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198 lines
9.5 KiB
C
198 lines
9.5 KiB
C
/*! \file */
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/* ************************************************************************
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* Copyright (C) 2023-2024 Advanced Micro Devices, Inc. All rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the Software), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* ************************************************************************ */
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#ifndef ROCSPARSE_GEBSRMV_H
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#define ROCSPARSE_GEBSRMV_H
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#include "../../rocsparse-types.h"
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#include "rocsparse/rocsparse-export.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*! \ingroup level2_module
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* \brief Sparse matrix vector multiplication using the GEBSR storage format.
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*
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* \details
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* \p rocsparse_gebsrmv multiplies the scalar \f$\alpha\f$ with a sparse
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* \f$m \times n\f$ matrix, defined in GEBSR storage format, and the dense vector
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* \f$x\f$ and adds the result to the dense vector \f$y\f$ that is multiplied by
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* the scalar \f$\beta\f$, such that
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* \f[
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* y := \alpha \cdot op(A) \cdot x + \beta \cdot y,
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* \f]
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* with
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* \f[
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* op(A) = \left\{
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* \begin{array}{ll}
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* A, & \text{if trans == rocsparse_operation_none}
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* \end{array}
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* \right.
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* \f]
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* and where \f$m = mb \times row\_block\_dim\f$ and \f$n = nb \times col\_block\_dim\f$.
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*
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* \note
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* This function is non-blocking and executed asynchronously with respect to the host.
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* It can return before the actual computation has finished.
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*
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* \note
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* Currently, only \p trans == \ref rocsparse_operation_none is supported.
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*
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* \note
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* This routine supports execution in a hipGraph context.
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*
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* @param[in]
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* handle handle to the rocSPARSE library context queue.
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* @param[in]
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* dir matrix storage of GEBSR blocks.
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* @param[in]
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* trans matrix operation type.
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* @param[in]
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* mb number of block rows of the sparse GEBSR matrix.
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* @param[in]
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* nb number of block columns of the sparse GEBSR matrix.
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* @param[in]
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* nnzb number of non-zero blocks of the sparse GEBSR matrix.
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* @param[in]
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* alpha scalar \f$\alpha\f$.
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* @param[in]
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* descr descriptor of the sparse GEBSR matrix. Currently, only
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* \ref rocsparse_matrix_type_general is supported.
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* @param[in]
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* bsr_val array of \p nnzb blocks of the sparse GEBSR matrix.
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* @param[in]
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* bsr_row_ptr array of \p mb+1 elements that point to the start of every block row of
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* the sparse GEBSR matrix.
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* @param[in]
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* bsr_col_ind array of \p nnz containing the block column indices of the sparse
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* GEBSR matrix.
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* @param[in]
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* row_block_dim row block dimension of the sparse GEBSR matrix.
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* @param[in]
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* col_block_dim column block dimension of the sparse GEBSR matrix.
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* @param[in]
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* x array of \p nb*col_block_dim elements (\f$op(A) = A\f$) or \p mb*row_block_dim
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* elements (\f$op(A) = A^T\f$ or \f$op(A) = A^H\f$).
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* @param[in]
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* beta scalar \f$\beta\f$.
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* @param[inout]
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* y array of \p mb*row_block_dim elements (\f$op(A) = A\f$) or \p nb*col_block_dim
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* elements (\f$op(A) = A^T\f$ or \f$op(A) = A^H\f$).
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*
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* \retval rocsparse_status_success the operation completed successfully.
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* \retval rocsparse_status_invalid_handle the library context was not initialized.
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* \retval rocsparse_status_invalid_size \p mb, \p nb, \p nnzb, \p row_block_dim,
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* or \p col_block_dim is invalid.
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* \retval rocsparse_status_invalid_pointer \p descr, \p alpha, \p bsr_val,
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* \p bsr_row_ind, \p bsr_col_ind, \p x, \p beta, or \p y pointer is invalid.
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* \retval rocsparse_status_arch_mismatch the device is not supported.
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* \retval rocsparse_status_not_implemented
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* \p trans != \ref rocsparse_operation_none or
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* \ref rocsparse_matrix_type != \ref rocsparse_matrix_type_general.
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*
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* \par Example
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* This example performs a sparse matrix vector multiplication in GEBSR format.
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* \snippet example_rocsparse_gebsrmv.cpp doc example
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*/
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/**@{*/
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_sgebsrmv(rocsparse_handle handle,
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rocsparse_direction dir,
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rocsparse_operation trans,
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rocsparse_int mb,
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rocsparse_int nb,
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rocsparse_int nnzb,
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const float* alpha,
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const rocsparse_mat_descr descr,
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const float* bsr_val,
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const rocsparse_int* bsr_row_ptr,
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const rocsparse_int* bsr_col_ind,
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rocsparse_int row_block_dim,
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rocsparse_int col_block_dim,
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const float* x,
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const float* beta,
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float* y);
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_dgebsrmv(rocsparse_handle handle,
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rocsparse_direction dir,
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rocsparse_operation trans,
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rocsparse_int mb,
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rocsparse_int nb,
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rocsparse_int nnzb,
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const double* alpha,
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const rocsparse_mat_descr descr,
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const double* bsr_val,
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const rocsparse_int* bsr_row_ptr,
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const rocsparse_int* bsr_col_ind,
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rocsparse_int row_block_dim,
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rocsparse_int col_block_dim,
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const double* x,
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const double* beta,
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double* y);
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_cgebsrmv(rocsparse_handle handle,
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rocsparse_direction dir,
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rocsparse_operation trans,
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rocsparse_int mb,
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rocsparse_int nb,
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rocsparse_int nnzb,
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const rocsparse_float_complex* alpha,
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const rocsparse_mat_descr descr,
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const rocsparse_float_complex* bsr_val,
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const rocsparse_int* bsr_row_ptr,
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const rocsparse_int* bsr_col_ind,
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rocsparse_int row_block_dim,
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rocsparse_int col_block_dim,
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const rocsparse_float_complex* x,
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const rocsparse_float_complex* beta,
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rocsparse_float_complex* y);
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_zgebsrmv(rocsparse_handle handle,
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rocsparse_direction dir,
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rocsparse_operation trans,
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rocsparse_int mb,
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rocsparse_int nb,
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rocsparse_int nnzb,
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const rocsparse_double_complex* alpha,
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const rocsparse_mat_descr descr,
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const rocsparse_double_complex* bsr_val,
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const rocsparse_int* bsr_row_ptr,
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const rocsparse_int* bsr_col_ind,
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rocsparse_int row_block_dim,
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rocsparse_int col_block_dim,
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const rocsparse_double_complex* x,
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const rocsparse_double_complex* beta,
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rocsparse_double_complex* y);
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/**@}*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* ROCSPARSE_GEBSRMV_H */
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