LAMMPS (5 Oct 2016) # 3d Lennard-Jones melt units lj atom_style atomic processors * 1 1 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 3 box Created orthogonal box = (0 0 0) to (16.796 16.796 16.796) 4 by 1 by 1 MPI processor grid create_atoms 1 box Created 4000 atoms mass * 1.0 region long block 3 6 0 10 0 10 set region long type 2 1400 settings made for type velocity all create 1.0 87287 pair_style lj/cut 2.5 pair_coeff * * 1.0 1.0 2.5 pair_coeff * 2 1.0 1.0 5.0 neighbor 0.3 bin neigh_modify every 2 delay 4 check yes fix p all property/atom d_WEIGHT compute p all property/atom d_WEIGHT fix 0 all balance 50 1.0 shift x 10 1.0 weight time 1.0 weight store WEIGHT variable maximb equal f_0[1] variable iter equal f_0[2] variable prev equal f_0[3] variable final equal f_0 #fix 3 all print 50 "${iter} ${prev} ${final} ${maximb}" fix 1 all nve #dump id all atom 50 dump.melt #dump id all custom 50 dump.lammpstrj id type x y z c_p #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 500 Neighbor list info ... 1 neighbor list requests update every 2 steps, delay 4 steps, check yes max neighbors/atom: 2000, page size: 100000 master list distance cutoff = 5.3 ghost atom cutoff = 5.3 binsize = 2.65 -> bins = 7 7 7 Memory usage per processor = 3.0442 Mbytes Step Temp E_pair E_mol TotEng Press Volume 0 1 -6.9453205 0 -5.4456955 -5.6812358 4738.2137 50 0.48653399 -6.1788509 0 -5.4492324 -1.6017778 4738.2137 100 0.53411175 -6.249885 0 -5.4489177 -1.9317606 4738.2137 150 0.53646658 -6.2527206 0 -5.4482219 -1.9689568 4738.2137 200 0.54551611 -6.2656326 0 -5.4475631 -2.0042104 4738.2137 250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995 4738.2137 300 0.5477618 -6.2678071 0 -5.4463698 -1.997842 4738.2137 350 0.55600296 -6.2801497 0 -5.4463538 -2.0394056 4738.2137 400 0.53241503 -6.2453665 0 -5.4469436 -1.878594 4738.2137 450 0.5439158 -6.2623 0 -5.4466302 -1.9744161 4738.2137 500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015 4738.2137 Loop time of 2.33547 on 4 procs for 500 steps with 4000 atoms Performance: 92486.710 tau/day, 214.090 timesteps/s 99.4% CPU use with 4 MPI tasks x no OpenMP threads MPI task timing breakdown: Section | min time | avg time | max time |%varavg| %total --------------------------------------------------------------- Pair | 1.1405 | 1.4342 | 1.6755 | 19.8 | 61.41 Neigh | 0.26612 | 0.40331 | 0.57095 | 21.3 | 17.27 Comm | 0.3676 | 0.47776 | 0.60114 | 14.4 | 20.46 Output | 0.00025606 | 0.00029331 | 0.00032091 | 0.1 | 0.01 Modify | 0.0068483 | 0.008993 | 0.012159 | 2.3 | 0.39 Other | | 0.01091 | | | 0.47 Nlocal: 1000 ave 1541 max 597 min Histogram: 2 0 0 0 0 0 1 0 0 1 Nghost: 8756.5 ave 9859 max 8068 min Histogram: 2 0 0 0 0 1 0 0 0 1 Neighs: 149308 ave 164475 max 126288 min Histogram: 1 0 0 0 1 0 0 0 0 2 Total # of neighbors = 597231 Ave neighs/atom = 149.308 Neighbor list builds = 50 Dangerous builds = 0 run 500 Memory usage per processor = 3.06519 Mbytes Step Temp E_pair E_mol TotEng Press Volume 500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015 4738.2137 550 0.53879347 -6.2554274 0 -5.4474393 -1.9756834 4738.2137 600 0.54275982 -6.2616799 0 -5.4477437 -1.9939993 4738.2137 650 0.54526651 -6.265098 0 -5.4474027 -2.0303672 4738.2137 700 0.54369381 -6.263201 0 -5.4478642 -1.9921967 4738.2137 750 0.54452777 -6.2640839 0 -5.4474964 -1.9658675 4738.2137 800 0.55061744 -6.2725556 0 -5.4468359 -2.0100922 4738.2137 850 0.55371614 -6.2763992 0 -5.4460326 -2.0065329 4738.2137 900 0.54756622 -6.2668303 0 -5.4456863 -1.9796122 4738.2137 950 0.54791593 -6.2673161 0 -5.4456477 -1.9598278 4738.2137 1000 0.54173198 -6.2586101 0 -5.4462153 -1.9007466 4738.2137 Loop time of 2.16422 on 4 procs for 500 steps with 4000 atoms Performance: 99804.786 tau/day, 231.030 timesteps/s 99.4% CPU use with 4 MPI tasks x no OpenMP threads MPI task timing breakdown: Section | min time | avg time | max time |%varavg| %total --------------------------------------------------------------- Pair | 1.1704 | 1.3643 | 1.5256 | 13.9 | 63.04 Neigh | 0.252 | 0.39989 | 0.57798 | 23.0 | 18.48 Comm | 0.36005 | 0.38026 | 0.399 | 2.7 | 17.57 Output | 0.00026989 | 0.00029516 | 0.00030947 | 0.1 | 0.01 Modify | 0.0062692 | 0.0085821 | 0.011907 | 2.6 | 0.40 Other | | 0.01089 | | | 0.50 Nlocal: 1000 ave 1546 max 611 min Histogram: 2 0 0 0 0 0 1 0 0 1 Nghost: 8720 ave 9802 max 8007 min Histogram: 2 0 0 0 0 1 0 0 0 1 Neighs: 150170 ave 167512 max 125941 min Histogram: 1 0 0 1 0 0 0 0 0 2 Total # of neighbors = 600678 Ave neighs/atom = 150.169 Neighbor list builds = 53 Dangerous builds = 0 fix 0 all balance 50 1.0 shift x 5 1.0 weight neigh 0.5 weight time 0.66 weight store WEIGHT run 500 Memory usage per processor = 3.04802 Mbytes Step Temp E_pair E_mol TotEng Press Volume 1000 0.54173198 -6.2586101 0 -5.4462153 -1.9007466 4738.2137 1050 0.54629742 -6.2657526 0 -5.4465113 -1.945821 4738.2137 1100 0.55427881 -6.2781733 0 -5.446963 -2.0021027 4738.2137 1150 0.54730654 -6.267257 0 -5.4465025 -1.9420678 4738.2137 1200 0.5388281 -6.2547963 0 -5.4467562 -1.890178 4738.2137 1250 0.54848768 -6.2694237 0 -5.4468979 -1.9636797 4738.2137 1300 0.54134321 -6.2590728 0 -5.447261 -1.9170271 4738.2137 1350 0.53564389 -6.2501521 0 -5.4468871 -1.8642306 4738.2137 1400 0.53726924 -6.2518379 0 -5.4461355 -1.8544028 4738.2137 1450 0.54525935 -6.2632653 0 -5.4455808 -1.9072158 4738.2137 1500 0.54223346 -6.2591057 0 -5.4459588 -1.8866985 4738.2137 Loop time of 2.17454 on 4 procs for 500 steps with 4000 atoms Performance: 99331.198 tau/day, 229.933 timesteps/s 99.5% CPU use with 4 MPI tasks x no OpenMP threads MPI task timing breakdown: Section | min time | avg time | max time |%varavg| %total --------------------------------------------------------------- Pair | 1.1909 | 1.3814 | 1.5474 | 12.7 | 63.53 Neigh | 0.24882 | 0.38781 | 0.5563 | 22.6 | 17.83 Comm | 0.35985 | 0.38559 | 0.4055 | 3.0 | 17.73 Output | 0.00030994 | 0.00033677 | 0.00035214 | 0.1 | 0.02 Modify | 0.0060136 | 0.008362 | 0.011491 | 2.6 | 0.38 Other | | 0.01102 | | | 0.51 Nlocal: 1000 ave 1555 max 581 min Histogram: 2 0 0 0 0 0 0 1 0 1 Nghost: 8695.5 ave 9791 max 8011 min Histogram: 2 0 0 0 0 1 0 0 0 1 Neighs: 150494 ave 160074 max 132359 min Histogram: 1 0 0 0 0 0 1 0 0 2 Total # of neighbors = 601974 Ave neighs/atom = 150.494 Neighbor list builds = 51 Dangerous builds = 0 run 500 Memory usage per processor = 3.06519 Mbytes Step Temp E_pair E_mol TotEng Press Volume 1500 0.54223346 -6.2591057 0 -5.4459588 -1.8866985 4738.2137 1550 0.55327018 -6.2750125 0 -5.4453148 -1.9506585 4738.2137 1600 0.54419003 -6.2612622 0 -5.4451812 -1.8559437 4738.2137 1650 0.54710035 -6.2661979 0 -5.4457525 -1.8882833 4738.2137 1700 0.53665692 -6.2504957 0 -5.4457116 -1.8068001 4738.2137 1750 0.54864726 -6.2681127 0 -5.4453476 -1.8662658 4738.2137 1800 0.54476256 -6.2615132 0 -5.4445736 -1.8352921 4738.2137 1850 0.54142913 -6.2555501 0 -5.4436094 -1.8005632 4738.2137 1900 0.53992543 -6.2541365 0 -5.4444509 -1.7768749 4738.2137 1950 0.54666257 -6.2641014 0 -5.4443125 -1.7947215 4738.2137 2000 0.54557432 -6.2625445 0 -5.4443876 -1.8072402 4738.2137 Loop time of 2.13804 on 4 procs for 500 steps with 4000 atoms Performance: 101026.937 tau/day, 233.859 timesteps/s 99.5% CPU use with 4 MPI tasks x no OpenMP threads MPI task timing breakdown: Section | min time | avg time | max time |%varavg| %total --------------------------------------------------------------- Pair | 1.2063 | 1.3671 | 1.4849 | 9.7 | 63.94 Neigh | 0.25593 | 0.41674 | 0.59932 | 24.5 | 19.49 Comm | 0.25287 | 0.33513 | 0.39698 | 9.9 | 15.67 Output | 0.00024056 | 0.00026721 | 0.00028205 | 0.1 | 0.01 Modify | 0.0058651 | 0.0082419 | 0.011365 | 2.7 | 0.39 Other | | 0.01061 | | | 0.50 Nlocal: 1000 ave 1513 max 612 min Histogram: 2 0 0 0 0 0 0 1 0 1 Nghost: 8685.25 ave 9861 max 7992 min Histogram: 2 0 0 0 1 0 0 0 0 1 Neighs: 151657 ave 173252 max 122114 min Histogram: 1 0 0 0 1 0 0 0 1 1 Total # of neighbors = 606628 Ave neighs/atom = 151.657 Neighbor list builds = 56 Dangerous builds = 0 Total wall time: 0:00:08