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/*
* Copyright (c) 2018-2021 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_CL_GEMM_RESHAPE_RHS_MATRIX_KERNEL_H
#define ARM_COMPUTE_CL_GEMM_RESHAPE_RHS_MATRIX_KERNEL_H
#include "src/core/common/Macros.h"
#include "src/core/gpu/cl/ClCompileContext.h"
#include "src/core/gpu/cl/IClKernel.h"
namespace arm_compute
{
namespace opencl
{
namespace kernels
{
/** OpenCL kernel to reshape the RHS matrix when performing the matrix multiplication
* In particular, this kernel splits the src matrix in blocks of size K0xN0 and stores each one in
* the dst matrix unrolling the values */
class ClGemmReshapeRhsMatrixKernel : public ICLKernel
{
public:
ClGemmReshapeRhsMatrixKernel() = default;
ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(ClGemmReshapeRhsMatrixKernel);
/** 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, F16
* -# 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] src Input tensor. Data types supported: All
* @param[out] dst Output tensor. Data type supported: same as @p src
* @param[in] rhs_info RHS matrix information to be used for reshaping. This object contains all the necessary
* information to reshape the src 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, ITensorInfo *src, ITensorInfo *dst, const GEMMRHSMatrixInfo &rhs_info);
/** Static function to check if given info will lead to a valid configuration
*
* Similar to @ref ClGemmReshapeRhsMatrixKernel::configure()
*
* @return a status
*/
static Status validate(const ITensorInfo *src, const ITensorInfo *dst, const GEMMRHSMatrixInfo &rhs_info);
// Inherited methods overridden:
void run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue) override;
};
} // namespace kernels
} // namespace opencl
} // namespace arm_compute
#endif /* ARM_COMPUTE_CL_GEMM_RESHAPE_RHS_MATRIX_KERNEL_H */
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