LAMMPS (5 Oct 2016) # 3d Lennard-Jones melt units lj atom_style atomic lattice fcc 0.8442 Lattice spacing in x,y,z = 1.6796 1.6796 1.6796 region box block 0 10 0 10 0 10 create_box 1 box Created orthogonal box = (0 0 0) to (16.796 16.796 16.796) 1 by 2 by 2 MPI processor grid create_atoms 1 box Created 4000 atoms mass 1 1.0 velocity all create 3.0 87287 pair_style lj/cut 2.5 pair_coeff 1 1 1.0 1.0 2.5 neighbor 0.3 bin neigh_modify every 20 delay 0 check no fix 1 all nve #dump id all atom 50 dump.melt #dump 2 all image 25 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30 #dump_modify 2 pad 3 #dump 3 all movie 25 movie.mpg type type # axes yes 0.8 0.02 view 60 -30 #dump_modify 3 pad 3 thermo 50 run 250 Neighbor list info ... 1 neighbor list requests update every 20 steps, delay 0 steps, check no max neighbors/atom: 2000, page size: 100000 master list distance cutoff = 2.8 ghost atom cutoff = 2.8 binsize = 1.4 -> bins = 12 12 12 Memory usage per processor = 2.10344 Mbytes Step Temp E_pair E_mol TotEng Press 0 3 -6.7733681 0 -2.2744931 -3.7033504 50 1.6754119 -4.7947589 0 -2.2822693 5.6615925 100 1.6503357 -4.756014 0 -2.2811293 5.8050524 150 1.6596605 -4.7699432 0 -2.2810749 5.7830138 200 1.6371874 -4.7365462 0 -2.2813789 5.9246674 250 1.6323462 -4.7292021 0 -2.2812949 5.9762238 Loop time of 0.210997 on 4 procs for 250 steps with 4000 atoms Performance: 511855.365 tau/day, 1184.850 timesteps/s 99.6% CPU use with 4 MPI tasks x no OpenMP threads MPI task timing breakdown: Section | min time | avg time | max time |%varavg| %total --------------------------------------------------------------- Pair | 0.15475 | 0.16099 | 0.1682 | 1.2 | 76.30 Neigh | 0.020829 | 0.021108 | 0.021522 | 0.2 | 10.00 Comm | 0.01674 | 0.024412 | 0.030987 | 3.3 | 11.57 Output | 0.00011587 | 0.0001238 | 0.00013185 | 0.1 | 0.06 Modify | 0.0031242 | 0.0031361 | 0.0031476 | 0.0 | 1.49 Other | | 0.001227 | | | 0.58 Nlocal: 1000 ave 1010 max 982 min Histogram: 1 0 0 0 0 0 1 0 0 2 Nghost: 2703.75 ave 2713 max 2689 min Histogram: 1 0 0 0 0 0 0 2 0 1 Neighs: 37915.5 ave 39239 max 36193 min Histogram: 1 0 0 0 0 1 1 0 0 1 Total # of neighbors = 151662 Ave neighs/atom = 37.9155 Neighbor list builds = 12 Dangerous builds not checked Total wall time: 0:00:00