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/*
* Copyright (c) 2016-2019 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_NEGEMMMATRIXVECTORMULTIPLYKERNEL_H_
#define ARM_COMPUTE_NEGEMMMATRIXVECTORMULTIPLYKERNEL_H_
#include "arm_compute/core/NEON/INESimpleKernel.h"
namespace arm_compute
{
class ITensor;
/** Interface for the GEMM matrix vector multiply kernel. **/
class NEGEMMMatrixVectorMultiplyKernel : public INESimpleKernel
{
public:
const char *name() const override
{
return "NEGEMMMatrixVectorMultiplyKernel";
}
/** Default constructor */
NEGEMMMatrixVectorMultiplyKernel();
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEGEMMMatrixVectorMultiplyKernel(const NEGEMMMatrixVectorMultiplyKernel &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEGEMMMatrixVectorMultiplyKernel &operator=(const NEGEMMMatrixVectorMultiplyKernel &) = delete;
/** Allow instances of this class to be moved */
NEGEMMMatrixVectorMultiplyKernel(NEGEMMMatrixVectorMultiplyKernel &&) = default;
/** Allow instances of this class to be moved */
NEGEMMMatrixVectorMultiplyKernel &operator=(NEGEMMMatrixVectorMultiplyKernel &&) = default;
/** Initialise the kernel's input and output.
*
* @param[in] input0 First Input tensor. Data types supported: QASYMM8/F16/F32
* @param[in] input1 Second Input tensor. Data types supported: same as @p input.
* @param[out] output Output tensor which stores the interleaved matrix. Data type supported: same as @p input, S32 for QASYMM8 input.
*/
void configure(const ITensor *input0, const ITensor *input1, ITensor *output);
/** Static function to check if given info will lead to a valid configuration of @ref NEGEMMMatrixVectorMultiplyKernel
*
* @param[in] input0 First Input tensor. Data types supported: QASYMM8/F16/F32
* @param[in] input1 Second Input tensor. Data types supported: same as @p input.
* @param[in] output Output tensor which stores the interleaved matrix. Data type supported: same as @p input, S32 for QASYMM8 input.
*
* @return a status
*/
static Status validate(const ITensorInfo *input0, const ITensorInfo *input1, const ITensorInfo *output);
// Inherited methods overridden:
void run(const Window &window, const ThreadInfo &info) override;
BorderSize border_size() const override;
private:
/** Template function to run the matrix vector multiplication
*
* @tparam I0 Input 0 type
* @tparam I1 Input 1 type
* @tparam O Output type
*
* @param[in] window_in Input region. (Must be a valid region of the window returned by window()).
* @param[in] window_w Weights region. (Must be a valid region of the window returned by window()).
* @param[in] window_out Output region.(Must be a valid region of the window returned by window()).
*/
template <typename I0, typename I1, typename O>
void matrix_vector_multiply(const Window &window_in, const Window &window_w, const Window &window_out);
/** Common signature for all the specialised matrix vector multiplication functions */
using GEMMMatrixVectorMultiplyFunctionPtr = void (NEGEMMMatrixVectorMultiplyKernel::*)(const Window &window_in,
const Window &window_w,
const Window &window_out);
private:
GEMMMatrixVectorMultiplyFunctionPtr _func;
const ITensor *_input0;
const ITensor *_input1;
ITensor *_output;
BorderSize _border_size;
};
} // namespace arm_compute
#endif /*ARM_COMPUTE_NEGEMMMATRIXVECTORMULTIPLYKERNEL_H_*/
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