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qp_plugins_scemama/devel/ccsd_gpu/gpu.h

76 lines
1.6 KiB
C

#define MULTIGPU 1
typedef struct {
double* cc_space_v_oo_chol;
double* cc_space_v_ov_chol;
double* cc_space_v_vo_chol;
double* cc_space_v_vv_chol;
double* cc_space_v_oooo;
double* cc_space_v_vooo;
double* cc_space_v_voov;
double* cc_space_v_oovv;
double* cc_space_v_vvoo;
double* cc_space_v_oovo;
double* cc_space_v_ovvo;
double* cc_space_v_ovov;
double* cc_space_v_ovoo;
double* cc_space_f_oo;
double* cc_space_f_ov;
double* cc_space_f_vo;
double* cc_space_f_vv;
double* tau;
double* tau_x;
double* t1;
double* t2;
double* H_oo;
double* H_vo;
double* H_vv;
int nO;
int nV;
int cholesky_mo_num;
} gpu_data;
typedef struct {
float* cc_space_v_oo_chol;
float* cc_space_v_ov_chol;
float* cc_space_v_vo_chol;
float* cc_space_v_vv_chol;
float* cc_space_v_oooo;
float* cc_space_v_vooo;
float* cc_space_v_voov;
float* cc_space_v_oovv;
float* cc_space_v_vvoo;
float* cc_space_v_oovo;
float* cc_space_v_ovvo;
float* cc_space_v_ovov;
float* cc_space_v_ovoo;
float* cc_space_f_oo;
float* cc_space_f_ov;
float* cc_space_f_vo;
float* cc_space_f_vv;
float* tau;
float* tau_x;
float* t1;
float* t2;
float* H_oo;
float* H_vo;
float* H_vv;
int nO;
int nV;
int cholesky_mo_num;
} gpu_data_sp;
static cudaError_t gpu_malloc(void** ptr, size_t size) {
size_t free, total;
cudaError_t rc = cudaMemGetInfo( &free, &total );
if (rc != cudaSuccess) return rc;
if (size < free && size < total/10) {
rc= cudaMalloc(ptr, size);
} else {
rc = cudaMallocManaged(ptr, size, cudaMemAttachGlobal);
}
return rc;
}