LAMMPS (7 Jan 2012) using 4 OpenMP thread(s) per MPI task 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 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 = 9.60249 Mbytes Step Temp E_vdwl E_coul E_pair TotEng Press 0 1.44 -7.7950294 1.6682611 16.608443 18.767903 8.8792385 100 1.9545379 -6.5470866 1.5100619 15.846736 18.77781 13.955359 200 2.8661874 -5.2926219 1.447384 14.504159 18.802365 18.948423 300 3.1373242 -4.0713835 1.4854902 14.087801 18.792611 23.979836 400 3.186521 -3.4977853 1.5404436 13.999155 18.777741 26.603546 Loop time of 9.7957 on 12 procs (3 MPI x 4 OpenMP) for 400 steps with 4000 atoms Pair time (%) = 7.25356 (74.0485) Kspce time (%) = 1.91946 (19.5949) Neigh time (%) = 0.533807 (5.4494) Comm time (%) = 0.0747116 (0.762698) Outpt time (%) = 0.000141939 (0.00144899) Other time (%) = 0.0140128 (0.143051) FFT time (% of Kspce) = 0.849285 (44.246) FFT Gflps 3d (1d only) = 2.5951 4.47644 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: 527340 ave 601161 max 437147 min Histogram: 1 0 0 0 0 0 1 0 0 1 Total # of neighbors = 1582020 Ave neighs/atom = 395.505 Neighbor list builds = 20 Dangerous builds = 0