// ---------------------------------------------------------------------------
// Allocate memory on host and device and copy constants to device
// ---------------------------------------------------------------------------
int cmm_gpu_init(const int ntypes, double **cutsq, int **cg_types,
double **host_lj1, double **host_lj2, double **host_lj3,
double **host_lj4, double **offset, double *special_lj,
const int inum, const int nall, const int max_nbors,
const int maxspecial, const double cell_size, int &gpu_mode,
FILE *screen) {
CMMMF.clear();
gpu_mode=CMMMF.device->gpu_mode();
double gpu_split=CMMMF.device->particle_split();
int first_gpu=CMMMF.device->first_device();
int last_gpu=CMMMF.device->last_device();
int world_me=CMMMF.device->world_me();
int gpu_rank=CMMMF.device->gpu_rank();
int procs_per_gpu=CMMMF.device->procs_per_gpu();
CMMMF.device->init_message(screen,"lj/sdk",first_gpu,last_gpu);
bool message=false;
if (CMMMF.device->replica_me()==0 && screen)
message=true;
if (message) {
fprintf(screen,"Initializing Device and compiling on process 0...");
fflush(screen);
}
int init_ok=0;
if (world_me==0)
init_ok=CMMMF.init(ntypes,cutsq,cg_types,host_lj1,host_lj2,host_lj3,
host_lj4, offset, special_lj, inum, nall, 300,
maxspecial, cell_size, gpu_split, screen);
CMMMF.device->world_barrier();
if (message)
fprintf(screen,"Done.\n");
for (int i=0; i<procs_per_gpu; i++) {
if (message) {
if (last_gpu-first_gpu==0)
fprintf(screen,"Initializing Device %d on core %d...",first_gpu,i);
else
fprintf(screen,"Initializing Devices %d-%d on core %d...",first_gpu,
last_gpu,i);
fflush(screen);
}
if (gpu_rank==i && world_me!=0)
init_ok=CMMMF.init(ntypes,cutsq,cg_types,host_lj1,host_lj2,host_lj3,
host_lj4, offset, special_lj, inum, nall, 300,
maxspecial, cell_size, gpu_split, screen);
CMMMF.device->gpu_barrier();
if (message)
fprintf(screen,"Done.\n");
}
if (message)
fprintf(screen,"\n");
if (init_ok==0)
CMMMF.estimate_gpu_overhead();
return init_ok;
}
void cmm_gpu_clear() {
CMMMF.clear();
}
void sdk_gpu_clear() {
CMMMF.clear();
}