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lammps/examples/melt/log.15Feb16.melt.g++.4
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LAMMPS (15 Feb 2016)
# 3d Lennard-Jones melt
units lj
atom_style atomic
lattice fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region box block 0 10 0 10 0 10
create_box 1 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
1 by 2 by 2 MPI processor grid
create_atoms 1 box
Created 4000 atoms
mass 1 1.0
velocity all create 3.0 87287
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0 2.5
neighbor 0.3 bin
neigh_modify every 20 delay 0 check no
fix 1 all nve
#dump id all atom 50 dump.melt
#dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
thermo 50
run 250
Neighbor list info ...
1 neighbor list requests
update every 20 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2.8
ghost atom cutoff = 2.8
binsize = 1.4 -> bins = 12 12 12
Memory usage per processor = 2.10344 Mbytes
Step Temp E_pair E_mol TotEng Press
0 3 -6.7733681 0 -2.2744931 -3.7033504
50 1.6754119 -4.7947589 0 -2.2822693 5.6615925
100 1.6503357 -4.756014 0 -2.2811293 5.8050524
150 1.6596605 -4.7699432 0 -2.2810749 5.7830138
200 1.6371874 -4.7365462 0 -2.2813789 5.9246674
250 1.6323462 -4.7292021 0 -2.2812949 5.9762238
Loop time of 0.214556 on 4 procs for 250 steps with 4000 atoms
Performance: 503365.139 tau/day, 1165.197 timesteps/s
98.8% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.16133 | 0.16562 | 0.1711 | 1.0 | 77.19
Neigh | 0.021791 | 0.022137 | 0.022399 | 0.2 | 10.32
Comm | 0.016056 | 0.022041 | 0.026695 | 2.9 | 10.27
Output | 0.00012183 | 0.0001328 | 0.00014186 | 0.1 | 0.06
Modify | 0.0032513 | 0.0033011 | 0.0033648 | 0.1 | 1.54
Other | | 0.001321 | | | 0.62
Nlocal: 1000 ave 1010 max 982 min
Histogram: 1 0 0 0 0 0 1 0 0 2
Nghost: 2703.75 ave 2713 max 2689 min
Histogram: 1 0 0 0 0 0 0 2 0 1
Neighs: 37915.5 ave 39239 max 36193 min
Histogram: 1 0 0 0 0 1 1 0 0 1
Total # of neighbors = 151662
Ave neighs/atom = 37.9155
Neighbor list builds = 12
Dangerous builds not checked
Total wall time: 0:00:00
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