LAMMPS (27 Nov 2018) using 1 OpenMP thread(s) per MPI task # Axilrod-Teller-Muto potential example variable x index 1 variable y index 1 variable z index 1 variable xx equal 10*$x variable xx equal 10*1 variable yy equal 10*$y variable yy equal 10*1 variable zz equal 10*$z variable zz equal 10*1 units lj atom_style atomic lattice fcc 0.65 Lattice spacing in x,y,z = 1.83252 1.83252 1.83252 region box block 0 ${xx} 0 ${yy} 0 ${zz} region box block 0 10 0 ${yy} 0 ${zz} region box block 0 10 0 10 0 ${zz} region box block 0 10 0 10 0 10 create_box 1 box Created orthogonal box = (0 0 0) to (18.3252 18.3252 18.3252) 1 by 2 by 2 MPI processor grid create_atoms 1 box Created 4000 atoms Time spent = 0.000210762 secs pair_style hybrid/overlay lj/cut 4.5 atm 4.5 2.5 pair_coeff * * lj/cut 1.0 1.0 pair_coeff * * atm * 0.072 mass * 1.0 velocity all create 1.033 12345678 loop geom fix 1 all nvt temp 1.033 1.033 0.05 timestep 0.002 thermo 5 run 25 Neighbor list info ... update every 1 steps, delay 10 steps, check yes max neighbors/atom: 2000, page size: 100000 master list distance cutoff = 4.8 ghost atom cutoff = 4.8 binsize = 2.4, bins = 8 8 8 2 neighbor lists, perpetual/occasional/extra = 2 0 0 (1) pair lj/cut, perpetual, half/full from (2) attributes: half, newton on pair build: halffull/newton stencil: none bin: none (2) pair atm, perpetual attributes: full, newton on pair build: full/bin/atomonly stencil: full/bin/3d bin: standard Per MPI rank memory allocation (min/avg/max) = 5.532 | 5.532 | 5.532 Mbytes Step Temp E_pair E_mol TotEng Press 0 1.033 -4.8404387 0 -3.291326 -4.1332095 5 1.0337247 -4.8402263 0 -3.290027 -4.1207962 10 1.0355935 -4.8425889 0 -3.2895869 -4.0870158 15 1.0376519 -4.84599 0 -3.2899013 -4.0278711 20 1.0382257 -4.8478854 0 -3.2909361 -3.9368052 25 1.0347886 -4.84473 0 -3.2929351 -3.8044469 Loop time of 2.95263 on 4 procs for 25 steps with 4000 atoms Performance: 1463.102 tau/day, 8.467 timesteps/s 99.2% CPU use with 4 MPI tasks x 1 OpenMP threads MPI task timing breakdown: Section | min time | avg time | max time |%varavg| %total --------------------------------------------------------------- Pair | 2.8823 | 2.9082 | 2.9447 | 1.4 | 98.49 Neigh | 0 | 0 | 0 | 0.0 | 0.00 Comm | 0.0066586 | 0.043249 | 0.069202 | 11.8 | 1.46 Output | 7.3671e-05 | 0.00015199 | 0.00038099 | 0.0 | 0.01 Modify | 0.00061488 | 0.0006243 | 0.00063872 | 0.0 | 0.02 Other | | 0.0004148 | | | 0.01 Nlocal: 1000 ave 1000 max 1000 min Histogram: 4 0 0 0 0 0 0 0 0 0 Nghost: 5835 ave 5835 max 5835 min Histogram: 4 0 0 0 0 0 0 0 0 0 Neighs: 160000 ave 160000 max 160000 min Histogram: 4 0 0 0 0 0 0 0 0 0 FullNghs: 320000 ave 320000 max 320000 min Histogram: 4 0 0 0 0 0 0 0 0 0 Total # of neighbors = 1280000 Ave neighs/atom = 320 Neighbor list builds = 0 Dangerous builds = 0 Please see the log.cite file for references relevant to this simulation Total wall time: 0:00:03