lammps/examples/wall/log.9Jan20.wall.specular.g++.1

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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 1 by 1 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) = 3.137 | 3.137 | 3.137 Mbytes
Step Temp E_pair E_mol TotEng Press
0 300 0 0 38.739265 41.378094
1000 305.24846 -0.81252388 0 38.604479 42.984882
2000 313.42563 -1.9181413 0 38.554788 43.314782
3000 312.765 -1.8445772 0 38.543044 44.006858
4000 312.70958 -1.8420045 0 38.53846 44.808265
5000 313.4634 -1.9373681 0 38.540438 43.27283
6000 314.19203 -2.0319378 0 38.539957 44.403177
7000 314.51643 -2.0700345 0 38.543751 42.566368
8000 314.67639 -2.0991652 0 38.535275 44.02504
9000 315.17416 -2.1591689 0 38.53955 43.421838
10000 314.20849 -2.0315185 0 38.542502 43.522426
Loop time of 1.08403 on 1 procs for 10000 steps with 1000 atoms
Performance: 797.028 ns/day, 0.030 hours/ns, 9224.862 timesteps/s
56.0% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.96636 | 0.96636 | 0.96636 | 0.0 | 89.15
Neigh | 0.0087926 | 0.0087926 | 0.0087926 | 0.0 | 0.81
Comm | 0.022686 | 0.022686 | 0.022686 | 0.0 | 2.09
Output | 0 | 0 | 0 | 0.0 | 0.00
Modify | 0.071106 | 0.071106 | 0.071106 | 0.0 | 6.56
Other | | 0.01508 | | | 1.39
Nlocal: 1000 ave 1000 max 1000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 480 ave 480 max 480 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 2304 ave 2304 max 2304 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2304
Ave neighs/atom = 2.304
Neighbor list builds = 87
Dangerous builds = 0
Total wall time: 0:00:01