LAMMPS (24 Dec 2020) using 1 OpenMP thread(s) per MPI task # Simple regression tests for Tersoff potentials # NOTE: These are not intended to represent real materials units metal atom_style atomic atom_modify map array boundary p p p atom_modify sort 0 0.0 # temperature variable t equal 1800.0 # cubic diamond unit cell variable a equal 5.431 lattice custom $a a1 1.0 0.0 0.0 a2 0.0 1.0 0.0 a3 0.0 0.0 1.0 basis 0.0 0.0 0.0 basis 0.0 0.5 0.5 basis 0.5 0.0 0.5 basis 0.5 0.5 0.0 basis 0.25 0.25 0.25 basis 0.25 0.75 0.75 basis 0.75 0.25 0.75 basis 0.75 0.75 0.25 lattice custom 5.431 a1 1.0 0.0 0.0 a2 0.0 1.0 0.0 a3 0.0 0.0 1.0 basis 0.0 0.0 0.0 basis 0.0 0.5 0.5 basis 0.5 0.0 0.5 basis 0.5 0.5 0.0 basis 0.25 0.25 0.25 basis 0.25 0.75 0.75 basis 0.75 0.25 0.75 basis 0.75 0.75 0.25 Lattice spacing in x,y,z = 5.4310000 5.4310000 5.4310000 region myreg block 0 4 0 4 0 4 create_box 8 myreg Created orthogonal box = (0.0000000 0.0000000 0.0000000) to (21.724000 21.724000 21.724000) 1 by 2 by 2 MPI processor grid create_atoms 1 region myreg basis 1 1 basis 2 2 basis 3 3 basis 4 4 basis 5 5 basis 6 6 basis 7 7 basis 8 8 Created 512 atoms create_atoms CPU = 0.001 seconds mass * 28.06 velocity all create $t 5287287 loop geom velocity all create 1800 5287287 loop geom # Equilibrate using Tersoff model for silicon pair_style tersoff pair_coeff * * Si.tersoff Si Si Si Si Si Si Si Si Reading tersoff potential file Si.tersoff with DATE: 2007-10-25 thermo_style custom step temp epair etotal econserve press thermo 10 fix 1 all nvt temp $t $t 0.1 fix 1 all nvt temp 1800 $t 0.1 fix 1 all nvt temp 1800 1800 0.1 timestep 1.0e-3 neighbor 1.0 bin neigh_modify every 1 delay 10 check yes run 100 Neighbor list info ... update every 1 steps, delay 10 steps, check yes max neighbors/atom: 2000, page size: 100000 master list distance cutoff = 4.2 ghost atom cutoff = 4.2 binsize = 2.1, bins = 11 11 11 1 neighbor lists, perpetual/occasional/extra = 1 0 0 (1) pair tersoff, perpetual attributes: full, newton on pair build: full/bin/atomonly stencil: full/bin/3d bin: standard Per MPI rank memory allocation (min/avg/max) = 2.958 | 2.958 | 2.958 Mbytes Step Temp E_pair TotEng Econserve Press 0 1800 -2370.771 -2251.8775 -2251.8775 12511.419 10 1144.7447 -2327.3227 -2251.7101 -2251.7759 21852.599 20 770.19243 -2302.1547 -2251.282 -2251.7633 22286.587 30 1059.4324 -2320.1988 -2250.2213 -2251.8159 6242.222 40 1000.972 -2314.6531 -2248.5369 -2251.796 -3069.9273 50 803.91758 -2300.1702 -2247.0699 -2251.7834 -7154.1383 60 761.38639 -2296.1731 -2245.882 -2251.7928 -14520.921 70 750.57677 -2294.3086 -2244.7316 -2251.7965 -21400.198 80 676.66672 -2288.2634 -2243.5683 -2251.7899 -23480.201 90 640.24103 -2284.6678 -2242.3786 -2251.7848 -20659.983 100 742.67188 -2290.0616 -2241.0067 -2251.7855 -16211.799 Loop time of 0.130429 on 4 procs for 100 steps with 512 atoms Performance: 66.243 ns/day, 0.362 hours/ns, 766.701 timesteps/s 96.2% CPU use with 4 MPI tasks x 1 OpenMP threads MPI task timing breakdown: Section | min time | avg time | max time |%varavg| %total --------------------------------------------------------------- Pair | 0.10994 | 0.11386 | 0.11991 | 1.1 | 87.30 Neigh | 0.0005877 | 0.00059474 | 0.00059915 | 0.0 | 0.46 Comm | 0.0072911 | 0.013476 | 0.017439 | 3.4 | 10.33 Output | 0.00014305 | 0.00022113 | 0.00045156 | 0.0 | 0.17 Modify | 0.0015786 | 0.0016485 | 0.0017092 | 0.1 | 1.26 Other | | 0.0006239 | | | 0.48 Nlocal: 128.000 ave 131 max 126 min Histogram: 2 0 0 0 0 0 1 0 0 1 Nghost: 447.750 ave 453 max 440 min Histogram: 1 0 0 0 0 1 0 0 1 1 Neighs: 0.00000 ave 0 max 0 min Histogram: 4 0 0 0 0 0 0 0 0 0 FullNghs: 2101.00 ave 2152 max 2032 min Histogram: 1 0 0 1 0 0 0 0 0 2 Total # of neighbors = 8404 Ave neighs/atom = 16.414062 Neighbor list builds = 2 Dangerous builds = 0 write_restart restart.equil System init for write_restart ... # Test Tersoff/Mod model for Si clear using 1 OpenMP thread(s) per MPI task read_restart restart.equil Reading restart file ... restart file = 24 Dec 2020, LAMMPS = 24 Dec 2020 restoring atom style atomic from restart orthogonal box = (0.0000000 0.0000000 0.0000000) to (21.724000 21.724000 21.724000) 1 by 2 by 2 MPI processor grid pair style tersoff stores no restart info 512 atoms read_restart CPU = 0.001 seconds pair_style tersoff/mod pair_coeff * * Si.tersoff.mod Si Si Si Si Si Si Si Si Reading tersoff/mod potential file Si.tersoff.mod with DATE: 2013-07-26 thermo_style custom step temp epair etotal econserve press thermo 10 fix 1 all nvt temp $t $t 0.1 fix 1 all nvt temp 1800 $t 0.1 fix 1 all nvt temp 1800 1800 0.1 Resetting global fix info from restart file: fix style: nvt, fix ID: 1 timestep 1.0e-3 neighbor 1.0 bin neigh_modify every 1 delay 10 check yes run 100 All restart file global fix info was re-assigned Neighbor list info ... update every 1 steps, delay 10 steps, check yes max neighbors/atom: 2000, page size: 100000 master list distance cutoff = 4.3 ghost atom cutoff = 4.3 binsize = 2.15, bins = 11 11 11 1 neighbor lists, perpetual/occasional/extra = 1 0 0 (1) pair tersoff/mod, perpetual attributes: full, newton on pair build: full/bin/atomonly stencil: full/bin/3d bin: standard Per MPI rank memory allocation (min/avg/max) = 2.949 | 2.950 | 2.950 Mbytes Step Temp E_pair TotEng Econserve Press 100 742.67188 -2210.6446 -2161.5897 -2172.3685 -6444.2163 110 1135.5853 -2234.6974 -2159.6898 -2172.3908 113.80404 120 1462.8415 -2253.8186 -2157.1951 -2172.3853 10922.229 130 1755.9617 -2270.5152 -2154.5306 -2172.3964 18780.707 140 1895.1939 -2277.1484 -2151.9672 -2172.3965 22357.106 150 1869.5375 -2273.2734 -2149.7868 -2172.3851 22616.492 160 1824.0448 -2268.4342 -2147.9525 -2172.393 19254.299 170 1637.9038 -2254.5219 -2146.3352 -2172.3815 15904.928 180 1451.9871 -2240.7199 -2144.8134 -2172.3771 12064.754 190 1362.8248 -2233.1942 -2143.177 -2172.3789 7970.534 200 1341.1467 -2229.8951 -2141.3097 -2172.3717 6244.8542 Loop time of 0.128801 on 4 procs for 100 steps with 512 atoms Performance: 67.080 ns/day, 0.358 hours/ns, 776.389 timesteps/s 97.2% CPU use with 4 MPI tasks x 1 OpenMP threads MPI task timing breakdown: Section | min time | avg time | max time |%varavg| %total --------------------------------------------------------------- Pair | 0.10866 | 0.11135 | 0.1163 | 0.9 | 86.45 Neigh | 0.0011961 | 0.001219 | 0.0012498 | 0.1 | 0.95 Comm | 0.0087612 | 0.013886 | 0.016597 | 2.6 | 10.78 Output | 0.00013447 | 0.00028586 | 0.000736 | 0.0 | 0.22 Modify | 0.0014391 | 0.0015088 | 0.0015388 | 0.1 | 1.17 Other | | 0.0005538 | | | 0.43 Nlocal: 128.000 ave 135 max 123 min Histogram: 1 1 0 0 0 1 0 0 0 1 Nghost: 491.500 ave 499 max 486 min Histogram: 1 0 1 0 1 0 0 0 0 1 Neighs: 0.00000 ave 0 max 0 min Histogram: 4 0 0 0 0 0 0 0 0 0 FullNghs: 2311.00 ave 2457 max 2192 min Histogram: 1 0 0 1 1 0 0 0 0 1 Total # of neighbors = 9244 Ave neighs/atom = 18.054688 Neighbor list builds = 4 Dangerous builds = 0 # Test Tersoff/Mod/C model for Si clear using 1 OpenMP thread(s) per MPI task read_restart restart.equil Reading restart file ... restart file = 24 Dec 2020, LAMMPS = 24 Dec 2020 restoring atom style atomic from restart orthogonal box = (0.0000000 0.0000000 0.0000000) to (21.724000 21.724000 21.724000) 1 by 2 by 2 MPI processor grid pair style tersoff stores no restart info 512 atoms read_restart CPU = 0.001 seconds newton on on pair_style tersoff/mod/c pair_coeff * * Si.tersoff.modc Si Si Si Si Si Si Si Si Reading tersoff/mod/c potential file Si.tersoff.modc with DATE: 2016-11-09 thermo_style custom step temp epair etotal econserve press thermo 10 fix 1 all nvt temp $t $t 0.1 fix 1 all nvt temp 1800 $t 0.1 fix 1 all nvt temp 1800 1800 0.1 Resetting global fix info from restart file: fix style: nvt, fix ID: 1 timestep 1.0e-3 neighbor 1.0 bin neigh_modify every 1 delay 10 check yes run 100 All restart file global fix info was re-assigned Neighbor list info ... update every 1 steps, delay 10 steps, check yes max neighbors/atom: 2000, page size: 100000 master list distance cutoff = 4.205694 ghost atom cutoff = 4.205694 binsize = 2.102847, bins = 11 11 11 1 neighbor lists, perpetual/occasional/extra = 1 0 0 (1) pair tersoff/mod/c, perpetual attributes: full, newton on pair build: full/bin/atomonly stencil: full/bin/3d bin: standard Per MPI rank memory allocation (min/avg/max) = 2.949 | 2.949 | 2.949 Mbytes Step Temp E_pair TotEng Econserve Press 100 742.67188 -2221.9308 -2172.8759 -2183.6547 -11721.269 110 1106.895 -2244.1196 -2171.007 -2183.6843 -2359.7819 120 1327.6674 -2256.3155 -2168.6205 -2183.6767 7904.6604 130 1487.0219 -2264.3656 -2166.1449 -2183.6707 14660.783 140 1709.1746 -2276.4761 -2163.5818 -2183.6886 19298.791 150 1710.6528 -2274.1129 -2161.1209 -2183.6764 22026.559 160 1651.0659 -2267.9877 -2158.9316 -2183.6699 20916.722 170 1632.7705 -2264.7081 -2156.8605 -2183.6777 17339.031 180 1477.693 -2252.4683 -2154.8638 -2183.6706 12563.594 190 1310.8768 -2239.5419 -2152.9559 -2183.6581 9591.0484 200 1356.7172 -2240.5315 -2150.9177 -2183.668 5584.6734 Loop time of 0.131975 on 4 procs for 100 steps with 512 atoms Performance: 65.467 ns/day, 0.367 hours/ns, 757.717 timesteps/s 97.2% CPU use with 4 MPI tasks x 1 OpenMP threads MPI task timing breakdown: Section | min time | avg time | max time |%varavg| %total --------------------------------------------------------------- Pair | 0.11186 | 0.11507 | 0.11812 | 0.7 | 87.19 Neigh | 0.0011823 | 0.0011939 | 0.0012088 | 0.0 | 0.90 Comm | 0.010214 | 0.0134 | 0.016663 | 2.0 | 10.15 Output | 0.000139 | 0.000296 | 0.00076294 | 0.0 | 0.22 Modify | 0.0014501 | 0.0014552 | 0.0014606 | 0.0 | 1.10 Other | | 0.0005632 | | | 0.43 Nlocal: 128.000 ave 133 max 124 min Histogram: 1 0 1 0 0 1 0 0 0 1 Nghost: 459.000 ave 470 max 452 min Histogram: 1 0 2 0 0 0 0 0 0 1 Neighs: 0.00000 ave 0 max 0 min Histogram: 4 0 0 0 0 0 0 0 0 0 FullNghs: 2103.50 ave 2204 max 2014 min Histogram: 1 0 0 1 0 1 0 0 0 1 Total # of neighbors = 8414 Ave neighs/atom = 16.433594 Neighbor list builds = 4 Dangerous builds = 0 # Test Tersoff model for B/N/C clear using 1 OpenMP thread(s) per MPI task read_restart restart.equil Reading restart file ... restart file = 24 Dec 2020, LAMMPS = 24 Dec 2020 restoring atom style atomic from restart orthogonal box = (0.0000000 0.0000000 0.0000000) to (21.724000 21.724000 21.724000) 1 by 2 by 2 MPI processor grid pair style tersoff stores no restart info 512 atoms read_restart CPU = 0.007 seconds variable fac equal 0.6 change_box all x scale ${fac} y scale ${fac} z scale ${fac} remap change_box all x scale 0.6 y scale ${fac} z scale ${fac} remap change_box all x scale 0.6 y scale 0.6 z scale ${fac} remap change_box all x scale 0.6 y scale 0.6 z scale 0.6 remap Changing box ... orthogonal box = (4.3448000 0.0000000 0.0000000) to (17.379200 21.724000 21.724000) orthogonal box = (4.3448000 4.3448000 0.0000000) to (17.379200 17.379200 21.724000) orthogonal box = (4.3448000 4.3448000 4.3448000) to (17.379200 17.379200 17.379200) pair_style tersoff pair_coeff * * BNC.tersoff N N N C B B C B Reading tersoff potential file BNC.tersoff with DATE: 2013-03-21 thermo_style custom step temp epair etotal econserve press thermo 10 fix 1 all nvt temp $t $t 0.1 fix 1 all nvt temp 1800 $t 0.1 fix 1 all nvt temp 1800 1800 0.1 Resetting global fix info from restart file: fix style: nvt, fix ID: 1 timestep 1.0e-3 neighbor 1.0 bin neigh_modify every 1 delay 10 check yes run 100 All restart file global fix info was re-assigned Neighbor list info ... update every 1 steps, delay 10 steps, check yes max neighbors/atom: 2000, page size: 100000 master list distance cutoff = 3.1 ghost atom cutoff = 3.1 binsize = 1.55, bins = 9 9 9 1 neighbor lists, perpetual/occasional/extra = 1 0 0 (1) pair tersoff, perpetual attributes: full, newton on pair build: full/bin/atomonly stencil: full/bin/3d bin: standard Per MPI rank memory allocation (min/avg/max) = 2.952 | 2.952 | 2.952 Mbytes Step Temp E_pair TotEng Econserve Press 100 742.67188 -2973.8527 -2924.7978 -2935.5766 3438975.9 110 4061.1085 -3183.2489 -2915.0049 -2930.1208 2211712.7 120 4120.3231 -3187.0108 -2914.8555 -2928.3047 2166764.3 130 3602.7602 -3158.5939 -2920.6246 -2926.6167 2244475.7 140 3222.7773 -3141.7275 -2928.8568 -2925.5369 2161607 150 3487.4703 -3163.7495 -2933.3954 -2921.2462 2222150.2 160 3436.3009 -3169.4234 -2942.449 -2920.8775 2144368.7 170 3308.1796 -3170.3773 -2951.8656 -2920.8967 2223612.9 180 3304.3776 -3178.7805 -2960.52 -2920.102 2072546.6 190 3217.3561 -3180.7963 -2968.2837 -2918.4548 2118776.2 200 3041.6832 -3176.1794 -2975.2703 -2916.5787 2130124.6 Loop time of 0.171186 on 4 procs for 100 steps with 512 atoms Performance: 50.471 ns/day, 0.476 hours/ns, 584.160 timesteps/s 96.4% CPU use with 4 MPI tasks x 1 OpenMP threads MPI task timing breakdown: Section | min time | avg time | max time |%varavg| %total --------------------------------------------------------------- Pair | 0.14009 | 0.14402 | 0.15181 | 1.2 | 84.13 Neigh | 0.0023134 | 0.0024782 | 0.0026977 | 0.3 | 1.45 Comm | 0.013972 | 0.02211 | 0.026362 | 3.3 | 12.92 Output | 0.00015235 | 0.0003258 | 0.00084186 | 0.0 | 0.19 Modify | 0.0016432 | 0.0017257 | 0.0018435 | 0.2 | 1.01 Other | | 0.0005236 | | | 0.31 Nlocal: 128.000 ave 132 max 123 min Histogram: 1 0 0 0 1 0 0 1 0 1 Nghost: 543.000 ave 548 max 535 min Histogram: 1 0 0 0 0 0 1 0 1 1 Neighs: 0.00000 ave 0 max 0 min Histogram: 4 0 0 0 0 0 0 0 0 0 FullNghs: 3690.00 ave 3811 max 3529 min Histogram: 1 0 0 0 0 1 0 1 0 1 Total # of neighbors = 14760 Ave neighs/atom = 28.828125 Neighbor list builds = 6 Dangerous builds = 0 # Test Tersoff model for B/N/C clear using 1 OpenMP thread(s) per MPI task read_restart restart.equil Reading restart file ... restart file = 24 Dec 2020, LAMMPS = 24 Dec 2020 restoring atom style atomic from restart orthogonal box = (0.0000000 0.0000000 0.0000000) to (21.724000 21.724000 21.724000) 1 by 2 by 2 MPI processor grid pair style tersoff stores no restart info 512 atoms read_restart CPU = 0.001 seconds variable fac equal 0.6 change_box all x scale ${fac} y scale ${fac} z scale ${fac} remap change_box all x scale 0.6 y scale ${fac} z scale ${fac} remap change_box all x scale 0.6 y scale 0.6 z scale ${fac} remap change_box all x scale 0.6 y scale 0.6 z scale 0.6 remap Changing box ... orthogonal box = (4.3448000 0.0000000 0.0000000) to (17.379200 21.724000 21.724000) orthogonal box = (4.3448000 4.3448000 0.0000000) to (17.379200 17.379200 21.724000) orthogonal box = (4.3448000 4.3448000 4.3448000) to (17.379200 17.379200 17.379200) pair_style tersoff shift 0.05 pair_coeff * * BNC.tersoff N N N C B B C B Reading tersoff potential file BNC.tersoff with DATE: 2013-03-21 thermo_style custom step temp epair etotal econserve press thermo 10 fix 1 all nvt temp $t $t 0.1 fix 1 all nvt temp 1800 $t 0.1 fix 1 all nvt temp 1800 1800 0.1 Resetting global fix info from restart file: fix style: nvt, fix ID: 1 timestep 1.0e-3 neighbor 1.0 bin neigh_modify every 1 delay 10 check yes run 100 All restart file global fix info was re-assigned Neighbor list info ... update every 1 steps, delay 10 steps, check yes max neighbors/atom: 2000, page size: 100000 master list distance cutoff = 3.1 ghost atom cutoff = 3.1 binsize = 1.55, bins = 9 9 9 1 neighbor lists, perpetual/occasional/extra = 1 0 0 (1) pair tersoff, perpetual attributes: full, newton on pair build: full/bin/atomonly stencil: full/bin/3d bin: standard Per MPI rank memory allocation (min/avg/max) = 2.952 | 2.952 | 2.952 Mbytes Step Temp E_pair TotEng Econserve Press 100 742.67188 -3294.0266 -3244.9717 -3255.7505 1615779.4 110 2870.7114 -3432.8485 -3243.2324 -3257.629 1053310.6 120 2898.0798 -3431.4968 -3240.0731 -3256.6851 1223402.3 130 2708.4483 -3419.0142 -3240.1159 -3256.436 1105893.8 140 2307.8661 -3394.1268 -3241.6877 -3256.1686 1148075.8 150 2215.3423 -3390.1427 -3243.8151 -3255.8733 1138540 160 2515.488 -3412.6704 -3246.5175 -3255.1731 1122902.8 170 2485.7109 -3415.0402 -3250.8542 -3255.3787 1097748.5 180 2327.476 -3408.2463 -3254.512 -3254.6537 1061602.6 190 2339.5966 -3413.3961 -3258.8612 -3254.7496 1088059 200 2260.5961 -3411.477 -3262.1603 -3254.0771 1104581.5 Loop time of 0.15156 on 4 procs for 100 steps with 512 atoms Performance: 57.007 ns/day, 0.421 hours/ns, 659.806 timesteps/s 96.9% CPU use with 4 MPI tasks x 1 OpenMP threads MPI task timing breakdown: Section | min time | avg time | max time |%varavg| %total --------------------------------------------------------------- Pair | 0.12637 | 0.13067 | 0.13398 | 0.8 | 86.22 Neigh | 0.0019262 | 0.0020029 | 0.0021148 | 0.2 | 1.32 Comm | 0.012843 | 0.01629 | 0.020752 | 2.2 | 10.75 Output | 0.00014877 | 0.00030798 | 0.00078011 | 0.0 | 0.20 Modify | 0.0015197 | 0.0016043 | 0.0017824 | 0.3 | 1.06 Other | | 0.0006804 | | | 0.45 Nlocal: 128.000 ave 133 max 123 min Histogram: 1 0 0 1 0 0 0 1 0 1 Nghost: 535.250 ave 542 max 531 min Histogram: 1 0 2 0 0 0 0 0 0 1 Neighs: 0.00000 ave 0 max 0 min Histogram: 4 0 0 0 0 0 0 0 0 0 FullNghs: 3669.00 ave 3822 max 3522 min Histogram: 1 0 0 1 0 0 1 0 0 1 Total # of neighbors = 14676 Ave neighs/atom = 28.664062 Neighbor list builds = 5 Dangerous builds = 0 Total wall time: 0:00:00