| /* |
| * Copyright (c) 2017 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_CLGEMMLOWPMATRIXMULTIPLYKERNEL_H__ |
| #define __ARM_COMPUTE_CLGEMMLOWPMATRIXMULTIPLYKERNEL_H__ |
| |
| #include "arm_compute/core/CL/ICLKernel.h" |
| |
| namespace arm_compute |
| { |
| class ICLTensor; |
| |
| /** OpenCL kernel to compute low precision matrix multiplication kernel |
| * |
| * This kernel performs the following computation: |
| * -# Convert a values from uint8 to int32 and add a_offset to each of them. |
| * -# Convert b values from uint8 to int32 and add b_offset to each of them. |
| * -# Compute the int32 matrix product of the resulting a * b. |
| * -# Add output_offset to each entry of the result. |
| * -# Multiply each entry of the result and round to the nearest integer |
| * -# Clamp the resulting int32 values to the [0..255] range and cast to uint8. |
| */ |
| class CLGEMMLowpMatrixMultiplyKernel : public ICLKernel |
| { |
| public: |
| /** Default Constructor */ |
| CLGEMMLowpMatrixMultiplyKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLGEMMLowpMatrixMultiplyKernel(const CLGEMMLowpMatrixMultiplyKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLGEMMLowpMatrixMultiplyKernel &operator=(const CLGEMMLowpMatrixMultiplyKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| CLGEMMLowpMatrixMultiplyKernel(CLGEMMLowpMatrixMultiplyKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| CLGEMMLowpMatrixMultiplyKernel &operator=(CLGEMMLowpMatrixMultiplyKernel &&) = default; |
| /** Initialise the kernel's input and output. |
| * |
| * The input matrices @p input0 and @p input1 must be the output of the kernels: @ref CLGEMMInterleave4x4Kernel and @ref CLGEMMTranspose1xWKernel. |
| * 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 types supported: U8 |
| * @param[in] input1 Input tensor containing the transposed Matrix B. Data types supported: same as @p input0 |
| * @param[out] output Output tensor to store the result of matrix multiplication, Data types supported: same as @p input0 |
| * @param[in] a_offset Offset to be added to each element of the matrix A. |
| * @param[in] b_offset Offset to be added to each element of the matrix B. |
| * @param[in] output_offset Offset to be added to each element of the output matrix |
| * @param[in] output_mult_int Offset to be added to each element of the output matrix |
| * @param[in] shift Number of bits to shift right the result. |
| */ |
| void configure(const ICLTensor *input0, const ICLTensor *input1, ICLTensor *output, int32_t a_offset, int32_t b_offset, int32_t output_offset, int32_t output_mult_int, int32_t shift); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, cl::CommandQueue &queue) override; |
| |
| private: |
| const ICLTensor *_input0; |
| const ICLTensor *_input1; |
| ICLTensor *_output; |
| }; |
| } |
| #endif /*__ARM_COMPUTE_CLGEMMLOWPMATRIXMULTIPLYKERNEL_H__*/ |