LAMMPS (8 Mar 2018) using 1 OpenMP thread(s) per MPI task # REAX potential for CHO system # ..... units real atom_style charge read_data data.CHO orthogonal box = (0 0 0) to (25 25 25) 1 by 2 by 2 MPI processor grid reading atoms ... 105 atoms pair_style reax/c lmp_control pair_coeff * * ffield.reax.cho H C O Reading potential file ffield.reax.cho with DATE: 2011-02-18 neighbor 2 bin neigh_modify every 10 delay 0 check no fix 1 all nve fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq fix 3 all temp/berendsen 500.0 500.0 100.0 timestep 0.25 #dump 1 all atom 30 dump.reax.cho run 3000 Neighbor list info ... update every 10 steps, delay 0 steps, check no max neighbors/atom: 2000, page size: 100000 master list distance cutoff = 12 ghost atom cutoff = 12 binsize = 6, bins = 5 5 5 2 neighbor lists, perpetual/occasional/extra = 2 0 0 (1) pair reax/c, perpetual attributes: half, newton off, ghost pair build: half/bin/newtoff/ghost stencil: half/ghost/bin/3d/newtoff bin: standard (2) fix qeq/reax, perpetual, copy from (1) attributes: half, newton off, ghost pair build: copy stencil: none bin: none Per MPI rank memory allocation (min/avg/max) = 11.75 | 12.85 | 13.81 Mbytes Step Temp E_pair E_mol TotEng Press 0 0 -10226.557 0 -10226.557 -106.09745 3000 548.30567 -10170.323 0 -10000.346 47.794514 Loop time of 7.42367 on 4 procs for 3000 steps with 105 atoms Performance: 8.729 ns/day, 2.750 hours/ns, 404.113 timesteps/s 97.7% CPU use with 4 MPI tasks x 1 OpenMP threads MPI task timing breakdown: Section | min time | avg time | max time |%varavg| %total --------------------------------------------------------------- Pair | 5.3058 | 5.4086 | 5.4922 | 3.1 | 72.86 Neigh | 0.14791 | 0.17866 | 0.2106 | 6.5 | 2.41 Comm | 0.080185 | 0.16666 | 0.26933 | 17.7 | 2.24 Output | 2.5988e-05 | 2.8491e-05 | 3.4571e-05 | 0.0 | 0.00 Modify | 1.6364 | 1.6658 | 1.6941 | 2.0 | 22.44 Other | | 0.003964 | | | 0.05 Nlocal: 26.25 ave 45 max 6 min Histogram: 1 0 1 0 0 0 0 0 1 1 Nghost: 380.75 ave 495 max 261 min Histogram: 1 0 1 0 0 0 0 0 1 1 Neighs: 1269.5 ave 2197 max 179 min Histogram: 1 0 1 0 0 0 0 0 1 1 Total # of neighbors = 5078 Ave neighs/atom = 48.3619 Neighbor list builds = 300 Dangerous builds not checked Please see the log.cite file for references relevant to this simulation Total wall time: 0:00:07