1 /* 2 * Copyright (c) 2017-2022 Arm Limited. 3 * 4 * SPDX-License-Identifier: MIT 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to 8 * deal in the Software without restriction, including without limitation the 9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10 * sell copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in all 14 * copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 */ 24 #ifndef ARM_COMPUTE_CPU_GEMMLOWP_MATRIXMULTIPLY_KERNEL_H 25 #define ARM_COMPUTE_CPU_GEMMLOWP_MATRIXMULTIPLY_KERNEL_H 26 27 #include "src/core/common/Macros.h" 28 #include "src/cpu/ICpuKernel.h" 29 30 namespace arm_compute 31 { 32 namespace cpu 33 { 34 namespace kernels 35 { 36 /** Kernel to multiply matrices 37 * 38 * @note @ref CpuGemmLowpMatrixMultiplyKernel low precision matrix product kernel 39 * This kernel performs the following computation: 40 * 41 * -# Convert a values from int8 to int32 42 * -# Convert b values from int8 to int32 43 * -# Compute the int32 matrix product of the resulting a * b and store the result as int32 44 * 45 */ 46 class CpuGemmLowpMatrixMultiplyKernel : public ICpuKernel<CpuGemmLowpMatrixMultiplyKernel> 47 { 48 public: 49 /** Default constructor */ 50 CpuGemmLowpMatrixMultiplyKernel() = default; 51 ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuGemmLowpMatrixMultiplyKernel); 52 /** Initialise the kernel's input and output. 53 * 54 * The input matrices @p src0 and @p src1 must be the output of the kernels: @ref CpuGemmInterleave4x4Kernel and @ref CpuGemmTranspose1xWKernel. These two 55 * kernels change the layout of the original matrices to be more cache-friendly. 56 * 57 * @param[in] src0 Input tensor info containing the interleaved Matrix A. Data type supported: U8/QASYMM8/S8/QASYMM8_SIGNED 58 * @param[in] src1 Input tensor info containing the transposed1xW Matrix B. Data type supported: U8/QASYMM8/S8/QASYMM8_SIGNED/QSYMM8/QSYMM8_PER_CHANNEL 59 * @param[out] dst Output tensor info to store the result of matrix multiplication. Data type supported: S32 60 */ 61 void configure(const ITensorInfo *src0, const ITensorInfo *src1, ITensorInfo *dst); 62 /** Static function to check if given info will lead to a valid configuration 63 * 64 * Similar to CpuGemmLowpMatrixMultiplyKernel::configure() 65 * 66 * @return a status 67 */ 68 static Status validate(const ITensorInfo *src0, const ITensorInfo *src1, const ITensorInfo *dst); 69 70 // Inherited methods overridden: 71 void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override; 72 const char *name() const override; 73 74 private: 75 bool _slide_matrix_b{ true }; 76 }; 77 } // namespace kernels 78 } // namespace cpu 79 } // namespace arm_compute 80 #endif /*ARM_COMPUTE_CPU_GEMMLOWP_MATRIXMULTIPLY_KERNEL_H*/ 81