LAMMPS (29 Jun 2012) # AIREBO polyethelene benchmark units metal atom_style atomic read_data data.airebo orthogonal box = (-2.1 -2.1 0) to (2.1 2.1 25.579) 1 by 1 by 4 MPI processor grid 60 atoms replicate 17 16 2 orthogonal box = (-2.1 -2.1 0) to (69.3 65.1 51.158) 2 by 2 by 1 MPI processor grid 32640 atoms neighbor 0.5 bin neigh_modify delay 5 every 1 pair_style airebo 3.0 1 1 pair_coeff * * CH.airebo C H velocity all create 300.0 761341 fix 1 all nve timestep 0.0005 thermo 10 run 100 Memory usage per processor = 29.8097 Mbytes Step Temp E_pair E_mol TotEng Press 0 300 -139299.7 0 -138034.03 8830.3329 10 143.00954 -138633.58 0 -138030.23 32329.276 20 219.32814 -138956.58 0 -138031.25 -3487.5421 30 120.47567 -138535.14 0 -138026.86 11367.446 40 158.54609 -138696.2 0 -138027.31 13272.949 50 92.336357 -138415.63 0 -138026.07 23805.366 60 182.26046 -138797.42 0 -138028.48 33008.508 70 153.25324 -138676.08 0 -138029.52 3951.7505 80 173.39519 -138762.84 0 -138031.3 20742.112 90 193.98121 -138849.35 0 -138030.96 -10033.519 100 193.18028 -138846.08 0 -138031.07 31990.015 Loop time of 29.0637 on 4 procs for 100 steps with 32640 atoms Pair time (%) = 25.1182 (86.4249) Neigh time (%) = 2.97429 (10.2337) Comm time (%) = 0.940242 (3.23511) Outpt time (%) = 0.000824273 (0.00283609) Other time (%) = 0.0300676 (0.103454) Nlocal: 8160 ave 8177 max 8143 min Histogram: 1 0 0 1 0 0 1 0 0 1 Nghost: 22625.5 ave 22644 max 22608 min Histogram: 1 0 0 1 0 1 0 0 0 1 Neighs: 0 ave 0 max 0 min Histogram: 4 0 0 0 0 0 0 0 0 0 FullNghs: 5.55854e+06 ave 5.57118e+06 max 5.54428e+06 min Histogram: 1 0 0 0 1 0 1 0 0 1 Total # of neighbors = 22234140 Ave neighs/atom = 681.193 Neighbor list builds = 8 Dangerous builds = 0