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Diffstat (limited to 'src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.h')
-rw-r--r-- | src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.h b/src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.h new file mode 100644 index 0000000000..14d03fe3eb --- /dev/null +++ b/src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.h @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2017-2020 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_NEGEMMLOWPMATRIXMULTIPLYKERNEL_H +#define ARM_COMPUTE_NEGEMMLOWPMATRIXMULTIPLYKERNEL_H + +#include "src/core/NEON/INEKernel.h" + +namespace arm_compute +{ +class ITensor; + +/** NEON kernel to multiply matrices + * + * @note @ref NEGEMMLowpMatrixMultiplyKernel low precision matrix product kernel + * This kernel performs the following computation: + * + * -# Convert a values from int8 to int32 + * -# Convert b values from int8 to int32 + * -# Compute the int32 matrix product of the resulting a * b and store the result as int32 + * + */ +class NEGEMMLowpMatrixMultiplyKernel : public INEKernel +{ +public: + const char *name() const override + { + return "NEGEMMLowpMatrixMultiplyKernel"; + } + /** Constructor */ + NEGEMMLowpMatrixMultiplyKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers)*/ + NEGEMMLowpMatrixMultiplyKernel(const NEGEMMLowpMatrixMultiplyKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers)*/ + NEGEMMLowpMatrixMultiplyKernel &operator=(const NEGEMMLowpMatrixMultiplyKernel &) = delete; + /** Allow instances of this class to be moved */ + NEGEMMLowpMatrixMultiplyKernel(NEGEMMLowpMatrixMultiplyKernel &&) = default; + /** Allow instances of this class to be moved */ + NEGEMMLowpMatrixMultiplyKernel &operator=(NEGEMMLowpMatrixMultiplyKernel &&) = default; + /** Default destructor */ + ~NEGEMMLowpMatrixMultiplyKernel() = default; + /** Initialise the kernel's input and output. + * + * The input matrices @p input0 and @p input1 must be the output of the kernels: @ref NEGEMMInterleave4x4Kernel and @ref NEGEMMTranspose1xWKernel. These two + * kernels change the layout of the original matrices to be more cache-friendly. + * + * @param[in] input0 Input tensor containing the interleaved Matrix A. Data type supported: U8/QASYMM8/S8/QASYMM8_SIGNED + * @param[in] input1 Input tensor containing the transposed1xW Matrix B. Data type supported: U8/QASYMM8/S8/QASYMM8_SIGNED/QSYMM8/QSYMM8_PER_CHANNEL + * @param[out] output Output tensor to store the result of matrix multiplication. Data type supported: S32 + */ + 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 NEGEMMLowpMatrixMultiplyKernel + * + * @param[in] input0 Input tensor info containing the interleaved Matrix A. Data type supported: U8/QASYMM8/S8/QASYMM8_SIGNED + * @param[in] input1 Input tensor info containing the transposed Matrix B. Data type supported: U8/QASYMM8/S8/QASYMM8_SIGNED/QSYMM8/QSYMM8_PER_CHANNEL + * @param[in] output Output tensor info to store the result of matrix multiplication. Data type supported: S32 + * + * @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; + +private: + const ITensor *_input0; + const ITensor *_input1; + ITensor *_output; + bool _slide_matrix_b; +}; +} // namespace arm_compute +#endif /*ARM_COMPUTE_NEGEMMLOWPMATRIXMULTIPLYKERNEL_H*/ |