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cuSparse 라이브러리에 익숙해 지려고합니다. 내 간단한 코드에서 함수 cusparseSnnz은 CUSPARSE_STATUS_INTERNAL_ERROR 인 상태 6을 반환합니다. CUDA 드라이버와 cuSparse 라이브러리가 올바르게 설치되었다고 생각합니다. 누군가가 나를 도울 수 있다면 정말 고마워 할 것입니다. 감사.cuSparse cusparseSnnz 함수가있는 CUSPARSE_STATUS_INTERNAL_ERROR
cusparseStatus_t status;
cusparseHandle_t handle=0;
cusparseMatDescr_t descr=0;
status = cusparseCreate(&handle);
if (status != CUSPARSE_STATUS_SUCCESS) {
cout << "CUSPARSE Library initialization failed" << endl;
}
status = cusparseCreateMatDescr(&descr);
if (status != CUSPARSE_STATUS_SUCCESS) {
cout << "Matrix descriptor initialization failed" << endl;
}
status = cusparseSetMatType(descr, CUSPARSE_MATRIX_TYPE_GENERAL);
if (status != CUSPARSE_STATUS_SUCCESS) {
cout << "cusparseSetMatType failed" << endl;
}
status = cusparseSetMatIndexBase(descr, CUSPARSE_INDEX_BASE_ZERO);
if (status != CUSPARSE_STATUS_SUCCESS) {
cout << "cusparseSetMatIndexBase failed" << endl;
}
int nnzPerRow[2];
int nnzTotal;
float tempf[6];
tempf[0] = 1.0;
tempf[1] = 0.0;
tempf[2] = 3.4;
tempf[3] = 0.0;
tempf[4] = 2.2;
tempf[5] = 8.6;
float* d_Temp;
cudaMalloc((void**)&d_Temp, sizeof(float)*6);
cudaMemcpy(d_Temp, tempf, sizeof(float)*6, cudaMemcpyHostToDevice);
status = cusparseSnnz(handle, CUSPARSE_DIRECTION_ROW, 2, 3, descr, d_Temp, 2, nnzPerRow, &nnzTotal);
if (status != CUSPARSE_STATUS_SUCCESS) {
cout << "nnz calculation failed" << endl;
cout << "status = " << status << endl;
}
cout << "nnzPerRow[0] = " << nnzPerRow[0] << endl;
cout << "nnzPerRow[1] = " << nnzPerRow[1] << endl;