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lammps/bench/log.21May08.chain.scaled.linux.4
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LAMMPS (21 May 2008)
# FENE beadspring benchmark
variable x index 1
variable y index 1
variable z index 1
units lj
atom_style bond
atom_modify map hash
special_bonds 0.0 1.0 1.0
read_data data.chain
1 = max bonds/atom
orthogonal box = (-16.796 -16.796 -16.796) to (16.796 16.796 16.796)
1 by 2 by 2 processor grid
32000 atoms
32000 velocities
31680 bonds
2 = max # of 1-2 neighbors
2 = max # of special neighbors
replicate $x $y $z
replicate 2 $y $z
replicate 2 2 $z
replicate 2 2 1
orthogonal box = (-16.796 -16.796 -16.796) to (50.388 50.388 16.796)
2 by 2 by 1 processor grid
128000 atoms
126720 bonds
2 = max # of 1-2 neighbors
2 = max # of special neighbors
neighbor 0.4 bin
neigh_modify every 1 delay 1
bond_style fene
bond_coeff 1 30.0 1.5 1.0 1.0
pair_style lj/cut 1.12
pair_modify shift yes
pair_coeff 1 1 1.0 1.0 1.12
fix 1 all nve
fix 2 all langevin 1.0 1.0 10.0 904297
thermo 100
timestep 0.012
run 100
Memory usage per processor = 10.0339 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0.97027498 0.44484087 20.494523 22.394765 4.6721833
100 0.97400897 0.44134715 20.501052 22.403401 4.6879813
Loop time of 2.53108 on 4 procs for 100 steps with 128000 atoms
Pair time (%) = 0.525394 (20.7577)
Bond time (%) = 0.26664 (10.5346)
Neigh time (%) = 0.784977 (31.0135)
Comm time (%) = 0.315919 (12.4816)
Outpt time (%) = 0.000892997 (0.0352813)
Other time (%) = 0.637255 (25.1772)
Nlocal: 32000 ave 32015 max 31986 min
Histogram: 2 0 0 0 0 0 0 0 1 1
Nghost: 9499 ave 9524 max 9446 min
Histogram: 1 0 0 0 0 0 0 1 0 2
Neighs: 155798 ave 156103 max 155422 min
Histogram: 1 0 0 0 1 0 0 0 1 1
Total # of neighbors = 623193
Ave neighs/atom = 4.8687
Ave special neighs/atom = 1.98
Neighbor list builds = 25
Dangerous builds = 0
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