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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12146 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp
2014-06-27 17:25:22 +00:00
parent f745f24bcd
commit 67ae64329e
24 changed files with 422 additions and 55 deletions
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23
lib/gpu/lal_lj_expand_ext.cpp
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@ -89,6 +89,29 @@ int lje_gpu_init(const int ntypes, double **cutsq, double **host_lj1,
return init_ok;
}
// ---------------------------------------------------------------------------
// Copy updated coeffs from host to device
// ---------------------------------------------------------------------------
int lje_gpu_reinit(const int ntypes, double **cutsq, double **host_lj1,
double **host_lj2, double **host_lj3, double **host_lj4,
double **offset, double **shift) {
int world_me=LJEMF.device->world_me();
int gpu_rank=LJEMF.device->gpu_rank();
int procs_per_gpu=LJEMF.device->procs_per_gpu();
if (world_me==0)
LJEMF.reinit(ntypes, cutsq, host_lj1, host_lj2, host_lj3, host_lj4,
offset, shift);
LJEMF.device->world_barrier();
for (int i=0; i<procs_per_gpu; i++) {
if (gpu_rank==i && world_me!=0)
LJEMF.reinit(ntypes, cutsq, host_lj1, host_lj2, host_lj3, host_lj4,
offset, shift);
LJEMF.device->gpu_barrier();
}
}
void lje_gpu_clear() {
LJEMF.clear();
}