
1300 0.54430333 -6.260995 0 -5.4447442 -1.856351 4738.2137
1350 0.55097839 -6.2715909 0 -5.4453299 -1.9014337 4738.2137
1400 0.53858139 -6.2526781 0 -5.445008 -1.7965773 4738.2137
1450 0.54218439 -6.2574683 0 -5.444395 -1.7901189 4738.2137
1500 0.54200616 -6.2571433 0 -5.4443373 -1.8000345 4738.2137
Loop time of 5.50675 on 2 procs for 500 steps with 4000 atoms
Performance: 39224.584 tau/day, 90.798 timesteps/s
98.0% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.1091 | 2.6165 | 4.124 | 93.2 | 47.51
Neigh | 0.49666 | 0.88338 | 1.2701 | 41.1 | 16.04
Comm | 0.079062 | 1.9768 | 3.8745 | 135.0 | 35.90
Output | 0.00032926 | 0.00041151 | 0.00049376 | 0.0 | 0.01
Modify | 0.012776 | 0.018102 | 0.023428 | 4.0 | 0.33
Other | | 0.01156 | | | 0.21
Nlocal: 2000 ave 3010 max 990 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10343 ave 12129 max 8557 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 302958 ave 519016 max 86901 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 605917
Ave neighs/atom = 151.479
Neighbor list builds = 51
Dangerous builds = 0
run 500
Per MPI rank memory allocation (min/avg/max) = 5.847 | 5.872 | 5.897 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1500 0.54200616 -6.2571433 0 -5.4443373 -1.8000345 4738.2137
1550 0.5371361 -6.250403 0 -5.4449003 -1.7647032 4738.2137
1600 0.54679571 -6.2646443 0 -5.4446558 -1.8115722 4738.2137
1650 0.53806587 -6.2519009 0 -5.4450039 -1.7409152 4738.2137
1700 0.53479436 -6.2469032 0 -5.4449122 -1.7162441 4738.2137
1750 0.53714071 -6.2506513 0 -5.4451416 -1.7340205 4738.2137
1800 0.52750533 -6.2358819 0 -5.4448217 -1.687537 4738.2137
1850 0.54585346 -6.262937 0 -5.4443615 -1.7758597 4738.2137
1900 0.53011247 -6.2387653 0 -5.4437954 -1.6382086 4738.2137
1950 0.54287683 -6.2583097 0 -5.4441981 -1.7367469 4738.2137
2000 0.52771288 -6.2349676 0 -5.4435962 -1.5593804 4738.2137
Loop time of 5.80884 on 2 procs for 500 steps with 4000 atoms
Performance: 37184.695 tau/day, 86.076 timesteps/s
97.7% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.71314 | 2.5435 | 4.3738 | 114.8 | 43.79
Neigh | 0.39935 | 0.85806 | 1.3168 | 49.5 | 14.77
Comm | 0.082629 | 2.3761 | 4.6695 | 148.8 | 40.90
Output | 0.00034571 | 0.00044024 | 0.00053477 | 0.0 | 0.01
Modify | 0.011643 | 0.018227 | 0.024811 | 4.9 | 0.31
Other | | 0.01257 | | | 0.22
Nlocal: 2000 ave 3032 max 968 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10266 ave 12245 max 8287 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 303998 ave 525128 max 82868 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 607996
Ave neighs/atom = 151.999
Neighbor list builds = 51
Dangerous builds = 0
Total wall time: 0:00:21

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@ -1,257 +0,0 @@
LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000424862 secs
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
fix p all property/atom d_WEIGHT
compute p all property/atom d_WEIGHT
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
balance 1.0 shift x 10 1.0 weight group 2 fast 0.8 slow 2.5 weight store WEIGHT
Neighbor list info ...
update every 2 steps, delay 4 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
rebalancing time: 0.00115108 seconds
iteration count = 10
group weights: fast=0.8 slow=2.5
storing weight in atom property d_WEIGHT
initial/final max load/proc = 2160 1620
initial/final imbalance factor = 1.54839 1.16129
x cuts: 0 0.300049 0.449951 0.599854 1
y cuts: 0 1
z cuts: 0 1
variable lastweight atom c_p
fix 0 all balance 50 1.0 shift x 10 1.0 weight var lastweight weight time 0.5 weight store WEIGHT
variable maximb equal f_0[1]
variable iter equal f_0[2]
variable prev equal f_0[3]
variable final equal f_0
#fix 3 all print 50 "${iter} ${prev} ${final} ${maximb}"
fix 1 all nve
#dump id all atom 50 dump.melt
#dump id all custom 50 dump.lammpstrj id type x y z c_p
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 500
Per MPI rank memory allocation (min/avg/max) = 4.132 | 4.192 | 4.274 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137
50 0.48653399 -6.1788509 0 -5.4492324 -1.6017778 4738.2137
100 0.53411175 -6.249885 0 -5.4489177 -1.9317606 4738.2137
150 0.53646658 -6.2527206 0 -5.4482219 -1.9689568 4738.2137
200 0.54551611 -6.2656326 0 -5.4475631 -2.0042104 4738.2137
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995 4738.2137
300 0.5477618 -6.2678071 0 -5.4463698 -1.997842 4738.2137
350 0.55600296 -6.2801497 0 -5.4463538 -2.0394056 4738.2137
400 0.53241503 -6.2453665 0 -5.4469436 -1.878594 4738.2137
450 0.5439158 -6.2623 0 -5.4466302 -1.9744161 4738.2137
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015 4738.2137
Loop time of 2.66424 on 4 procs for 500 steps with 4000 atoms
Performance: 81073.650 tau/day, 187.670 timesteps/s
97.3% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.1083 | 1.3909 | 1.7318 | 24.2 | 52.21
Neigh | 0.19732 | 0.45425 | 0.7722 | 38.2 | 17.05
Comm | 0.24921 | 0.79627 | 1.3351 | 60.3 | 29.89
Output | 0.00041294 | 0.00065368 | 0.0011899 | 0.0 | 0.02
Modify | 0.0071657 | 0.010935 | 0.015748 | 3.6 | 0.41
Other | | 0.01124 | | | 0.42
Nlocal: 1000 ave 1870 max 299 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Nghost: 8679.25 ave 10190 max 7374 min
Histogram: 1 1 0 0 0 0 1 0 0 1
Neighs: 149308 ave 215125 max 81132 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 597231
Ave neighs/atom = 149.308
Neighbor list builds = 50
Dangerous builds = 0
run 500
Per MPI rank memory allocation (min/avg/max) = 4.134 | 4.387 | 4.664 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015 4738.2137
550 0.53879347 -6.2554274 0 -5.4474393 -1.9756834 4738.2137
600 0.54275982 -6.2616799 0 -5.4477437 -1.9939993 4738.2137
650 0.54526651 -6.265098 0 -5.4474027 -2.0303672 4738.2137
700 0.54369381 -6.263201 0 -5.4478642 -1.9921967 4738.2137
750 0.54452777 -6.2640839 0 -5.4474964 -1.9658675 4738.2137
800 0.55061744 -6.2725556 0 -5.4468359 -2.0100922 4738.2137
850 0.55371614 -6.2763992 0 -5.4460326 -2.0065329 4738.2137
900 0.54756622 -6.2668303 0 -5.4456863 -1.9796122 4738.2137
950 0.54791593 -6.2673161 0 -5.4456477 -1.9598278 4738.2137
1000 0.54173198 -6.2586101 0 -5.4462153 -1.9007466 4738.2137
Loop time of 3.02509 on 4 procs for 500 steps with 4000 atoms
Performance: 71402.836 tau/day, 165.284 timesteps/s
96.7% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.6808 | 1.3385 | 1.959 | 52.5 | 44.25
Neigh | 0.13127 | 0.4678 | 0.86924 | 48.5 | 15.46
Comm | 0.19735 | 1.1921 | 2.1903 | 85.9 | 39.41
Output | 0.00045371 | 0.00090569 | 0.0013952 | 0.0 | 0.03
Modify | 0.0062041 | 0.011167 | 0.01691 | 4.5 | 0.37
Other | | 0.01462 | | | 0.48
Nlocal: 1000 ave 1935 max 262 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Nghost: 8739.75 ave 10498 max 7333 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Neighs: 150170 ave 231608 max 72161 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 600678
Ave neighs/atom = 150.169
Neighbor list builds = 53
Dangerous builds = 0
balance 1.0 shift x 10 1.0 weight group 2 fast 0.8 slow 2.5 weight store WEIGHT
rebalancing time: 0.000575304 seconds
iteration count = 10
group weights: fast=0.8 slow=2.5
storing weight in atom property d_WEIGHT
initial/final max load/proc = 2318.1 1408.1
initial/final imbalance factor = 1.66172 1.00939
x cuts: 0 0.337054 0.454419 0.59556 1
y cuts: 0 1
z cuts: 0 1
fix 0 all balance 50 1.0 shift x 5 1.0 weight var lastweight weight neigh 0.5 weight store WEIGHT
run 500
Per MPI rank memory allocation (min/avg/max) = 4.136 | 4.393 | 4.673 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1000 0.54173198 -6.2586101 0 -5.4462153 -1.9007466 4738.2137
1050 0.54629742 -6.2657526 0 -5.4465113 -1.945821 4738.2137
1100 0.55427881 -6.2781733 0 -5.446963 -2.0021027 4738.2137
1150 0.54730654 -6.267257 0 -5.4465025 -1.9420678 4738.2137
1200 0.5388281 -6.2547963 0 -5.4467562 -1.890178 4738.2137
1250 0.54848768 -6.2694237 0 -5.4468979 -1.9636797 4738.2137
1300 0.54134321 -6.2590728 0 -5.447261 -1.917027 4738.2137
1350 0.53564389 -6.2501521 0 -5.4468871 -1.8642306 4738.2137
1400 0.53726925 -6.2518379 0 -5.4461355 -1.8544028 4738.2137
1450 0.54525929 -6.2632653 0 -5.4455808 -1.9072158 4738.2137
1500 0.54223341 -6.2591056 0 -5.4459588 -1.8866983 4738.2137
Loop time of 3.07108 on 4 procs for 500 steps with 4000 atoms
Performance: 70333.514 tau/day, 162.809 timesteps/s
96.8% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.77463 | 1.3897 | 2.1328 | 51.3 | 45.25
Neigh | 0.13416 | 0.45546 | 0.80534 | 46.9 | 14.83
Comm | 0.17763 | 1.2036 | 2.1448 | 83.6 | 39.19
Output | 0.00039482 | 0.00067067 | 0.0013118 | 0.0 | 0.02
Modify | 0.0058403 | 0.010695 | 0.015841 | 4.5 | 0.35
Other | | 0.01099 | | | 0.36
Nlocal: 1000 ave 1955 max 199 min
Histogram: 2 0 0 0 0 0 0 0 1 1
Nghost: 8729 ave 10472 max 7399 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Neighs: 150494 ave 251670 max 54664 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 601974
Ave neighs/atom = 150.494
Neighbor list builds = 51
Dangerous builds = 0
run 500
Per MPI rank memory allocation (min/avg/max) = 4.136 | 4.393 | 4.673 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1500 0.54223341 -6.2591056 0 -5.4459588 -1.8866983 4738.2137
1550 0.55327047 -6.2750129 0 -5.4453147 -1.9506601 4738.2137
1600 0.54419056 -6.2612631 0 -5.4451813 -1.8559469 4738.2137
1650 0.54710007 -6.2661977 0 -5.4457528 -1.8882828 4738.2137
1700 0.53665429 -6.250492 0 -5.4457118 -1.8067907 4738.2137
1750 0.54864943 -6.2681198 0 -5.4453514 -1.8662924 4738.2137
1800 0.54477002 -6.2615118 0 -5.4445611 -1.835304 4738.2137
1850 0.54143129 -6.2555621 0 -5.4436182 -1.8005839 4738.2137
1900 0.53994573 -6.254175 0 -5.4444588 -1.7770422 4738.2137
1950 0.54665379 -6.2640981 0 -5.4443224 -1.7946205 4738.2137
2000 0.54548501 -6.2623919 0 -5.4443689 -1.8063177 4738.2137
Loop time of 3.48709 on 4 procs for 500 steps with 4000 atoms
Performance: 61942.848 tau/day, 143.386 timesteps/s
96.7% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.42099 | 1.3571 | 2.3564 | 80.4 | 38.92
Neigh | 0.083965 | 0.4942 | 0.96204 | 58.6 | 14.17
Comm | 0.25895 | 1.6131 | 2.9631 | 106.2 | 46.26
Output | 0.00042915 | 0.00068706 | 0.0012567 | 0.0 | 0.02
Modify | 0.0051193 | 0.010964 | 0.017898 | 5.5 | 0.31
Other | | 0.01109 | | | 0.32
Nlocal: 1000 ave 2036 max 127 min
Histogram: 2 0 0 0 0 0 0 0 1 1
Nghost: 8722.75 ave 10448 max 7456 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Neighs: 151642 ave 269558 max 35372 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 606566
Ave neighs/atom = 151.642
Neighbor list builds = 56
Dangerous builds = 0
Total wall time: 0:00:12

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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 2d circle of particles inside a box with LJ walls
variable b index 0
variable x index 50
variable y index 20
variable d index 20
variable v index 5
variable w index 2
units lj
dimension 2
atom_style bond
boundary f f p
lattice hex 0.85
Lattice spacing in x,y,z = 1.1655347 2.0187654 1.1655347
region box block 0 $x 0 $y -0.5 0.5
region box block 0 50 0 $y -0.5 0.5
region box block 0 50 0 20 -0.5 0.5
create_box 1 box bond/types 1 extra/bond/per/atom 6
Created orthogonal box = (0 0 -0.58276737) to (58.276737 40.375308 0.58276737)
2 by 1 by 1 MPI processor grid
region circle sphere $(v_d/2+1) $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 10
create_atoms 1 region circle
Created 361 atoms
using lattice units in orthogonal box = (0 0 -0.58276737) to (58.276737 40.375308 0.58276737)
create_atoms CPU = 0.001 seconds
mass 1 1.0
velocity all create 0.5 87287 loop geom
velocity all set $v $w 0 sum yes
velocity all set 5 $w 0 sum yes
velocity all set 5 2 0 sum yes
pair_style lj/cut 2.5
pair_coeff 1 1 10.0 1.0 2.5
bond_style harmonic
bond_coeff 1 10.0 1.2
# need to preserve 1-3, 1-4 pairwise interactions during hard collisions
special_bonds lj/coul 0 1 1
Finding 1-2 1-3 1-4 neighbors ...
special bond factors lj: 0 1 1
special bond factors coul: 0 1 1
0 = max # of 1-2 neighbors
1 = max # of special neighbors
special bonds CPU = 0.000 seconds
create_bonds many all all 1 1.0 1.5
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
2 neighbor lists, perpetual/occasional/extra = 1 1 0
(1) command create_bonds, occasional
attributes: full, newton on
pair build: full/bin
stencil: full/bin/2d
bin: standard
(2) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d
bin: standard
Added 1014 bonds, new total = 1014
Finding 1-2 1-3 1-4 neighbors ...
special bond factors lj: 0 1 1
special bond factors coul: 0 1 1
6 = max # of 1-2 neighbors
6 = max # of special neighbors
special bonds CPU = 0.000 seconds
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 all nve
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi $x 1 1 2.5
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi 50 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi $y 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi 20 1 1 2.5
comm_style tiled
comm_modify cutoff 10.0 # because bonds stretch a long ways
fix 10 all balance 50 0.9 rcb
#compute 1 all property/atom proc
#variable p atom (c_1%10)+1
#dump 2 all custom 50 tmp.dump id v_p x y z
#dump 3 all image 50 image.*.jpg v_p type bond atom 0.25 # adiam 1.0 view 0 0 zoom 1.8 subbox yes 0.02
#variable colors string # "red green blue yellow white # purple pink orange lime gray"
#dump_modify 3 pad 5 amap 0 10 sa 1 10 ${colors}
thermo_style custom step temp epair press f_10[3] f_10
thermo 100
timestep 0.001
run 10000
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 10
binsize = 1.4, bins = 42 29 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 5.157 | 5.167 | 5.178 Mbytes
Step Temp E_pair Press f_10[3] f_10
0 25.701528 -2.2032569 3.1039469 2 1.0193906
100 25.57187 -2.2902218 2.9990153 1.0193906 1.0027701
200 25.532511 -2.5273097 2.8286231 1.0304709 1.0027701
300 25.860246 -3.0674998 2.6725358 1.0138504 1.0027701
400 26.628011 -4.394738 2.6618897 1.0138504 1.0083102
500 27.627309 -6.2305012 2.6564278 1.0138504 1.0027701
600 28.881803 -8.2757766 2.8249236 1.0138504 1.0027701
700 29.941402 -9.9816088 2.9828232 1.0138504 1.0027701
800 31.118457 -12.199787 3.2044549 1.0249307 1.0083102
900 32.393498 -14.204491 2.9496587 1.0304709 1.0027701
1000 33.392657 -15.747519 3.1613807 1.0249307 1.0027701
1100 34.671769 -17.728904 3.019138 1.0193906 1.0083102
1200 35.632627 -19.846347 3.1061176 1.0193906 1.0083102
1300 36.77272 -21.156179 3.2353009 1.0415512 1.0027701
1400 38.241608 -22.744765 4.1163075 1.0193906 1.0027701
1500 40.072478 -25.139827 5.3032535 1.0304709 1.0027701
1600 40.665382 -25.901697 5.4330761 1.0304709 1.0027701
1700 40.957034 -26.28667 7.1881521 1.0360111 1.0027701
1800 41.536831 -27.393841 6.6814405 1.0470914 1.0027701
1900 41.952676 -28.123051 7.4683871 1.0360111 1.0027701
2000 42.201937 -28.685743 7.4624285 1.0304709 1.0027701
2100 41.509082 -27.909225 6.8666951 1.0304709 1.0083102
2200 40.794911 -27.085519 5.2599455 1.0415512 1.0027701
2300 38.74971 -25.146012 4.2936194 1.0360111 1.0083102
2400 38.418073 -24.593601 3.1418121 1.0470914 1.0027701
2500 36.932581 -23.407617 1.9397617 1.0304709 1.0027701
2600 35.979152 -23.066707 2.1676871 1.0415512 1.0027701
2700 35.848339 -22.556586 2.079815 1.0526316 1.0027701
2800 35.796197 -22.092919 2.6843042 1.0470914 1.0027701
2900 35.752758 -21.6603 2.4924275 1.0360111 1.0083102
3000 36.548479 -21.940002 2.8478206 1.0304709 1.0027701
3100 36.74473 -22.072441 3.7028736 1.0193906 1.0027701
3200 36.633543 -22.568923 3.7319143 1.0249307 1.0083102
3300 37.175051 -23.069268 3.5045201 1.0193906 1.0027701
3400 36.942892 -23.480254 3.1212991 1.0193906 1.0027701
3500 37.813564 -24.659011 3.6045332 1.0138504 1.0027701
3600 37.856787 -24.954353 4.3062815 1.0249307 1.0027701
3700 38.543481 -25.054481 4.7177629 1.0304709 1.0027701
3800 39.011196 -25.760455 4.9664492 1.0304709 1.0027701
3900 38.784228 -25.618896 4.944851 1.0304709 1.0027701
4000 39.348833 -26.615389 4.8191233 1.0304709 1.0027701
4100 39.242191 -26.754066 4.7960336 1.0249307 1.0027701
4200 38.989902 -26.741978 3.7980048 1.0415512 1.0027701
4300 38.726515 -25.916493 3.7176038 1.0304709 1.0027701
4400 38.720441 -25.549542 3.3956415 1.0470914 1.0027701
4500 38.22257 -25.122141 4.5771547 1.0304709 1.0083102
4600 38.217511 -25.390842 4.4896706 1.0360111 1.0027701
4700 39.121636 -26.227786 4.9811267 1.0415512 1.0083102
4800 39.306166 -26.700977 4.9963051 1.0249307 1.0027701
4900 38.909059 -25.799524 6.1957543 1.0692521 1.0027701
5000 38.778196 -26.491002 5.6393984 1.0526316 1.0027701
5100 38.587868 -27.253335 5.5460314 1.0415512 1.0027701
5200 38.686438 -27.40612 5.5186442 1.0249307 1.0027701
5300 37.986414 -26.049806 5.3696903 1.0304709 1.0027701
5400 37.111804 -26.019738 4.2114526 1.0415512 1.0083102
5500 36.62295 -25.592884 5.1349 1.0415512 1.0027701
5600 36.087987 -25.398454 4.4963434 1.0249307 1.0083102
5700 34.435409 -24.548062 3.5310124 1.0249307 1.0027701
5800 33.18681 -22.76355 3.2061242 1.0470914 1.0027701
5900 32.57428 -21.832024 3.2865828 1.0193906 1.0027701
6000 30.557555 -20.714816 4.2280358 1.0304709 1.0083102
6100 31.893092 -21.235479 4.5931729 1.0304709 1.0027701
6200 31.577761 -21.222778 4.1847871 1.0415512 1.0027701
6300 32.003743 -20.825156 5.6968257 1.0526316 1.0027701
6400 32.073012 -20.877815 7.3062956 1.0360111 1.0027701
6500 31.588306 -21.556202 5.7846536 1.0138504 1.0027701
6600 32.453985 -21.478064 4.8089249 1.0083102 1.0027701
6700 31.269576 -21.24005 4.0540095 1.0193906 1.0027701
6800 31.548438 -21.335039 3.767158 1.0138504 1.0027701
6900 31.249216 -20.689547 4.5435057 1.0083102 1.0027701
7000 31.72893 -20.373971 6.0204212 1.0249307 1.0027701
7100 30.888569 -19.028984 5.2458824 1.0027701 1.0027701
7200 30.747229 -19.579694 3.2582453 1.0138504 1.0083102
7300 28.339584 -19.225504 3.1235472 1.0193906 1.0027701
7400 26.754307 -18.557545 1.3860606 1.0193906 1.0083102
7500 26.559389 -17.395026 1.7206081 1.0138504 1.0083102
7600 26.227728 -16.755138 2.1148459 1.0193906 1.0027701
7700 26.361463 -15.711397 2.5458994 1.0138504 1.0027701
7800 26.081484 -16.032712 0.70050048 1.0138504 1.0027701
7900 24.660082 -15.079215 1.1999533 1.0138504 1.0027701
8000 24.448184 -14.668849 0.63886653 1.0138504 1.0083102
8100 24.198589 -15.157555 0.12256041 1.0027701 1.0027701
8200 24.764129 -14.876966 0.97060609 1.0249307 1.0083102
8300 25.33268 -14.891698 1.6089548 1.0083102 1.0027701
8400 24.992342 -14.652659 1.3317376 1.0138504 1.0027701
8500 25.115045 -14.683247 0.98361969 1.0138504 1.0027701
8600 24.954894 -14.451543 1.2228755 1.0083102 1.0027701
8700 24.51303 -14.159235 0.75345783 1.0249307 1.0083102
8800 22.697326 -13.254743 1.2913804 1.0138504 1.0027701
8900 22.868775 -13.677092 -0.048154854 1.0083102 1.0027701
9000 25.269332 -13.649225 1.0337367 1.0083102 1.0083102
9100 24.184813 -12.826606 1.1160895 1.0360111 1.0027701
9200 23.664589 -13.449013 0.031451624 1.0193906 1.0083102
9300 23.944566 -13.401803 0.20095909 1.0193906 1.0027701
9400 24.146696 -12.879011 0.89518549 1.0249307 1.0027701
9500 25.383214 -13.411768 0.95798595 1.0304709 1.0027701
9600 25.248933 -13.838658 0.45253554 1.0304709 1.0027701
9700 24.38613 -13.123006 1.5446061 1.0138504 1.0027701
9800 25.743921 -13.610838 1.2556191 1.0083102 1.0027701
9900 26.468479 -13.72971 2.3998562 1.0249307 1.0027701
10000 26.338099 -14.82183 1.5233934 1.0193906 1.0027701
Loop time of 0.372607 on 2 procs for 10000 steps with 361 atoms
Performance: 2318795.909 tau/day, 26837.916 timesteps/s, 9.688 Matom-step/s
96.0% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.13582 | 0.14029 | 0.14475 | 1.2 | 37.65
Bond | 0.035027 | 0.035038 | 0.035049 | 0.0 | 9.40
Neigh | 0.085828 | 0.08675 | 0.087673 | 0.3 | 23.28
Comm | 0.05562 | 0.05851 | 0.061399 | 1.2 | 15.70
Output | 0.0010102 | 0.0011746 | 0.0013391 | 0.5 | 0.32
Modify | 0.029008 | 0.02926 | 0.029512 | 0.1 | 7.85
Other | | 0.02159 | | | 5.79
Nlocal: 180.5 ave 181 max 180 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 166.5 ave 170 max 163 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 1628.5 ave 1652 max 1605 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 3257
Ave neighs/atom = 9.0221607
Ave special neighs/atom = 5.6177285
Neighbor list builds = 1208
Dangerous builds = 0
Total wall time: 0:00:00

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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 2d circle of particles inside a box with LJ walls
variable b index 0
variable x index 50
variable y index 20
variable d index 20
variable v index 5
variable w index 2
units lj
dimension 2
atom_style bond
boundary f f p
lattice hex 0.85
Lattice spacing in x,y,z = 1.1655347 2.0187654 1.1655347
region box block 0 $x 0 $y -0.5 0.5
region box block 0 50 0 $y -0.5 0.5
region box block 0 50 0 20 -0.5 0.5
create_box 1 box bond/types 1 extra/bond/per/atom 6
Created orthogonal box = (0 0 -0.58276737) to (58.276737 40.375308 0.58276737)
2 by 2 by 1 MPI processor grid
region circle sphere $(v_d/2+1) $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 10
create_atoms 1 region circle
Created 361 atoms
using lattice units in orthogonal box = (0 0 -0.58276737) to (58.276737 40.375308 0.58276737)
create_atoms CPU = 0.001 seconds
mass 1 1.0
velocity all create 0.5 87287 loop geom
velocity all set $v $w 0 sum yes
velocity all set 5 $w 0 sum yes
velocity all set 5 2 0 sum yes
pair_style lj/cut 2.5
pair_coeff 1 1 10.0 1.0 2.5
bond_style harmonic
bond_coeff 1 10.0 1.2
# need to preserve 1-3, 1-4 pairwise interactions during hard collisions
special_bonds lj/coul 0 1 1
Finding 1-2 1-3 1-4 neighbors ...
special bond factors lj: 0 1 1
special bond factors coul: 0 1 1
0 = max # of 1-2 neighbors
1 = max # of special neighbors
special bonds CPU = 0.000 seconds
create_bonds many all all 1 1.0 1.5
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
2 neighbor lists, perpetual/occasional/extra = 1 1 0
(1) command create_bonds, occasional
attributes: full, newton on
pair build: full/bin
stencil: full/bin/2d
bin: standard
(2) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d
bin: standard
Added 1014 bonds, new total = 1014
Finding 1-2 1-3 1-4 neighbors ...
special bond factors lj: 0 1 1
special bond factors coul: 0 1 1
6 = max # of 1-2 neighbors
6 = max # of special neighbors
special bonds CPU = 0.000 seconds
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 all nve
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi $x 1 1 2.5
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi 50 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi $y 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi 20 1 1 2.5
comm_style tiled
comm_modify cutoff 10.0 # because bonds stretch a long ways
fix 10 all balance 50 0.9 rcb
#compute 1 all property/atom proc
#variable p atom (c_1%10)+1
#dump 2 all custom 50 tmp.dump id v_p x y z
#dump 3 all image 50 image.*.jpg v_p type bond atom 0.25 # adiam 1.0 view 0 0 zoom 1.8 subbox yes 0.02
#variable colors string # "red green blue yellow white # purple pink orange lime gray"
#dump_modify 3 pad 5 amap 0 10 sa 1 10 ${colors}
thermo_style custom step temp epair press f_10[3] f_10
thermo 100
timestep 0.001
run 10000
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 10
binsize = 1.4, bins = 42 29 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 5.123 | 5.142 | 5.176 Mbytes
Step Temp E_pair Press f_10[3] f_10
0 25.701528 -2.2032569 3.1039469 3.2354571 1.0526316
100 25.57187 -2.2902218 2.9990153 1.0526316 1.0193906
200 25.532511 -2.5273097 2.8286231 1.0526316 1.0083102
300 25.860246 -3.0674998 2.6725358 1.0415512 1.0083102
400 26.628011 -4.394738 2.6618897 1.0526316 1.0083102
500 27.627309 -6.2305012 2.6564278 1.0415512 1.0083102
600 28.881803 -8.2757766 2.8249236 1.0526316 1.0083102
700 29.941402 -9.9816088 2.9828232 1.0526316 1.0083102
800 31.118457 -12.199787 3.2044549 1.0304709 1.0083102
900 32.393498 -14.204491 2.9496587 1.0747922 1.0193906
1000 33.392657 -15.747519 3.1613807 1.0637119 1.0193906
1100 34.671769 -17.728904 3.019138 1.0526316 1.0193906
1200 35.632627 -19.846347 3.1061176 1.0637119 1.0193906
1300 36.77272 -21.156179 3.2353009 1.0415512 1.0193906
1400 38.241608 -22.744765 4.1163075 1.0637119 1.0083102
1500 40.072478 -25.139827 5.3032535 1.0415512 1.0193906
1600 40.665382 -25.901697 5.4330761 1.0858726 1.0083102
1700 40.957034 -26.28667 7.1881521 1.1080332 1.0083102
1800 41.536831 -27.393841 6.6814405 1.0969529 1.0193906
1900 41.952676 -28.123051 7.4683871 1.0858726 1.0193906
2000 42.201937 -28.685743 7.4624284 1.0747922 1.0083102
2100 41.509082 -27.909225 6.8666955 1.0969529 1.0083102
2200 40.794912 -27.085519 5.259945 1.0415512 1.0083102
2300 38.749709 -25.14601 4.2936222 1.0526316 1.0083102
2400 38.418065 -24.593596 3.1418049 1.1191136 1.0083102
2500 36.932588 -23.407613 1.9397982 1.0637119 1.0083102
2600 35.979181 -23.066748 2.1678902 1.0637119 1.0193906
2700 35.84858 -22.55645 2.0798013 1.0858726 1.0193906
2800 35.795795 -22.092149 2.6849882 1.0637119 1.0193906
2900 35.754958 -21.662138 2.4892921 1.0526316 1.0083102
3000 36.548644 -21.943203 2.8497192 1.0747922 1.0083102
3100 36.755531 -22.081384 3.6960187 1.0858726 1.0193906
3200 36.606921 -22.538438 3.7047874 1.0415512 1.0193906
3300 37.185396 -23.077004 3.4202006 1.0858726 1.0083102
3400 37.136687 -23.617745 2.9763794 1.0858726 1.0083102
3500 37.908279 -24.364631 3.5155218 1.0304709 1.0083102
3600 38.459203 -25.01024 4.3313693 1.0747922 1.0083102
3700 39.108683 -25.636756 4.4707992 1.0415512 1.0083102
3800 38.67059 -25.126486 5.3753987 1.0747922 1.0083102
3900 38.395639 -25.140269 5.1661495 1.0858726 1.0193906
4000 38.552057 -24.871721 5.0206769 1.0747922 1.0083102
4100 39.065683 -25.344035 4.4042913 1.0858726 1.0083102
4200 37.714294 -24.728278 5.1978439 1.0304709 1.0083102
4300 38.785555 -25.380643 3.7033369 1.0304709 1.0193906
4400 38.341445 -25.13442 3.4298833 1.1191136 1.0193906
4500 37.720522 -24.702087 3.4450752 1.0637119 1.0083102
4600 37.509806 -24.477444 3.6155741 1.0858726 1.0083102
4700 37.319957 -23.722654 4.7111338 1.0526316 1.0193906
4800 38.233154 -24.653472 4.25263 1.0637119 1.0083102
4900 37.309164 -24.21353 4.8513758 1.0637119 1.0193906
5000 37.559292 -24.720651 5.409312 1.0415512 1.0193906
5100 37.449783 -25.21538 6.0099692 1.0747922 1.0083102
5200 38.187982 -25.16709 6.1425844 1.0415512 1.0083102
5300 36.91668 -24.616017 4.7873357 1.0304709 1.0083102
5400 35.103465 -23.85158 5.1950262 1.0304709 1.0193906
5500 35.299351 -23.946174 4.8038223 1.0526316 1.0083102
5600 35.713482 -24.962908 3.5111314 1.0193906 1.0193906
5700 33.740794 -23.77699 4.5783011 1.0304709 1.0193906
5800 33.791635 -23.536627 3.1317306 1.0415512 1.0193906
5900 34.039769 -23.068008 4.0189755 1.0415512 1.0083102
6000 32.809103 -22.085195 4.0827943 1.0637119 1.0193906
6100 32.522642 -21.979287 4.1437901 1.0637119 1.0083102
6200 32.347924 -21.661359 4.1436759 1.0526316 1.0193906
6300 32.099974 -21.114688 5.5745084 1.0193906 1.0193906
6400 33.767704 -23.489786 4.1038662 1.0526316 1.0193906
6500 32.283906 -22.076822 7.2664805 1.0526316 1.0083102
6600 33.25146 -23.191973 6.01093 1.0526316 1.0083102
6700 31.7665 -22.1476 6.4256074 1.0747922 1.0193906
6800 30.775727 -21.513059 5.1709188 1.0304709 1.0083102
6900 30.964501 -21.153634 5.1077701 1.0193906 1.0193906
7000 31.292268 -20.800916 3.6047789 1.0193906 1.0193906
7100 31.460811 -20.280043 3.2369395 1.0193906 1.0083102
7200 30.871387 -19.340893 2.9615798 1.0193906 1.0083102
7300 28.983475 -18.709174 3.1686601 1.0304709 1.0083102
7400 28.032829 -18.200801 1.8738157 1.0304709 1.0193906
7500 28.088176 -17.117863 3.5604961 1.0304709 1.0083102
7600 27.456327 -17.011025 1.7822114 1.0526316 1.0304709
7700 26.483887 -16.024179 1.258431 1.0415512 1.0193906
7800 26.023393 -15.532176 1.3663841 1.0304709 1.0083102
7900 26.154386 -14.738286 1.5214339 1.0415512 1.0193906
8000 25.755121 -14.487715 1.0185064 1.0415512 1.0304709
8100 25.468927 -14.273205 1.3553057 1.0526316 1.0304709
8200 25.74216 -14.606852 0.13693979 1.0193906 1.0083102
8300 24.457219 -14.529941 -0.0032579349 1.0304709 1.0193906
8400 24.054076 -13.704387 0.80714443 1.0193906 1.0193906
8500 23.742098 -13.699968 0.41096573 1.0304709 1.0193906
8600 24.060806 -13.289555 0.22489663 1.0193906 1.0083102
8700 23.831533 -13.025052 -0.090244538 1.0304709 1.0193906
8800 23.823082 -13.407662 -0.28029605 1.0304709 1.0083102
8900 23.982182 -12.862338 0.50556065 1.0193906 1.0193906
9000 24.876045 -13.400416 1.1475671 1.0415512 1.0193906
9100 25.018155 -13.625286 0.74749825 1.0304709 1.0083102
9200 25.671195 -13.850993 0.88340554 1.0526316 1.0083102
9300 26.076502 -13.935292 1.2705214 1.0526316 1.0083102
9400 25.847786 -13.626034 1.5676611 1.0415512 1.0193906
9500 25.963986 -14.23672 1.4791684 1.0304709 1.0083102
9600 26.58066 -14.74703 1.3431841 1.0526316 1.0083102
9700 27.401448 -14.568412 2.4488742 1.0747922 1.0083102
9800 27.927894 -15.254362 2.8516414 1.0415512 1.0083102
9900 28.204891 -15.219892 3.0631109 1.0415512 1.0083102
10000 27.30902 -14.939134 2.8235246 1.0304709 1.0083102
Loop time of 0.317224 on 4 procs for 10000 steps with 361 atoms
Performance: 2723630.892 tau/day, 31523.506 timesteps/s, 11.380 Matom-step/s
89.4% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.066318 | 0.073612 | 0.081352 | 2.6 | 23.21
Bond | 0.01886 | 0.020483 | 0.022893 | 1.1 | 6.46
Neigh | 0.051128 | 0.052747 | 0.054345 | 0.5 | 16.63
Comm | 0.093881 | 0.11329 | 0.13156 | 4.2 | 35.71
Output | 0.0011573 | 0.0013205 | 0.0016444 | 0.5 | 0.42
Modify | 0.025957 | 0.026647 | 0.027249 | 0.3 | 8.40
Other | | 0.02913 | | | 9.18
Nlocal: 90.25 ave 91 max 89 min
Histogram: 1 0 0 0 0 1 0 0 0 2
Nghost: 260.75 ave 265 max 256 min
Histogram: 1 0 1 0 0 0 0 0 1 1
Neighs: 889.5 ave 1035 max 794 min
Histogram: 1 1 0 0 1 0 0 0 0 1
Total # of neighbors = 3558
Ave neighs/atom = 9.8559557
Ave special neighs/atom = 5.6177285
Neighbor list builds = 1192
Dangerous builds = 0
Total wall time: 0:00:00

550
examples/balance/log.3Nov23.balance.bond.slow.g++.2 Normal file
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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 2d circle of particles inside a box with LJ walls
variable b index 0
variable x index 50
variable y index 20
variable d index 20
# careful not to slam into wall too hard
variable v index 0.3
variable w index 0.08
units lj
dimension 2
atom_style bond
boundary f f p
lattice hex 0.85
Lattice spacing in x,y,z = 1.1655347 2.0187654 1.1655347
region box block 0 $x 0 $y -0.5 0.5
region box block 0 50 0 $y -0.5 0.5
region box block 0 50 0 20 -0.5 0.5
create_box 1 box bond/types 1 extra/bond/per/atom 6
Created orthogonal box = (0 0 -0.58276737) to (58.276737 40.375308 0.58276737)
2 by 1 by 1 MPI processor grid
region circle sphere $(v_d/2+1) $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 10
create_atoms 1 region circle
Created 361 atoms
using lattice units in orthogonal box = (0 0 -0.58276737) to (58.276737 40.375308 0.58276737)
create_atoms CPU = 0.001 seconds
mass 1 1.0
velocity all create 0.5 87287 loop geom
velocity all set $v $w 0 sum yes
velocity all set 0.3 $w 0 sum yes
velocity all set 0.3 0.08 0 sum yes
pair_style lj/cut 2.5
pair_coeff 1 1 10.0 1.0 2.5
bond_style harmonic
bond_coeff 1 10.0 1.2
create_bonds many all all 1 1.0 1.5
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
2 neighbor lists, perpetual/occasional/extra = 1 1 0
(1) command create_bonds, occasional
attributes: full, newton on
pair build: full/bin
stencil: full/bin/2d
bin: standard
(2) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d
bin: standard
Added 1014 bonds, new total = 1014
Finding 1-2 1-3 1-4 neighbors ...
special bond factors lj: 0 0 0
special bond factors coul: 0 0 0
6 = max # of 1-2 neighbors
30 = max # of 1-3 neighbors
180 = max # of 1-4 neighbors
36 = max # of special neighbors
special bonds CPU = 0.002 seconds
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 all nve
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi $x 1 1 2.5
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi 50 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi $y 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi 20 1 1 2.5
comm_style tiled
fix 10 all balance 50 0.9 rcb
#compute 1 all property/atom proc
#variable p atom (c_1%10)+1
#dump 2 all custom 50 tmp.dump id v_p x y z
#dump 3 all image 200 image.*.jpg v_p type bond atom 0.25 # adiam 1.0 view 0 0 zoom 1.8 subbox yes 0.02
#variable colors string # "red green blue yellow white # purple pink orange lime gray"
#dump_modify 3 pad 5 amap 0 10 sa 1 10 ${colors}
thermo_style custom step temp epair press f_10[3] f_10
thermo 100
timestep 0.001
run 40000
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 7.08 | 7.108 | 7.137 Mbytes
Step Temp E_pair Press f_10[3] f_10
0 0.57437856 0 0.26099453 2 1.0193906
100 0.36302846 0 0.17339851 1.0027701 1.0027701
200 0.19645077 0 0.087800915 1.0027701 1.0027701
300 0.32061117 0 0.11295723 1.0027701 1.0027701
400 0.32854136 0 0.11325585 1.0027701 1.0027701
500 0.29754179 0 0.10150632 1.0083102 1.0027701
600 0.37384867 0 0.11949784 1.0027701 1.0027701
700 0.33202319 0 0.092871339 1.0027701 1.0083102
800 0.28340637 0 0.065861565 1.0027701 1.0027701
900 0.36250157 0 0.085896287 1.0083102 1.0027701
1000 0.35402718 0 0.07519914 1.0027701 1.0083102
1100 0.31576357 0 0.050253636 1.0083102 1.0027701
1200 0.35727572 0 0.05153538 1.0027701 1.0027701
1300 0.34322607 0 0.036115722 1.0027701 1.0027701
1400 0.34007557 0 0.025378602 1.0027701 1.0083102
1500 0.39242551 0 0.033002212 1.0027701 1.0027701
1600 0.35679049 0 0.010101576 1.0027701 1.0027701
1700 0.31293001 0 -0.013791036 1.0027701 1.0027701
1800 0.34767962 0 -0.0065490806 1.0027701 1.0027701
1900 0.34721592 0 -0.010055082 1.0027701 1.0083102
2000 0.34074949 0 -0.020822697 1.0027701 1.0027701
2100 0.37195615 0 -0.024943134 1.0027701 1.0027701
2200 0.35367164 0 -0.047369336 1.0027701 1.0027701
2300 0.32088735 0 -0.069724381 1.0027701 1.0027701
2400 0.34291945 0 -0.065470223 1.0027701 1.0027701
2500 0.35204641 0 -0.062631879 1.0027701 1.0027701
2600 0.32762755 0 -0.075128824 1.0027701 1.0083102
2700 0.32042617 0 -0.086259498 1.0083102 1.0027701
2800 0.32747171 0 -0.094775765 1.0027701 1.0027701
2900 0.33544664 0 -0.10376048 1.0027701 1.0027701
3000 0.34015845 0 -0.1112134 1.0083102 1.0027701
3100 0.34425802 0 -0.11413914 1.0027701 1.0083102
3200 0.34158654 0 -0.1164643 1.0027701 1.0027701
3300 0.32525955 0 -0.12206636 1.0027701 1.0083102
3400 0.32183965 0 -0.12186353 1.0083102 1.0027701
3500 0.3323435 0 -0.11597815 1.0027701 1.0027701
3600 0.34124638 0 -0.11177335 1.0083102 1.0083102
3700 0.3404339 0 -0.11235575 1.0027701 1.0027701
3800 0.32736123 0 -0.11610108 1.0027701 1.0027701
3900 0.32897993 0 -0.11138151 1.0027701 1.0027701
4000 0.35111095 0 -0.096171644 1.0083102 1.0027701
4100 0.34682622 0 -0.087507472 1.0027701 1.0027701
4200 0.3307829 0 -0.079759555 1.0027701 1.0027701
4300 0.35057085 0 -0.055194355 1.0027701 1.0027701
4400 0.36389071 0 -0.02963313 1.0027701 1.0083102
4500 0.35694456 0 -0.013842583 1.0027701 1.0027701
4600 0.3472078 0 -0.0048118723 1.0083102 1.0027701
4700 0.31734514 0 -0.0032417081 1.0027701 1.0027701
4800 0.32419237 0 0.01409306 1.0027701 1.0027701
4900 0.36939799 0 0.045351789 1.0027701 1.0083102
5000 0.36998276 0 0.056830437 1.0027701 1.0027701
5100 0.33969031 0 0.051833536 1.0027701 1.0027701
5200 0.33910288 0 0.055544085 1.0027701 1.0027701
5300 0.34641009 0 0.0651487 1.0027701 1.0027701
5400 0.34469325 0 0.074538093 1.0027701 1.0027701
5500 0.34582041 0 0.084940845 1.0027701 1.0027701
5600 0.33471774 0 0.090102411 1.0027701 1.0083102
5700 0.32667873 0 0.09528948 1.0083102 1.0027701
5800 0.33762496 0 0.10545364 1.0027701 1.0027701
5900 0.33285742 0 0.10816506 1.0027701 1.0027701
6000 0.31920877 0 0.10547467 1.0027701 1.0027701
6100 0.31933081 0 0.10610684 1.0027701 1.0027701
6200 0.3152523 0 0.10651599 1.0083102 1.0083102
6300 0.32548074 0 0.11405234 1.0027701 1.0027701
6400 0.33851595 0 0.12389967 1.0027701 1.0027701
6500 0.32957825 0 0.12493331 1.0027701 1.0027701
6600 0.32319786 0 0.12404318 1.0027701 1.0027701
6700 0.3223738 0 0.12418108 1.0083102 1.0027701
6800 0.32390959 0 0.12576314 1.0027701 1.0027701
6900 0.34414413 0 0.1318456 1.0027701 1.0027701
7000 0.34508922 0 0.12669741 1.0027701 1.0083102
7100 0.31655025 0 0.10869109 1.0027701 1.0027701
7200 0.31997193 0 0.10305508 1.0027701 1.0027701
7300 0.33199085 0 0.10377052 1.0027701 1.0027701
7400 0.32146221 0 0.097589803 1.0027701 1.0027701
7500 0.33416843 0 0.096202638 1.0027701 1.0027701
7600 0.35297124 0 0.092441999 1.0027701 1.0027701
7700 0.34494663 0 0.075206332 1.0027701 1.0027701
7800 0.34010702 0 0.056336074 1.0083102 1.0027701
7900 0.343424 0 0.040946914 1.0027701 1.0027701
8000 0.33772245 0 0.025817271 1.0027701 1.0027701
8100 0.34463909 0 0.017237548 1.0083102 1.0083102
8200 0.36052034 0 0.010393623 1.0027701 1.0027701
8300 0.36083091 0 -0.0053933186 1.0027701 1.0027701
8400 0.35378067 0 -0.02600248 1.0027701 1.0027701
8500 0.35133887 0 -0.044211483 1.0027701 1.0027701
8600 0.34559937 0 -0.060861345 1.0027701 1.0027701
8700 0.33724119 0 -0.075776058 1.0027701 1.0027701
8800 0.33337192 0 -0.087098937 1.0027701 1.0027701
8900 0.33533081 0 -0.094631485 1.0027701 1.0083102
9000 0.34994303 0 -0.096758052 1.0083102 1.0083102
9100 0.34448227 0 -0.10330192 1.0083102 1.0083102
9200 0.32675792 0 -0.11000278 1.0083102 1.0083102
9300 0.33814013 0 -0.10358181 1.0027701 1.0027701
9400 0.34457419 0 -0.096896951 1.0027701 1.0027701
9500 0.33834959 0 -0.09547729 1.0027701 1.0027701
9600 0.33204582 0 -0.097694622 1.0027701 1.0027701
9700 0.31152805 0 -0.10637377 1.0083102 1.0027701
9800 0.31637311 0 -0.1053323 1.0027701 1.0027701
9900 0.33416162 0 -0.097857158 1.0027701 1.0083102
10000 0.33731767 0 -0.094656227 1.0027701 1.0027701
10100 0.34565093 0 -0.090199556 1.0083102 1.0083102
10200 0.34549074 0 -0.088914471 1.0083102 1.0027701
10300 0.33545625 0 -0.09066219 1.0027701 1.0083102
10400 0.33649703 0 -0.086437886 1.0027701 1.0027701
10500 0.34549848 0 -0.0767365 1.0027701 1.0027701
10600 0.34222917 0 -0.069368792 1.0027701 1.0027701
10700 0.34262469 0 -0.060550996 1.0027701 1.0027701
10800 0.34859129 0 -0.050692625 1.0027701 1.0027701
10900 0.34850448 0 -0.043627505 1.0027701 1.0027701
11000 0.34887257 0 -0.036859125 1.0027701 1.0083102
11100 0.34171718 0 -0.032690742 1.0083102 1.0027701
11200 0.329808 0 -0.02793377 1.0027701 1.0027701
11300 0.34490203 0 -0.010278222 1.0027701 1.0027701
11400 0.36226391 0 0.010141624 1.0027701 1.0083102
11500 0.35392138 0 0.021188939 1.0027701 1.0027701
11600 0.34378732 0 0.031423313 1.0083102 1.0083102
11700 0.33606385 0 0.043944374 1.0083102 1.0027701
11800 0.33212482 0 0.058629338 1.0027701 1.0027701
11900 0.34547313 0 0.078112959 1.0027701 1.0083102
12000 0.34840957 0 0.092356502 1.0083102 1.0027701
12100 0.34146853 0 0.10236492 1.0027701 1.0027701
12200 0.34591494 0 0.11620659 1.0027701 1.0027701
12300 0.33290894 0 0.12437245 1.0027701 1.0027701
12400 0.32423652 0 0.13191976 1.0083102 1.0083102
12500 0.33031748 0 0.13999363 1.0083102 1.0083102
12600 0.31927087 0 0.13776242 1.0083102 1.0027701
12700 0.30865965 0 0.13340787 1.0027701 1.0027701
12800 0.32542691 0 0.13690449 1.0027701 1.0083102
12900 0.32453244 0 0.13376127 1.0027701 1.0027701
13000 0.30974678 0 0.12749869 1.0027701 1.0027701
13100 0.32402285 0 0.13240572 1.0027701 1.0083102
13200 0.32896987 0 0.13257567 1.0083102 1.0027701
13300 0.32939197 0 0.12690791 1.0027701 1.0027701
13400 0.33966453 0 0.12036916 1.0027701 1.0027701
13500 0.33012942 0 0.10496127 1.0027701 1.0027701
13600 0.32363377 0 0.091763332 1.0083102 1.0083102
13700 0.33427955 0 0.087928243 1.0027701 1.0027701
13800 0.33457885 0 0.08191828 1.0027701 1.0027701
13900 0.33819924 0 0.074487337 1.0027701 1.0027701
14000 0.34611002 0 0.066256529 1.0083102 1.0027701
14100 0.33224254 0 0.052608223 1.0027701 1.0027701
14200 0.33796934 0 0.049677792 1.0027701 1.0027701
14300 0.36216731 0 0.055173039 1.0027701 1.0083102
14400 0.35140789 0 0.047322221 1.0027701 1.0027701
14500 0.34425046 0 0.036527245 1.0027701 1.0083102
14600 0.3604575 0 0.0294772 1.0083102 1.0083102
14700 0.3433878 0 0.0096774422 1.0083102 1.0083102
14800 0.3287069 0 -0.0079768782 1.0027701 1.0027701
14900 0.34978607 0 -0.01178453 1.0027701 1.0027701
15000 0.34749548 0 -0.023685074 1.0027701 1.0027701
15100 0.33474304 0 -0.040569945 1.0027701 1.0027701
15200 0.35036594 0 -0.048341599 1.0027701 1.0027701
15300 0.35686042 0 -0.058664905 1.0027701 1.0027701
15400 0.34041567 0 -0.074858327 1.0027701 1.0027701
15500 0.33397773 0 -0.083782088 1.0027701 1.0027701
15600 0.3420119 0 -0.084635487 1.0083102 1.0027701
15700 0.345487 0 -0.088137628 1.0027701 1.0027701
15800 0.33494392 0 -0.10083064 1.0027701 1.0027701
15900 0.32675175 0 -0.11620387 1.0027701 1.0027701
16000 0.33011636 0 -0.12713401 1.0027701 1.0027701
16100 0.32443118 0 -0.13685913 1.0027701 1.0027701
16200 0.31608392 0 -0.14164152 1.0027701 1.0083102
16300 0.33293965 0 -0.13335387 1.0027701 1.0027701
16400 0.34462807 0 -0.12471686 1.0027701 1.0027701
16500 0.33528082 0 -0.12211554 1.0027701 1.0027701
16600 0.34250121 0 -0.11228169 1.0027701 1.0027701
16700 0.35342336 0 -0.099226948 1.0027701 1.0027701
16800 0.33730938 0 -0.093581966 1.0027701 1.0027701
16900 0.3275761 0 -0.085163356 1.0027701 1.0027701
17000 0.33624873 0 -0.070896594 1.0083102 1.0027701
17100 0.34339177 0 -0.057731935 1.0027701 1.0027701
17200 0.34874414 0 -0.046575228 1.0027701 1.0027701
17300 0.33950911 0 -0.041862179 1.0027701 1.0027701
17400 0.33100286 0 -0.036618199 1.0027701 1.0027701
17500 0.34238095 0 -0.021681436 1.0027701 1.0027701
17600 0.35476614 0 -0.0032568304 1.0027701 1.0027701
17700 0.35452053 0 0.011863966 1.0027701 1.0027701
17800 0.35423934 0 0.024753043 1.0083102 1.0027701
17900 0.35001044 0 0.031647802 1.0083102 1.0083102
18000 0.32867773 0 0.030261102 1.0027701 1.0027701
18100 0.32730114 0 0.037627319 1.0027701 1.0027701
18200 0.35786038 0 0.057653258 1.0027701 1.0027701
18300 0.35598175 0 0.065533711 1.0027701 1.0027701
18400 0.33913202 0 0.066186406 1.0027701 1.0027701
18500 0.34449656 0 0.074575322 1.0027701 1.0027701
18600 0.34792041 0 0.083818651 1.0027701 1.0027701
18700 0.33910599 0 0.089751723 1.0027701 1.0027701
18800 0.33627789 0 0.097491916 1.0027701 1.0083102
18900 0.32937699 0 0.10350872 1.0083102 1.0027701
19000 0.30908702 0 0.10610099 1.0027701 1.0027701
19100 0.31033435 0 0.1168178 1.0027701 1.0027701
19200 0.32011336 0 0.12898885 1.0027701 1.0027701
19300 0.31851339 0 0.13398981 1.0027701 1.0027701
19400 0.33289985 0 0.1401039 1.0027701 1.0027701
19500 0.3387096 0 0.13971063 1.0027701 1.0027701
19600 0.31475734 0 0.12963499 1.0027701 1.0083102
19700 0.31971554 0 0.13189606 1.0083102 1.0083102
19800 0.33096999 0 0.13636987 1.0083102 1.0027701
19900 0.31601688 0 0.12889803 1.0027701 1.0027701
20000 0.32916469 0 0.12683491 1.0027701 1.0027701
20100 0.34355734 0 0.12251501 1.0027701 1.0027701
20200 0.33029721 0 0.10833335 1.0083102 1.0027701
20300 0.34079176 0 0.10305862 1.0027701 1.0027701
20400 0.35196716 0 0.098386494 1.0027701 1.0027701
20500 0.32687648 0 0.081202778 1.0083102 1.0027701
20600 0.33371658 0 0.074287923 1.0027701 1.0083102
20700 0.36625228 0 0.073768436 1.0083102 1.0027701
20800 0.35824217 0 0.054876358 1.0027701 1.0027701
20900 0.34861601 0 0.031603534 1.0027701 1.0027701
21000 0.35396698 0 0.013464537 1.0027701 1.0027701
21100 0.33592449 0 -0.0096173026 1.0027701 1.0027701
21200 0.327063 0 -0.025970252 1.0027701 1.0027701
21300 0.34418745 0 -0.030446162 1.0027701 1.0027701
21400 0.34181459 0 -0.039942616 1.0027701 1.0027701
21500 0.3315724 0 -0.05089285 1.0027701 1.0027701
21600 0.35674681 0 -0.047926263 1.0083102 1.0083102
21700 0.37320044 0 -0.047190592 1.0027701 1.0027701
21800 0.34626293 0 -0.063211549 1.0083102 1.0027701
21900 0.32941853 0 -0.078034339 1.0083102 1.0027701
22000 0.34102577 0 -0.083179211 1.0027701 1.0027701
22100 0.33614888 0 -0.091647522 1.0083102 1.0083102
22200 0.3339762 0 -0.09744915 1.0083102 1.0027701
22300 0.33867021 0 -0.10026932 1.0027701 1.0027701
22400 0.31974078 0 -0.10896583 1.0027701 1.0027701
22500 0.3261442 0 -0.10644809 1.0027701 1.0027701
22600 0.35128159 0 -0.097711062 1.0027701 1.0027701
22700 0.33133845 0 -0.10656571 1.0027701 1.0027701
22800 0.31730555 0 -0.11420891 1.0027701 1.0027701
22900 0.34720941 0 -0.10586647 1.0083102 1.0027701
23000 0.34418922 0 -0.10745826 1.0027701 1.0027701
23100 0.32342851 0 -0.11384766 1.0027701 1.0027701
23200 0.3408144 0 -0.10631064 1.0027701 1.0027701
23300 0.33006722 0 -0.1070084 1.0027701 1.0027701
23400 0.31578528 0 -0.10711608 1.0027701 1.0027701
23500 0.34908788 0 -0.088441889 1.0027701 1.0027701
23600 0.35801835 0 -0.075953983 1.0027701 1.0027701
23700 0.33573037 0 -0.072357745 1.0027701 1.0083102
23800 0.34435835 0 -0.055470682 1.0083102 1.0027701
23900 0.35307683 0 -0.036076205 1.0027701 1.0027701
24000 0.35184599 0 -0.020939815 1.0027701 1.0027701
24100 0.35687079 0 -0.0063601457 1.0027701 1.0027701
24200 0.33612385 0 -0.0014613923 1.0027701 1.0027701
24300 0.32234106 0 0.006750452 1.0027701 1.0027701
24400 0.34852008 0 0.029170079 1.0027701 1.0027701
24500 0.35224811 0 0.043783151 1.0027701 1.0027701
24600 0.34160459 0 0.05294313 1.0027701 1.0027701
24700 0.35616752 0 0.069291509 1.0027701 1.0027701
24800 0.34984726 0 0.076650029 1.0027701 1.0027701
24900 0.33337969 0 0.080083735 1.0027701 1.0027701
25000 0.34846751 0 0.095559187 1.0027701 1.0027701
25100 0.34495541 0 0.10558042 1.0027701 1.0083102
25200 0.32630088 0 0.10897783 1.0083102 1.0027701
25300 0.33651146 0 0.11888202 1.0027701 1.0027701
25400 0.32194445 0 0.11826793 1.0027701 1.0027701
25500 0.30295352 0 0.11641357 1.0027701 1.0027701
25600 0.33485387 0 0.13204258 1.0027701 1.0027701
25700 0.34407287 0 0.13738986 1.0027701 1.0027701
25800 0.32421817 0 0.12822703 1.0083102 1.0083102
25900 0.32463356 0 0.12403448 1.0027701 1.0027701
26000 0.32431468 0 0.12087994 1.0027701 1.0083102
26100 0.31886825 0 0.11741621 1.0083102 1.0027701
26200 0.32607823 0 0.1180517 1.0083102 1.0027701
26300 0.32511255 0 0.11479741 1.0027701 1.0083102
26400 0.32336124 0 0.11055002 1.0027701 1.0027701
26500 0.33026321 0 0.10934888 1.0027701 1.0027701
26600 0.32604491 0 0.10480442 1.0027701 1.0027701
26700 0.33764955 0 0.10458959 1.0027701 1.0027701
26800 0.35202544 0 0.10295075 1.0027701 1.0027701
26900 0.33382028 0 0.088148483 1.0027701 1.0027701
27000 0.33252808 0 0.078275659 1.0027701 1.0027701
27100 0.35433636 0 0.076729989 1.0083102 1.0027701
27200 0.34824881 0 0.065720375 1.0083102 1.0027701
27300 0.33525644 0 0.051611147 1.0027701 1.0027701
27400 0.34685762 0 0.045597284 1.0027701 1.0027701
27500 0.35181712 0 0.037076034 1.0027701 1.0027701
27600 0.34541685 0 0.022287411 1.0027701 1.0027701
27700 0.34559823 0 0.0056480168 1.0027701 1.0083102
27800 0.33646375 0 -0.015571541 1.0027701 1.0027701
27900 0.33681932 0 -0.031777883 1.0083102 1.0027701
28000 0.35093514 0 -0.041519343 1.0027701 1.0027701
28100 0.34345697 0 -0.057623438 1.0027701 1.0027701
28200 0.33655073 0 -0.072228985 1.0027701 1.0027701
28300 0.34428448 0 -0.080015243 1.0027701 1.0027701
28400 0.34089922 0 -0.089955339 1.0027701 1.0027701
28500 0.34522966 0 -0.096529413 1.0083102 1.0027701
28600 0.34713819 0 -0.10221712 1.0083102 1.0083102
28700 0.33692049 0 -0.10868625 1.0027701 1.0027701
28800 0.34522852 0 -0.10679446 1.0027701 1.0083102
28900 0.33956477 0 -0.1105454 1.0083102 1.0027701
29000 0.30989301 0 -0.12332622 1.0083102 1.0083102
29100 0.32373738 0 -0.11985261 1.0027701 1.0027701
29200 0.35156812 0 -0.10956099 1.0027701 1.0027701
29300 0.33938829 0 -0.11259535 1.0027701 1.0027701
29400 0.32401178 0 -0.11664978 1.0083102 1.0083102
29500 0.32320492 0 -0.11336533 1.0027701 1.0027701
29600 0.32928877 0 -0.10404547 1.0027701 1.0027701
29700 0.3436911 0 -0.089845529 1.0027701 1.0027701
29800 0.34194019 0 -0.081660797 1.0027701 1.0027701
29900 0.32909826 0 -0.07807778 1.0027701 1.0083102
30000 0.34092826 0 -0.06626489 1.0027701 1.0027701
30100 0.34763086 0 -0.055589635 1.0027701 1.0027701
30200 0.34479984 0 -0.047402672 1.0083102 1.0083102
30300 0.34783224 0 -0.036371931 1.0083102 1.0027701
30400 0.34525176 0 -0.027246663 1.0027701 1.0027701
30500 0.35266364 0 -0.016275033 1.0027701 1.0027701
30600 0.35792479 0 -0.007158119 1.0083102 1.0083102
30700 0.33607567 0 -0.0064391529 1.0027701 1.0027701
30800 0.34311607 0 0.005382948 1.0083102 1.0027701
30900 0.37218574 0 0.025004945 1.0027701 1.0027701
31000 0.35196541 0 0.027902483 1.0027701 1.0027701
31100 0.33533693 0 0.032349025 1.0083102 1.0083102
31200 0.34382193 0 0.046631454 1.0083102 1.0027701
31300 0.32886237 0 0.05405956 1.0027701 1.0027701
31400 0.32738754 0 0.066295734 1.0027701 1.0027701
31500 0.35367575 0 0.087140904 1.0027701 1.0027701
31600 0.33756811 0 0.092135887 1.0027701 1.0027701
31700 0.31701631 0 0.094576339 1.0027701 1.0027701
31800 0.34217612 0 0.11195071 1.0027701 1.0027701
31900 0.33725187 0 0.11924087 1.0027701 1.0083102
32000 0.30966055 0 0.1199329 1.0027701 1.0027701
32100 0.32771084 0 0.13627552 1.0027701 1.0027701
32200 0.3400914 0 0.14816015 1.0027701 1.0027701
32300 0.32210513 0 0.14569378 1.0027701 1.0027701
32400 0.32096229 0 0.14515284 1.0027701 1.0083102
32500 0.31781969 0 0.14124479 1.0083102 1.0083102
32600 0.3146986 0 0.13616644 1.0083102 1.0083102
32700 0.33526021 0 0.13913538 1.0027701 1.0027701
32800 0.33561156 0 0.13481353 1.0027701 1.0027701
32900 0.31418235 0 0.12161202 1.0027701 1.0027701
33000 0.31952054 0 0.11558871 1.0083102 1.0083102
33100 0.33437451 0 0.11011602 1.0083102 1.0083102
33200 0.33381704 0 0.096535424 1.0027701 1.0027701
33300 0.33786259 0 0.08382113 1.0027701 1.0027701
33400 0.34590937 0 0.073879824 1.0027701 1.0027701
33500 0.33844204 0 0.060854835 1.0083102 1.0083102
33600 0.33845544 0 0.052237152 1.0027701 1.0027701
33700 0.35419837 0 0.048922784 1.0027701 1.0027701
33800 0.3485977 0 0.036886422 1.0027701 1.0083102
33900 0.33816081 0 0.021599335 1.0083102 1.0083102
34000 0.34241389 0 0.010436074 1.0083102 1.0027701
34100 0.33934235 0 -0.002581075 1.0027701 1.0083102
34200 0.34579204 0 -0.011373729 1.0027701 1.0027701
34300 0.35778336 0 -0.018118327 1.0083102 1.0083102
34400 0.35522938 0 -0.030427967 1.0027701 1.0027701
34500 0.34820709 0 -0.042562699 1.0027701 1.0027701
34600 0.35026547 0 -0.047488326 1.0027701 1.0027701
34700 0.35221351 0 -0.050832178 1.0027701 1.0027701
34800 0.33043515 0 -0.062718859 1.0027701 1.0027701
34900 0.32750488 0 -0.068765033 1.0027701 1.0027701
35000 0.35323787 0 -0.067326627 1.0027701 1.0027701
35100 0.34732304 0 -0.080326407 1.0083102 1.0027701
35200 0.3248439 0 -0.099312427 1.0027701 1.0027701
35300 0.32854244 0 -0.10509437 1.0027701 1.0027701
35400 0.33511384 0 -0.10605662 1.0027701 1.0027701
35500 0.33532722 0 -0.10993967 1.0027701 1.0027701
35600 0.33523312 0 -0.11653983 1.0027701 1.0083102
35700 0.32405906 0 -0.12564005 1.0083102 1.0083102
35800 0.32914902 0 -0.12476137 1.0083102 1.0027701
35900 0.34093492 0 -0.11716996 1.0027701 1.0027701
36000 0.33557882 0 -0.11216382 1.0027701 1.0027701
36100 0.3342841 0 -0.10445781 1.0027701 1.0027701
36200 0.33557348 0 -0.0983036 1.0027701 1.0027701
36300 0.33052024 0 -0.097594107 1.0027701 1.0027701
36400 0.34570912 0 -0.089010349 1.0083102 1.0083102
36500 0.35735704 0 -0.078483059 1.0083102 1.0027701
36600 0.33199022 0 -0.079452064 1.0083102 1.0083102
36700 0.3191692 0 -0.074378584 1.0083102 1.0027701
36800 0.34473865 0 -0.052467819 1.0027701 1.0027701
36900 0.35012922 0 -0.034841373 1.0027701 1.0027701
37000 0.34543508 0 -0.019956141 1.0083102 1.0083102
37100 0.36637971 0 0.0034123108 1.0027701 1.0027701
37200 0.36008557 0 0.016667331 1.0083102 1.0083102
37300 0.34027931 0 0.024177377 1.0083102 1.0027701
37400 0.35097853 0 0.041160628 1.0027701 1.0027701
37500 0.35024671 0 0.052433671 1.0027701 1.0027701
37600 0.33483801 0 0.05655083 1.0027701 1.0027701
37700 0.3402098 0 0.067222448 1.0083102 1.0083102
37800 0.33859985 0 0.075720813 1.0083102 1.0083102
37900 0.32323549 0 0.079678841 1.0083102 1.0027701
38000 0.33701532 0 0.092666162 1.0027701 1.0027701
38100 0.3424632 0 0.10094611 1.0027701 1.0027701
38200 0.32167421 0 0.099350179 1.0027701 1.0083102
38300 0.32540911 0 0.10664752 1.0027701 1.0027701
38400 0.33574781 0 0.11614552 1.0027701 1.0027701
38500 0.33125908 0 0.11940265 1.0027701 1.0027701
38600 0.33885801 0 0.12616083 1.0027701 1.0027701
38700 0.33813506 0 0.1298943 1.0027701 1.0027701
38800 0.31888318 0 0.1260135 1.0027701 1.0027701
38900 0.31006429 0 0.12450345 1.0027701 1.0027701
39000 0.31407783 0 0.12693078 1.0083102 1.0083102
39100 0.33078021 0 0.13111094 1.0027701 1.0083102
39200 0.34311375 0 0.12937945 1.0027701 1.0083102
39300 0.33594172 0 0.11839992 1.0027701 1.0027701
39400 0.32763204 0 0.10898509 1.0083102 1.0083102
39500 0.33114946 0 0.10782558 1.0083102 1.0027701
39600 0.32905328 0 0.10631627 1.0027701 1.0027701
39700 0.32416114 0 0.10142386 1.0083102 1.0027701
39800 0.32709132 0 0.096046083 1.0027701 1.0027701
39900 0.32910896 0 0.087876394 1.0027701 1.0027701
40000 0.33462908 0 0.07810396 1.0027701 1.0027701
Loop time of 0.503795 on 2 procs for 40000 steps with 361 atoms
Performance: 6859934.469 tau/day, 79397.390 timesteps/s, 28.662 Matom-step/s
95.1% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.016365 | 0.01652 | 0.016675 | 0.1 | 3.28
Bond | 0.15864 | 0.16196 | 0.16529 | 0.8 | 32.15
Neigh | 0.05169 | 0.051701 | 0.051711 | 0.0 | 10.26
Comm | 0.076385 | 0.091917 | 0.10745 | 5.1 | 18.24
Output | 0.0032235 | 0.0038308 | 0.004438 | 1.0 | 0.76
Modify | 0.11757 | 0.11844 | 0.1193 | 0.3 | 23.51
Other | | 0.05943 | | | 11.80
Nlocal: 180.5 ave 181 max 180 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 53.5 ave 54 max 53 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 0 ave 0 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 0
Total # of neighbors = 0
Ave neighs/atom = 0
Ave special neighs/atom = 31.024931
Neighbor list builds = 800
Dangerous builds = 0
Total wall time: 0:00:00

550
examples/balance/log.3Nov23.balance.bond.slow.g++.4 Normal file
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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 2d circle of particles inside a box with LJ walls
variable b index 0
variable x index 50
variable y index 20
variable d index 20
# careful not to slam into wall too hard
variable v index 0.3
variable w index 0.08
units lj
dimension 2
atom_style bond
boundary f f p
lattice hex 0.85
Lattice spacing in x,y,z = 1.1655347 2.0187654 1.1655347
region box block 0 $x 0 $y -0.5 0.5
region box block 0 50 0 $y -0.5 0.5
region box block 0 50 0 20 -0.5 0.5
create_box 1 box bond/types 1 extra/bond/per/atom 6
Created orthogonal box = (0 0 -0.58276737) to (58.276737 40.375308 0.58276737)
2 by 2 by 1 MPI processor grid
region circle sphere $(v_d/2+1) $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 10
create_atoms 1 region circle
Created 361 atoms
using lattice units in orthogonal box = (0 0 -0.58276737) to (58.276737 40.375308 0.58276737)
create_atoms CPU = 0.001 seconds
mass 1 1.0
velocity all create 0.5 87287 loop geom
velocity all set $v $w 0 sum yes
velocity all set 0.3 $w 0 sum yes
velocity all set 0.3 0.08 0 sum yes
pair_style lj/cut 2.5
pair_coeff 1 1 10.0 1.0 2.5
bond_style harmonic
bond_coeff 1 10.0 1.2
create_bonds many all all 1 1.0 1.5
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
2 neighbor lists, perpetual/occasional/extra = 1 1 0
(1) command create_bonds, occasional
attributes: full, newton on
pair build: full/bin
stencil: full/bin/2d
bin: standard
(2) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d
bin: standard
Added 1014 bonds, new total = 1014
Finding 1-2 1-3 1-4 neighbors ...
special bond factors lj: 0 0 0
special bond factors coul: 0 0 0
6 = max # of 1-2 neighbors
30 = max # of 1-3 neighbors
180 = max # of 1-4 neighbors
36 = max # of special neighbors
special bonds CPU = 0.001 seconds
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 all nve
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi $x 1 1 2.5
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi 50 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi $y 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi 20 1 1 2.5
comm_style tiled
fix 10 all balance 50 0.9 rcb
#compute 1 all property/atom proc
#variable p atom (c_1%10)+1
#dump 2 all custom 50 tmp.dump id v_p x y z
#dump 3 all image 200 image.*.jpg v_p type bond atom 0.25 # adiam 1.0 view 0 0 zoom 1.8 subbox yes 0.02
#variable colors string # "red green blue yellow white # purple pink orange lime gray"
#dump_modify 3 pad 5 amap 0 10 sa 1 10 ${colors}
thermo_style custom step temp epair press f_10[3] f_10
thermo 100
timestep 0.001
run 40000
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/2d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 7.02 | 7.05 | 7.102 Mbytes
Step Temp E_pair Press f_10[3] f_10
0 0.57437856 0 0.26099453 3.2354571 1.0526316
100 0.36302846 0 0.17339851 1.0083102 1.0193906
200 0.19645077 0 0.087800915 1.0083102 1.0083102
300 0.32061117 0 0.11295723 1.0193906 1.0193906
400 0.32854136 0 0.11325585 1.0083102 1.0083102
500 0.29754179 0 0.10150632 1.0193906 1.0083102
600 0.37384867 0 0.11949784 1.0083102 1.0083102
700 0.33202319 0 0.092871339 1.0083102 1.0193906
800 0.28340637 0 0.065861565 1.0083102 1.0083102
900 0.36250157 0 0.085896287 1.0193906 1.0083102
1000 0.35402718 0 0.07519914 1.0083102 1.0193906
1100 0.31576357 0 0.050253636 1.0193906 1.0083102
1200 0.35727572 0 0.05153538 1.0083102 1.0083102
1300 0.34322607 0 0.036115722 1.0083102 1.0083102
1400 0.34007557 0 0.025378602 1.0083102 1.0193906
1500 0.39242551 0 0.033002212 1.0083102 1.0193906
1600 0.35679049 0 0.010101576 1.0083102 1.0193906
1700 0.31293001 0 -0.013791036 1.0193906 1.0193906
1800 0.34767962 0 -0.0065490806 1.0193906 1.0193906
1900 0.34721592 0 -0.010055082 1.0193906 1.0083102
2000 0.34074949 0 -0.020822697 1.0083102 1.0083102
2100 0.37195615 0 -0.024943134 1.0193906 1.0083102
2200 0.35367164 0 -0.047369336 1.0193906 1.0083102
2300 0.32088735 0 -0.069724381 1.0083102 1.0083102
2400 0.34291945 0 -0.065470223 1.0193906 1.0083102
2500 0.35204641 0 -0.062631879 1.0083102 1.0083102
2600 0.32762755 0 -0.075128824 1.0083102 1.0083102
2700 0.32042617 0 -0.086259498 1.0193906 1.0083102
2800 0.32747171 0 -0.094775765 1.0083102 1.0083102
2900 0.33544664 0 -0.10376048 1.0193906 1.0083102
3000 0.34015845 0 -0.1112134 1.0193906 1.0083102
3100 0.34425802 0 -0.11413914 1.0083102 1.0193906
3200 0.34158654 0 -0.1164643 1.0083102 1.0083102
3300 0.32525955 0 -0.12206636 1.0083102 1.0193906
3400 0.32183965 0 -0.12186353 1.0193906 1.0083102
3500 0.3323435 0 -0.11597815 1.0083102 1.0083102
3600 0.34124638 0 -0.11177335 1.0193906 1.0193906
3700 0.3404339 0 -0.11235575 1.0083102 1.0193906
3800 0.32736123 0 -0.11610108 1.0083102 1.0193906
3900 0.32897993 0 -0.11138151 1.0193906 1.0083102
4000 0.35111095 0 -0.096171644 1.0193906 1.0193906
4100 0.34682622 0 -0.087507472 1.0193906 1.0193906
4200 0.3307829 0 -0.079759555 1.0193906 1.0083102
4300 0.35057085 0 -0.055194355 1.0193906 1.0083102
4400 0.36389071 0 -0.02963313 1.0193906 1.0193906
4500 0.35694456 0 -0.013842583 1.0193906 1.0193906
4600 0.3472078 0 -0.0048118723 1.0083102 1.0083102
4700 0.31734514 0 -0.0032417081 1.0083102 1.0083102
4800 0.32419237 0 0.01409306 1.0083102 1.0193906
4900 0.36939799 0 0.045351789 1.0193906 1.0193906
5000 0.36998276 0 0.056830437 1.0083102 1.0083102
5100 0.33969031 0 0.051833536 1.0083102 1.0083102
5200 0.33910288 0 0.055544085 1.0083102 1.0083102
5300 0.34641009 0 0.0651487 1.0083102 1.0083102
5400 0.34469325 0 0.074538093 1.0083102 1.0083102
5500 0.34582041 0 0.084940845 1.0193906 1.0083102
5600 0.33471774 0 0.090102411 1.0083102 1.0193906
5700 0.32667873 0 0.09528948 1.0083102 1.0193906
5800 0.33762496 0 0.10545364 1.0083102 1.0083102
5900 0.33285742 0 0.10816506 1.0083102 1.0083102
6000 0.31920877 0 0.10547467 1.0083102 1.0193906
6100 0.31933081 0 0.10610684 1.0083102 1.0193906
6200 0.3152523 0 0.10651599 1.0193906 1.0083102
6300 0.32548074 0 0.11405234 1.0083102 1.0193906
6400 0.33851595 0 0.12389967 1.0193906 1.0193906
6500 0.32957825 0 0.12493331 1.0083102 1.0083102
6600 0.32319786 0 0.12404318 1.0083102 1.0083102
6700 0.3223738 0 0.12418108 1.0304709 1.0304709
6800 0.32390959 0 0.12576314 1.0193906 1.0083102
6900 0.34414413 0 0.1318456 1.0193906 1.0193906
7000 0.34508922 0 0.12669741 1.0083102 1.0083102
7100 0.31655025 0 0.10869109 1.0083102 1.0193906
7200 0.31997193 0 0.10305508 1.0083102 1.0193906
7300 0.33199085 0 0.10377052 1.0083102 1.0083102
7400 0.32146221 0 0.097589803 1.0193906 1.0193906
7500 0.33416843 0 0.096202638 1.0083102 1.0193906
7600 0.35297124 0 0.092441999 1.0193906 1.0083102
7700 0.34494663 0 0.075206332 1.0083102 1.0193906
7800 0.34010702 0 0.056336074 1.0193906 1.0083102
7900 0.343424 0 0.040946914 1.0193906 1.0193906
8000 0.33772245 0 0.025817271 1.0083102 1.0083102
8100 0.34463909 0 0.017237548 1.0193906 1.0304709
8200 0.36052034 0 0.010393623 1.0083102 1.0083102
8300 0.36083091 0 -0.0053933186 1.0083102 1.0083102
8400 0.35378067 0 -0.02600248 1.0083102 1.0083102
8500 0.35133887 0 -0.044211483 1.0083102 1.0083102
8600 0.34559937 0 -0.060861345 1.0083102 1.0083102
8700 0.33724119 0 -0.075776058 1.0083102 1.0193906
8800 0.33337192 0 -0.087098937 1.0193906 1.0193906
8900 0.33533081 0 -0.094631485 1.0193906 1.0304709
9000 0.34994303 0 -0.096758052 1.0193906 1.0083102
9100 0.34448227 0 -0.10330192 1.0193906 1.0193906
9200 0.32675792 0 -0.11000278 1.0193906 1.0193906
9300 0.33814013 0 -0.10358181 1.0083102 1.0193906
9400 0.34457419 0 -0.096896951 1.0083102 1.0083102
9500 0.33834959 0 -0.09547729 1.0083102 1.0083102
9600 0.33204582 0 -0.097694622 1.0193906 1.0083102
9700 0.31152805 0 -0.10637377 1.0193906 1.0083102
9800 0.31637311 0 -0.1053323 1.0083102 1.0083102
9900 0.33416162 0 -0.097857158 1.0083102 1.0083102
10000 0.33731767 0 -0.094656227 1.0083102 1.0083102
10100 0.34565093 0 -0.090199556 1.0193906 1.0193906
10200 0.34549074 0 -0.088914471 1.0193906 1.0083102
10300 0.33545625 0 -0.09066219 1.0083102 1.0083102
10400 0.33649703 0 -0.086437886 1.0083102 1.0083102
10500 0.34549848 0 -0.0767365 1.0193906 1.0193906
10600 0.34222917 0 -0.069368792 1.0083102 1.0083102
10700 0.34262469 0 -0.060550996 1.0193906 1.0083102
10800 0.34859129 0 -0.050692625 1.0193906 1.0193906
10900 0.34850448 0 -0.043627505 1.0193906 1.0193906
11000 0.34887257 0 -0.036859125 1.0193906 1.0193906
11100 0.34171718 0 -0.032690742 1.0193906 1.0083102
11200 0.329808 0 -0.02793377 1.0083102 1.0083102
11300 0.34490203 0 -0.010278222 1.0083102 1.0083102
11400 0.36226391 0 0.010141624 1.0193906 1.0193906
11500 0.35392138 0 0.021188939 1.0193906 1.0193906
11600 0.34378732 0 0.031423313 1.0304709 1.0193906
11700 0.33606385 0 0.043944374 1.0193906 1.0193906
11800 0.33212482 0 0.058629338 1.0193906 1.0193906
11900 0.34547313 0 0.078112959 1.0193906 1.0083102
12000 0.34840957 0 0.092356502 1.0083102 1.0083102
12100 0.34146853 0 0.10236492 1.0193906 1.0193906
12200 0.34591494 0 0.11620659 1.0193906 1.0083102
12300 0.33290894 0 0.12437245 1.0083102 1.0193906
12400 0.32423652 0 0.13191976 1.0193906 1.0193906
12500 0.33031748 0 0.13999363 1.0193906 1.0193906
12600 0.31927087 0 0.13776242 1.0083102 1.0193906
12700 0.30865965 0 0.13340787 1.0193906 1.0083102
12800 0.32542691 0 0.13690449 1.0083102 1.0083102
12900 0.32453244 0 0.13376127 1.0083102 1.0083102
13000 0.30974678 0 0.12749869 1.0083102 1.0083102
13100 0.32402285 0 0.13240572 1.0083102 1.0193906
13200 0.32896987 0 0.13257567 1.0193906 1.0083102
13300 0.32939197 0 0.12690791 1.0083102 1.0083102
13400 0.33966453 0 0.12036916 1.0083102 1.0083102
13500 0.33012942 0 0.10496127 1.0083102 1.0304709
13600 0.32363377 0 0.091763332 1.0304709 1.0304709
13700 0.33427955 0 0.087928243 1.0193906 1.0193906
13800 0.33457885 0 0.08191828 1.0083102 1.0083102
13900 0.33819924 0 0.074487337 1.0193906 1.0083102
14000 0.34611002 0 0.066256529 1.0083102 1.0083102
14100 0.33224254 0 0.052608223 1.0083102 1.0083102
14200 0.33796934 0 0.049677792 1.0083102 1.0083102
14300 0.36216731 0 0.055173039 1.0083102 1.0083102
14400 0.35140789 0 0.047322221 1.0193906 1.0193906
14500 0.34425046 0 0.036527245 1.0193906 1.0193906
14600 0.3604575 0 0.0294772 1.0083102 1.0083102
14700 0.3433878 0 0.0096774422 1.0083102 1.0083102
14800 0.3287069 0 -0.0079768782 1.0083102 1.0083102
14900 0.34978607 0 -0.01178453 1.0083102 1.0083102
15000 0.34749548 0 -0.023685074 1.0193906 1.0193906
15100 0.33474304 0 -0.040569945 1.0083102 1.0083102
15200 0.35036594 0 -0.048341599 1.0083102 1.0083102
15300 0.35686042 0 -0.058664905 1.0193906 1.0083102
15400 0.34041567 0 -0.074858327 1.0083102 1.0083102
15500 0.33397773 0 -0.083782088 1.0083102 1.0083102
15600 0.3420119 0 -0.084635487 1.0193906 1.0083102
15700 0.345487 0 -0.088137628 1.0193906 1.0083102
15800 0.33494392 0 -0.10083064 1.0083102 1.0083102
15900 0.32675175 0 -0.11620387 1.0083102 1.0083102
16000 0.33011636 0 -0.12713401 1.0083102 1.0304709
16100 0.32443118 0 -0.13685913 1.0193906 1.0193906
16200 0.31608392 0 -0.14164152 1.0193906 1.0193906
16300 0.33293965 0 -0.13335387 1.0083102 1.0083102
16400 0.34462807 0 -0.12471686 1.0083102 1.0083102
16500 0.33528082 0 -0.12211554 1.0083102 1.0083102
16600 0.34250121 0 -0.11228169 1.0083102 1.0083102
16700 0.35342336 0 -0.099226948 1.0083102 1.0083102
16800 0.33730938 0 -0.093581966 1.0083102 1.0193906
16900 0.3275761 0 -0.085163356 1.0083102 1.0083102
17000 0.33624873 0 -0.070896594 1.0193906 1.0083102
17100 0.34339177 0 -0.057731935 1.0083102 1.0083102
17200 0.34874414 0 -0.046575228 1.0083102 1.0083102
17300 0.33950911 0 -0.041862179 1.0083102 1.0083102
17400 0.33100286 0 -0.036618199 1.0193906 1.0083102
17500 0.34238095 0 -0.021681436 1.0193906 1.0083102
17600 0.35476614 0 -0.0032568304 1.0083102 1.0083102
17700 0.35452053 0 0.011863966 1.0083102 1.0304709
17800 0.35423934 0 0.024753043 1.0193906 1.0193906
17900 0.35001044 0 0.031647802 1.0193906 1.0193906
18000 0.32867773 0 0.030261102 1.0083102 1.0083102
18100 0.32730114 0 0.037627319 1.0083102 1.0083102
18200 0.35786038 0 0.057653258 1.0083102 1.0083102
18300 0.35598175 0 0.065533711 1.0083102 1.0304709
18400 0.33913202 0 0.066186406 1.0083102 1.0083102
18500 0.34449656 0 0.074575322 1.0083102 1.0193906
18600 0.34792041 0 0.083818651 1.0304709 1.0193906
18700 0.33910599 0 0.089751723 1.0193906 1.0193906
18800 0.33627789 0 0.097491916 1.0304709 1.0083102
18900 0.32937699 0 0.10350872 1.0193906 1.0083102
19000 0.30908702 0 0.10610099 1.0083102 1.0083102
19100 0.31033435 0 0.1168178 1.0083102 1.0083102
19200 0.32011336 0 0.12898885 1.0083102 1.0083102
19300 0.31851339 0 0.13398981 1.0083102 1.0083102
19400 0.33289985 0 0.1401039 1.0083102 1.0083102
19500 0.3387096 0 0.13971063 1.0083102 1.0083102
19600 0.31475734 0 0.12963499 1.0083102 1.0193906
19700 0.31971554 0 0.13189606 1.0083102 1.0193906
19800 0.33096999 0 0.13636987 1.0193906 1.0083102
19900 0.31601688 0 0.12889803 1.0083102 1.0083102
20000 0.32916469 0 0.12683491 1.0083102 1.0304709
20100 0.34355734 0 0.12251501 1.0083102 1.0083102
20200 0.33029721 0 0.10833335 1.0193906 1.0083102
20300 0.34079176 0 0.10305862 1.0083102 1.0083102
20400 0.35196716 0 0.098386494 1.0083102 1.0083102
20500 0.32687648 0 0.081202778 1.0193906 1.0193906
20600 0.33371658 0 0.074287923 1.0083102 1.0193906
20700 0.36625228 0 0.073768436 1.0083102 1.0083102
20800 0.35824217 0 0.054876358 1.0193906 1.0193906
20900 0.34861601 0 0.031603534 1.0083102 1.0083102
21000 0.35396698 0 0.013464537 1.0083102 1.0083102
21100 0.33592449 0 -0.0096173026 1.0083102 1.0083102
21200 0.327063 0 -0.025970252 1.0083102 1.0083102
21300 0.34418745 0 -0.030446162 1.0083102 1.0083102
21400 0.34181459 0 -0.039942616 1.0083102 1.0083102
21500 0.3315724 0 -0.05089285 1.0083102 1.0083102
21600 0.35674681 0 -0.047926263 1.0083102 1.0083102
21700 0.37320044 0 -0.047190592 1.0083102 1.0083102
21800 0.34626293 0 -0.063211549 1.0193906 1.0083102
21900 0.32941853 0 -0.078034339 1.0083102 1.0083102
22000 0.34102577 0 -0.083179211 1.0083102 1.0083102
22100 0.33614888 0 -0.091647522 1.0083102 1.0083102
22200 0.3339762 0 -0.09744915 1.0083102 1.0083102
22300 0.33867021 0 -0.10026932 1.0083102 1.0083102
22400 0.31974078 0 -0.10896583 1.0083102 1.0193906
22500 0.3261442 0 -0.10644809 1.0193906 1.0083102
22600 0.35128159 0 -0.097711062 1.0083102 1.0083102
22700 0.33133845 0 -0.10656571 1.0083102 1.0083102
22800 0.31730555 0 -0.11420891 1.0193906 1.0083102
22900 0.34720941 0 -0.10586647 1.0083102 1.0083102
23000 0.34418922 0 -0.10745826 1.0083102 1.0083102
23100 0.32342851 0 -0.11384766 1.0083102 1.0083102
23200 0.3408144 0 -0.10631064 1.0083102 1.0083102
23300 0.33006722 0 -0.1070084 1.0083102 1.0083102
23400 0.31578528 0 -0.10711608 1.0193906 1.0193906
23500 0.34908788 0 -0.088441889 1.0193906 1.0083102
23600 0.35801835 0 -0.075953983 1.0083102 1.0083102
23700 0.33573037 0 -0.072357745 1.0083102 1.0193906
23800 0.34435835 0 -0.055470682 1.0193906 1.0083102
23900 0.35307683 0 -0.036076205 1.0193906 1.0193906
24000 0.35184599 0 -0.020939815 1.0083102 1.0083102
24100 0.35687079 0 -0.0063601457 1.0083102 1.0083102
24200 0.33612385 0 -0.0014613923 1.0083102 1.0083102
24300 0.32234106 0 0.006750452 1.0083102 1.0083102
24400 0.34852008 0 0.029170079 1.0083102 1.0083102
24500 0.35224811 0 0.043783151 1.0083102 1.0083102
24600 0.34160459 0 0.05294313 1.0083102 1.0083102
24700 0.35616752 0 0.069291509 1.0083102 1.0083102
24800 0.34984726 0 0.076650029 1.0193906 1.0193906
24900 0.33337969 0 0.080083735 1.0193906 1.0083102
25000 0.34846751 0 0.095559187 1.0083102 1.0083102
25100 0.34495541 0 0.10558042 1.0193906 1.0083102
25200 0.32630088 0 0.10897783 1.0193906 1.0083102
25300 0.33651146 0 0.11888202 1.0083102 1.0083102
25400 0.32194445 0 0.11826793 1.0083102 1.0083102
25500 0.30295352 0 0.11641357 1.0083102 1.0083102
25600 0.33485387 0 0.13204258 1.0083102 1.0083102
25700 0.34407287 0 0.13738986 1.0083102 1.0083102
25800 0.32421817 0 0.12822703 1.0083102 1.0083102
25900 0.32463356 0 0.12403448 1.0193906 1.0193906
26000 0.32431468 0 0.12087994 1.0193906 1.0083102
26100 0.31886825 0 0.11741621 1.0193906 1.0083102
26200 0.32607823 0 0.1180517 1.0083102 1.0083102
26300 0.32511255 0 0.11479741 1.0304709 1.0193906
26400 0.32336124 0 0.11055002 1.0083102 1.0083102
26500 0.33026321 0 0.10934888 1.0083102 1.0083102
26600 0.32604491 0 0.10480442 1.0083102 1.0193906
26700 0.33764955 0 0.10458959 1.0083102 1.0083102
26800 0.35202544 0 0.10295075 1.0193906 1.0193906
26900 0.33382028 0 0.088148483 1.0193906 1.0193906
27000 0.33252808 0 0.078275659 1.0193906 1.0193906
27100 0.35433636 0 0.076729989 1.0304709 1.0193906
27200 0.34824881 0 0.065720375 1.0193906 1.0083102
27300 0.33525644 0 0.051611147 1.0083102 1.0193906
27400 0.34685762 0 0.045597284 1.0193906 1.0083102
27500 0.35181712 0 0.037076034 1.0083102 1.0083102
27600 0.34541685 0 0.022287411 1.0083102 1.0083102
27700 0.34559823 0 0.0056480168 1.0083102 1.0304709
27800 0.33646375 0 -0.015571541 1.0193906 1.0193906
27900 0.33681932 0 -0.031777883 1.0193906 1.0193906
28000 0.35093514 0 -0.041519343 1.0083102 1.0083102
28100 0.34345697 0 -0.057623438 1.0083102 1.0083102
28200 0.33655073 0 -0.072228985 1.0083102 1.0083102
28300 0.34428448 0 -0.080015243 1.0083102 1.0193906
28400 0.34089922 0 -0.089955339 1.0193906 1.0193906
28500 0.34522966 0 -0.096529413 1.0304709 1.0083102
28600 0.34713819 0 -0.10221712 1.0304709 1.0304709
28700 0.33692049 0 -0.10868625 1.0193906 1.0083102
28800 0.34522852 0 -0.10679446 1.0083102 1.0193906
28900 0.33956477 0 -0.1105454 1.0304709 1.0083102
29000 0.30989301 0 -0.12332622 1.0193906 1.0193906
29100 0.32373738 0 -0.11985261 1.0083102 1.0083102
29200 0.35156812 0 -0.10956099 1.0083102 1.0193906
29300 0.33938829 0 -0.11259535 1.0083102 1.0193906
29400 0.32401178 0 -0.11664978 1.0193906 1.0193906
29500 0.32320492 0 -0.11336533 1.0193906 1.0193906
29600 0.32928877 0 -0.10404547 1.0193906 1.0193906
29700 0.3436911 0 -0.089845529 1.0193906 1.0193906
29800 0.34194019 0 -0.081660797 1.0193906 1.0193906
29900 0.32909826 0 -0.07807778 1.0083102 1.0083102
30000 0.34092826 0 -0.06626489 1.0083102 1.0083102
30100 0.34763086 0 -0.055589635 1.0083102 1.0083102
30200 0.34479984 0 -0.047402672 1.0193906 1.0193906
30300 0.34783224 0 -0.036371931 1.0083102 1.0083102
30400 0.34525176 0 -0.027246663 1.0193906 1.0083102
30500 0.35266364 0 -0.016275033 1.0083102 1.0193906
30600 0.35792479 0 -0.007158119 1.0193906 1.0193906
30700 0.33607567 0 -0.0064391529 1.0083102 1.0083102
30800 0.34311607 0 0.005382948 1.0304709 1.0083102
30900 0.37218574 0 0.025004945 1.0083102 1.0083102
31000 0.35196541 0 0.027902483 1.0083102 1.0083102
31100 0.33533693 0 0.032349025 1.0083102 1.0083102
31200 0.34382193 0 0.046631454 1.0193906 1.0083102
31300 0.32886237 0 0.05405956 1.0083102 1.0083102
31400 0.32738754 0 0.066295734 1.0083102 1.0083102
31500 0.35367575 0 0.087140904 1.0083102 1.0083102
31600 0.33756811 0 0.092135887 1.0083102 1.0083102
31700 0.31701631 0 0.094576339 1.0083102 1.0083102
31800 0.34217612 0 0.11195071 1.0083102 1.0083102
31900 0.33725187 0 0.11924087 1.0193906 1.0083102
32000 0.30966055 0 0.1199329 1.0193906 1.0083102
32100 0.32771084 0 0.13627552 1.0083102 1.0083102
32200 0.3400914 0 0.14816015 1.0083102 1.0193906
32300 0.32210513 0 0.14569378 1.0193906 1.0083102
32400 0.32096229 0 0.14515284 1.0083102 1.0193906
32500 0.31781969 0 0.14124479 1.0193906 1.0193906
32600 0.3146986 0 0.13616644 1.0193906 1.0193906
32700 0.33526021 0 0.13913538 1.0083102 1.0083102
32800 0.33561156 0 0.13481353 1.0083102 1.0083102
32900 0.31418235 0 0.12161202 1.0193906 1.0193906
33000 0.31952054 0 0.11558871 1.0304709 1.0083102
33100 0.33437451 0 0.11011602 1.0193906 1.0193906
33200 0.33381704 0 0.096535424 1.0193906 1.0304709
33300 0.33786259 0 0.08382113 1.0304709 1.0304709
33400 0.34590937 0 0.073879824 1.0083102 1.0083102
33500 0.33844204 0 0.060854835 1.0193906 1.0193906
33600 0.33845544 0 0.052237152 1.0083102 1.0193906
33700 0.35419837 0 0.048922784 1.0083102 1.0083102
33800 0.3485977 0 0.036886422 1.0083102 1.0083102
33900 0.33816081 0 0.021599335 1.0083102 1.0083102
34000 0.34241389 0 0.010436074 1.0083102 1.0083102
34100 0.33934235 0 -0.002581075 1.0193906 1.0083102
34200 0.34579204 0 -0.011373729 1.0083102 1.0193906
34300 0.35778336 0 -0.018118327 1.0193906 1.0193906
34400 0.35522938 0 -0.030427967 1.0083102 1.0193906
34500 0.34820709 0 -0.042562699 1.0083102 1.0083102
34600 0.35026547 0 -0.047488326 1.0083102 1.0083102
34700 0.35221351 0 -0.050832178 1.0083102 1.0083102
34800 0.33043515 0 -0.062718859 1.0083102 1.0083102
34900 0.32750488 0 -0.068765033 1.0083102 1.0083102
35000 0.35323787 0 -0.067326627 1.0083102 1.0083102
35100 0.34732304 0 -0.080326407 1.0193906 1.0083102
35200 0.3248439 0 -0.099312427 1.0083102 1.0083102
35300 0.32854244 0 -0.10509437 1.0083102 1.0083102
35400 0.33511384 0 -0.10605662 1.0083102 1.0083102
35500 0.33532722 0 -0.10993967 1.0083102 1.0083102
35600 0.33523312 0 -0.11653983 1.0083102 1.0193906
35700 0.32405906 0 -0.12564005 1.0193906 1.0193906
35800 0.32914902 0 -0.12476137 1.0193906 1.0083102
35900 0.34093492 0 -0.11716996 1.0083102 1.0083102
36000 0.33557882 0 -0.11216382 1.0083102 1.0083102
36100 0.3342841 0 -0.10445781 1.0193906 1.0193906
36200 0.33557348 0 -0.0983036 1.0193906 1.0083102
36300 0.33052024 0 -0.097594107 1.0304709 1.0083102
36400 0.34570912 0 -0.089010349 1.0083102 1.0193906
36500 0.35735704 0 -0.078483059 1.0193906 1.0193906
36600 0.33199022 0 -0.079452064 1.0193906 1.0083102
36700 0.3191692 0 -0.074378584 1.0083102 1.0083102
36800 0.34473865 0 -0.052467819 1.0083102 1.0083102
36900 0.35012922 0 -0.034841373 1.0193906 1.0083102
37000 0.34543508 0 -0.019956141 1.0083102 1.0083102
37100 0.36637971 0 0.0034123108 1.0083102 1.0083102
37200 0.36008557 0 0.016667331 1.0304709 1.0304709
37300 0.34027931 0 0.024177377 1.0304709 1.0083102
37400 0.35097853 0 0.041160628 1.0083102 1.0083102
37500 0.35024671 0 0.052433671 1.0083102 1.0083102
37600 0.33483801 0 0.05655083 1.0193906 1.0193906
37700 0.3402098 0 0.067222448 1.0193906 1.0193906
37800 0.33859985 0 0.075720813 1.0193906 1.0193906
37900 0.32323549 0 0.079678841 1.0193906 1.0083102
38000 0.33701532 0 0.092666162 1.0193906 1.0193906
38100 0.3424632 0 0.10094611 1.0083102 1.0193906
38200 0.32167421 0 0.099350179 1.0193906 1.0193906
38300 0.32540911 0 0.10664752 1.0083102 1.0193906
38400 0.33574781 0 0.11614552 1.0193906 1.0083102
38500 0.33125908 0 0.11940265 1.0193906 1.0083102
38600 0.33885801 0 0.12616083 1.0083102 1.0083102
38700 0.33813506 0 0.1298943 1.0083102 1.0193906
38800 0.31888318 0 0.1260135 1.0083102 1.0193906
38900 0.31006429 0 0.12450345 1.0193906 1.0083102
39000 0.31407783 0 0.12693078 1.0193906 1.0193906
39100 0.33078021 0 0.13111094 1.0304709 1.0193906
39200 0.34311375 0 0.12937945 1.0083102 1.0193906
39300 0.33594172 0 0.11839992 1.0083102 1.0083102
39400 0.32763204 0 0.10898509 1.0304709 1.0193906
39500 0.33114946 0 0.10782558 1.0083102 1.0083102
39600 0.32905328 0 0.10631627 1.0083102 1.0193906
39700 0.32416114 0 0.10142386 1.0193906 1.0083102
39800 0.32709132 0 0.096046083 1.0083102 1.0193906
39900 0.32910896 0 0.087876394 1.0083102 1.0083102
40000 0.33462908 0 0.07810396 1.0193906 1.0193906
Loop time of 0.489746 on 4 procs for 40000 steps with 361 atoms
Performance: 7056721.575 tau/day, 81675.018 timesteps/s, 29.485 Matom-step/s
91.4% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.007919 | 0.0093951 | 0.010867 | 1.2 | 1.92
Bond | 0.070755 | 0.085453 | 0.096684 | 3.3 | 17.45
Neigh | 0.030371 | 0.030384 | 0.030393 | 0.0 | 6.20
Comm | 0.16386 | 0.17988 | 0.19412 | 2.6 | 36.73
Output | 0.0037789 | 0.0040841 | 0.0048475 | 0.7 | 0.83
Modify | 0.090035 | 0.098104 | 0.1037 | 1.8 | 20.03
Other | | 0.08244 | | | 16.83
Nlocal: 90.25 ave 92 max 88 min
Histogram: 1 0 0 0 0 1 0 1 0 1
Nghost: 60 ave 61 max 58 min
Histogram: 1 0 0 0 0 0 1 0 0 2
Neighs: 0 ave 0 max 0 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Total # of neighbors = 0
Ave neighs/atom = 0
Ave special neighs/atom = 31.024931
Neighbor list builds = 800
Dangerous builds = 0
Total wall time: 0:00:00

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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6795962 1.6795962 1.6795962
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
using lattice units in orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
create_atoms CPU = 0.001 seconds
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
Setting atom values ...
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
fix p all property/atom d_WEIGHT
compute p all property/atom d_WEIGHT
fix 0 all balance 50 1.0 shift x 10 1.0 weight time 1.0 weight store WEIGHT
variable maximb equal f_0[1]
variable iter equal f_0[2]
variable prev equal f_0[3]
variable final equal f_0
#fix 3 all print 50 "${iter} ${prev} ${final} ${maximb}"
fix 1 all nve
#dump id all atom 50 dump.melt
#dump id all custom 50 dump.lammpstrj id type x y z c_p
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 500
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 2 steps, delay = 4 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 4.559 | 4.75 | 4.941 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137
50 0.49578514 -6.1929216 0 -5.4494298 -1.6668039 4738.2137
100 0.53275389 -6.2475932 0 -5.4486622 -1.9063885 4738.2137
150 0.53316457 -6.2483202 0 -5.4487733 -1.9476162 4738.2137
200 0.536665 -6.2530113 0 -5.448215 -1.933468 4738.2137
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847 4738.2137
300 0.55111476 -6.2727642 0 -5.4462987 -2.0384873 4738.2137
350 0.55211503 -6.274054 0 -5.4460885 -2.0116976 4738.2137
400 0.54638463 -6.2661715 0 -5.4467995 -1.992248 4738.2137
450 0.55885307 -6.2852263 0 -5.4471563 -2.0669747 4738.2137
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802 4738.2137
Loop time of 1.71386 on 2 procs for 500 steps with 4000 atoms
Performance: 126031.028 tau/day, 291.738 timesteps/s, 1.167 Matom-step/s
99.6% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.1357 | 1.1768 | 1.2179 | 3.8 | 68.66
Neigh | 0.40728 | 0.42812 | 0.44897 | 3.2 | 24.98
Comm | 0.075827 | 0.095749 | 0.11567 | 6.4 | 5.59
Output | 0.0002928 | 0.0003251 | 0.00035739 | 0.0 | 0.02
Modify | 0.0076492 | 0.0080146 | 0.00838 | 0.4 | 0.47
Other | | 0.004868 | | | 0.28
Nlocal: 2000 ave 2149 max 1851 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10459.5 ave 10836 max 10083 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 298070 ave 307801 max 288338 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 596139
Ave neighs/atom = 149.03475
Neighbor list builds = 51
Dangerous builds = 0
run 500
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 4.945 | 4.949 | 4.953 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802 4738.2137
550 0.54137926 -6.2592773 0 -5.4474115 -1.9770236 4738.2137
600 0.54022886 -6.2573307 0 -5.44719 -1.9619637 4738.2137
650 0.54709009 -6.2678862 0 -5.4474562 -1.9958342 4738.2137
700 0.54590044 -6.2656903 0 -5.4470444 -1.9957108 4738.2137
750 0.55098488 -6.2724831 0 -5.4462124 -2.0287523 4738.2137
800 0.5520987 -6.2739184 0 -5.4459774 -2.0084991 4738.2137
850 0.54963958 -6.2702473 0 -5.445994 -1.9740031 4738.2137
900 0.54390586 -6.2615476 0 -5.4458927 -1.9400871 4738.2137
950 0.54741732 -6.2665755 0 -5.4456548 -1.9466417 4738.2137
1000 0.54200867 -6.2591246 0 -5.4463148 -1.8881624 4738.2137
Loop time of 1.67419 on 2 procs for 500 steps with 4000 atoms
Performance: 129017.323 tau/day, 298.651 timesteps/s, 1.195 Matom-step/s
99.7% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.1354 | 1.1632 | 1.191 | 2.6 | 69.48
Neigh | 0.39683 | 0.42125 | 0.44567 | 3.8 | 25.16
Comm | 0.073552 | 0.076486 | 0.07942 | 1.1 | 4.57
Output | 0.00028662 | 0.00031609 | 0.00034556 | 0.0 | 0.02
Modify | 0.0075098 | 0.0079796 | 0.0084494 | 0.5 | 0.48
Other | | 0.004917 | | | 0.29
Nlocal: 2000 ave 2127 max 1873 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10413.5 ave 10886 max 9941 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 300836 ave 314685 max 286986 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 601671
Ave neighs/atom = 150.41775
Neighbor list builds = 51
Dangerous builds = 0
fix 0 all balance 50 1.0 shift x 5 1.0 weight neigh 0.5 weight time 0.66 weight store WEIGHT
run 500
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 4.953 | 5.144 | 5.336 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1000 0.54200867 -6.2591246 0 -5.4463148 -1.8881624 4738.2137
1050 0.54633412 -6.2656384 0 -5.4463421 -1.9012895 4738.2137
1100 0.54325667 -6.2612166 0 -5.4465353 -1.8870463 4738.2137
1150 0.55057583 -6.2719187 0 -5.4462614 -1.9575881 4738.2137
1200 0.53728175 -6.251744 0 -5.4460228 -1.8124097 4738.2137
1250 0.54077561 -6.2567544 0 -5.4457938 -1.8418134 4738.2137
1300 0.54430333 -6.260995 0 -5.4447442 -1.856351 4738.2137
1350 0.55097839 -6.2715909 0 -5.4453299 -1.9014337 4738.2137
1400 0.53858139 -6.2526781 0 -5.445008 -1.7965773 4738.2137
1450 0.5421844 -6.2574683 0 -5.444395 -1.7901189 4738.2137
1500 0.54200617 -6.2571433 0 -5.4443373 -1.8000344 4738.2137
Loop time of 2.16148 on 2 procs for 500 steps with 4000 atoms
Performance: 99931.753 tau/day, 231.324 timesteps/s, 925.294 katom-step/s
98.8% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.79846 | 1.1842 | 1.5699 | 35.4 | 54.79
Neigh | 0.37845 | 0.43466 | 0.49086 | 8.5 | 20.11
Comm | 0.08708 | 0.52938 | 0.97168 | 60.8 | 24.49
Output | 0.0002959 | 0.0003233 | 0.00035071 | 0.0 | 0.01
Modify | 0.0072841 | 0.0078691 | 0.0084541 | 0.7 | 0.36
Other | | 0.005076 | | | 0.23
Nlocal: 2000 ave 2298 max 1702 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10344.5 ave 11222 max 9467 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 302958 ave 343175 max 262742 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 605917
Ave neighs/atom = 151.47925
Neighbor list builds = 51
Dangerous builds = 0
run 500
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 4.957 | 5.337 | 5.718 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1500 0.54200617 -6.2571433 0 -5.4443373 -1.8000344 4738.2137
1550 0.53713589 -6.2504069 0 -5.4449045 -1.764709 4738.2137
1600 0.54679555 -6.2646482 0 -5.44466 -1.8115779 4738.2137
1650 0.53806567 -6.2519005 0 -5.4450038 -1.7409139 4738.2137
1700 0.53479485 -6.2468959 0 -5.4449041 -1.7162328 4738.2137
1750 0.53714536 -6.2506572 0 -5.4451406 -1.7340479 4738.2137
1800 0.52749909 -6.2358678 0 -5.444817 -1.6875013 4738.2137
1850 0.54585987 -6.2629365 0 -5.4443514 -1.7758757 4738.2137
1900 0.53010207 -6.2387514 0 -5.4437971 -1.6381553 4738.2137
1950 0.54287913 -6.2582893 0 -5.4441742 -1.7367856 4738.2137
2000 0.52766186 -6.2348576 0 -5.4435627 -1.5589066 4738.2137
Loop time of 2.18418 on 2 procs for 500 steps with 4000 atoms
Performance: 98892.757 tau/day, 228.918 timesteps/s, 915.674 katom-step/s
98.6% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.87818 | 1.1728 | 1.4674 | 27.2 | 53.69
Neigh | 0.38155 | 0.42626 | 0.47096 | 6.8 | 19.52
Comm | 0.23213 | 0.57157 | 0.91101 | 44.9 | 26.17
Output | 0.00030069 | 0.00032376 | 0.00034684 | 0.0 | 0.01
Modify | 0.0076232 | 0.0079287 | 0.0082342 | 0.3 | 0.36
Other | | 0.005329 | | | 0.24
Nlocal: 2000 ave 2300 max 1700 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10324 ave 11204 max 9444 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 303986 ave 345018 max 262954 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 607972
Ave neighs/atom = 151.993
Neighbor list builds = 51
Dangerous builds = 0
Total wall time: 0:00:07

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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6795962 1.6795962 1.6795962
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
using lattice units in orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
create_atoms CPU = 0.000 seconds
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
Setting atom values ...
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
fix p all property/atom d_WEIGHT
compute p all property/atom d_WEIGHT
fix 0 all balance 50 1.0 shift x 10 1.0 weight time 1.0 weight store WEIGHT
variable maximb equal f_0[1]
variable iter equal f_0[2]
variable prev equal f_0[3]
variable final equal f_0
#fix 3 all print 50 "${iter} ${prev} ${final} ${maximb}"
fix 1 all nve
#dump id all atom 50 dump.melt
#dump id all custom 50 dump.lammpstrj id type x y z c_p
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 500
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 2 steps, delay = 4 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 3.692 | 4.073 | 4.455 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137
50 0.48653399 -6.1788509 0 -5.4492324 -1.6017778 4738.2137
100 0.53411175 -6.249885 0 -5.4489177 -1.9317606 4738.2137
150 0.53646658 -6.2527206 0 -5.4482219 -1.9689568 4738.2137
200 0.54551611 -6.2656326 0 -5.4475631 -2.0042104 4738.2137
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995 4738.2137
300 0.5477618 -6.2678071 0 -5.4463698 -1.997842 4738.2137
350 0.55600296 -6.2801497 0 -5.4463538 -2.0394056 4738.2137
400 0.53241503 -6.2453665 0 -5.4469436 -1.878594 4738.2137
450 0.5439158 -6.2623 0 -5.4466302 -1.9744161 4738.2137
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015 4738.2137
Loop time of 1.25319 on 4 procs for 500 steps with 4000 atoms
Performance: 172359.605 tau/day, 398.981 timesteps/s, 1.596 Matom-step/s
98.8% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.34653 | 0.64351 | 0.91663 | 28.5 | 51.35
Neigh | 0.21165 | 0.23194 | 0.25847 | 4.2 | 18.51
Comm | 0.11416 | 0.36777 | 0.63774 | 34.3 | 29.35
Output | 0.00027595 | 0.00030885 | 0.00034514 | 0.0 | 0.02
Modify | 0.0044031 | 0.005039 | 0.0057452 | 0.8 | 0.40
Other | | 0.004619 | | | 0.37
Nlocal: 1000 ave 1250 max 767 min
Histogram: 1 1 0 0 0 0 0 1 0 1
Nghost: 8594.25 ave 9068 max 8005 min
Histogram: 1 0 0 0 0 1 1 0 0 1
Neighs: 149308 ave 207861 max 76482 min
Histogram: 1 0 1 0 0 0 0 0 0 2
Total # of neighbors = 597231
Ave neighs/atom = 149.30775
Neighbor list builds = 50
Dangerous builds = 0
run 500
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 4.082 | 4.271 | 4.459 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015 4738.2137
550 0.53879347 -6.2554274 0 -5.4474393 -1.9756834 4738.2137
600 0.54275982 -6.2616799 0 -5.4477437 -1.9939993 4738.2137
650 0.54526651 -6.265098 0 -5.4474027 -2.0303672 4738.2137
700 0.54369381 -6.263201 0 -5.4478642 -1.9921967 4738.2137
750 0.54452777 -6.2640839 0 -5.4474964 -1.9658675 4738.2137
800 0.55061744 -6.2725556 0 -5.4468359 -2.0100922 4738.2137
850 0.55371614 -6.2763992 0 -5.4460326 -2.0065329 4738.2137
900 0.54756622 -6.2668303 0 -5.4456863 -1.9796122 4738.2137
950 0.54791593 -6.2673161 0 -5.4456477 -1.9598278 4738.2137
1000 0.54173198 -6.2586101 0 -5.4462153 -1.9007466 4738.2137
Loop time of 1.21278 on 4 procs for 500 steps with 4000 atoms
Performance: 178103.015 tau/day, 412.275 timesteps/s, 1.649 Matom-step/s
99.0% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.34456 | 0.63182 | 0.88173 | 27.7 | 52.10
Neigh | 0.21634 | 0.24141 | 0.2701 | 4.5 | 19.91
Comm | 0.10554 | 0.32979 | 0.58781 | 34.4 | 27.19
Output | 0.00027303 | 0.00029988 | 0.00033111 | 0.0 | 0.02
Modify | 0.0042091 | 0.0049092 | 0.0056581 | 0.9 | 0.40
Other | | 0.004556 | | | 0.38
Nlocal: 1000 ave 1448 max 649 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Nghost: 8681.25 ave 9365 max 7993 min
Histogram: 1 0 1 0 0 0 0 1 0 1
Neighs: 150170 ave 187956 max 103584 min
Histogram: 1 0 0 1 0 0 0 0 1 1
Total # of neighbors = 600678
Ave neighs/atom = 150.1695
Neighbor list builds = 53
Dangerous builds = 0
fix 0 all balance 50 1.0 shift x 5 1.0 weight neigh 0.5 weight time 0.66 weight store WEIGHT
run 500
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 4.082 | 4.271 | 4.459 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1000 0.54173198 -6.2586101 0 -5.4462153 -1.9007466 4738.2137
1050 0.54629742 -6.2657526 0 -5.4465113 -1.945821 4738.2137
1100 0.55427881 -6.2781733 0 -5.446963 -2.0021027 4738.2137
1150 0.54730654 -6.267257 0 -5.4465025 -1.9420678 4738.2137
1200 0.5388281 -6.2547963 0 -5.4467562 -1.890178 4738.2137
1250 0.54848768 -6.2694237 0 -5.4468979 -1.9636797 4738.2137
1300 0.54134321 -6.2590728 0 -5.447261 -1.9170271 4738.2137
1350 0.53564389 -6.2501521 0 -5.4468871 -1.8642306 4738.2137
1400 0.53726924 -6.2518379 0 -5.4461355 -1.8544028 4738.2137
1450 0.54525935 -6.2632653 0 -5.4455808 -1.9072158 4738.2137
1500 0.54223346 -6.2591057 0 -5.4459588 -1.8866984 4738.2137
Loop time of 1.11039 on 4 procs for 500 steps with 4000 atoms
Performance: 194526.606 tau/day, 450.293 timesteps/s, 1.801 Matom-step/s
98.8% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.42944 | 0.62743 | 0.76349 | 18.0 | 56.51
Neigh | 0.1745 | 0.22812 | 0.29389 | 10.7 | 20.54
Comm | 0.15606 | 0.24538 | 0.37672 | 18.4 | 22.10
Output | 0.00028277 | 0.00030572 | 0.00033535 | 0.0 | 0.03
Modify | 0.0036942 | 0.0046797 | 0.0057281 | 1.4 | 0.42
Other | | 0.00448 | | | 0.40
Nlocal: 1000 ave 1289 max 764 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Nghost: 8639.25 ave 9512 max 8090 min
Histogram: 1 1 0 1 0 0 0 0 0 1
Neighs: 150494 ave 209619 max 82578 min
Histogram: 1 0 1 0 0 0 0 0 0 2
Total # of neighbors = 601974
Ave neighs/atom = 150.4935
Neighbor list builds = 51
Dangerous builds = 0
run 500
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 4.082 | 4.272 | 4.459 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1500 0.54223346 -6.2591057 0 -5.4459588 -1.8866984 4738.2137
1550 0.55327014 -6.2750125 0 -5.4453148 -1.9506585 4738.2137
1600 0.54418991 -6.261262 0 -5.4451812 -1.8559426 4738.2137
1650 0.54710046 -6.266198 0 -5.4457525 -1.888284 4738.2137
1700 0.53665701 -6.2504958 0 -5.4457115 -1.8067998 4738.2137
1750 0.5486465 -6.2681117 0 -5.4453477 -1.8662621 4738.2137
1800 0.54476258 -6.2615089 0 -5.4445693 -1.8352878 4738.2137
1850 0.541431 -6.255553 0 -5.4436095 -1.8005746 4738.2137
1900 0.53992581 -6.2541254 0 -5.4444392 -1.7768566 4738.2137
1950 0.54667259 -6.264121 0 -5.4443171 -1.7947882 4738.2137
2000 0.54556851 -6.2625542 0 -5.444406 -1.8072484 4738.2137
Loop time of 1.14143 on 4 procs for 500 steps with 4000 atoms
Performance: 189237.081 tau/day, 438.049 timesteps/s, 1.752 Matom-step/s
99.2% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.42201 | 0.63026 | 0.77752 | 18.6 | 55.22
Neigh | 0.18905 | 0.2462 | 0.31411 | 10.7 | 21.57
Comm | 0.15495 | 0.25528 | 0.39485 | 18.8 | 22.36
Output | 0.00027662 | 0.00030437 | 0.00033645 | 0.0 | 0.03
Modify | 0.0037058 | 0.0046791 | 0.0056663 | 1.4 | 0.41
Other | | 0.004707 | | | 0.41
Nlocal: 1000 ave 1309 max 769 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Nghost: 8636.75 ave 9520 max 8192 min
Histogram: 2 0 1 0 0 0 0 0 0 1
Neighs: 151656 ave 211059 max 85091 min
Histogram: 1 0 1 0 0 0 0 0 0 2
Total # of neighbors = 606625
Ave neighs/atom = 151.65625
Neighbor list builds = 56
Dangerous builds = 0
Total wall time: 0:00:04

207
examples/balance/log.3Nov23.balance.clock.static.g++.2 Normal file
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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
variable factor index 1.0
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6795962 1.6795962 1.6795962
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
using lattice units in orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
create_atoms CPU = 0.001 seconds
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
Setting atom values ...
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
balance 1.0 shift x 5 1.1 weight time 1.0 # out unweighted.txt
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 2 steps, delay = 4 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d
bin: standard
rebalancing time: 0.001 seconds
iteration count = 1
time weight factor: 1
initial/final maximal load/proc = 2000 2000
initial/final imbalance factor = 1 1
x cuts: 0 0.5 1
y cuts: 0 1
z cuts: 0 1
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 4.294 | 4.485 | 4.675 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1 -6.9453205 0 -5.4456955 -5.6812358
50 0.49578514 -6.1929216 0 -5.4494298 -1.6668039
100 0.53275389 -6.2475932 0 -5.4486622 -1.9063885
150 0.53316457 -6.2483202 0 -5.4487733 -1.9476162
200 0.536665 -6.2530113 0 -5.448215 -1.933468
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847
Loop time of 0.952998 on 2 procs for 250 steps with 4000 atoms
Performance: 113326.532 tau/day, 262.330 timesteps/s, 1.049 Matom-step/s
99.4% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.4745 | 0.59305 | 0.7116 | 15.4 | 62.23
Neigh | 0.19129 | 0.20528 | 0.21927 | 3.1 | 21.54
Comm | 0.016122 | 0.14873 | 0.28134 | 34.4 | 15.61
Output | 0.00015798 | 0.00017139 | 0.0001848 | 0.0 | 0.02
Modify | 0.0032698 | 0.0033573 | 0.0034449 | 0.2 | 0.35
Other | | 0.00241 | | | 0.25
Nlocal: 2000 ave 2051 max 1949 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10443 ave 10506 max 10380 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 298332 ave 363449 max 233215 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 596664
Ave neighs/atom = 149.166
Neighbor list builds = 24
Dangerous builds = 0
balance 1.0 shift x 5 1.1 weight time 1.0 # out unweighted.txt
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 3
time weight factor: 1
initial/final maximal load/proc = 1.0308705 0.92612715
initial/final imbalance factor = 1.1475395 1.0309418
x cuts: 0 0.4375 1
y cuts: 0 1
z cuts: 0 1
run 250
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 4.68 | 4.683 | 4.687 Mbytes
Step Temp E_pair E_mol TotEng Press
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847
300 0.55111476 -6.2727642 0 -5.4462987 -2.0384873
350 0.55211503 -6.274054 0 -5.4460885 -2.0116976
400 0.54638463 -6.2661715 0 -5.4467995 -1.992248
450 0.55885307 -6.2852263 0 -5.4471563 -2.0669747
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802
Loop time of 0.88104 on 2 procs for 250 steps with 4000 atoms
Performance: 122582.335 tau/day, 283.755 timesteps/s, 1.135 Matom-step/s
99.6% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.54838 | 0.58404 | 0.6197 | 4.7 | 66.29
Neigh | 0.18083 | 0.20191 | 0.22299 | 4.7 | 22.92
Comm | 0.032279 | 0.089285 | 0.14629 | 19.1 | 10.13
Output | 0.00014548 | 0.00016198 | 0.00017849 | 0.0 | 0.02
Modify | 0.0029024 | 0.0032448 | 0.0035871 | 0.6 | 0.37
Other | | 0.002397 | | | 0.27
Nlocal: 2000 ave 2284 max 1716 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10450 ave 10742 max 10158 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 298063 ave 326003 max 270123 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 596126
Ave neighs/atom = 149.0315
Neighbor list builds = 25
Dangerous builds = 0
balance 1.0 shift x 5 1.1 weight time 1.0 # out unweighted.txt
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 4
time weight factor: 1
initial/final maximal load/proc = 0.94269243 0.91089769
initial/final imbalance factor = 1.0640447 1.028157
x cuts: 0 0.47265625 1
y cuts: 0 1
z cuts: 0 1
run 250
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 4.68 | 4.683 | 4.687 Mbytes
Step Temp E_pair E_mol TotEng Press
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802
550 0.54137926 -6.2592773 0 -5.4474115 -1.9770236
600 0.54022886 -6.2573307 0 -5.44719 -1.9619637
650 0.54709009 -6.2678862 0 -5.4474562 -1.9958342
700 0.54590044 -6.2656903 0 -5.4470444 -1.9957108
750 0.55098488 -6.2724831 0 -5.4462124 -2.0287523
Loop time of 0.879484 on 2 procs for 250 steps with 4000 atoms
Performance: 122799.292 tau/day, 284.258 timesteps/s, 1.137 Matom-step/s
99.5% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.52834 | 0.59047 | 0.6526 | 8.1 | 67.14
Neigh | 0.20544 | 0.20695 | 0.20845 | 0.3 | 23.53
Comm | 0.015738 | 0.076296 | 0.13685 | 21.9 | 8.68
Output | 0.00016028 | 0.00017427 | 0.00018825 | 0.0 | 0.02
Modify | 0.0032547 | 0.0033096 | 0.0033644 | 0.1 | 0.38
Other | | 0.002288 | | | 0.26
Nlocal: 2000 ave 2089 max 1911 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10347.5 ave 10639 max 10056 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 299628 ave 327997 max 271259 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 599256
Ave neighs/atom = 149.814
Neighbor list builds = 25
Dangerous builds = 0
Total wall time: 0:00:02

207
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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
variable factor index 1.0
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6795962 1.6795962 1.6795962
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
using lattice units in orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
create_atoms CPU = 0.000 seconds
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
Setting atom values ...
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
balance 1.0 shift x 5 1.1 weight time 1.0 # out unweighted.txt
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 2 steps, delay = 4 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d
bin: standard
rebalancing time: 0.000 seconds
iteration count = 2
time weight factor: 1
initial/final maximal load/proc = 1200 1200
initial/final imbalance factor = 1.2 1.2
x cuts: 0 0.25 0.5 0.6875 1
y cuts: 0 1
z cuts: 0 1
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 3.427 | 3.713 | 4.19 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1 -6.9453205 0 -5.4456955 -5.6812358
50 0.48653399 -6.1788509 0 -5.4492324 -1.6017778
100 0.53411175 -6.249885 0 -5.4489177 -1.9317606
150 0.53646658 -6.2527206 0 -5.4482219 -1.9689568
200 0.54551611 -6.2656326 0 -5.4475631 -2.0042104
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995
Loop time of 0.73733 on 4 procs for 250 steps with 4000 atoms
Performance: 146474.412 tau/day, 339.061 timesteps/s, 1.356 Matom-step/s
98.5% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.17561 | 0.32661 | 0.58554 | 29.3 | 44.30
Neigh | 0.082409 | 0.10388 | 0.12511 | 5.7 | 14.09
Comm | 0.022216 | 0.30253 | 0.46162 | 31.8 | 41.03
Output | 0.00014228 | 0.00015708 | 0.00017991 | 0.0 | 0.02
Modify | 0.0015077 | 0.001891 | 0.0022549 | 0.7 | 0.26
Other | | 0.002266 | | | 0.31
Nlocal: 1000 ave 1263 max 712 min
Histogram: 1 0 0 0 1 0 1 0 0 1
Nghost: 8711.5 ave 9045 max 8325 min
Histogram: 1 0 0 0 0 1 1 0 0 1
Neighs: 149325 ave 275165 max 77227 min
Histogram: 2 0 0 0 1 0 0 0 0 1
Total # of neighbors = 597299
Ave neighs/atom = 149.32475
Neighbor list builds = 23
Dangerous builds = 0
balance 1.0 shift x 5 1.1 weight time 1.0 # out unweighted.txt
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 3
time weight factor: 1
initial/final maximal load/proc = 0.81065095 0.60308204
initial/final imbalance factor = 1.5281141 1.1368372
x cuts: 0 0.28125 0.46875 0.6171875 1
y cuts: 0 1
z cuts: 0 1
run 250
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 3.788 | 3.909 | 4.194 Mbytes
Step Temp E_pair E_mol TotEng Press
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995
300 0.5477618 -6.2678071 0 -5.4463698 -1.997842
350 0.55600296 -6.2801497 0 -5.4463538 -2.0394056
400 0.53241503 -6.2453665 0 -5.4469436 -1.878594
450 0.5439158 -6.2623 0 -5.4466302 -1.9744161
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015
Loop time of 0.574974 on 4 procs for 250 steps with 4000 atoms
Performance: 187834.605 tau/day, 434.802 timesteps/s, 1.739 Matom-step/s
98.6% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.22579 | 0.30378 | 0.43857 | 15.5 | 52.83
Neigh | 0.065619 | 0.099114 | 0.13721 | 8.3 | 17.24
Comm | 0.044004 | 0.16804 | 0.24011 | 18.1 | 29.23
Output | 0.0001362 | 0.00015185 | 0.00017014 | 0.0 | 0.03
Modify | 0.001083 | 0.0017628 | 0.0025897 | 1.4 | 0.31
Other | | 0.002125 | | | 0.37
Nlocal: 1000 ave 1467 max 599 min
Histogram: 1 0 1 0 0 0 1 0 0 1
Nghost: 8613.75 ave 9708 max 7894 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Neighs: 149356 ave 216864 max 107229 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Total # of neighbors = 597424
Ave neighs/atom = 149.356
Neighbor list builds = 24
Dangerous builds = 0
balance 1.0 shift x 5 1.1 weight time 1.0 # out unweighted.txt
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 3
time weight factor: 1
initial/final maximal load/proc = 0.62725559 0.55791509
initial/final imbalance factor = 1.2472897 1.109407
x cuts: 0 0.3046875 0.4453125 0.59863281 1
y cuts: 0 1
z cuts: 0 1
run 250
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 3.806 | 3.927 | 4.211 Mbytes
Step Temp E_pair E_mol TotEng Press
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015
550 0.53879347 -6.2554274 0 -5.4474393 -1.9756834
600 0.54275982 -6.2616799 0 -5.4477437 -1.9939993
650 0.54526651 -6.265098 0 -5.4474027 -2.0303672
700 0.54369381 -6.263201 0 -5.4478642 -1.9921967
750 0.54452777 -6.2640839 0 -5.4474964 -1.9658675
Loop time of 0.542284 on 4 procs for 250 steps with 4000 atoms
Performance: 199157.784 tau/day, 461.013 timesteps/s, 1.844 Matom-step/s
99.0% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.27261 | 0.30921 | 0.36016 | 5.7 | 57.02
Neigh | 0.067401 | 0.10933 | 0.15726 | 11.2 | 20.16
Comm | 0.098733 | 0.11963 | 0.17136 | 8.7 | 22.06
Output | 0.00013971 | 0.00015475 | 0.00017256 | 0.0 | 0.03
Modify | 0.00098217 | 0.0017424 | 0.0025707 | 1.6 | 0.32
Other | | 0.002205 | | | 0.41
Nlocal: 1000 ave 1553 max 533 min
Histogram: 1 1 0 0 0 0 1 0 0 1
Nghost: 8745 ave 9835 max 8005 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Neighs: 149124 ave 181946 max 128563 min
Histogram: 1 0 2 0 0 0 0 0 0 1
Total # of neighbors = 596497
Ave neighs/atom = 149.12425
Neighbor list builds = 25
Dangerous builds = 0
Total wall time: 0:00:01

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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 2d circle of particles inside a box with LJ walls
variable b index 0
variable x index 50
variable y index 20
variable d index 20
variable v index 5
variable w index 2
units lj
dimension 2
atom_style atomic
boundary f f p
lattice hex 0.85
Lattice spacing in x,y,z = 1.1655347 2.0187654 1.1655347
region box block 0 $x 0 $y -0.5 0.5
region box block 0 50 0 $y -0.5 0.5
region box block 0 50 0 20 -0.5 0.5
create_box 1 box
Created orthogonal box = (0 0 -0.58276737) to (58.276737 40.375308 0.58276737)
2 by 1 by 1 MPI processor grid
region circle sphere $(v_d/2+1) $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 10
create_atoms 1 region circle
Created 361 atoms
using lattice units in orthogonal box = (0 0 -0.58276737) to (58.276737 40.375308 0.58276737)
create_atoms CPU = 0.001 seconds
mass 1 1.0
velocity all create 0.5 87287 loop geom
velocity all set $v $w 0 sum yes
velocity all set 5 $w 0 sum yes
velocity all set 5 2 0 sum yes
pair_style lj/cut 2.5
pair_coeff 1 1 10.0 1.0 2.5
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 all nve
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi $x 1 1 2.5
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi 50 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi $y 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi 20 1 1 2.5
comm_style tiled
fix 10 all balance 50 0.9 rcb
#compute 1 all property/atom proc
#variable p atom c_1%10
#dump 2 all custom 50 tmp.dump id v_p x y z
#dump 3 all image 50 image.*.jpg v_p type # adiam 1.0 view 0 0 zoom 1.8 subbox yes 0.02
#variable colors string # "red green blue yellow white # purple pink orange lime gray"
#dump_modify 3 pad 5 amap 0 10 sa 1 10 ${colors}
thermo_style custom step temp epair press f_10[3] f_10
thermo 100
timestep 0.001
run 10000
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/2d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 3.061 | 3.066 | 3.071 Mbytes
Step Temp E_pair Press f_10[3] f_10
0 25.701528 -29.143179 -1.2407285 2 1.0193906
100 25.842512 -29.285247 0.26525204 1.0193906 1.0027701
200 26.307268 -29.748808 1.8402984 1.0193906 1.0027701
300 26.746717 -30.187064 3.3160966 1.0193906 1.0083102
400 26.877952 -30.317954 5.3251792 1.0304709 1.0027701
500 26.266471 -29.708192 7.9166641 1.0193906 1.0027701
600 26.005495 -29.448014 9.4696736 1.0193906 1.0027701
700 26.321835 -29.763442 8.7529756 1.0304709 1.0027701
800 26.677822 -30.118375 4.840886 1.0193906 1.0027701
900 26.708823 -30.149264 2.8898542 1.0304709 1.0083102
1000 26.373337 -29.814704 1.6422658 1.0193906 1.0027701
1100 25.893585 -29.335362 0.97146057 1.0304709 1.0027701
1200 25.710916 -29.147328 0.80754847 1.0193906 1.0027701
1300 25.76291 -29.201881 0.88170364 1.0304709 1.0027701
1400 26.080337 -29.52159 1.2169926 1.0304709 1.0083102
1500 26.473221 -29.914282 2.3873969 1.0304709 1.0027701
1600 26.738055 -30.178413 4.1057361 1.0304709 1.0027701
1700 26.589182 -30.030057 6.6930875 1.0304709 1.0083102
1800 26.122828 -29.565007 8.897304 1.0304709 1.0027701
1900 26.16025 -29.602425 8.4722268 1.0304709 1.0083102
2000 26.510754 -29.951778 6.6913672 1.0304709 1.0027701
2100 26.732291 -30.172707 4.1328654 1.0193906 1.0083102
2200 26.479423 -29.92049 2.3106996 1.0193906 1.0027701
2300 26.058035 -29.500247 1.2582222 1.0193906 1.0027701
2400 25.732051 -29.175166 0.54231521 1.0304709 1.0083102
2500 25.733864 -29.176523 0.66714018 1.0193906 1.0083102
2600 25.990734 -29.433139 1.2035223 1.0304709 1.0027701
2700 26.383788 -29.82468 2.162696 1.0193906 1.0027701
2800 26.679604 -30.120134 3.6992506 1.0193906 1.0083102
2900 26.600714 -30.041505 5.7237864 1.0304709 1.0027701
3000 26.250766 -29.692594 7.9725502 1.0304709 1.0027701
3100 26.121363 -29.563584 8.9373309 1.0193906 1.0027701
3200 26.477192 -29.918373 7.1092175 1.0193906 1.0027701
3300 26.689536 -30.129977 4.5776139 1.0304709 1.0027701
3400 26.586629 -30.026764 2.7417726 1.0304709 1.0027701
3500 26.220686 -29.659572 1.6498578 1.0304709 1.0027701
3600 25.866231 -29.300814 1.1210814 1.0193906 1.0027701
3700 25.659205 -29.142497 0.88115023 1.0193906 1.0027701
3800 25.68947 -29.145676 1.4621172 1.0304709 1.0027701
3900 25.842813 -29.305171 2.6326543 1.0304709 1.0027701
4000 25.919278 -29.470226 4.5283838 1.0304709 1.0027701
4100 24.903798 -28.514051 8.027658 1.0304709 1.0027701
4200 23.423542 -27.070178 11.619766 1.0304709 1.0083102
4300 22.043492 -25.928725 13.445594 1.0304709 1.0083102
4400 22.154748 -25.970203 12.572064 1.0304709 1.0027701
4500 23.469652 -27.084691 9.6953414 1.0249307 1.0083102
4600 23.645224 -27.247805 6.5087935 1.0249307 1.0027701
4700 23.449403 -26.921826 3.8388213 1.0249307 1.0027701
4800 22.978713 -26.375077 2.2105686 1.0249307 1.0027701
4900 22.547461 -25.880668 1.6287577 1.0138504 1.0083102
5000 22.34432 -25.632296 1.3146711 1.0304709 1.0083102
5100 21.859416 -25.132381 1.4466766 1.0138504 1.0083102
5200 21.854255 -25.131546 1.6303448 1.0138504 1.0027701
5300 21.425171 -24.876722 2.6133634 1.0027701 1.0027701
5400 19.687643 -23.234478 5.4446821 1.0138504 1.0027701
5500 18.102224 -21.98985 7.8007647 1.0138504 1.0027701
5600 17.402396 -21.218157 8.8854058 1.0138504 1.0027701
5700 17.49995 -21.430274 8.8193841 1.0083102 1.0083102
5800 18.01284 -21.490424 8.2097589 1.0083102 1.0083102
5900 17.565819 -21.169657 7.3645475 1.0027701 1.0027701
6000 17.002407 -20.455432 8.0176011 1.0083102 1.0083102
6100 17.527412 -20.899213 6.0280989 1.0027701 1.0027701
6200 17.068329 -20.522823 5.4665249 1.0027701 1.0027701
6300 16.424762 -19.676043 5.1320371 1.0027701 1.0027701
6400 16.186199 -19.427212 4.3019107 1.0027701 1.0027701
6500 15.691963 -18.890331 3.8910044 1.0027701 1.0027701
6600 15.525701 -18.788954 3.5106407 1.0083102 1.0083102
6700 15.641437 -18.744896 2.9139189 1.0027701 1.0083102
6800 15.656899 -18.774587 2.1876061 1.0138504 1.0027701
6900 15.094185 -18.163325 2.3500048 1.0138504 1.0027701
7000 14.991269 -18.044483 2.5047107 1.0249307 1.0027701
7100 14.727757 -17.740443 2.0066013 1.0138504 1.0027701
7200 14.32011 -17.413392 1.5370313 1.0083102 1.0027701
7300 14.153835 -17.154266 2.2823938 1.0138504 1.0027701
7400 13.644555 -16.662895 2.1522299 1.0083102 1.0083102
7500 14.14831 -17.129791 1.5888858 1.0138504 1.0027701
7600 13.625238 -16.591406 1.4121129 1.0138504 1.0027701
7700 13.471137 -16.441146 1.3192621 1.0193906 1.0083102
7800 13.262113 -16.221083 1.516185 1.0083102 1.0027701
7900 13.146175 -16.128839 1.6154309 1.0193906 1.0027701
8000 13.030735 -15.972746 1.5756469 1.0083102 1.0027701
8100 12.742337 -15.790849 1.5660957 1.0138504 1.0027701
8200 13.111618 -16.038849 1.4662027 1.0027701 1.0083102
8300 12.847359 -15.82086 1.9249118 1.0138504 1.0027701
8400 13.136509 -16.066829 1.6715045 1.0138504 1.0027701
8500 12.929796 -15.955279 1.1388437 1.0083102 1.0027701
8600 13.000263 -15.983556 1.5854841 1.0083102 1.0027701
8700 12.524346 -15.443794 1.8406232 1.0083102 1.0027701
8800 12.718004 -15.691429 1.4077935 1.0193906 1.0027701
8900 12.98278 -15.92931 1.5950893 1.0083102 1.0027701
9000 12.444974 -15.506365 1.6085567 1.0249307 1.0027701
9100 12.5341 -15.471682 1.6458191 1.0027701 1.0027701
9200 12.411742 -15.374927 1.7423964 1.0027701 1.0027701
9300 12.613 -15.543866 1.6002664 1.0027701 1.0027701
9400 12.315079 -15.231839 1.7207652 1.0138504 1.0027701
9500 12.49493 -15.406632 1.5330057 1.0138504 1.0027701
9600 12.332602 -15.240282 1.2401605 1.0027701 1.0027701
9700 11.894396 -14.794216 1.4072165 1.0083102 1.0027701
9800 12.140847 -15.113816 1.6174151 1.0027701 1.0083102
9900 12.326936 -15.241095 1.2077951 1.0083102 1.0027701
10000 12.212835 -15.106252 1.2704949 1.0083102 1.0027701
Loop time of 0.177325 on 2 procs for 10000 steps with 361 atoms
Performance: 4872405.392 tau/day, 56393.581 timesteps/s, 20.358 Matom-step/s
96.7% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.082172 | 0.083041 | 0.08391 | 0.3 | 46.83
Neigh | 0.025221 | 0.025625 | 0.026029 | 0.3 | 14.45
Comm | 0.022461 | 0.026564 | 0.030666 | 2.5 | 14.98
Output | 0.00084416 | 0.00098787 | 0.0011316 | 0.0 | 0.56
Modify | 0.024707 | 0.025096 | 0.025485 | 0.2 | 14.15
Other | | 0.01601 | | | 9.03
Nlocal: 180.5 ave 181 max 180 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 38 ave 44 max 32 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 1018.5 ave 1032 max 1005 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 2037
Ave neighs/atom = 5.6426593
Neighbor list builds = 987
Dangerous builds = 0
Total wall time: 0:00:00

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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 2d circle of particles inside a box with LJ walls
variable b index 0
variable x index 50
variable y index 20
variable d index 20
variable v index 5
variable w index 2
units lj
dimension 2
atom_style atomic
boundary f f p
lattice hex 0.85
Lattice spacing in x,y,z = 1.1655347 2.0187654 1.1655347
region box block 0 $x 0 $y -0.5 0.5
region box block 0 50 0 $y -0.5 0.5
region box block 0 50 0 20 -0.5 0.5
create_box 1 box
Created orthogonal box = (0 0 -0.58276737) to (58.276737 40.375308 0.58276737)
2 by 2 by 1 MPI processor grid
region circle sphere $(v_d/2+1) $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 $(v_d/2/sqrt(3.0)+1) 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 $(v_d/2)
region circle sphere 11 6.7735026918962581988 0.0 10
create_atoms 1 region circle
Created 361 atoms
using lattice units in orthogonal box = (0 0 -0.58276737) to (58.276737 40.375308 0.58276737)
create_atoms CPU = 0.000 seconds
mass 1 1.0
velocity all create 0.5 87287 loop geom
velocity all set $v $w 0 sum yes
velocity all set 5 $w 0 sum yes
velocity all set 5 2 0 sum yes
pair_style lj/cut 2.5
pair_coeff 1 1 10.0 1.0 2.5
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 all nve
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi $x 1 1 2.5
fix 2 all wall/lj93 xlo 0.0 1 1 2.5 xhi 50 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi $y 1 1 2.5
fix 3 all wall/lj93 ylo 0.0 1 1 2.5 yhi 20 1 1 2.5
comm_style tiled
fix 10 all balance 50 0.9 rcb
#compute 1 all property/atom proc
#variable p atom c_1%10
#dump 2 all custom 50 tmp.dump id v_p x y z
#dump 3 all image 50 image.*.jpg v_p type # adiam 1.0 view 0 0 zoom 1.8 subbox yes 0.02
#variable colors string # "red green blue yellow white # purple pink orange lime gray"
#dump_modify 3 pad 5 amap 0 10 sa 1 10 ${colors}
thermo_style custom step temp epair press f_10[3] f_10
thermo 100
timestep 0.001
run 10000
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 42 29 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/2d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 3.042 | 3.048 | 3.06 Mbytes
Step Temp E_pair Press f_10[3] f_10
0 25.701528 -29.143179 -1.2407285 3.2354571 1.0526316
100 25.842512 -29.285247 0.26525204 1.0526316 1.0083102
200 26.307268 -29.748808 1.8402984 1.0526316 1.0083102
300 26.746717 -30.187064 3.3160966 1.0526316 1.0083102
400 26.877952 -30.317954 5.3251792 1.0526316 1.0083102
500 26.266471 -29.708192 7.9166641 1.0526316 1.0304709
600 26.005495 -29.448014 9.4696736 1.0526316 1.0083102
700 26.321835 -29.763442 8.7529756 1.0526316 1.0193906
800 26.677822 -30.118375 4.840886 1.0526316 1.0083102
900 26.708823 -30.149264 2.8898542 1.0526316 1.0193906
1000 26.373337 -29.814704 1.6422658 1.0526316 1.0083102
1100 25.893585 -29.335362 0.97146057 1.0526316 1.0083102
1200 25.710916 -29.147328 0.80754847 1.0526316 1.0193906
1300 25.76291 -29.201881 0.88170364 1.0858726 1.0193906
1400 26.080337 -29.52159 1.2169926 1.0526316 1.0083102
1500 26.473221 -29.914282 2.3873969 1.0969529 1.0304709
1600 26.738055 -30.178413 4.1057361 1.0526316 1.0083102
1700 26.589182 -30.030057 6.6930875 1.0526316 1.0193906
1800 26.122828 -29.565007 8.897304 1.0526316 1.0083102
1900 26.16025 -29.602425 8.4722268 1.0969529 1.0083102
2000 26.510754 -29.951778 6.6913672 1.0969529 1.0083102
2100 26.732291 -30.172707 4.1328654 1.0526316 1.0304709
2200 26.479423 -29.92049 2.3106996 1.0526316 1.0083102
2300 26.058035 -29.500247 1.2582222 1.0526316 1.0193906
2400 25.732051 -29.175166 0.54231521 1.0526316 1.0304709
2500 25.733864 -29.176523 0.66714018 1.0526316 1.0083102
2600 25.990734 -29.433139 1.2035223 1.0526316 1.0083102
2700 26.383788 -29.82468 2.162696 1.0526316 1.0083102
2800 26.679604 -30.120134 3.6992506 1.0526316 1.0304709
2900 26.600714 -30.041505 5.7237864 1.0526316 1.0083102
3000 26.250766 -29.692594 7.9725502 1.0526316 1.0083102
3100 26.121363 -29.563584 8.9373309 1.0526316 1.0083102
3200 26.477192 -29.918373 7.1092175 1.0526316 1.0083102
3300 26.689536 -30.129977 4.5776139 1.0969529 1.0304709
3400 26.586629 -30.026764 2.7417726 1.0969529 1.0083102
3500 26.220686 -29.659572 1.6498578 1.0969529 1.0083102
3600 25.866231 -29.300814 1.1210814 1.0526316 1.0304709
3700 25.659205 -29.142497 0.88115023 1.0526316 1.0083102
3800 25.68947 -29.145676 1.4621172 1.0969529 1.0304709
3900 25.842813 -29.305171 2.6326543 1.0969529 1.0083102
4000 25.919278 -29.470226 4.5283838 1.0969529 1.0083102
4100 24.903798 -28.514051 8.027658 1.0526316 1.0083102
4200 23.423542 -27.070178 11.619766 1.0858726 1.0193906
4300 22.043492 -25.928725 13.445594 1.0858726 1.0083102
4400 22.154748 -25.970203 12.572064 1.0415512 1.0083102
4500 23.469652 -27.084691 9.6953414 1.0415512 1.0193906
4600 23.645224 -27.247805 6.5087935 1.0526316 1.0083102
4700 23.449403 -26.921826 3.8388213 1.0415512 1.0193906
4800 22.978713 -26.375077 2.2105686 1.0304709 1.0193906
4900 22.547461 -25.880668 1.6287577 1.0415512 1.0193906
5000 22.34432 -25.632296 1.3146711 1.0415512 1.0083102
5100 21.859416 -25.132381 1.4466766 1.0193906 1.0304709
5200 21.854255 -25.131546 1.6303448 1.0193906 1.0083102
5300 21.425171 -24.876722 2.6133634 1.0193906 1.0193906
5400 19.687643 -23.234478 5.4446821 1.0193906 1.0193906
5500 18.102224 -21.98985 7.8007647 1.0193906 1.0083102
5600 17.402396 -21.218157 8.8854058 1.0193906 1.0083102
5700 17.49995 -21.430274 8.8193838 1.0193906 1.0083102
5800 18.012839 -21.490423 8.2097596 1.0083102 1.0083102
5900 17.565818 -21.169657 7.3645466 1.0304709 1.0083102
6000 17.00239 -20.455416 8.0176192 1.0304709 1.0193906
6100 17.527455 -20.899259 6.0280748 1.0193906 1.0083102
6200 17.068393 -20.522944 5.4664014 1.0083102 1.0083102
6300 16.424576 -19.675908 5.13206 1.0083102 1.0193906
6400 16.18682 -19.428005 4.2994462 1.0083102 1.0083102
6500 15.692498 -18.890361 3.8912337 1.0193906 1.0083102
6600 15.543565 -18.808306 3.4752832 1.0637119 1.0083102
6700 15.657432 -18.758221 2.9143187 1.0415512 1.0083102
6800 15.730059 -18.834511 2.1741976 1.0193906 1.0083102
6900 14.954711 -18.033715 2.4588698 1.0415512 1.0083102
7000 15.332203 -18.367577 2.1869698 1.0415512 1.0193906
7100 14.54279 -17.554326 2.1617263 1.0304709 1.0193906
7200 14.485747 -17.494113 1.362177 1.0193906 1.0193906
7300 14.266906 -17.269915 1.6961885 1.0193906 1.0083102
7400 13.635947 -16.654801 2.1133026 1.0193906 1.0193906
7500 14.029933 -17.022405 1.6716246 1.0193906 1.0083102
7600 14.119782 -17.107927 1.516669 1.0304709 1.0083102
7700 14.0984 -17.079131 1.6226374 1.0193906 1.0193906
7800 13.895083 -16.873848 1.6965546 1.0083102 1.0193906
7900 13.55953 -16.536866 1.9893454 1.0193906 1.0083102
8000 13.649101 -16.633977 1.4873767 1.0526316 1.0083102
8100 13.534848 -16.5239 1.5030254 1.0304709 1.0083102
8200 13.039311 -16.021896 1.9003186 1.0083102 1.0083102
8300 13.212394 -16.15257 1.6325076 1.0304709 1.0083102
8400 12.719582 -15.761108 1.7061831 1.0193906 1.0193906
8500 12.954096 -15.962673 1.2631089 1.0193906 1.0193906
8600 12.583443 -15.65611 1.3899368 1.0083102 1.0083102
8700 12.678764 -15.710348 1.0530056 1.0304709 1.0083102
8800 12.740618 -15.660427 1.5864512 1.0193906 1.0083102
8900 12.249135 -15.232792 1.624414 1.0304709 1.0193906
9000 12.500318 -15.426035 1.1440223 1.0193906 1.0083102
9100 12.322373 -15.221333 1.5141173 1.0193906 1.0083102
9200 12.259837 -15.16384 1.4848297 1.0193906 1.0083102
9300 11.928997 -14.955513 1.3933259 1.0193906 1.0083102
9400 12.08076 -14.972026 1.6436388 1.0415512 1.0083102
9500 12.059618 -14.952921 1.6617096 1.0083102 1.0304709
9600 11.840796 -14.759488 1.6735572 1.0304709 1.0083102
9700 11.781829 -14.678411 1.6633417 1.0083102 1.0083102
9800 11.947375 -14.931443 1.6695696 1.0083102 1.0193906
9900 12.031986 -14.904841 0.97065132 1.0193906 1.0083102
10000 11.564772 -14.48025 1.627038 1.0304709 1.0083102
Loop time of 0.161375 on 4 procs for 10000 steps with 361 atoms
Performance: 5353997.284 tau/day, 61967.561 timesteps/s, 22.370 Matom-step/s
86.0% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.04238 | 0.045072 | 0.04897 | 1.3 | 27.93
Neigh | 0.01265 | 0.013679 | 0.014709 | 0.6 | 8.48
Comm | 0.043614 | 0.054438 | 0.062719 | 3.0 | 33.73
Output | 0.00097457 | 0.0010711 | 0.0012879 | 0.4 | 0.66
Modify | 0.022286 | 0.022773 | 0.023314 | 0.3 | 14.11
Other | | 0.02434 | | | 15.08
Nlocal: 90.25 ave 91 max 89 min
Histogram: 1 0 0 0 0 1 0 0 0 2
Nghost: 42.75 ave 70 max 26 min
Histogram: 2 0 0 0 1 0 0 0 0 1
Neighs: 492.5 ave 588 max 427 min
Histogram: 1 0 0 2 0 0 0 0 0 1
Total # of neighbors = 1970
Ave neighs/atom = 5.4570637
Neighbor list builds = 1087
Dangerous builds = 0
Total wall time: 0:00:00

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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
variable factor index 1.0
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6795962 1.6795962 1.6795962
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
using lattice units in orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
create_atoms CPU = 0.001 seconds
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
Setting atom values ...
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow ${factor} # out weighted.txt
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow 1.0
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 2 steps, delay = 4 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d
bin: standard
rebalancing time: 0.001 seconds
iteration count = 1
group weights: fast=1 slow=1
initial/final maximal load/proc = 2000 2000
initial/final imbalance factor = 1 1
x cuts: 0 0.5 1
y cuts: 0 1
z cuts: 0 1
fix 0 all balance 10 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow ${factor}
fix 0 all balance 10 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow 1.0
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 4.434 | 4.625 | 4.816 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137
50 0.49578514 -6.1929216 0 -5.4494298 -1.6668039 4738.2137
100 0.53275389 -6.2475932 0 -5.4486622 -1.9063885 4738.2137
150 0.53316457 -6.2483202 0 -5.4487733 -1.9476162 4738.2137
200 0.536665 -6.2530113 0 -5.448215 -1.933468 4738.2137
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847 4738.2137
Loop time of 0.925475 on 2 procs for 250 steps with 4000 atoms
Performance: 116696.804 tau/day, 270.131 timesteps/s, 1.081 Matom-step/s
99.3% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.49759 | 0.59065 | 0.68371 | 12.1 | 63.82
Neigh | 0.20391 | 0.21106 | 0.21821 | 1.6 | 22.81
Comm | 0.016226 | 0.11642 | 0.21661 | 29.4 | 12.58
Output | 0.00014767 | 0.00016136 | 0.00017504 | 0.0 | 0.02
Modify | 0.0049562 | 0.0049875 | 0.0050188 | 0.0 | 0.54
Other | | 0.002194 | | | 0.24
Nlocal: 2000 ave 2000 max 2000 min
Histogram: 2 0 0 0 0 0 0 0 0 0
Nghost: 10441 ave 10457 max 10425 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 298332 ave 349156 max 247508 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 596664
Ave neighs/atom = 149.166
Neighbor list builds = 25
Dangerous builds = 0
Total wall time: 0:00:00

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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
variable factor index 1.0
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6795962 1.6795962 1.6795962
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
using lattice units in orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
create_atoms CPU = 0.000 seconds
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
Setting atom values ...
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow ${factor} # out weighted.txt
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow 1.0
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 2 steps, delay = 4 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d
bin: standard
rebalancing time: 0.000 seconds
iteration count = 2
group weights: fast=1 slow=1
initial/final maximal load/proc = 1200 1200
initial/final imbalance factor = 1.2 1.2
x cuts: 0 0.25 0.5 0.6875 1
y cuts: 0 1
z cuts: 0 1
fix 0 all balance 10 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow ${factor}
fix 0 all balance 10 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow 1.0
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 3.567 | 3.949 | 4.33 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137
50 0.48653399 -6.1788509 0 -5.4492324 -1.6017778 4738.2137
100 0.53411175 -6.249885 0 -5.4489177 -1.9317606 4738.2137
150 0.53646658 -6.2527206 0 -5.4482219 -1.9689568 4738.2137
200 0.54551611 -6.2656326 0 -5.4475631 -2.0042104 4738.2137
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995 4738.2137
Loop time of 0.805708 on 4 procs for 250 steps with 4000 atoms
Performance: 134043.547 tau/day, 310.286 timesteps/s, 1.241 Matom-step/s
98.8% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.14028 | 0.36957 | 0.61955 | 31.5 | 45.87
Neigh | 0.11839 | 0.13333 | 0.14552 | 3.2 | 16.55
Comm | 0.034173 | 0.29629 | 0.5404 | 37.3 | 36.77
Output | 0.00016223 | 0.00017113 | 0.00019287 | 0.0 | 0.02
Modify | 0.0041243 | 0.0042239 | 0.0043322 | 0.1 | 0.52
Other | | 0.002124 | | | 0.26
Nlocal: 1000 ave 1001 max 999 min
Histogram: 1 0 0 0 0 2 0 0 0 1
Nghost: 8727 ave 8761 max 8674 min
Histogram: 1 0 0 0 0 0 1 1 0 1
Neighs: 149349 ave 260848 max 51191 min
Histogram: 1 1 0 0 0 0 1 0 0 1
Total # of neighbors = 597396
Ave neighs/atom = 149.349
Neighbor list builds = 25
Dangerous builds = 0
Total wall time: 0:00:00

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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
variable factor index 1.0
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6795962 1.6795962 1.6795962
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
using lattice units in orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
create_atoms CPU = 0.001 seconds
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
Setting atom values ...
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
balance 1.0 shift x 5 1.1 # out unweighted.txt
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 2 steps, delay = 4 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d
bin: standard
rebalancing time: 0.001 seconds
iteration count = 1
initial/final maximal load/proc = 2000 2000
initial/final imbalance factor = 1 1
x cuts: 0 0.5 1
y cuts: 0 1
z cuts: 0 1
balance 1.0 x uniform
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 0
initial/final maximal load/proc = 2000 2000
initial/final imbalance factor = 1 1
x cuts: 0 0.5 1
y cuts: 0 1
z cuts: 0 1
variable weight atom (type==1)*1.0+(type==2)*v_factor
balance 1.0 shift x 5 1.1 weight var weight # out weighted_var.txt
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 1
weight variable: weight
initial/final maximal load/proc = 2000 2000
initial/final imbalance factor = 1 1
x cuts: 0 0.5 1
y cuts: 0 1
z cuts: 0 1
balance 1.0 x uniform
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 0
initial/final maximal load/proc = 2000 2000
initial/final imbalance factor = 1 1
x cuts: 0 0.5 1
y cuts: 0 1
z cuts: 0 1
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow ${factor} # out weighted_group.txt
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow 1.0
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 1
group weights: fast=1 slow=1
initial/final maximal load/proc = 2000 2000
initial/final imbalance factor = 1 1
x cuts: 0 0.5 1
y cuts: 0 1
z cuts: 0 1
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 4.294 | 4.485 | 4.675 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1 -6.9453205 0 -5.4456955 -5.6812358
50 0.49578514 -6.1929216 0 -5.4494298 -1.6668039
100 0.53275389 -6.2475932 0 -5.4486622 -1.9063885
150 0.53316457 -6.2483202 0 -5.4487733 -1.9476162
200 0.536665 -6.2530113 0 -5.448215 -1.933468
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847
Loop time of 1.07049 on 2 procs for 250 steps with 4000 atoms
Performance: 100888.200 tau/day, 233.537 timesteps/s, 934.150 katom-step/s
99.4% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.55726 | 0.68002 | 0.80278 | 14.9 | 63.52
Neigh | 0.21838 | 0.23004 | 0.2417 | 2.4 | 21.49
Comm | 0.01941 | 0.15387 | 0.28832 | 34.3 | 14.37
Output | 0.00017519 | 0.00021161 | 0.00024802 | 0.0 | 0.02
Modify | 0.0036966 | 0.0037375 | 0.0037784 | 0.1 | 0.35
Other | | 0.002623 | | | 0.25
Nlocal: 2000 ave 2051 max 1949 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10443 ave 10506 max 10380 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 298332 ave 363449 max 233215 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 596664
Ave neighs/atom = 149.166
Neighbor list builds = 24
Dangerous builds = 0
Total wall time: 0:00:01

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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
variable factor index 1.0
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6795962 1.6795962 1.6795962
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
using lattice units in orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
create_atoms CPU = 0.000 seconds
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
Setting atom values ...
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
balance 1.0 shift x 5 1.1 # out unweighted.txt
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 2 steps, delay = 4 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d
bin: standard
rebalancing time: 0.000 seconds
iteration count = 2
initial/final maximal load/proc = 1200 1200
initial/final imbalance factor = 1.2 1.2
x cuts: 0 0.25 0.5 0.6875 1
y cuts: 0 1
z cuts: 0 1
balance 1.0 x uniform
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 0
initial/final maximal load/proc = 1200 1200
initial/final imbalance factor = 1.2 1.2
x cuts: 0 0.25 0.5 0.75 1
y cuts: 0 1
z cuts: 0 1
variable weight atom (type==1)*1.0+(type==2)*v_factor
balance 1.0 shift x 5 1.1 weight var weight # out weighted_var.txt
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 2
weight variable: weight
initial/final maximal load/proc = 1200 1200
initial/final imbalance factor = 1.2 1.2
x cuts: 0 0.25 0.5 0.6875 1
y cuts: 0 1
z cuts: 0 1
balance 1.0 x uniform
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 0
initial/final maximal load/proc = 1200 1200
initial/final imbalance factor = 1.2 1.2
x cuts: 0 0.25 0.5 0.75 1
y cuts: 0 1
z cuts: 0 1
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow ${factor} # out weighted_group.txt
balance 1.0 shift x 5 1.1 weight group 2 fast 1.0 slow 1.0
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 2
group weights: fast=1 slow=1
initial/final maximal load/proc = 1200 1200
initial/final imbalance factor = 1.2 1.2
x cuts: 0 0.25 0.5 0.6875 1
y cuts: 0 1
z cuts: 0 1
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 3.427 | 3.713 | 4.19 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1 -6.9453205 0 -5.4456955 -5.6812358
50 0.48653399 -6.1788509 0 -5.4492324 -1.6017778
100 0.53411175 -6.249885 0 -5.4489177 -1.9317606
150 0.53646658 -6.2527206 0 -5.4482219 -1.9689568
200 0.54551611 -6.2656326 0 -5.4475631 -2.0042104
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995
Loop time of 0.927365 on 4 procs for 250 steps with 4000 atoms
Performance: 116459.057 tau/day, 269.581 timesteps/s, 1.078 Matom-step/s
98.4% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.24625 | 0.41858 | 0.73449 | 30.7 | 45.14
Neigh | 0.10809 | 0.14016 | 0.16724 | 6.7 | 15.11
Comm | 0.025406 | 0.36335 | 0.55279 | 34.1 | 39.18
Output | 0.00017675 | 0.00019894 | 0.00022697 | 0.0 | 0.02
Modify | 0.0016956 | 0.0023554 | 0.0031138 | 1.1 | 0.25
Other | | 0.002723 | | | 0.29
Nlocal: 1000 ave 1263 max 712 min
Histogram: 1 0 0 0 1 0 1 0 0 1
Nghost: 8711.5 ave 9045 max 8325 min
Histogram: 1 0 0 0 0 1 1 0 0 1
Neighs: 149325 ave 275165 max 77227 min
Histogram: 2 0 0 0 1 0 0 0 0 1
Total # of neighbors = 597299
Ave neighs/atom = 149.32475
Neighbor list builds = 23
Dangerous builds = 0
Total wall time: 0:00:00

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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
#atom_style charge
processors * 1 1
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6795962 1.6795962 1.6795962
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
using lattice units in orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
create_atoms CPU = 0.001 seconds
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
Setting atom values ...
1400 settings made for type
#set type 1:2 charge 0.0
velocity all create 1.0 87287
pair_style lj/long/coul/long long off 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
kspace_style pppm/disp 1.0e-4
kspace_modify gewald/disp 0.1
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
fix 0 all balance 20 1.0 shift x 5 1.0 weight group 2 fast 1.0 slow 2.0 weight time 0.66
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 500
PPPMDisp initialization ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Dispersion G vector (1/distance)= 0.1
Dispersion grid = 2 2 2
Dispersion stencil order = 5
Dispersion estimated absolute RMS force accuracy = 1.0125082
Dispersion estimated relative force accuracy = 1.0125082
using double precision FFTW3
3d grid and FFT values/proc = 294 4
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 2 steps, delay = 4 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/long/coul/long, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 4.847 | 5.016 | 5.184 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 52.148338 0 53.647963 94.09503 4738.2137
50 17.747599 42.836975 0 69.451719 143.44398 4738.2137
100 9.0390947 49.78615 0 63.341402 117.79296 4738.2137
150 13.456072 47.810527 0 67.989589 140.52068 4738.2137
200 11.358932 52.542448 0 69.576586 142.87196 4738.2137
250 13.204593 48.601438 0 68.403376 134.97484 4738.2137
300 12.062011 50.642183 0 68.730677 133.27085 4738.2137
350 14.102561 50.203717 0 71.35227 143.56297 4738.2137
400 12.040871 50.230441 0 68.287232 132.11937 4738.2137
450 13.381968 51.111601 0 71.179535 144.53303 4738.2137
500 12.899157 50.248902 0 69.5928 136.59639 4738.2137
Loop time of 3.74212 on 2 procs for 500 steps with 4000 atoms
Performance: 57721.346 tau/day, 133.614 timesteps/s, 534.457 katom-step/s
99.4% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.6146 | 1.7284 | 1.8423 | 8.7 | 46.19
Kspace | 0.56305 | 0.61569 | 0.66833 | 6.7 | 16.45
Neigh | 1.2338 | 1.3029 | 1.372 | 6.1 | 34.82
Comm | 0.059727 | 0.067883 | 0.076039 | 3.1 | 1.81
Output | 0.00031007 | 0.00033894 | 0.0003678 | 0.0 | 0.01
Modify | 0.020232 | 0.020653 | 0.021073 | 0.3 | 0.55
Other | | 0.006259 | | | 0.17
Nlocal: 2000 ave 2314 max 1686 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 9546 ave 9663 max 9429 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 254558 ave 277593 max 231523 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 509116
Ave neighs/atom = 127.279
Neighbor list builds = 124
Dangerous builds = 97
Total wall time: 0:00:03

120
examples/balance/log.3Nov23.balance.kspace.g++.4 Normal file
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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
#atom_style charge
processors * 1 1
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6795962 1.6795962 1.6795962
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
using lattice units in orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
create_atoms CPU = 0.000 seconds
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
Setting atom values ...
1400 settings made for type
#set type 1:2 charge 0.0
velocity all create 1.0 87287
pair_style lj/long/coul/long long off 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
kspace_style pppm/disp 1.0e-4
kspace_modify gewald/disp 0.1
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
group fast type 1
2600 atoms in group fast
group slow type 2
1400 atoms in group slow
fix 0 all balance 20 1.0 shift x 5 1.0 weight group 2 fast 1.0 slow 2.0 weight time 0.66
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 500
PPPMDisp initialization ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Dispersion G vector (1/distance)= 0.1
Dispersion grid = 2 2 2
Dispersion stencil order = 5
Dispersion estimated absolute RMS force accuracy = 1.0125082
Dispersion estimated relative force accuracy = 1.0125082
using double precision FFTW3
3d grid and FFT values/proc = 294 4
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 2 steps, delay = 4 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/long/coul/long, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 4.293 | 4.424 | 4.655 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 52.148338 0 53.647963 94.09503 4738.2137
50 17.850656 42.620113 0 69.389403 142.80556 4738.2137
100 9.4607189 49.700118 0 63.887649 117.51739 4738.2137
150 13.992056 47.731988 0 68.714825 140.56926 4738.2137
200 11.617635 52.509395 0 69.931491 142.6933 4738.2137
250 13.536262 48.330072 0 68.629389 133.91619 4738.2137
300 12.620066 50.328874 0 69.25424 132.46908 4738.2137
350 14.514428 50.102816 0 71.869016 143.37224 4738.2137
400 12.348652 49.810405 0 68.328752 130.3274 4738.2137
450 13.800185 50.987433 0 71.682536 144.38181 4738.2137
500 13.255019 50.64398 0 70.521538 138.24387 4738.2137
Loop time of 3.81152 on 4 procs for 500 steps with 4000 atoms
Performance: 56670.269 tau/day, 131.181 timesteps/s, 524.725 katom-step/s
98.4% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.55832 | 1.1319 | 1.6826 | 48.2 | 29.70
Kspace | 0.40554 | 1.6212 | 2.7162 | 80.5 | 42.53
Neigh | 0.25726 | 0.85075 | 1.6088 | 63.7 | 22.32
Comm | 0.079895 | 0.17554 | 0.24986 | 17.5 | 4.61
Output | 0.00035922 | 0.00041828 | 0.00044719 | 0.0 | 0.01
Modify | 0.02199 | 0.024073 | 0.026861 | 1.3 | 0.63
Other | | 0.007582 | | | 0.20
Nlocal: 1000 ave 1995 max 227 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Nghost: 7601 ave 9326 max 5900 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Neighs: 127284 ave 212972 max 45553 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 509136
Ave neighs/atom = 127.284
Neighbor list builds = 124
Dangerous builds = 97
Total wall time: 0:00:03

235
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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
processors * 1 1
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6795962 1.6795962 1.6795962
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
using lattice units in orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
create_atoms CPU = 0.001 seconds
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
Setting atom values ...
1400 settings made for type
velocity all create 1.0 87287
pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0 2.5
pair_coeff * 2 1.0 1.0 5.0
neighbor 0.3 bin
neigh_modify every 2 delay 4 check yes
fix p all property/atom d_WEIGHT
fix 0 all balance 50 1.0 shift x 5 1.0 weight neigh 0.8 weight store WEIGHT
compute p all property/atom d_WEIGHT
variable maximb equal f_0[1]
variable iter equal f_0[2]
variable prev equal f_0[3]
variable final equal f_0
#fix 3 all print 50 "${iter} ${prev} ${final} ${maximb}"
fix 1 all nve
#dump id all atom 50 dump.melt
#dump id all custom 50 dump.lammpstrj id type x y z c_p
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mp4 c_p type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3 amap 0.0 2.0 cf 0.1 3 min blue 0.5 green max red
thermo 50
run 500
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 2 steps, delay = 4 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 5.3
ghost atom cutoff = 5.3
binsize = 2.65, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d
bin: standard
WARNING: Balance weight neigh skipped b/c no suitable list found (src/imbalance_neigh.cpp:65)
Per MPI rank memory allocation (min/avg/max) = 4.559 | 4.75 | 4.941 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137
50 0.49578514 -6.1929216 0 -5.4494298 -1.6668039 4738.2137
100 0.53275389 -6.2475932 0 -5.4486622 -1.9063885 4738.2137
150 0.53316457 -6.2483202 0 -5.4487733 -1.9476162 4738.2137
200 0.536665 -6.2530113 0 -5.448215 -1.933468 4738.2137
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847 4738.2137
300 0.55111476 -6.2727642 0 -5.4462987 -2.0384873 4738.2137
350 0.55211503 -6.274054 0 -5.4460885 -2.0116976 4738.2137
400 0.54638463 -6.2661715 0 -5.4467995 -1.992248 4738.2137
450 0.55885307 -6.2852263 0 -5.4471563 -2.0669747 4738.2137
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802 4738.2137
Loop time of 2.06018 on 2 procs for 500 steps with 4000 atoms
Performance: 104845.132 tau/day, 242.697 timesteps/s, 970.788 katom-step/s
99.6% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.2219 | 1.3634 | 1.505 | 12.1 | 66.18
Neigh | 0.49695 | 0.4983 | 0.49965 | 0.2 | 24.19
Comm | 0.041095 | 0.18389 | 0.32669 | 33.3 | 8.93
Output | 0.00032321 | 0.00035487 | 0.00038653 | 0.0 | 0.02
Modify | 0.0084967 | 0.0087312 | 0.0089658 | 0.3 | 0.42
Other | | 0.005469 | | | 0.27
Nlocal: 2000 ave 2056 max 1944 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10457.5 ave 10508 max 10407 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 298070 ave 333007 max 263132 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 596139
Ave neighs/atom = 149.03475
Neighbor list builds = 51
Dangerous builds = 0
run 500
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 4.571 | 4.758 | 4.945 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802 4738.2137
550 0.54137926 -6.2592773 0 -5.4474115 -1.9770236 4738.2137
600 0.54022886 -6.2573307 0 -5.44719 -1.9619637 4738.2137
650 0.54709009 -6.2678862 0 -5.4474562 -1.9958342 4738.2137
700 0.54590044 -6.2656903 0 -5.4470444 -1.9957108 4738.2137
750 0.55098488 -6.2724831 0 -5.4462124 -2.0287523 4738.2137
800 0.5520987 -6.2739184 0 -5.4459774 -2.0084991 4738.2137
850 0.54963958 -6.2702473 0 -5.445994 -1.9740031 4738.2137
900 0.54390586 -6.2615476 0 -5.4458927 -1.9400871 4738.2137
950 0.54741732 -6.2665755 0 -5.4456548 -1.9466417 4738.2137
1000 0.54200867 -6.2591246 0 -5.4463148 -1.8881624 4738.2137
Loop time of 2.04735 on 2 procs for 500 steps with 4000 atoms
Performance: 105502.372 tau/day, 244.218 timesteps/s, 976.874 katom-step/s
99.5% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.2217 | 1.3603 | 1.4989 | 11.9 | 66.44
Neigh | 0.49705 | 0.49793 | 0.49882 | 0.1 | 24.32
Comm | 0.036988 | 0.17466 | 0.31233 | 32.9 | 8.53
Output | 0.00031921 | 0.00035316 | 0.00038711 | 0.0 | 0.02
Modify | 0.0084606 | 0.0086808 | 0.0089009 | 0.2 | 0.42
Other | | 0.005397 | | | 0.26
Nlocal: 2000 ave 2049 max 1951 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10389 ave 10436 max 10342 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 300836 ave 335987 max 265684 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 601671
Ave neighs/atom = 150.41775
Neighbor list builds = 51
Dangerous builds = 0
run 500
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 4.571 | 4.758 | 4.945 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1000 0.54200867 -6.2591246 0 -5.4463148 -1.8881624 4738.2137
1050 0.54633412 -6.2656384 0 -5.4463421 -1.9012895 4738.2137
1100 0.54325667 -6.2612166 0 -5.4465353 -1.8870463 4738.2137
1150 0.55057583 -6.2719187 0 -5.4462614 -1.9575881 4738.2137
1200 0.53728175 -6.251744 0 -5.4460228 -1.8124097 4738.2137
1250 0.54077561 -6.2567544 0 -5.4457938 -1.8418134 4738.2137
1300 0.54430333 -6.260995 0 -5.4447442 -1.856351 4738.2137
1350 0.55097839 -6.2715909 0 -5.4453299 -1.9014337 4738.2137
1400 0.53858139 -6.2526781 0 -5.445008 -1.7965773 4738.2137
1450 0.5421844 -6.2574683 0 -5.444395 -1.7901189 4738.2137
1500 0.54200617 -6.2571433 0 -5.4443373 -1.8000344 4738.2137
Loop time of 2.06014 on 2 procs for 500 steps with 4000 atoms
Performance: 104847.028 tau/day, 242.701 timesteps/s, 970.806 katom-step/s
99.3% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.2169 | 1.3632 | 1.5094 | 12.5 | 66.17
Neigh | 0.49211 | 0.49613 | 0.50014 | 0.6 | 24.08
Comm | 0.03623 | 0.18643 | 0.33662 | 34.8 | 9.05
Output | 0.00030992 | 0.00034406 | 0.00037821 | 0.0 | 0.02
Modify | 0.0085349 | 0.0086823 | 0.0088298 | 0.2 | 0.42
Other | | 0.005411 | | | 0.26
Nlocal: 2000 ave 2034 max 1966 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10386 ave 10936 max 9836 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 302958 ave 337188 max 268729 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 605917
Ave neighs/atom = 151.47925
Neighbor list builds = 51
Dangerous builds = 0
run 500
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 4.571 | 4.758 | 4.945 Mbytes
Step Temp E_pair E_mol TotEng Press Volume
1500 0.54200617 -6.2571433 0 -5.4443373 -1.8000344 4738.2137
1550 0.53713593 -6.2504069 0 -5.4449044 -1.764709 4738.2137
1600 0.54679556 -6.2646482 0 -5.4446599 -1.8115775 4738.2137
1650 0.53806577 -6.2519006 0 -5.4450037 -1.7409142 4738.2137
1700 0.5347951 -6.2468962 0 -5.4449041 -1.7162331 4738.2137
1750 0.53714568 -6.2506577 0 -5.4451406 -1.7340499 4738.2137
1800 0.52749839 -6.2358664 0 -5.4448167 -1.6874961 4738.2137
1850 0.54585956 -6.2629394 0 -5.4443547 -1.7758764 4738.2137
1900 0.53010831 -6.2387561 0 -5.4437925 -1.6381825 4738.2137
1950 0.54288557 -6.2583073 0 -5.4441826 -1.7368524 4738.2137
2000 0.52765923 -6.2348572 0 -5.4435663 -1.5588839 4738.2137
Loop time of 2.11629 on 2 procs for 500 steps with 4000 atoms
Performance: 102065.604 tau/day, 236.263 timesteps/s, 945.052 katom-step/s
99.5% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.2677 | 1.4112 | 1.5546 | 12.1 | 66.68
Neigh | 0.50555 | 0.50815 | 0.51076 | 0.4 | 24.01
Comm | 0.036017 | 0.18186 | 0.3277 | 34.2 | 8.59
Output | 0.00034146 | 0.00036996 | 0.00039846 | 0.0 | 0.02
Modify | 0.0089519 | 0.0090956 | 0.0092392 | 0.2 | 0.43
Other | | 0.005624 | | | 0.27
Nlocal: 2000 ave 2031 max 1969 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10334 ave 10921 max 9747 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 303988 ave 338808 max 269168 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 607976
Ave neighs/atom = 151.994
Neighbor list builds = 51
Dangerous builds = 0
Total wall time: 0:00:08

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