Files
lammps-gran-kokkos/bench/POTENTIALS/log.9Oct20.lj.1
2020-10-14 13:11:13 -04:00

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LAMMPS (9 Oct 2020)
using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt
units lj
atom_style atomic
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6795962 1.6795962 1.6795962
region box block 0 20 0 20 0 20
create_box 1 box
Created orthogonal box = (0.0000000 0.0000000 0.0000000) to (33.591924 33.591924 33.591924)
1 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 32000 atoms
create_atoms CPU = 0.002 seconds
mass 1 1.0
velocity all create 1.44 87287 loop geom
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0 2.5
neighbor 0.3 bin
neigh_modify delay 5 every 1
fix 1 all nve
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 = 2.8
ghost atom cutoff = 2.8
binsize = 1.4, bins = 24 24 24
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 15.82 | 15.82 | 15.82 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1.44 -6.7733681 0 -4.6134356 -5.0197073
100 0.75745998 -5.7584998 0 -4.6223453 0.20729996
Loop time of 1.59245 on 1 procs for 100 steps with 32000 atoms
Performance: 27127.959 tau/day, 62.796 timesteps/s
99.9% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.1654 | 1.1654 | 1.1654 | 0.0 | 73.18
Neigh | 0.38321 | 0.38321 | 0.38321 | 0.0 | 24.06
Comm | 0.014476 | 0.014476 | 0.014476 | 0.0 | 0.91
Output | 9.5844e-05 | 9.5844e-05 | 9.5844e-05 | 0.0 | 0.01
Modify | 0.021453 | 0.021453 | 0.021453 | 0.0 | 1.35
Other | | 0.007799 | | | 0.49
Nlocal: 32000.0 ave 32000 max 32000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 19669.0 ave 19669 max 19669 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 1.20318e+06 ave 1.20318e+06 max 1.20318e+06 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 1203176
Ave neighs/atom = 37.599250
Neighbor list builds = 11
Dangerous builds = 0
Total wall time: 0:00:01