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/*
* Copyright (c) 2019-2020 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARM_COMPUTE_CLGEMMMATRIXMULTIPLYRESHAPEDONLYRHSKERNEL_H
#define ARM_COMPUTE_CLGEMMMATRIXMULTIPLYRESHAPEDONLYRHSKERNEL_H
#include "arm_compute/core/CL/ICLKernel.h"
#include "arm_compute/core/KernelDescriptors.h"
namespace arm_compute
{
class ICLTensor;
/** OpenCL kernel to multiply matrices when only the input matrix RHS (input1) has been reshaped
*
* @note The input matrix input1 must be reshaped through @ref CLGEMMReshapeRHSMatrixKernel
*/
class CLGEMMMatrixMultiplyReshapedOnlyRHSKernel : public ICLKernel
{
public:
/** Default Constructor */
CLGEMMMatrixMultiplyReshapedOnlyRHSKernel();
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLGEMMMatrixMultiplyReshapedOnlyRHSKernel(const CLGEMMMatrixMultiplyReshapedOnlyRHSKernel &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLGEMMMatrixMultiplyReshapedOnlyRHSKernel &operator=(const CLGEMMMatrixMultiplyReshapedOnlyRHSKernel &) = delete;
/** Allow instances of this class to be moved */
CLGEMMMatrixMultiplyReshapedOnlyRHSKernel(CLGEMMMatrixMultiplyReshapedOnlyRHSKernel &&) = default;
/** Allow instances of this class to be moved */
CLGEMMMatrixMultiplyReshapedOnlyRHSKernel &operator=(CLGEMMMatrixMultiplyReshapedOnlyRHSKernel &&) = default;
/** Initialise the kernel's input and output.
*
* @note If rhs_info.export_to_cl_image = true, this OpenCL kernel will fetch the RHS data using the OpenCL read_image built-in function.
* Reading from the OpenCL image object can increase the performance. However, since the OpenCL image object is created importing the OpenCL buffer,
* the following conditions are required:
* -# rhs_info.n0 can only be 4, 8 and 16
* -# rhs_info.k0 can only be 4, 8 and 16
* -# Data type can only be F32
* -# The platform should support the OpenCL cl_khr_image2d_from_buffer extension
* -# The stride Y for the input1 should satisfy the OpenCL pitch alignment requirement
* -# input1 width should be less or equal to (CL_DEVICE_IMAGE2D_MAX_WIDTH * 4)
* -# input1 (height * depth) should be less or equal to CL_DEVICE_IMAGE2D_MAX_HEIGHT
*
* @param[in] input0 Input tensor containing the LHS matrix. Data type supported: F16/F32 (only F32 if rhs_info.export_to_cl_image = true).
* The number of dimensions for the LHS matrix must be less or equal than 4.
* @param[in] input1 Input tensor containing the RHS reshaped matrix. Data type supported: same as @p input0. The number of dimensions for the RHS matrix must be less or equal than 3.
* @param[in] input2 Input tensor containing the bias matrix. Data type supported: same as @p input0.
* @param[out] output Output tensor to store the result of matrix multiplication. Data type supported: same as @p input0
* @param[in] alpha Weight of the matrix product
* @param[in] beta Weight of the matrix bias
* @param[in] lhs_info LHS matrix information used to retrieve the number of rows to be processed by each thread. Only the following values are supported:
* lhs_info.m0: 1,2,3,4,5,6,7,8
* @param[in] rhs_info RHS matrix information used for reshaping the input1 tensor. Only the following values are supported:
* rhs_info.k0: 2,3,4,8,16
* rhs_info.n0: 2,3,4,8,16
* rhs_info.transpose: true,false
* @param[in] gemm_info GEMM information used to retrieve the original dimensions of the input matrices
*/
void configure(const ICLTensor *input0, const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output, float alpha, float beta, const GEMMLHSMatrixInfo &lhs_info,
const GEMMRHSMatrixInfo &rhs_info,
const GEMMKernelInfo &gemm_info);
/** Initialise the kernel's input and output.
*
* @note If rhs_info.export_to_cl_image = true, this OpenCL kernel will fetch the RHS data using the OpenCL read_image built-in function.
* Reading from the OpenCL image object can increase the performance. However, since the OpenCL image object is created importing the OpenCL buffer,
* the following conditions are required:
* -# rhs_info.n0 can only be 4, 8 and 16
* -# rhs_info.k0 can only be 4, 8 and 16
* -# Data type can only be F32
* -# The platform should support the OpenCL cl_khr_image2d_from_buffer extension
* -# The stride Y for the input1 should satisfy the OpenCL pitch alignment requirement
* -# input1 width should be less or equal to (CL_DEVICE_IMAGE2D_MAX_WIDTH * 4)
* -# input1 (height * depth) should be less or equal to CL_DEVICE_IMAGE2D_MAX_HEIGHT
*
* @param[in] compile_context The compile context to be used.
* @param[in] input0 Input tensor containing the LHS matrix. Data type supported: F16/F32 (only F32 if rhs_info.export_to_cl_image = true).
* The number of dimensions for the LHS matrix must be less or equal than 4.
* @param[in] input1 Input tensor containing the RHS reshaped matrix. Data type supported: same as @p input0. The number of dimensions for the RHS matrix must be less or equal than 3.
* @param[in] input2 Input tensor containing the bias matrix. Data type supported: same as @p input0.
* @param[out] output Output tensor to store the result of matrix multiplication. Data type supported: same as @p input0
* @param[in] alpha Weight of the matrix product
* @param[in] beta Weight of the matrix bias
* @param[in] lhs_info LHS matrix information used to retrieve the number of rows to be processed by each thread. Only the following values are supported:
* lhs_info.m0: 1,2,3,4,5,6,7,8
* @param[in] rhs_info RHS matrix information used for reshaping the input1 tensor. Only the following values are supported:
* rhs_info.k0: 2,3,4,8,16
* rhs_info.n0: 2,3,4,8,16
* rhs_info.transpose: true,false
* @param[in] gemm_info GEMM information used to retrieve the original dimensions of the input matrices
*/
void configure(const CLCompileContext &compile_context, const ICLTensor *input0, const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output, float alpha, float beta,
const GEMMLHSMatrixInfo &lhs_info,
const GEMMRHSMatrixInfo &rhs_info,
const GEMMKernelInfo &gemm_info);
/** Static function to check if given info will lead to a valid configuration of @ref CLGEMMMatrixMultiplyReshapedOnlyRHSKernel
*
* @note If rhs_info.export_to_cl_image = true, this OpenCL kernel will fetch the RHS data using the OpenCL read_image built-in function.
* Reading from the OpenCL image object can increase the performance. However, since the OpenCL image object is created importing the OpenCL buffer,
* the following conditions are required:
* -# rhs_info.n0 can only be 4, 8 and 16
* -# rhs_info.k0 can only be 4, 8 and 16
* -# Data type can only be F32
* -# The platform should support the OpenCL cl_khr_image2d_from_buffer extension
* -# The stride Y for the input1 should satisfy the OpenCL pitch alignment requirement
* -# input1 width should be less or equal to (CL_DEVICE_IMAGE2D_MAX_WIDTH * 4)
* -# input1 (height * depth) should be less or equal to CL_DEVICE_IMAGE2D_MAX_HEIGHT
*
* @param[in] input0 Input tensor info for the LHS matrix. Data type supported: F16/F32 (only F32 if rhs_info.export_to_cl_image = true).
* The number of dimensions for the LHS matrix must be less or equal than 4.
* @param[in] input1 Input tensor info for the RHS reshaped matrix. Data type supported: same as @p input0. The number of dimensions for the RHS matrix must be less or equal than 3.
* @param[in] input2 Input tensor info containing the bias matrix. Data type supported: same as @p input0.
* @param[in] output Output tensor info. Data type supported: same as @p input0
* @param[in] alpha Weight of the matrix product
* @param[in] beta Weight of the matrix bias
* @param[in] lhs_info LHS matrix information used to retrieve the number of rows to be processed by each thread. Only the following values are supported:
* lhs_info.m0: 1,2,3,4,5,6,7,8
* @param[in] rhs_info RHS matrix information used for reshaping the input1 tensor. Only the following values are supported:
* rhs_info.k0: 2,3,4,8,16
* rhs_info.n0: 2,3,4,8,16
* rhs_info.transpose: true,false
* @param[in] gemm_info GEMM information used to retrieve the original dimensions of the input matrices
*
* @return a status
*/
static Status validate(const ITensorInfo *input0, const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, float alpha, float beta, const GEMMLHSMatrixInfo &lhs_info,
const GEMMRHSMatrixInfo &rhs_info,
const GEMMKernelInfo &gemm_info);
// Inherited methods overridden:
void run(const Window &window, cl::CommandQueue &queue) override;
private:
const ICLTensor *_input0;
const ICLTensor *_input1;
const ICLTensor *_input2;
ICLTensor *_output;
bool _slide_matrix_b;
bool _reinterpret_input_as_3d;
bool _reinterpret_output_as_3d;
bool _use_dummy_work_items;
bool _add_bias;
bool _broadcast_bias;
bool _export_to_cl_image;
};
} // namespace arm_compute
#endif /*ARM_COMPUTE_CLGEMMMATRIXMULTIPLYRESHAPEDONLYRHSKERNEL_H*/
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