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lammps/examples/mliap/log.23Sep22.mliap.unified.lj.Ar.g++.4

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LAMMPS (15 Sep 2022)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# create pickle of unified model
python create_pickle here """
import lammps
import lammps.mliap
from lammps.mliap.mliap_unified_lj import MLIAPUnifiedLJ
def create_pickle():
unified = MLIAPUnifiedLJ(["Ar"])
unified.pickle('mliap_unified_lj_Ar.pkl')
"""
python create_pickle invoke
# 3d Lennard-Jones melt
units lj
atom_style atomic
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 1 box
Created orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
1 by 2 by 2 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 1.0
velocity all create 3.0 87287 loop geom
pair_style mliap unified mliap_unified_lj_Ar.pkl 0
pair_coeff * * Ar
neighbor 0.3 bin
neigh_modify every 20 delay 0 check no
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 1 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
#dump 4 all custom 1 forces.xyz fx fy fz
thermo 50
run 250
Neighbor list info ...
update: every = 20 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 12 12 12
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair mliap, perpetual
attributes: full, newton on
pair build: full/bin/atomonly
stencil: full/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 5.774 | 5.774 | 5.774 Mbytes
Step Temp E_pair E_mol TotEng Press
0 3 -6.7733681 0 -2.2744931 -3.7033504
50 1.6842865 -4.8082494 0 -2.2824513 5.5666131
100 1.6712577 -4.7875609 0 -2.281301 5.6613913
150 1.6444751 -4.7471034 0 -2.2810074 5.8614211
200 1.6471542 -4.7509053 0 -2.2807916 5.8805431
250 1.6645597 -4.7774327 0 -2.2812174 5.7526089
Loop time of 1.18059 on 4 procs for 250 steps with 4000 atoms
Performance: 91479.359 tau/day, 211.758 timesteps/s
78.3% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.0795 | 1.1007 | 1.1197 | 1.7 | 93.23
Neigh | 0.035618 | 0.03627 | 0.037413 | 0.4 | 3.07
Comm | 0.019611 | 0.038646 | 0.060389 | 9.4 | 3.27
Output | 0.00013034 | 0.0001421 | 0.00017083 | 0.0 | 0.01
Modify | 0.0037233 | 0.0037641 | 0.0038121 | 0.1 | 0.32
Other | | 0.001086 | | | 0.09
Nlocal: 1000 ave 1008 max 987 min
Histogram: 1 0 0 0 0 0 1 0 1 1
Nghost: 2711.25 ave 2728 max 2693 min
Histogram: 1 0 0 0 0 2 0 0 0 1
Neighs: 0 ave 0 max 0 min
Histogram: 4 0 0 0 0 0 0 0 0 0
FullNghs: 75894 ave 77414 max 74214 min
Histogram: 1 0 0 1 0 0 0 1 0 1
Total # of neighbors = 303576
Ave neighs/atom = 75.894
Neighbor list builds = 12
Dangerous builds not checked
# clean up
shell rm -f mliap_unified_lj_Ar.pkl
Total wall time: 0:00:01