extern "C" magma_int_t
magma_ccuspaxpy(
magmaFloatComplex *alpha, magma_c_matrix A,
magmaFloatComplex *beta, magma_c_matrix B,
magma_c_matrix *AB,
magma_queue_t queue )
{
magma_int_t info = 0;
magma_c_matrix C={Magma_CSR};
C.num_rows = A.num_rows;
C.num_cols = A.num_cols;
C.storage_type = A.storage_type;
C.memory_location = A.memory_location;
C.val = NULL;
C.col = NULL;
C.row = NULL;
C.rowidx = NULL;
C.blockinfo = NULL;
C.diag = NULL;
C.dval = NULL;
C.dcol = NULL;
C.drow = NULL;
C.drowidx = NULL;
C.ddiag = NULL;
magma_index_t base_t, nnz_t, baseC;
cusparseHandle_t handle=NULL;
cusparseMatDescr_t descrA=NULL;
cusparseMatDescr_t descrB=NULL;
cusparseMatDescr_t descrC=NULL;
if ( A.memory_location == Magma_DEV
&& B.memory_location == Magma_DEV
&& ( A.storage_type == Magma_CSR ||
A.storage_type == Magma_CSRCOO )
&& ( B.storage_type == Magma_CSR ||
B.storage_type == Magma_CSRCOO ) ) {
// CUSPARSE context //
CHECK_CUSPARSE( cusparseCreate( &handle ));
CHECK_CUSPARSE( cusparseSetStream( handle, queue ));
CHECK_CUSPARSE( cusparseCreateMatDescr( &descrA ));
CHECK_CUSPARSE( cusparseCreateMatDescr( &descrB ));
CHECK_CUSPARSE( cusparseCreateMatDescr( &descrC ));
CHECK_CUSPARSE( cusparseSetMatType( descrA, CUSPARSE_MATRIX_TYPE_GENERAL ));
CHECK_CUSPARSE( cusparseSetMatType( descrB, CUSPARSE_MATRIX_TYPE_GENERAL ));
CHECK_CUSPARSE( cusparseSetMatType( descrC, CUSPARSE_MATRIX_TYPE_GENERAL ));
CHECK_CUSPARSE( cusparseSetMatIndexBase( descrA, CUSPARSE_INDEX_BASE_ZERO ));
CHECK_CUSPARSE( cusparseSetMatIndexBase( descrB, CUSPARSE_INDEX_BASE_ZERO ));
CHECK_CUSPARSE( cusparseSetMatIndexBase( descrC, CUSPARSE_INDEX_BASE_ZERO ));
// nnzTotalDevHostPtr points to host memory
magma_index_t *nnzTotalDevHostPtr = (magma_index_t*) &C.nnz;
CHECK_CUSPARSE( cusparseSetPointerMode( handle, CUSPARSE_POINTER_MODE_HOST ));
CHECK( magma_index_malloc( &C.drow, (A.num_rows + 1) ));
CHECK_CUSPARSE( cusparseXcsrgeamNnz( handle, A.num_rows, A.num_cols,
descrA, A.nnz, A.drow, A.dcol,
descrB, B.nnz, B.drow, B.dcol,
descrC, C.row, nnzTotalDevHostPtr ));
if (NULL != nnzTotalDevHostPtr) {
C.nnz = *nnzTotalDevHostPtr;
} else {
// workaround as nnz and base C are magma_int_t
magma_index_getvector( 1, C.drow+C.num_rows, 1, &nnz_t, 1 );
magma_index_getvector( 1, C.drow, 1, &base_t, 1 );
C.nnz = (magma_int_t) nnz_t;
baseC = (magma_int_t) base_t;
C.nnz -= baseC;
}
CHECK( magma_index_malloc( &C.dcol, C.nnz ));
CHECK( magma_cmalloc( &C.dval, C.nnz ));
CHECK_CUSPARSE( cusparseCcsrgeam( handle, A.num_rows, A.num_cols,
alpha,
descrA, A.nnz,
A.dval, A.drow, A.dcol,
beta,
descrB, B.nnz,
B.dval, B.drow, B.dcol,
descrC,
C.dval, C.drow, C.dcol ));
// end CUSPARSE context //
CHECK( magma_cmtransfer( C, AB, Magma_DEV, Magma_DEV, queue ));
}
else {
info = MAGMA_ERR_NOT_SUPPORTED;
}
cleanup:
cusparseDestroyMatDescr( descrA );
cusparseDestroyMatDescr( descrB );
cusparseDestroyMatDescr( descrC );
cusparseDestroy( handle );
magma_cmfree( &C, queue );
return info;
}
extern "C" magma_int_t
magma_ccuspaxpy(
magmaFloatComplex *alpha, magma_c_sparse_matrix A,
magmaFloatComplex *beta, magma_c_sparse_matrix B,
magma_c_sparse_matrix *AB,
magma_queue_t queue )
{
if ( A.memory_location == Magma_DEV
&& B.memory_location == Magma_DEV
&& ( A.storage_type == Magma_CSR ||
A.storage_type == Magma_CSRCOO )
&& ( B.storage_type == Magma_CSR ||
B.storage_type == Magma_CSRCOO ) ) {
magma_c_sparse_matrix C;
C.num_rows = A.num_rows;
C.num_cols = A.num_cols;
C.storage_type = A.storage_type;
C.memory_location = A.memory_location;
magma_int_t stat_dev = 0;
C.val = NULL;
C.col = NULL;
C.row = NULL;
C.rowidx = NULL;
C.blockinfo = NULL;
C.diag = NULL;
C.dval = NULL;
C.dcol = NULL;
C.drow = NULL;
C.drowidx = NULL;
C.ddiag = NULL;
// CUSPARSE context //
cusparseHandle_t handle;
cusparseStatus_t cusparseStatus;
cusparseStatus = cusparseCreate(&handle);
cusparseSetStream( handle, queue );
if (cusparseStatus != 0) printf("error in Handle.\n");
cusparseMatDescr_t descrA;
cusparseMatDescr_t descrB;
cusparseMatDescr_t descrC;
cusparseStatus = cusparseCreateMatDescr(&descrA);
cusparseStatus = cusparseCreateMatDescr(&descrB);
cusparseStatus = cusparseCreateMatDescr(&descrC);
if (cusparseStatus != 0) printf("error in MatrDescr.\n");
cusparseStatus =
cusparseSetMatType(descrA,CUSPARSE_MATRIX_TYPE_GENERAL);
cusparseSetMatType(descrB,CUSPARSE_MATRIX_TYPE_GENERAL);
cusparseSetMatType(descrC,CUSPARSE_MATRIX_TYPE_GENERAL);
if (cusparseStatus != 0) printf("error in MatrType.\n");
cusparseStatus =
cusparseSetMatIndexBase(descrA,CUSPARSE_INDEX_BASE_ZERO);
cusparseSetMatIndexBase(descrB,CUSPARSE_INDEX_BASE_ZERO);
cusparseSetMatIndexBase(descrC,CUSPARSE_INDEX_BASE_ZERO);
if (cusparseStatus != 0) printf("error in IndexBase.\n");
// multiply A and B on the device
magma_int_t baseC;
// nnzTotalDevHostPtr points to host memory
magma_index_t *nnzTotalDevHostPtr = (magma_index_t*) &C.nnz;
cusparseSetPointerMode(handle, CUSPARSE_POINTER_MODE_HOST);
stat_dev += magma_index_malloc( &C.drow, (A.num_rows + 1) );
cusparseXcsrgeamNnz(handle,A.num_rows, A.num_cols,
descrA, A.nnz, A.drow, A.dcol,
descrB, B.nnz, B.drow, B.dcol,
descrC, C.row, nnzTotalDevHostPtr);
if (NULL != nnzTotalDevHostPtr) {
C.nnz = *nnzTotalDevHostPtr;
} else {
// workaround as nnz and base C are magma_int_t
magma_index_t base_t, nnz_t;
magma_index_getvector( 1, C.drow+C.num_rows, 1, &nnz_t, 1 );
magma_index_getvector( 1, C.drow, 1, &base_t, 1 );
C.nnz = (magma_int_t) nnz_t;
baseC = (magma_int_t) base_t;
C.nnz -= baseC;
}
stat_dev += magma_index_malloc( &C.dcol, C.nnz );
stat_dev += magma_cmalloc( &C.dval, C.nnz );
if( stat_dev != 0 ){
magma_c_mfree( &C, queue );
return MAGMA_ERR_DEVICE_ALLOC;
}
cusparseCcsrgeam(handle, A.num_rows, A.num_cols,
alpha,
descrA, A.nnz,
A.dval, A.drow, A.dcol,
beta,
descrB, B.nnz,
B.dval, B.drow, B.dcol,
descrC,
C.dval, C.drow, C.dcol);
cusparseDestroyMatDescr( descrA );
cusparseDestroyMatDescr( descrB );
cusparseDestroyMatDescr( descrC );
cusparseDestroy( handle );
// end CUSPARSE context //
magma_c_mtransfer( C, AB, Magma_DEV, Magma_DEV, queue );
magma_c_mfree( &C, queue );
return MAGMA_SUCCESS;
}
else {
printf("error: CSRSPAXPY only supported on device and CSR format.\n");
return MAGMA_SUCCESS;
}
}