lammps/bench/POTENTIALS/log.16Mar18.tersoff.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 Tersoff
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 = 0.000605822 secs
pair_style tersoff
pair_coeff * * Si.tersoff 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 = 4.2
ghost atom cutoff = 4.2
binsize = 2.1, bins = 52 52 26
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair tersoff, perpetual
attributes: full, newton on
pair build: full/bin/atomonly
stencil: full/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 3.753 | 3.753 | 3.753 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1000 -148173.19 0 -144036.99 7019.4434
100 430.57813 -145815.61 0 -144034.65 -14550.734
Loop time of 2.16161 on 4 procs for 100 steps with 32000 atoms
Performance: 3.997 ns/day, 6.004 hours/ns, 46.262 timesteps/s
99.4% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 2.1122 | 2.1165 | 2.122 | 0.2 | 97.91
Neigh | 0.016894 | 0.016915 | 0.016955 | 0.0 | 0.78
Comm | 0.012348 | 0.017858 | 0.022105 | 2.7 | 0.83
Output | 4.7684e-05 | 6.2048e-05 | 9.9421e-05 | 0.0 | 0.00
Modify | 0.0064063 | 0.0064579 | 0.0065169 | 0.0 | 0.30
Other | | 0.003793 | | | 0.18
Nlocal: 8000 ave 8005 max 7993 min
Histogram: 1 0 0 0 0 1 0 1 0 1
Nghost: 4580.25 ave 4593 max 4567 min
Histogram: 1 0 0 1 0 0 0 1 0 1
Neighs: 0 ave 0 max 0 min
Histogram: 4 0 0 0 0 0 0 0 0 0
FullNghs: 132625 ave 132785 max 132562 min
Histogram: 2 1 0 0 0 0 0 0 0 1
Total # of neighbors = 530500
Ave neighs/atom = 16.5781
Neighbor list builds = 2
Dangerous builds = 0
Total wall time: 0:00:02