lammps/examples/python/log.27Nov18.pair_python_spc...

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LAMMPS (27 Nov 2018)
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/long 12.0 python 12.0
kspace_style pppm 1.0e-6
pair_coeff * * coul/long
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
thermo 10
run 100
PPPM initialization ...
using 12-bit tables for long-range coulomb (src/kspace.cpp:321)
G vector (1/distance) = 0.279652
grid = 40 40 40
stencil order = 5
estimated absolute RMS force accuracy = 0.000394674
estimated relative force accuracy = 1.18855e-06
using double precision FFTs
3d grid and FFT values/proc = 34263 16000
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/long, 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
Per MPI rank memory allocation (min/avg/max) = 14.64 | 14.64 | 14.64 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -16692.369 0 -16692.369 -1289.222
10 120.56861 -17769.719 0 -16691.902 -4082.7098
20 136.08014 -17884.591 0 -16668.109 -5140.7824
30 136.97316 -17874.351 0 -16649.887 -5351.3571
40 153.37285 -18001.493 0 -16630.424 -5227.0601
50 167.70414 -18105.435 0 -16606.252 -4473.2089
60 163.08253 -18037.29 0 -16579.422 -3295.8963
70 169.60395 -18067.078 0 -16550.912 -2615.7026
80 182.94811 -18155.978 0 -16520.523 -2393.3156
90 191.29902 -18197.887 0 -16487.779 -2242.7104
100 194.70949 -18195.021 0 -16454.425 -1955.2916
Loop time of 4.36104 on 4 procs for 100 steps with 4500 atoms
Performance: 1.981 ns/day, 12.114 hours/ns, 22.930 timesteps/s
97.7% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 3.5019 | 3.6105 | 3.738 | 4.4 | 82.79
Bond | 0.00010133 | 0.00013196 | 0.00017118 | 0.0 | 0.00
Kspace | 0.47082 | 0.59641 | 0.70417 | 10.8 | 13.68
Neigh | 0.081036 | 0.081042 | 0.081047 | 0.0 | 1.86
Comm | 0.030113 | 0.03092 | 0.03135 | 0.3 | 0.71
Output | 0.00034952 | 0.00064117 | 0.001514 | 0.0 | 0.01
Modify | 0.036583 | 0.037553 | 0.038021 | 0.3 | 0.86
Other | | 0.00388 | | | 0.09
Nlocal: 1125 ave 1154 max 1092 min
Histogram: 1 0 0 0 1 0 0 1 0 1
Nghost: 12256.2 ave 12296 max 12213 min
Histogram: 1 0 1 0 0 0 0 0 1 1
Neighs: 650440 ave 678828 max 626375 min
Histogram: 1 0 0 0 2 0 0 0 0 1
Total # of neighbors = 2601762
Ave neighs/atom = 578.169
Ave special neighs/atom = 2
Neighbor list builds = 3
Dangerous builds = 0
Total wall time: 0:00:04