lammps/examples/airebo/log.30Apr2019.rebo2.g++.4

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LAMMPS (30 Apr 2019)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:88)
using 1 OpenMP thread(s) per MPI task
# REBO polyethelene benchmark
units metal
atom_style atomic
read_data data.airebo
orthogonal box = (-2.1 -2.1 0) to (2.1 2.1 25.579)
1 by 1 by 4 MPI processor grid
reading atoms ...
60 atoms
read_data CPU = 0.000682831 secs
replicate 17 16 2
orthogonal box = (-2.1 -2.1 0) to (69.3 65.1 51.158)
2 by 2 by 1 MPI processor grid
32640 atoms
replicate CPU = 0.00221777 secs
neighbor 0.5 bin
neigh_modify delay 5 every 1
pair_style rebo
pair_coeff * * CH.rebo C H
Reading potential file CH.rebo with DATE: 2018-7-3
velocity all create 300.0 761341
fix 1 all nve
timestep 0.0005
thermo 10
run 100
Neighbor list info ...
update every 1 steps, delay 5 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 6.5
ghost atom cutoff = 6.5
binsize = 3.25, bins = 22 21 16
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair rebo, perpetual
attributes: full, newton on, ghost
pair build: full/bin/ghost
stencil: full/ghost/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 11.75 | 11.94 | 12.13 Mbytes
Step Temp E_pair E_mol TotEng Press
0 300 -138442.83 0 -137177.16 2463.0748
10 179.37985 -137931.27 0 -137174.48 15655.936
20 206.87654 -138046.99 0 -137174.19 -24042.627
30 150.80122 -137807.43 0 -137171.21 -16524.118
40 173.24945 -137902.35 0 -137171.42 -5716.9119
50 151.80455 -137812.36 0 -137171.91 3480.4584
60 199.08777 -138013.82 0 -137173.88 17881.372
70 217.85748 -138093.86 0 -137174.73 -12270.999
80 202.37482 -138029.39 0 -137175.59 -7622.7319
90 194.90628 -137997.05 0 -137174.75 -32267.471
100 185.17818 -137954.51 0 -137173.26 -6901.7499
Loop time of 6.35645 on 4 procs for 100 steps with 32640 atoms
Performance: 0.680 ns/day, 35.314 hours/ns, 15.732 timesteps/s
99.0% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 4.4335 | 4.5041 | 4.56 | 2.1 | 70.86
Neigh | 1.5332 | 1.5919 | 1.6466 | 3.6 | 25.04
Comm | 0.098299 | 0.20854 | 0.26277 | 14.2 | 3.28
Output | 0.0011072 | 0.0018047 | 0.0037503 | 2.6 | 0.03
Modify | 0.028811 | 0.030358 | 0.031516 | 0.6 | 0.48
Other | | 0.01977 | | | 0.31
Nlocal: 8160 ave 8163 max 8157 min
Histogram: 1 1 0 0 0 0 0 0 1 1
Nghost: 11605.8 ave 11615 max 11593 min
Histogram: 1 0 0 0 0 0 2 0 0 1
Neighs: 0 ave 0 max 0 min
Histogram: 4 0 0 0 0 0 0 0 0 0
FullNghs: 1.22553e+06 ave 1.22735e+06 max 1.22455e+06 min
Histogram: 2 0 0 1 0 0 0 0 0 1
Total # of neighbors = 4902134
Ave neighs/atom = 150.188
Neighbor list builds = 9
Dangerous builds = 0
Total wall time: 0:00:06