LAMMPS (10 Jan 2012) # FENE beadspring benchmark units lj atom_style bond special_bonds fene 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 MPI processor grid 32000 atoms 32000 velocities 31680 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 = 4.80505 Mbytes Step Temp E_pair E_mol TotEng Press 0 0.97029772 0.44484087 20.494523 22.394765 4.6721833 100 0.97145835 0.43803883 20.502691 22.397872 4.626988 Loop time of 0.277092 on 4 procs for 100 steps with 32000 atoms Pair time (%) = 0.0511394 (18.4557) Bond time (%) = 0.030314 (10.94) Neigh time (%) = 0.112937 (40.7578) Comm time (%) = 0.0222602 (8.03351) Outpt time (%) = 6.1214e-05 (0.0220915) Other time (%) = 0.0603806 (21.7908) Nlocal: 8000 ave 8030 max 7974 min Histogram: 1 0 0 1 0 1 0 0 0 1 Nghost: 4177 ave 4191 max 4160 min Histogram: 1 0 0 0 1 0 0 1 0 1 Neighs: 38995.8 ave 39169 max 38852 min Histogram: 1 0 0 1 1 0 0 0 0 1 Total # of neighbors = 155983 Ave neighs/atom = 4.87447 Ave special neighs/atom = 1.98 Neighbor list builds = 25 Dangerous builds = 0