extern "C" magma_int_t
magma_ccuspmm(
magma_c_sparse_matrix A, 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 = B.num_cols;
C.storage_type = A.storage_type;
C.memory_location = A.memory_location;
C.fill_mode = Magma_FULL;
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) );
cusparseXcsrgemmNnz(handle, CUSPARSE_OPERATION_NON_TRANSPOSE,
CUSPARSE_OPERATION_NON_TRANSPOSE,
A.num_rows, A.num_rows, A.num_rows,
descrA, A.nnz, A.drow, A.dcol,
descrB, B.nnz, B.drow, B.dcol,
descrC, C.drow, 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;
}
cusparseCcsrgemm(handle, CUSPARSE_OPERATION_NON_TRANSPOSE,
CUSPARSE_OPERATION_NON_TRANSPOSE,
A.num_rows, A.num_rows, A.num_rows,
descrA, A.nnz,
A.dval, A.drow, A.dcol,
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: CSRMM only supported on device and CSR format.\n");
return MAGMA_SUCCESS;
}
}
extern "C" magma_int_t
magma_zcuspmm(
magma_z_matrix A, magma_z_matrix B,
magma_z_matrix *AB,
magma_queue_t queue )
{
magma_int_t info = 0;
magma_z_matrix C={Magma_CSR};
C.num_rows = A.num_rows;
C.num_cols = B.num_cols;
C.storage_type = A.storage_type;
C.memory_location = A.memory_location;
C.fill_mode = MagmaFull;
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->cuda_stream() ));
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( cusparseXcsrgemmNnz( handle, CUSPARSE_OPERATION_NON_TRANSPOSE,
CUSPARSE_OPERATION_NON_TRANSPOSE,
A.num_rows, B.num_cols, A.num_cols,
descrA, A.nnz, A.drow, A.dcol,
descrB, B.nnz, B.drow, B.dcol,
descrC, C.drow, 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, queue );
magma_index_getvector( 1, C.drow, 1, &base_t, 1, queue );
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_zmalloc( &C.dval, C.nnz ));
CHECK_CUSPARSE( cusparseZcsrgemm( handle, CUSPARSE_OPERATION_NON_TRANSPOSE,
CUSPARSE_OPERATION_NON_TRANSPOSE,
A.num_rows, B.num_cols, A.num_cols,
descrA, A.nnz,
A.dval, A.drow, A.dcol,
descrB, B.nnz,
B.dval, B.drow, B.dcol,
descrC,
C.dval, C.drow, C.dcol ));
// end CUSPARSE context //
//magma_device_sync();
magma_queue_sync( queue );
CHECK( magma_zmtransfer( C, AB, Magma_DEV, Magma_DEV, queue ));
}
else {
info = MAGMA_ERR_NOT_SUPPORTED;
}
cleanup:
cusparseDestroyMatDescr( descrA );
cusparseDestroyMatDescr( descrB );
cusparseDestroyMatDescr( descrC );
cusparseDestroy( handle );
magma_zmfree( &C, queue );
return info;
}
void cuSPARSE_symbolic(
KernelHandle *handle,
typename KernelHandle::row_lno_t m,
typename KernelHandle::row_lno_t n,
typename KernelHandle::row_lno_t k,
in_row_index_view_type row_mapA,
in_nonzero_index_view_type entriesA,
bool transposeA,
in_row_index_view_type row_mapB,
in_nonzero_index_view_type entriesB,
bool transposeB,
typename in_row_index_view_type::non_const_type &row_mapC,
typename in_nonzero_index_view_type::non_const_type &entriesC){
#ifdef KERNELS_HAVE_CUSPARSE
typedef typename in_row_index_view_type::device_type device1;
typedef typename in_nonzero_index_view_type::device_type device2;
typedef typename KernelHandle::row_lno_t idx;
typedef typename in_row_index_view_type::non_const_type idx_array_type;
if (Kokkos::Impl::is_same<Kokkos::Cuda, device1 >::value){
std::cerr << "MEMORY IS NOT ALLOCATED IN GPU DEVICE for CUSPARSE" << std::endl;
return;
}
if (Kokkos::Impl::is_same<Kokkos::Cuda, device2 >::value){
std::cerr << "MEMORY IS NOT ALLOCATED IN GPU DEVICE for CUSPARSE" << std::endl;
return;
}
if (Kokkos::Impl::is_same<idx, int>::value){
row_mapC = idx_array_type("rowMapC", m + 1);
const idx *a_xadj = row_mapA.ptr_on_device();
const idx *b_xadj = row_mapB.ptr_on_device();
idx *c_xadj = row_mapC.ptr_on_device();
const idx *a_adj = entriesA.ptr_on_device();
const idx *b_adj = entriesB.ptr_on_device();
handle->create_cuSPARSE_Handle(transposeA, transposeB);
typename KernelHandle::SPGEMMcuSparseHandleType *h = handle->get_cuSparseHandle();
int nnzA = entriesA.dimension_0();
int nnzB = entriesB.dimension_0();
int baseC, nnzC;
int *nnzTotalDevHostPtr = &nnzC;
cusparseXcsrgemmNnz(h->handle,
h->transA,
h->transB,
(int)m,
(int)n,
(int)k,
h->a_descr,
nnzA,
(int *) a_xadj,
(int *)a_adj,
h->b_descr,
nnzB,
(int *)b_xadj,
(int *)b_adj,
h->c_descr,
(int *)c_xadj,
nnzTotalDevHostPtr );
if (NULL != nnzTotalDevHostPtr){
nnzC = *nnzTotalDevHostPtr;
}else{
cudaMemcpy(&nnzC, c_xadj+m, sizeof(int), cudaMemcpyDeviceToHost);
cudaMemcpy(&baseC, c_xadj, sizeof(int), cudaMemcpyDeviceToHost);
nnzC -= baseC;
}
entriesC = in_nonzero_index_view_type("entriesC", nnzC);
}
else {
std::cerr << "CUSPARSE requires integer values" << std::endl;
return;
}
#else
std::cerr << "CUSPARSE IS NOT DEFINED" << std::endl;
return;
#endif
}
