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/*
* Copyright (c) 2017-2018 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_NEGEMMLOWPMATRIXMULTIPLYCORE_H__
#define __ARM_COMPUTE_NEGEMMLOWPMATRIXMULTIPLYCORE_H__
#include "arm_compute/core/NEON/INEKernel.h"
#include "arm_compute/core/NEON/kernels/NEGEMMLowpOffsetContributionKernel.h"
#include "arm_compute/core/NEON/kernels/NEGEMMLowpReductionKernel.h"
#include "arm_compute/runtime/IFunction.h"
#include "arm_compute/runtime/IMemoryManager.h"
#include "arm_compute/runtime/MemoryGroup.h"
#include "arm_compute/runtime/NEON/functions/NEGEMMAssemblyDispatch.h"
#include "arm_compute/runtime/Tensor.h"
#include <memory>
namespace arm_compute
{
class ITensor;
/** Basic function to execute GEMMLowpMatrixMultiplyCore on NEON. This function calls the following NEON kernels if the DOT product instruction is not available:
*
* -# @ref NEGEMMInterleave4x4Kernel
* -# @ref NEGEMMTranspose1xWKernel
* -# @ref NEGEMMLowpMatrixMultiplyKernel
* -# @ref NEGEMMLowpOffsetContributionKernel
*
* otherwise if the DOT product instruction is available:
*
* -# @ref NEGEMMLowpOffsetContributionKernel
*
*/
class NEGEMMLowpMatrixMultiplyCore : public IFunction
{
public:
/** Constructor */
NEGEMMLowpMatrixMultiplyCore(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEGEMMLowpMatrixMultiplyCore(const NEGEMMLowpMatrixMultiplyCore &) = delete;
/** Default move constructor */
NEGEMMLowpMatrixMultiplyCore(NEGEMMLowpMatrixMultiplyCore &&) = default;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEGEMMLowpMatrixMultiplyCore &operator=(const NEGEMMLowpMatrixMultiplyCore &) = delete;
/** Default move assignment operator */
NEGEMMLowpMatrixMultiplyCore &operator=(NEGEMMLowpMatrixMultiplyCore &&) = default;
/** Initialise the kernel's inputs, output
*
* @note GEMM_LOWP: low precision GEMM kernel
* This kernel performs the following computations:
*
* -# Convert a values from QASYMM8 to int32 and add a_offset to each of them.
* -# Convert b values from QASYMM8 to int32 add b_offset to each of them.
* -# Compute the matrix product of the resulting a * b in int32.
*
* @param[in] a First input tensor (Matrix A). Data type supported: QASYMM8.
* @param[in] b Second input tensor (Matrix B). Data type supported: same as @p a
* @param[out] output Output tensor. Data type supported: Data type supported: S32
* @param[in] gemm_info (Optional) Specifies if the matrix A and/or matrix B have been reshaped and
* if the reshape of matrix B should be executed only for the first run
*/
void configure(const ITensor *a, const ITensor *b, ITensor *output, const GEMMInfo &gemm_info = GEMMInfo());
/** Static function to check if given info will lead to a valid configuration of @ref NEGEMMLowpMatrixMultiplyCore
*
* @param[in] a First input tensor (Matrix A). Data type supported: QASYMM8.
* @param[in] b Second input tensor (Matrix B). Data type supported: same as @p a
* @param[in] output Output tensor. Data type supported: Data type supported: S32
* @param[in] gemm_info (Optional) Specifies if the matrix A and/or matrix B have been reshaped and
* if the reshape of matrix B should be executed only for the first run
*
* @return a status
*/
static Status validate(const ITensorInfo *a, const ITensorInfo *b, const ITensorInfo *output, const GEMMInfo &gemm_info = GEMMInfo());
// Inherited methods overridden
void run() override;
void prepare() override;
private:
MemoryGroup _memory_group;
NEGEMMAssemblyDispatch _asm_glue;
std::unique_ptr<INEKernel> _mm_kernel;
std::unique_ptr<INEKernel> _mtx_a_reshape_kernel;
std::unique_ptr<INEKernel> _mtx_b_reshape_kernel;
NEGEMMLowpMatrixAReductionKernel _mtx_a_reduction_kernel;
NEGEMMLowpMatrixBReductionKernel _mtx_b_reduction_kernel;
NEGEMMLowpOffsetContributionKernel _offset_contribution_kernel;
Tensor _vector_sum_col;
Tensor _vector_sum_row;
Tensor _tmp_a;
Tensor _tmp_b;
const ITensor *_original_b;
int32_t _a_offset;
int32_t _b_offset;
bool _run_vector_matrix_multiplication;
bool _dot_product_path;
bool _reshape_b_only_on_first_run;
bool _is_prepared;
};
}
#endif /*__ARM_COMPUTE_NEGEMMLOWPMATRIXMULTIPLYCORE_H__ */
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