LAMMPS (7 Jan 2012) using 4 OpenMP thread(s) per MPI task package gpu force 0 0 1 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 charge newton off lattice fcc 0.8442 Lattice spacing in x,y,z = 1.6796 1.6796 1.6796 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 region half block 0 ${xx} 0 ${yy} 0 4.5 region half block 0 10 0 ${yy} 0 4.5 region half block 0 10 0 10 0 4.5 create_box 2 box Created orthogonal box = (0 0 0) to (16.796 16.796 16.796) 1 by 1 by 3 MPI processor grid create_atoms 1 box Created 4000 atoms group ga region box 4000 atoms in group ga group gp region half 2000 atoms in group gp group gn subtract ga gp 2000 atoms in group gn set group gp charge 0.9 2000 settings made for charge set group gn charge -0.9 2000 settings made for charge set group gn type 2 2000 settings made for type mass 1 1.0 mass 2 1.1 velocity all create 1.44 87287 loop geom pair_style cg/cmm/coul/long/gpu 2.5 5.0 pair_coeff 1 1 lj9_6 1.5 1.1 pair_coeff 1 2 lj12_6 1.0 1.0 pair_coeff 2 2 lj12_4 0.5 0.9 kspace_style pppm 1e-4 neighbor 0.3 bin neigh_modify delay 0 every 20 check no fix 1 all nve timestep 0.001 thermo 100 thermo_style custom step temp evdwl ecoul epair etotal press run 400 PPPM initialization ... G vector = 0.613931 grid = 30 30 30 stencil order = 5 RMS precision = 5.38264e-05 using double precision FFTs brick FFT buffer size/proc = 18375 9000 11025 Memory usage per processor = 11.3463 Mbytes Step Temp E_vdwl E_coul E_pair TotEng Press 0 1.44 -7.7950301 1.6682616 16.608443 18.767903 8.8792402 100 1.954538 -6.5470872 1.5100626 15.846736 18.77781 13.95536 200 2.8661875 -5.2926226 1.4473846 14.504159 18.802365 18.948423 300 3.137324 -4.0713821 1.4854907 14.087803 18.792612 23.97984 400 3.1865204 -3.4977854 1.5404441 13.999155 18.777741 26.603548 Loop time of 2.39139 on 12 procs (3 MPI x 4 OpenMP) for 400 steps with 4000 atoms Pair time (%) = 0.107997 (4.51609) Kspce time (%) = 1.60098 (66.9477) Neigh time (%) = 0.59637 (24.9382) Comm time (%) = 0.0730535 (3.05485) Outpt time (%) = 0.000311375 (0.0130206) Other time (%) = 0.0126798 (0.530227) FFT time (% of Kspce) = 0.836315 (52.2376) FFT Gflps 3d (1d only) = 2.63534 4.45802 Nlocal: 1333.33 ave 1583 max 1066 min Histogram: 1 0 0 0 0 1 0 0 0 1 Nghost: 9108 ave 9520 max 8896 min Histogram: 2 0 0 0 0 0 0 0 0 1 Neighs: 0 ave 0 max 0 min Histogram: 3 0 0 0 0 0 0 0 0 0 FullNghs: 708465 ave 854919 max 545861 min Histogram: 1 0 0 0 0 1 0 0 0 1 Total # of neighbors = 2125394 Ave neighs/atom = 531.348 Neighbor list builds = 20 Dangerous builds = 0