| /* |
| * Copyright (c) 2017-2021 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_CPU_GEMMLOWP_MATRIXMULTIPLY_KERNEL_H |
| #define ARM_COMPUTE_CPU_GEMMLOWP_MATRIXMULTIPLY_KERNEL_H |
| |
| #include "src/core/common/Macros.h" |
| #include "src/core/cpu/ICpuKernel.h" |
| |
| namespace arm_compute |
| { |
| namespace cpu |
| { |
| namespace kernels |
| { |
| /** Kernel to multiply matrices |
| * |
| * @note @ref CpuGemmLowpMatrixMultiplyKernel 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 CpuGemmLowpMatrixMultiplyKernel : public ICpuKernel |
| { |
| public: |
| /** Default constructor */ |
| CpuGemmLowpMatrixMultiplyKernel() = default; |
| ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuGemmLowpMatrixMultiplyKernel); |
| /** Initialise the kernel's input and output. |
| * |
| * The input matrices @p src0 and @p src1 must be the output of the kernels: @ref CpuGemmInterleave4x4Kernel and @ref CpuGemmTranspose1xWKernel. These two |
| * kernels change the layout of the original matrices to be more cache-friendly. |
| * |
| * @param[in] src0 Input tensor info containing the interleaved Matrix A. Data type supported: U8/QASYMM8/S8/QASYMM8_SIGNED |
| * @param[in] src1 Input tensor info containing the transposed1xW Matrix B. Data type supported: U8/QASYMM8/S8/QASYMM8_SIGNED/QSYMM8/QSYMM8_PER_CHANNEL |
| * @param[out] dst Output tensor info to store the result of matrix multiplication. Data type supported: S32 |
| */ |
| void configure(const ITensorInfo *src0, const ITensorInfo *src1, ITensorInfo *dst); |
| /** Static function to check if given info will lead to a valid configuration |
| * |
| * Similar to CpuGemmLowpMatrixMultiplyKernel::configure() |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *src0, const ITensorInfo *src1, const ITensorInfo *dst); |
| |
| // Inherited methods overridden: |
| void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override; |
| const char *name() const override; |
| |
| private: |
| bool _slide_matrix_b{ true }; |
| }; |
| } // namespace kernels |
| } // namespace cpu |
| } // namespace arm_compute |
| #endif /*ARM_COMPUTE_CPU_GEMMLOWP_MATRIXMULTIPLY_KERNEL_H*/ |