LAMMPS (30 Jun 2012) # ReaxFF benchmark: simulation of PETN crystal, replicated unit cell units real atom_style charge read_data data.reax orthogonal box = (0 0 0) to (9.49107 9.49107 6.99123) 2 by 2 by 1 MPI processor grid 58 atoms replicate 7 8 10 orthogonal box = (0 0 0) to (66.4375 75.9285 69.9123) 1 by 2 by 2 MPI processor grid 32480 atoms velocity all create 300.0 9999 pair_style reax/c NULL pair_coeff * * ffield.reax 1 2 3 4 timestep 0.1 fix 1 all nve fix 2 all qeq/reax 1 0.0 10.0 1.0e-6 reax/c thermo 10 thermo_style custom step temp ke pe pxx pyy pzz etotal run 100 Memory usage per processor = 93.1709 Mbytes Step Temp KinEng PotEng Pxx Pyy Pzz TotEng 0 300 29044.119 -3232140.8 22822.641 -29350.75 6269.9587 -3203096.6 10 297.46826 28799.012 -3231900.7 22429.987 -23451.646 8633.0049 -3203101.7 20 281.19693 27223.723 -3230326.1 18751.296 -10260.898 11753.565 -3203102.3 30 264.44558 25601.963 -3228706.6 11944.966 5439.2052 13773.246 -3203104.6 40 259.21484 25095.555 -3228205.6 3631.8687 18742.959 13727.737 -3203110.1 50 261.28801 25296.266 -3228414.6 -4398.3911 26482.009 11507.488 -3203118.3 60 257.70778 24949.652 -3228077.4 -9603.7946 28618.812 8576.0854 -3203127.8 70 247.45493 23957.034 -3227092.6 -11047.674 25561.879 5786.0486 -3203135.6 80 245.01206 23720.532 -3226863.5 -9338.5522 17460.083 3182.5874 -3203143 90 260.13702 25184.835 -3228330.6 -5427.889 5185.8606 974.51576 -3203145.8 100 283.73164 27469.118 -3230613.8 -830.13211 -9143.6107 -640.56137 -3203144.7 Loop time of 111.882 on 4 procs for 100 steps with 32480 atoms Pair time (%) = 78.4446 (70.1135) Neigh time (%) = 0 (0) Comm time (%) = 2.94055 (2.62825) Outpt time (%) = 0.00161415 (0.00144272) Other time (%) = 30.4955 (27.2568) Nlocal: 8120 ave 8120 max 8120 min Histogram: 4 0 0 0 0 0 0 0 0 0 Nghost: 21992 ave 21992 max 21992 min Histogram: 4 0 0 0 0 0 0 0 0 0 Neighs: 3.48274e+06 ave 3.48274e+06 max 3.48274e+06 min Histogram: 4 0 0 0 0 0 0 0 0 0 Total # of neighbors = 13930976 Ave neighs/atom = 428.909 Neighbor list builds = 0 Dangerous builds = 0