| /* |
| * 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/AssemblyHelper.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); |
| /** 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; |
| |
| private: |
| MemoryGroup _memory_group; |
| AssemblyKernelGlueU8U32 _asm_glue_unsigned; |
| AssemblyKernelGlueS8S32 _asm_glue_signed; |
| 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; |
| Tensor _workspace; |
| int32_t _a_offset; |
| int32_t _b_offset; |
| bool _run_vector_matrix_multiplication; |
| bool _dot_product_path; |
| bool _is_first_run; |
| bool _reshape_b_only_on_first_run; |
| }; |
| } |
| #endif /*__ARM_COMPUTE_NEGEMMLOWPMATRIXMULTIPLYCORE_H__ */ |