lammps/bench/POTENTIALS/log.16Mar18.sw.4

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LAMMPS (16 Mar 2018)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (../comm.cpp:90)
using 1 OpenMP thread(s) per MPI task
# bulk Si via Stillinger-Weber
units metal
atom_style atomic
lattice diamond 5.431
Lattice spacing in x,y,z = 5.431 5.431 5.431
region box block 0 20 0 20 0 10
create_box 1 box
Created orthogonal box = (0 0 0) to (108.62 108.62 54.31)
2 by 2 by 1 MPI processor grid
create_atoms 1 box
Created 32000 atoms
Time spent = 0.000604153 secs
pair_style sw
pair_coeff * * Si.sw Si
mass 1 28.06
velocity all create 1000.0 376847 loop geom
neighbor 1.0 bin
neigh_modify delay 5 every 1
fix 1 all nve
timestep 0.001
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 = 4.77118
ghost atom cutoff = 4.77118
binsize = 2.38559, bins = 46 46 23
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair sw, perpetual
attributes: full, newton on
pair build: full/bin/atomonly
stencil: full/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 4.104 | 4.104 | 4.104 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1000 -138771.2 0 -134635 6866.6499
100 508.80533 -136736.12 0 -134631.6 6361.7858
Loop time of 1.47105 on 4 procs for 100 steps with 32000 atoms
Performance: 5.873 ns/day, 4.086 hours/ns, 67.978 timesteps/s
98.8% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.3788 | 1.3929 | 1.4053 | 0.8 | 94.69
Neigh | 0.019134 | 0.019502 | 0.019816 | 0.2 | 1.33
Comm | 0.024183 | 0.035734 | 0.049122 | 4.7 | 2.43
Output | 5.1975e-05 | 6.6102e-05 | 0.00010204 | 0.0 | 0.00
Modify | 0.0063825 | 0.0064374 | 0.0064764 | 0.0 | 0.44
Other | | 0.01638 | | | 1.11
Nlocal: 8000 ave 8015 max 7978 min
Histogram: 1 0 0 0 0 0 1 1 0 1
Nghost: 4995 ave 5017 max 4980 min
Histogram: 1 0 1 1 0 0 0 0 0 1
Neighs: 0 ave 0 max 0 min
Histogram: 4 0 0 0 0 0 0 0 0 0
FullNghs: 223704 ave 224108 max 223131 min
Histogram: 1 0 0 0 0 0 1 1 0 1
Total # of neighbors = 894818
Ave neighs/atom = 27.9631
Neighbor list builds = 2
Dangerous builds = 0
Total wall time: 0:00:01