lammps/bench/GPU/in.lj.gpu

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# 3d Lennard-Jones melt
# newton off is required for GPU package
# set variable g = 1/2 for 1/2 GPUs
newton off
if "$g == 1" then "package gpu force/neigh 0 0 1"
if "$g == 2" then "package gpu force/neigh 0 1 1"
units lj
atom_style atomic
lattice fcc 0.8442
region box block 0 $x 0 $y 0 $z
create_box 1 box
create_atoms 1 box
mass 1 1.0
velocity all create 1.44 87287 loop geom
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0 2.5
neighbor 0.3 bin
neigh_modify delay 0 every 20 check no
fix 1 all nve
run $t