derek.holloway
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235 lines
11 KiB
C
235 lines
11 KiB
C
/*! \file */
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/* ************************************************************************
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* Copyright (C) 2025 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 HIPSPARSE_GEMVI_H
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#define HIPSPARSE_GEMVI_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if(!defined(CUDART_VERSION) || CUDART_VERSION < 12000)
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/*! \ingroup level2_module
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* \details
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* \p hipsparseXgemvi_bufferSize returns the size of the temporary storage buffer in bytes
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* required by \ref hipsparseSgemvi "hipsparseXgemvi()". The temporary storage buffer must
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* be allocated by the user.
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*
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* @param[in]
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* handle handle to the hipSPARSE library context queue.
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* @param[in]
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* transA matrix operation type.
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* @param[in]
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* m number of rows of the dense matrix.
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* @param[in]
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* n number of columns of the dense matrix.
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* @param[in]
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* nnz number of non-zero entries in the sparse vector.
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* @param[out]
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* pBufferSizeInBytes temporary storage buffer size.
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*
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* \retval HIPSPARSE_STATUS_SUCCESS the operation completed successfully.
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* \retval HIPSPARSE_STATUS_INVALID_VALUE \p handle, \p m, \p n, \p nnz, or
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* \p pBufferSizeInBytes is invalid.
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* \retval HIPSPARSE_STATUS_NOT_SUPPORTED
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* \p transA != \ref HIPSPARSE_OPERATION_NON_TRANSPOSE or
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* \ref hipsparseMatrixType_t != \ref HIPSPARSE_MATRIX_TYPE_GENERAL.
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*/
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/**@{*/
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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseSgemvi_bufferSize(hipsparseHandle_t handle,
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hipsparseOperation_t transA,
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int m,
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int n,
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int nnz,
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int* pBufferSizeInBytes);
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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseDgemvi_bufferSize(hipsparseHandle_t handle,
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hipsparseOperation_t transA,
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int m,
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int n,
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int nnz,
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int* pBufferSizeInBytes);
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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseCgemvi_bufferSize(hipsparseHandle_t handle,
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hipsparseOperation_t transA,
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int m,
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int n,
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int nnz,
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int* pBufferSizeInBytes);
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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseZgemvi_bufferSize(hipsparseHandle_t handle,
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hipsparseOperation_t transA,
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int m,
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int n,
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int nnz,
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int* pBufferSizeInBytes);
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/**@}*/
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#endif
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#if(!defined(CUDART_VERSION) || CUDART_VERSION < 12000)
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/*! \ingroup level2_module
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* \brief Dense matrix sparse vector multiplication
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*
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* \details
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* \p hipsparseXgemvi multiplies the scalar \f$\alpha\f$ with a dense \f$m \times n\f$
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* matrix \f$A\f$ and the sparse vector \f$x\f$ and adds the result to the dense vector
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* \f$y\f$ that is multiplied by 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 transA == HIPSPARSE_OPERATION_NON_TRANSPOSE}
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* \end{array}
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* \right.
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* \f]
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*
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* Performing the above operation involves two steps. First, the user calls
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* \ref hipsparseSgemvi_bufferSize "hipsparseXgemvi_bufferSize()" to determine the size of
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* the temporary storage buffer. Next, the user allocates this temporary buffer and passes it to
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* \p hipsparseXgemvi to complete the computation. After all calls to \p hipsparseXgemvi are complete, the
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* temporary storage buffer can be freed.
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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 transA == \ref HIPSPARSE_OPERATION_NON_TRANSPOSE is supported.
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*
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* @param[in]
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* handle handle to the hipSPARSE library context queue.
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* @param[in]
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* transA matrix operation type.
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* @param[in]
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* m number of rows of the dense matrix.
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* @param[in]
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* n number of columns of the dense 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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* A pointer to the dense matrix.
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* @param[in]
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* lda leading dimension of the dense matrix.
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* @param[in]
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* nnz number of non-zero entries in the sparse vector.
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* @param[in]
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* x array of \p nnz elements containing the values of the sparse vector.
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* @param[in]
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* xInd array of \p nnz elements containing the indices of the sparse vector.
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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 m elements (\f$op(A) == A\f$) or \p n elements
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* (\f$op(A) == A^T\f$ or \f$op(A) == A^H\f$).
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* @param[in]
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* idxBase \ref HIPSPARSE_INDEX_BASE_ZERO or \ref HIPSPARSE_INDEX_BASE_ONE.
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* @param[in]
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* pBuffer temporary storage buffer.
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*
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* \retval HIPSPARSE_STATUS_SUCCESS the operation completed successfully.
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* \retval HIPSPARSE_STATUS_INVALID_VALUE \p handle, \p m, \p n, \p lda, \p nnz, \p alpha,
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* \p A, \p x, \p xInd, \p beta, \p y, or \p pBuffer is invalid.
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* \retval HIPSPARSE_STATUS_NOT_SUPPORTED
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* \p transA != \ref HIPSPARSE_OPERATION_NON_TRANSPOSE or
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* \ref hipsparseMatrixType_t != \ref HIPSPARSE_MATRIX_TYPE_GENERAL.
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*/
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/**@{*/
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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseSgemvi(hipsparseHandle_t handle,
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hipsparseOperation_t transA,
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int m,
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int n,
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const float* alpha,
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const float* A,
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int lda,
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int nnz,
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const float* x,
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const int* xInd,
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const float* beta,
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float* y,
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hipsparseIndexBase_t idxBase,
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void* pBuffer);
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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseDgemvi(hipsparseHandle_t handle,
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hipsparseOperation_t transA,
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int m,
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int n,
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const double* alpha,
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const double* A,
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int lda,
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int nnz,
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const double* x,
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const int* xInd,
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const double* beta,
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double* y,
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hipsparseIndexBase_t idxBase,
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void* pBuffer);
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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseCgemvi(hipsparseHandle_t handle,
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hipsparseOperation_t transA,
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int m,
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int n,
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const hipComplex* alpha,
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const hipComplex* A,
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int lda,
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int nnz,
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const hipComplex* x,
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const int* xInd,
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const hipComplex* beta,
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hipComplex* y,
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hipsparseIndexBase_t idxBase,
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void* pBuffer);
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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseZgemvi(hipsparseHandle_t handle,
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hipsparseOperation_t transA,
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int m,
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int n,
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const hipDoubleComplex* alpha,
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const hipDoubleComplex* A,
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int lda,
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int nnz,
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const hipDoubleComplex* x,
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const int* xInd,
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const hipDoubleComplex* beta,
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hipDoubleComplex* y,
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hipsparseIndexBase_t idxBase,
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void* pBuffer);
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/**@}*/
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* HIPSPARSE_GEMVI_H */
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