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/*
* Copyright (c) 2018-2020 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_CLGEMMRESHAPERHSMATRIXKERNEL_H
#define ARM_COMPUTE_CLGEMMRESHAPERHSMATRIXKERNEL_H
#include "arm_compute/core/CL/ICLKernel.h"
namespace arm_compute
{
class ICLTensor;
/** OpenCL kernel to reshape the RHS matrix when performing the matrix multiplication
* In particular, this kernel splits the input matrix in blocks of size K0xN0 and stores each one in
* the output matrix unrolling the values */
class CLGEMMReshapeRHSMatrixKernel : public ICLKernel
{
public:
/** Default constructor */
CLGEMMReshapeRHSMatrixKernel();
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLGEMMReshapeRHSMatrixKernel(const CLGEMMReshapeRHSMatrixKernel &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLGEMMReshapeRHSMatrixKernel &operator=(const CLGEMMReshapeRHSMatrixKernel &) = delete;
/** Allow instances of this class to be moved */
CLGEMMReshapeRHSMatrixKernel(CLGEMMReshapeRHSMatrixKernel &&) = default;
/** Allow instances of this class to be moved */
CLGEMMReshapeRHSMatrixKernel &operator=(CLGEMMReshapeRHSMatrixKernel &&) = default;
/** Initialise the kernel's input and output.
*
* @note If rhs_info.export_to_cl_image = true, this OpenCL kernel will guarantee the OpenCL pitch alignment for the output tensor,
* required to create a OpenCL image object from buffer in @ref CLGEMMMatrixMultiplyReshapedKernel and in @ref CLGEMMMatrixMultiplyReshapedOnlyRHSKernel
* 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
* -# output width should be less or equal to (CL_DEVICE_IMAGE2D_MAX_WIDTH * 4)
* -# output (height * depth) should be less or equal to CL_DEVICE_IMAGE2D_MAX_HEIGHT
* -# The output tensor should be only consumed by @ref CLGEMMMatrixMultiplyReshapedKernel or @ref CLGEMMMatrixMultiplyReshapedOnlyRHSKernel
*
* @param[in] input Input tensor. Data types supported: All
* @param[out] output Output tensor. Data type supported: same as @p input
* @param[in] rhs_info RHS matrix information to be used for reshaping. This object contains all the necessary
* information to reshape the input tensor. Only the following values are supported:
* rhs_info.n0: 2,3,4,8,16 (only 4, 8 and 16 if rhs_info.export_to_cl_image == true)
* rhs_info.k0: 1,2,3,4,8,16 (k0 = 1 only if rhs_info.transpose = false), (only 4, 8 and 16 if rhs_info.export_to_cl_image == true)
* rhs_info.h0: greater than 0
* rhs_info.transpose: true, false
* rhs_info.interleave: true, false
*/
void configure(const ICLTensor *input, ICLTensor *output, const GEMMRHSMatrixInfo &rhs_info);
/** Initialise the kernel's input and output.
*
* @note If rhs_info.export_to_cl_image = true, this OpenCL kernel will guarantee the OpenCL pitch alignment for the output tensor,
* required to create a OpenCL image object from buffer in @ref CLGEMMMatrixMultiplyReshapedKernel and in @ref CLGEMMMatrixMultiplyReshapedOnlyRHSKernel
* 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
* -# output width should be less or equal to (CL_DEVICE_IMAGE2D_MAX_WIDTH * 4)
* -# output (height * depth) should be less or equal to CL_DEVICE_IMAGE2D_MAX_HEIGHT
* -# The output tensor should be only consumed by @ref CLGEMMMatrixMultiplyReshapedKernel or @ref CLGEMMMatrixMultiplyReshapedOnlyRHSKernel
*
* @param[in] compile_context The compile context to be used.
* @param[in] input Input tensor. Data types supported: All
* @param[out] output Output tensor. Data type supported: same as @p input
* @param[in] rhs_info RHS matrix information to be used for reshaping. This object contains all the necessary
* information to reshape the input tensor. Only the following values are supported:
* rhs_info.n0: 2,3,4,8,16 (only 4, 8 and 16 if rhs_info.export_to_cl_image == true)
* rhs_info.k0: 1,2,3,4,8,16 (k0 = 1 only if rhs_info.transpose = false), (only 4, 8 and 16 if rhs_info.export_to_cl_image == true)
* rhs_info.h0: greater than 0
* rhs_info.transpose: true, false
* rhs_info.interleave: true, false
*/
void configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, const GEMMRHSMatrixInfo &rhs_info);
/** Static function to check if given info will lead to a valid configuration of @ref CLGEMMReshapeRHSMatrixKernel
*
* @note If rhs_info.export_to_cl_image = true, this OpenCL kernel will guarantee the OpenCL pitch alignment for the output tensor,
* required to create a OpenCL image object from buffer in @ref CLGEMMMatrixMultiplyReshapedKernel and in @ref CLGEMMMatrixMultiplyReshapedOnlyRHSKernel
* 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
* -# output width should be less or equal to (CL_DEVICE_IMAGE2D_MAX_WIDTH * 4)
* -# output (height * depth) should be less or equal to CL_DEVICE_IMAGE2D_MAX_HEIGHT
* -# The output tensor should be only consumed by @ref CLGEMMMatrixMultiplyReshapedKernel or @ref CLGEMMMatrixMultiplyReshapedOnlyRHSKernel
*
* @param[in] input Input tensor info. Data types supported: All
* @param[in] output Output tensor info which stores the interleaved matrix. Data type supported: same as @p input.
* @param[in] rhs_info RHS matrix information to be used for reshaping. This object contains all the necessary
* information to reshape the input tensor. Only the following values are supported:
* rhs_info.n0: 2,3,4,8,16 (only 4, 8 and 16 if rhs_info.export_to_cl_image == true)
* rhs_info.k0: 1,2,3,4,8,16 (k0 = 1 only if rhs_info.transpose = false),(only 4, 8 and 16 if rhs_info.export_to_cl_image == true)
* rhs_info.h0: greater than 0
* rhs_info.transpose: true, false
* rhs_info.interleave: true, false
*
* @return a status
*/
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const GEMMRHSMatrixInfo &rhs_info);
// Inherited methods overridden
void run(const Window &window, cl::CommandQueue &queue) override;
private:
const ICLTensor *_input;
ICLTensor *_output;
};
} // namespace arm_compute
#endif /* ARM_COMPUTE_CLGEMMRESHAPERHSMATRIXKERNEL_H */
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