Files
lammps/examples/wall/log.9Jan20.wall.specular.g++.4
2020-01-14 13:20:35 -07:00

93 lines
3.0 KiB
Groff

LAMMPS (09 Jan 2020)
units metal
dimension 3
boundary p f p
atom_style atomic
neighbor 2.0 bin
# create geometry
lattice sc 10
Lattice spacing in x,y,z = 10 10 10
region box block 0 10 0 10 0 10
create_box 1 box
Created orthogonal box = (0 0 0) to (100 100 100)
1 by 2 by 2 MPI processor grid
create_atoms 1 box
Created 1000 atoms
create_atoms CPU = 0 secs
mass 1 39.95
# LJ potentials
pair_style lj/cut 8.5
pair_coeff * * 0.01 3.4 8.5
# initial velocities
velocity all create 300 482748
fix 1 all nve
# specular reflection
fix ywalls all wall/reflect ylo EDGE yhi EDGE
# run
thermo 1000
run 10000
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 10.5
ghost atom cutoff = 10.5
binsize = 5.25, bins = 20 20 20
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) = 3.085 | 3.09 | 3.096 Mbytes
Step Temp E_pair E_mol TotEng Press
0 300 0 0 38.739265 41.378094
1000 305.18674 -0.80847964 0 38.600554 42.877223
2000 313.99246 -1.9948292 0 38.551295 43.475585
3000 313.86673 -1.987971 0 38.541917 43.155182
4000 313.11947 -1.8945644 0 38.53883 44.035201
5000 314.92476 -2.1260059 0 38.540507 42.012978
6000 313.46259 -1.93896 0 38.538742 44.197131
7000 314.97475 -2.1392782 0 38.53369 43.91008
8000 313.88617 -1.9970823 0 38.535317 44.277056
9000 314.1612 -2.0304174 0 38.537496 43.495036
10000 315.4836 -2.2052704 0 38.533406 42.624901
Loop time of 0.337861 on 4 procs for 10000 steps with 1000 atoms
Performance: 2557.262 ns/day, 0.009 hours/ns, 29597.934 timesteps/s
96.8% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.044001 | 0.059837 | 0.1 | 9.5 | 17.71
Neigh | 0.0062642 | 0.0090668 | 0.015001 | 3.7 | 2.68
Comm | 0.144 | 0.18421 | 0.21583 | 6.2 | 54.52
Output | 0 | 0.0042874 | 0.017 | 11.2 | 1.27
Modify | 0.031019 | 0.037255 | 0.045001 | 2.7 | 11.03
Other | | 0.0432 | | | 12.79
Nlocal: 250 ave 278 max 220 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Nghost: 277.5 ave 302 max 252 min
Histogram: 1 0 1 0 0 0 0 1 0 1
Neighs: 568 ave 709 max 391 min
Histogram: 1 0 1 0 0 0 0 0 0 2
Total # of neighbors = 2272
Ave neighs/atom = 2.272
Neighbor list builds = 86
Dangerous builds = 0
Total wall time: 0:00:00