lammps/examples/melt/log.8Apr21.melt.g++.1

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LAMMPS (8 Apr 2021)
using 1 OpenMP thread(s) per MPI task
# 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 = (0.0000000 0.0000000 0.0000000) to (16.795962 16.795962 16.795962)
1 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
create_atoms CPU = 0.002 seconds
mass 1 1.0
velocity all create 3.0 87287 loop geom
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0 2.5
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 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 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 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) = 3.222 | 3.222 | 3.222 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 1.61045 on 1 procs for 250 steps with 4000 atoms
Performance: 67062.020 tau/day, 155.236 timesteps/s
99.9% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.3961 | 1.3961 | 1.3961 | 0.0 | 86.69
Neigh | 0.13555 | 0.13555 | 0.13555 | 0.0 | 8.42
Comm | 0.037732 | 0.037732 | 0.037732 | 0.0 | 2.34
Output | 0.0003345 | 0.0003345 | 0.0003345 | 0.0 | 0.02
Modify | 0.038016 | 0.038016 | 0.038016 | 0.0 | 2.36
Other | | 0.002731 | | | 0.17
Nlocal: 4000.00 ave 4000 max 4000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 5506.00 ave 5506 max 5506 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 151788.0 ave 151788 max 151788 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 151788
Ave neighs/atom = 37.947000
Neighbor list builds = 12
Dangerous builds not checked
Total wall time: 0:00:01