lammps/examples/python/log.4May17.pair_python_coul...

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LAMMPS (4 May 2017)
using 1 OpenMP thread(s) per MPI task
units real
atom_style full
read_data data.spce
orthogonal box = (0.02645 0.02645 0.02641) to (35.5328 35.5328 35.4736)
2 by 2 by 1 MPI processor grid
reading atoms ...
4500 atoms
scanning bonds ...
2 = max bonds/atom
scanning angles ...
1 = max angles/atom
reading bonds ...
3000 bonds
reading angles ...
1500 angles
2 = max # of 1-2 neighbors
1 = max # of 1-3 neighbors
1 = max # of 1-4 neighbors
2 = max # of special neighbors
pair_style hybrid/overlay coul/cut 12.0 python 12.0
pair_coeff * * coul/cut
pair_coeff * * python py_pot.LJCutSPCE OW NULL
bond_style harmonic
angle_style harmonic
dihedral_style none
improper_style none
bond_coeff 1 1000.00 1.000
angle_coeff 1 100.0 109.47
special_bonds lj/coul 0.0 0.0 1.0
2 = max # of 1-2 neighbors
1 = max # of 1-3 neighbors
2 = max # of special neighbors
neighbor 2.0 bin
fix 1 all shake 0.0001 20 0 b 1 a 1
0 = # of size 2 clusters
0 = # of size 3 clusters
0 = # of size 4 clusters
1500 = # of frozen angles
fix 2 all nvt temp 300.0 300.0 100.0
# create combined lj/coul table for all atom types
# generate tabulated potential from python variant
pair_write 1 1 2000 rsq 0.1 12 spce.table OW-OW -0.8472 -0.8472
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 14
ghost atom cutoff = 14
binsize = 7, bins = 6 6 6
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair coul/cut, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/3d/newton
bin: standard
(2) pair python, perpetual, skip from (1)
attributes: half, newton on
pair build: skip
stencil: none
bin: none
pair_write 1 2 2000 rsq 0.1 12 spce.table OW-HW -0.8472 0.4236
pair_write 2 2 2000 rsq 0.1 12 spce.table HW-HW 0.4236 0.4236
# switch to tabulated potential
pair_style table linear 2000 pppm
pair_coeff 1 1 spce.table OW-OW
pair_coeff 1 2 spce.table OW-HW
pair_coeff 2 2 spce.table HW-HW
thermo 10
run 100
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 14
ghost atom cutoff = 14
binsize = 7, bins = 6 6 6
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair table, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 9.962 | 9.963 | 9.963 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -18284.922 0 -18284.922 -2080.7739
10 146.83806 -19552.072 0 -18239.421 -4865.31
20 183.15761 -18706.872 0 -17069.543 -4865.6695
30 205.96203 -18901.541 0 -17060.354 -4454.8634
40 241.62768 -18323.117 0 -16163.099 -3269.1475
50 265.98384 -19883.562 0 -17505.813 -2788.5194
60 274.01897 -21320.575 0 -18870.996 -2387.0708
70 288.7601 -19849.269 0 -17267.913 -1235.818
80 300.64724 -20958.602 0 -18270.981 -1714.7988
90 304.19113 -21580.4 0 -18861.099 -2144.1614
100 304.22027 -21239.014 0 -18519.452 -2092.6759
Loop time of 1.7361 on 4 procs for 100 steps with 4500 atoms
Performance: 4.977 ns/day, 4.823 hours/ns, 57.600 timesteps/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 | 1.4424 | 1.5149 | 1.6066 | 5.3 | 87.26
Bond | 8.9407e-05 | 0.00010258 | 0.00012374 | 0.0 | 0.01
Neigh | 0.064205 | 0.064241 | 0.064295 | 0.0 | 3.70
Comm | 0.023643 | 0.1155 | 0.18821 | 19.2 | 6.65
Output | 0.00038004 | 0.00042355 | 0.00054145 | 0.0 | 0.02
Modify | 0.037507 | 0.037787 | 0.038042 | 0.1 | 2.18
Other | | 0.003148 | | | 0.18
Nlocal: 1125 ave 1162 max 1098 min
Histogram: 1 1 0 0 0 1 0 0 0 1
Nghost: 12267.8 ave 12302 max 12238 min
Histogram: 2 0 0 0 0 0 0 0 1 1
Neighs: 649416 ave 681458 max 630541 min
Histogram: 1 0 2 0 0 0 0 0 0 1
Total # of neighbors = 2597662
Ave neighs/atom = 577.258
Ave special neighs/atom = 2
Neighbor list builds = 3
Dangerous builds = 0
shell rm spce.table
Total wall time: 0:00:01