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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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22
lib/gpu/lal_gauss_ext.cpp
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@ -88,6 +88,28 @@ int gauss_gpu_init(const int ntypes, double **cutsq, double **host_a,
return init_ok;
}
// ---------------------------------------------------------------------------
// Copy updated coeffs from host to device
// ---------------------------------------------------------------------------
void gauss_gpu_reinit(const int ntypes, double **cutsq, double **host_a,
double **host_b, double **offset) {
int world_me=GLMF.device->world_me();
int gpu_rank=GLMF.device->gpu_rank();
int procs_per_gpu=GLMF.device->procs_per_gpu();
if (world_me==0)
GLMF.reinit(ntypes, cutsq, host_a, host_b, offset);
GLMF.device->world_barrier();
for (int i=0; i<procs_per_gpu; i++) {
if (gpu_rank==i && world_me!=0)
GLMF.reinit(ntypes, cutsq, host_a, host_b, offset);
GLMF.device->gpu_barrier();
}
}
void gauss_gpu_clear() {
GLMF.clear();
}