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|
/*
-- MAGMA (version 2.9.0) --
Univ. of Tennessee, Knoxville
Univ. of California, Berkeley
Univ. of Colorado, Denver
@date January 2025
@generated from sparse/blas/magma_z_blaswrapper.cpp, normal z -> d, Wed Jan 22 14:42:11 2025
@author Hartwig Anzt
*/
#include "magmasparse_internal.h"
#define PRECISION_d
/* For hipSPARSE, they use a separate real type than for hipBLAS */
#if defined(MAGMA_HAVE_HIP)
#ifdef PRECISION_z
#define double double
#elif defined(PRECISION_c)
#define hipblasComplex hipComplex
#endif
#endif
#if CUDA_VERSION >= 12000
#define CUSPARSE_CSRMV_ALG2 CUSPARSE_SPMV_CSR_ALG2
#define CUSPARSE_CSRMV_ALG1 CUSPARSE_SPMV_CSR_ALG1
#define CUSPARSE_CSRMM_ALG1 CUSPARSE_SPMM_CSR_ALG1
#endif
#if CUDA_VERSION >= 11000
// todo: destroy descriptor and see if the original code descriptors have to be changed
#define cusparseDcsrmv(handle, op, rows, cols, nnz, alpha, descr, dval, drow, dcol, x, beta, y) \
{ \
cusparseSpMatDescr_t descrA=NULL; \
cusparseDnVecDescr_t descrX=NULL, descrY=NULL; \
cusparseCreateCsr(&descrA, rows, cols, nnz, \
(void *)drow, (void *)dcol, (void *)dval, \
CUSPARSE_INDEX_32I, CUSPARSE_INDEX_32I, \
CUSPARSE_INDEX_BASE_ZERO, CUDA_R_64F); \
cusparseCreateDnVec(&descrX, cols, x, CUDA_R_64F); \
cusparseCreateDnVec(&descrY, rows, y, CUDA_R_64F); \
\
size_t bufsize; \
void *buf; \
cusparseSpMV_bufferSize(handle, op, \
(void *)alpha, descrA, descrX, (void *)beta, \
descrY, CUDA_R_64F, CUSPARSE_CSRMV_ALG1, &bufsize); \
if (bufsize > 0) \
magma_malloc(&buf, bufsize); \
cusparseSpMV( handle, op, \
(void *)alpha, descrA, descrX, (void *)beta, \
descrY, CUDA_R_64F, CUSPARSE_CSRMV_ALG1, buf); \
if (bufsize > 0) \
magma_free(buf); \
cusparseDestroySpMat(descrA); \
cusparseDestroyDnVec(descrX); \
cusparseDestroyDnVec(descrY); \
}
#else
#define cusparseDcsrmv(handle, op, rows, cols, nnz, alpha, descr, dval, drow, dcol, x, beta, y) \
CHECK_CUSPARSE(cusparseDcsrmv(handle,op,rows,cols,nnz,alpha,descr,dval,drow,dcol,x,beta,y))
#endif
#if CUDA_VERSION >= 11000
#define cusparseDcsrmm(handle, op, rows, num_vecs, cols, nnz, alpha, descr, dval, drow, dcol, \
x, ldx, beta, y, ldy) \
{ \
cusparseSpMatDescr_t descrA=NULL; \
cusparseDnMatDescr_t descrX=NULL, descrY=NULL; \
cusparseCreateCsr(&descrA, rows, cols, nnz, \
(void *)drow, (void *)dcol, (void *)dval, \
CUSPARSE_INDEX_32I, CUSPARSE_INDEX_32I, \
CUSPARSE_INDEX_BASE_ZERO, CUDA_R_64F); \
cusparseCreateDnMat(&descrX, cols, num_vecs, ldx, x, CUDA_R_64F, CUSPARSE_ORDER_COL); \
cusparseCreateDnMat(&descrY, cols, num_vecs, ldy, y, CUDA_R_64F, CUSPARSE_ORDER_COL); \
\
size_t bufsize; \
void *buf; \
cusparseSpMM_bufferSize(handle, op, CUSPARSE_OPERATION_NON_TRANSPOSE, \
(void *)alpha, descrA, descrX, beta, descrY, CUDA_R_64F, \
CUSPARSE_CSRMM_ALG1, &bufsize); \
if (bufsize > 0) \
magma_malloc(&buf, bufsize); \
cusparseSpMM(handle, op, CUSPARSE_OPERATION_NON_TRANSPOSE, \
(void *)alpha, descrA, descrX, beta, descrY, CUDA_R_64F, \
CUSPARSE_CSRMM_ALG1, buf); \
if (bufsize > 0) \
magma_free(buf); \
cusparseDestroySpMat(descrA); \
cusparseDestroyDnMat(descrX); \
cusparseDestroyDnMat(descrY); \
}
#endif
/**
Purpose
-------
For a given input matrix A and vectors x, y and scalars alpha, beta
the wrapper determines the suitable SpMV computing
y = alpha * A * x + beta * y.
Arguments
---------
@param[in]
alpha double
scalar alpha
@param[in]
A magma_d_matrix
sparse matrix A
@param[in]
x magma_d_matrix
input vector x
@param[in]
beta double
scalar beta
@param[out]
y magma_d_matrix
output vector y
@param[in]
queue magma_queue_t
Queue to execute in.
@ingroup magmasparse_dblas
********************************************************************/
extern "C" magma_int_t
magma_d_spmv(
double alpha,
magma_d_matrix A,
magma_d_matrix x,
double beta,
magma_d_matrix y,
magma_queue_t queue )
{
magma_int_t info = 0;
magma_d_matrix x2={Magma_CSR};
magma_d_matrix dA={Magma_CSR};
magma_d_matrix dx={Magma_CSR};
magma_d_matrix dy={Magma_CSR};
cusparseHandle_t cusparseHandle = 0;
cusparseMatDescr_t descr = 0;
// make sure RHS is a dense matrix
if ( x.storage_type != Magma_DENSE ) {
printf("error: only dense vectors are supported for SpMV.\n");
info = MAGMA_ERR_NOT_SUPPORTED;
goto cleanup;
}
if ( A.memory_location != x.memory_location ||
x.memory_location != y.memory_location ) {
printf("error: linear algebra objects are not located in same memory!\n");
printf("memory locations are: %d %d %d\n",
A.memory_location, x.memory_location, y.memory_location );
info = MAGMA_ERR_INVALID_PTR;
goto cleanup;
}
// DEV case
if ( A.memory_location == Magma_DEV ) {
if ( A.num_cols == x.num_rows && x.num_cols == 1 ) {
if ( A.storage_type == Magma_CSR ||
A.storage_type == Magma_CUCSR ||
A.storage_type == Magma_CSRL ||
A.storage_type == Magma_CSRU )
{
cusparseHandle = magma_queue_get_cusparse_handle( queue );
CHECK_CUSPARSE( cusparseCreateMatDescr( &descr ));
CHECK_CUSPARSE( cusparseSetMatType( descr, CUSPARSE_MATRIX_TYPE_GENERAL ));
CHECK_CUSPARSE( cusparseSetMatIndexBase( descr, CUSPARSE_INDEX_BASE_ZERO ));
cusparseDcsrmv( cusparseHandle,CUSPARSE_OPERATION_NON_TRANSPOSE,
A.num_rows, A.num_cols, A.nnz, (double*)&alpha, descr,
(double*)A.dval, A.drow, A.dcol, (double*)x.dval, (double*)&beta, (double*)y.dval );
}
else if ( A.storage_type == Magma_CSC )
{
cusparseHandle = magma_queue_get_cusparse_handle( queue );
CHECK_CUSPARSE( cusparseCreateMatDescr( &descr ));
CHECK_CUSPARSE( cusparseSetMatType( descr, CUSPARSE_MATRIX_TYPE_GENERAL ));
CHECK_CUSPARSE( cusparseSetMatIndexBase( descr, CUSPARSE_INDEX_BASE_ZERO ));
cusparseDcsrmv( cusparseHandle,CUSPARSE_OPERATION_TRANSPOSE,
A.num_rows, A.num_cols, A.nnz, (double*)&alpha, descr,
(double*)A.dval, A.drow, A.dcol, (double*)x.dval, (double*)&beta, (double*)y.dval );
}
else if ( A.storage_type == Magma_ELL ) {
//printf("using ELLPACKT kernel for SpMV: ");
CHECK( magma_dgeelltmv( MagmaNoTrans, A.num_rows, A.num_cols,
A.max_nnz_row, alpha, A.dval, A.dcol, x.dval, beta,
y.dval, queue ));
//printf("done.\n");
}
else if ( A.storage_type == Magma_ELLPACKT ) {
//printf("using ELL kernel for SpMV: ");
CHECK( magma_dgeellmv( MagmaNoTrans, A.num_rows, A.num_cols,
A.max_nnz_row, alpha, A.dval, A.dcol, x.dval, beta,
y.dval, queue ));
//printf("done.\n");
}
else if ( A.storage_type == Magma_ELLRT ) {
//printf("using ELLRT kernel for SpMV: ");
CHECK( magma_dgeellrtmv( MagmaNoTrans, A.num_rows, A.num_cols,
A.max_nnz_row, alpha, A.dval, A.dcol, A.drow, x.dval,
beta, y.dval, A.alignment, A.blocksize, queue ));
//printf("done.\n");
}
else if ( A.storage_type == Magma_SELLP ) {
//printf("using SELLP kernel for SpMV: ");
CHECK( magma_dgesellpmv( MagmaNoTrans, A.num_rows, A.num_cols,
A.blocksize, A.numblocks, A.alignment,
alpha, A.dval, A.dcol, A.drow, x.dval, beta, y.dval, queue ));
//printf("done.\n");
}
else if ( A.storage_type == Magma_CSR5 ) {
//printf("using CSR5 kernel for SpMV: ");
CHECK( magma_dgecsr5mv( MagmaNoTrans, A.num_rows, A.num_cols,
A.csr5_p, alpha, A.csr5_sigma, A.csr5_bit_y_offset,
A.csr5_bit_scansum_offset, A.csr5_num_packets,
A.dtile_ptr, A.dtile_desc, A.dtile_desc_offset_ptr, A.dtile_desc_offset,
A.dcalibrator, A.csr5_tail_tile_start,
A.dval, A.drow, A.dcol, x.dval, beta, y.dval, queue ));
//printf("done.\n");
}
else if ( A.storage_type == Magma_DENSE ) {
//printf("using DENSE kernel for SpMV: ");
magmablas_dgemv( MagmaNoTrans, A.num_rows, A.num_cols, alpha,
A.dval, A.num_rows, x.dval, 1, beta, y.dval,
1, queue );
//printf("done.\n");
}
else if ( A.storage_type == Magma_SPMVFUNCTION ) {
//printf("using DENSE kernel for SpMV: ");
CHECK( magma_dcustomspmv( x.num_rows, x.num_cols, alpha, beta, x.dval, y.dval, queue ));
// magma_dge3pt( x.num_rows, x.num_cols, &alpha, &beta, x.dval, y.dval, queue );
// printf("done.\n");
}
else if ( A.storage_type == Magma_BCSR ) {
//printf("using CUSPARSE BCSR kernel for SpMV: ");
// CUSPARSE context //
cusparseDirection_t dirA = CUSPARSE_DIRECTION_ROW;
int mb = magma_ceildiv( A.num_rows, A.blocksize );
int nb = magma_ceildiv( A.num_cols, A.blocksize );
cusparseHandle = magma_queue_get_cusparse_handle( queue );
CHECK_CUSPARSE( cusparseCreateMatDescr( &descr ));
cusparseDbsrmv( cusparseHandle, dirA,
CUSPARSE_OPERATION_NON_TRANSPOSE, mb, nb, A.numblocks,
(double*)&alpha, descr, (double*)A.dval, A.drow, A.dcol, A.blocksize, (double*)x.dval,
(double*)&beta, (double*)y.dval );
}
else {
printf("error: format not supported.\n");
info = MAGMA_ERR_NOT_SUPPORTED;
}
}
else if ( A.num_cols < x.num_rows || x.num_cols > 1 ) {
magma_int_t num_vecs = x.num_rows / A.num_cols * x.num_cols;
if ( A.storage_type == Magma_CSR ) {
cusparseHandle = magma_queue_get_cusparse_handle( queue );
CHECK_CUSPARSE( cusparseCreateMatDescr( &descr ));
CHECK_CUSPARSE( cusparseSetMatType( descr, CUSPARSE_MATRIX_TYPE_GENERAL ));
CHECK_CUSPARSE( cusparseSetMatIndexBase( descr, CUSPARSE_INDEX_BASE_ZERO ));
if ( x.major == MagmaColMajor) {
cusparseDcsrmm(cusparseHandle,
CUSPARSE_OPERATION_NON_TRANSPOSE,
A.num_rows, num_vecs, A.num_cols, A.nnz,
(double*)&alpha, descr, (double*)A.dval, A.drow, A.dcol,
(double*)x.dval, A.num_cols, (double*)&beta, (double*)y.dval, A.num_cols);
} else if ( x.major == MagmaRowMajor) {
/*cusparseDcsrmm2(cusparseHandle,
CUSPARSE_OPERATION_NON_TRANSPOSE,
CUSPARSE_OPERATION_TRANSPOSE,
A.num_rows, num_vecs, A.num_cols, A.nnz,
&alpha, descr, A.dval, A.drow, A.dcol,
x.dval, A.num_cols, &beta, y.dval, A.num_cols);
*/
printf("error: format not supported.\n");
info = MAGMA_ERR_NOT_SUPPORTED;
} else if ( A.storage_type == Magma_CSC )
{
cusparseHandle = magma_queue_get_cusparse_handle( queue );
CHECK_CUSPARSE( cusparseCreateMatDescr( &descr ));
CHECK_CUSPARSE( cusparseSetMatType( descr, CUSPARSE_MATRIX_TYPE_GENERAL ));
CHECK_CUSPARSE( cusparseSetMatIndexBase( descr, CUSPARSE_INDEX_BASE_ZERO ));
cusparseDcsrmm( cusparseHandle,CUSPARSE_OPERATION_TRANSPOSE,
A.num_rows, num_vecs, A.num_cols, A.nnz,
(double*)&alpha, descr, (double*)A.dval, A.drow, A.dcol,
(double*)x.dval, A.num_cols, (double*)&beta, (double*)y.dval, A.num_cols);
}
} else if ( A.storage_type == Magma_SELLP ) {
if ( x.major == MagmaRowMajor) {
CHECK( magma_dmgesellpmv( MagmaNoTrans, A.num_rows, A.num_cols,
num_vecs, A.blocksize, A.numblocks, A.alignment,
alpha, A.dval, A.dcol, A.drow, x.dval, beta, y.dval, queue ));
} else if ( x.major == MagmaColMajor) {
// transpose first to row major
CHECK( magma_dvtranspose( x, &x2, queue ));
CHECK( magma_dmgesellpmv( MagmaNoTrans, A.num_rows, A.num_cols,
num_vecs, A.blocksize, A.numblocks, A.alignment,
alpha, A.dval, A.dcol, A.drow, x2.dval, beta, y.dval, queue ));
}
}
/*if ( A.storage_type == Magma_DENSE ) {
//printf("using DENSE kernel for SpMV: ");
magmablas_dmgemv( MagmaNoTrans, A.num_rows, A.num_cols,
num_vecs, alpha, A.dval, A.num_rows, x.dval, 1,
beta, y.dval, 1 );
//printf("done.\n");
}*/
else {
printf("error: format not supported.\n");
info = MAGMA_ERR_NOT_SUPPORTED;
}
}
}
// CPU case missing!
else {
CHECK( magma_dmtransfer( x, &dx, x.memory_location, Magma_DEV, queue ));
CHECK( magma_dmtransfer( y, &dy, y.memory_location, Magma_DEV, queue ));
CHECK( magma_dmtransfer( A, &dA, A.memory_location, Magma_DEV, queue ));
CHECK( magma_d_spmv( alpha, dA, dx, beta, dy, queue ) );
magma_dmfree(&x, queue );
magma_dmfree(&y, queue );
magma_dmfree(&A, queue );
CHECK( magma_dmtransfer( dx, &x, dx.memory_location, Magma_CPU, queue ));
CHECK( magma_dmtransfer( dy, &y, dy.memory_location, Magma_CPU, queue ));
CHECK( magma_dmtransfer( dA, &A, dA.memory_location, Magma_CPU, queue ));
}
cleanup:
cusparseDestroyMatDescr( descr );
descr = 0;
magma_dmfree(&x2, queue );
magma_dmfree(&dx, queue );
magma_dmfree(&dy, queue );
magma_dmfree(&dA, queue );
return info;
}
/**
Purpose
-------
For a given input matrix A and vectors x, y and scalars alpha, beta
the wrapper determines the suitable SpMV computing
y = alpha * ( A - lambda I ) * x + beta * y.
Arguments
---------
@param
alpha double
scalar alpha
@param
A magma_d_matrix
sparse matrix A
@param
lambda double
scalar lambda
@param
x magma_d_matrix
input vector x
@param
beta double
scalar beta
@param
offset magma_int_t
in case not the main diagonal is scaled
@param
blocksize magma_int_t
in case of processing multiple vectors
@param
add_rows magma_int_t*
in case the matrixpowerskernel is used
@param
y magma_d_matrix
output vector y
@param[in]
queue magma_queue_t
Queue to execute in.
@ingroup magmasparse_dblas
********************************************************************/
extern "C" magma_int_t
magma_d_spmv_shift(
double alpha,
magma_d_matrix A,
double lambda,
magma_d_matrix x,
double beta,
magma_int_t offset,
magma_int_t blocksize,
magma_index_t *add_rows,
magma_d_matrix y,
magma_queue_t queue )
{
magma_int_t info = 0;
// make sure RHS is a dense matrix
if ( x.storage_type != Magma_DENSE ) {
printf("error: only dense vectors are supported.\n");
info = MAGMA_ERR_NOT_SUPPORTED;
goto cleanup;
}
if ( A.memory_location != x.memory_location ||
x.memory_location != y.memory_location ) {
printf("error: linear algebra objects are not located in same memory!\n");
printf("memory locations are: %d %d %d\n",
A.memory_location, x.memory_location, y.memory_location );
info = MAGMA_ERR_INVALID_PTR;
goto cleanup;
}
// DEV case
if ( A.memory_location == Magma_DEV ) {
if ( A.storage_type == Magma_CSR ) {
//printf("using CSR kernel for SpMV: ");
CHECK( magma_dgecsrmv_shift( MagmaNoTrans, A.num_rows, A.num_cols,
alpha, lambda, A.dval, A.drow, A.dcol, x.dval, beta, offset,
blocksize, add_rows, y.dval, queue ));
//printf("done.\n");
}
else if ( A.storage_type == Magma_ELLPACKT ) {
//printf("using ELLPACKT kernel for SpMV: ");
CHECK( magma_dgeellmv_shift( MagmaNoTrans, A.num_rows, A.num_cols,
A.max_nnz_row, alpha, lambda, A.dval, A.dcol, x.dval, beta, offset,
blocksize, add_rows, y.dval, queue ));
//printf("done.\n");
}
else if ( A.storage_type == Magma_ELL ) {
//printf("using ELL kernel for SpMV: ");
CHECK( magma_dgeelltmv_shift( MagmaNoTrans, A.num_rows, A.num_cols,
A.max_nnz_row, alpha, lambda, A.dval, A.dcol, x.dval, beta, offset,
blocksize, add_rows, y.dval, queue ));
//printf("done.\n");
}
else {
printf("error: format not supported.\n");
info = MAGMA_ERR_NOT_SUPPORTED;
}
}
// CPU case missing!
else {
printf("error: CPU not yet supported.\n");
info = MAGMA_ERR_NOT_SUPPORTED;
}
cleanup:
return info;
}
/**
Purpose
-------
For a given input matrix A and B and scalar alpha,
the wrapper determines the suitable SpMV computing
C = alpha * A * B.
Arguments
---------
@param[in]
alpha double
scalar alpha
@param[in]
A magma_d_matrix
sparse matrix A
@param[in]
B magma_d_matrix
sparse matrix C
@param[out]
C magma_d_matrix *
outpur sparse matrix C
@param[in]
queue magma_queue_t
Queue to execute in.
@ingroup magmasparse_dblas
********************************************************************/
extern "C" magma_int_t
magma_d_spmm(
double alpha,
magma_d_matrix A,
magma_d_matrix B,
magma_d_matrix *C,
magma_queue_t queue )
{
magma_int_t info = 0;
magma_d_matrix dA = {Magma_CSR};
magma_d_matrix dB = {Magma_CSR};
magma_d_matrix dC = {Magma_CSR};
if ( A.memory_location != B.memory_location ) {
printf("error: linear algebra objects are not located in same memory!\n");
printf("memory locations are: %d %d\n",
A.memory_location, B.memory_location );
info = MAGMA_ERR_INVALID_PTR;
goto cleanup;
}
// DEV case
if ( A.memory_location == Magma_DEV ) {
if ( A.num_cols == B.num_rows ) {
if ( A.storage_type == Magma_CSR ||
A.storage_type == Magma_CSRL ||
A.storage_type == Magma_CSRU ||
A.storage_type == Magma_CSRCOO ) {
CHECK( magma_dcuspmm( A, B, C, queue ));
}
else {
printf("error: format not supported.\n");
info = MAGMA_ERR_NOT_SUPPORTED;
}
}
}
// CPU case missing!
else {
A.storage_type = Magma_CSR;
B.storage_type = Magma_CSR;
CHECK( magma_dmtransfer( A, &dA, Magma_CPU, Magma_DEV, queue ) );
CHECK( magma_dmtransfer( B, &dB, Magma_CPU, Magma_DEV, queue ) );
CHECK( magma_dcuspmm( dA, dB, &dC, queue ) );
CHECK( magma_dmtransfer( dC, C, Magma_DEV, Magma_CPU, queue ) );
}
cleanup:
magma_dmfree( &dA, queue );
magma_dmfree( &dB, queue );
magma_dmfree( &dC, queue );
return info;
}
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