| /* |
| * Copyright (c) 2016, 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_CLGEMMLOWP_H__ |
| #define __ARM_COMPUTE_CLGEMMLOWP_H__ |
| |
| #include "arm_compute/core/CL/ICLKernel.h" |
| #include "arm_compute/core/CL/kernels/CLGEMMInterleave4x4Kernel.h" |
| #include "arm_compute/core/CL/kernels/CLGEMMLowpMatrixMultiplyKernel.h" |
| #include "arm_compute/core/CL/kernels/CLGEMMTranspose1xWKernel.h" |
| #include "arm_compute/runtime/CL/CLMemoryGroup.h" |
| #include "arm_compute/runtime/CL/CLTensor.h" |
| #include "arm_compute/runtime/IFunction.h" |
| #include "arm_compute/runtime/IMemoryManager.h" |
| |
| #include <memory> |
| |
| namespace arm_compute |
| { |
| class ICLTensor; |
| |
| /** Basic function to execute GEMMLowp on OpenCL. This function calls the following OpenCL kernels: |
| * |
| * -# @ref CLGEMMInterleave4x4Kernel |
| * -# @ref CLGEMMTranspose1xWKernel |
| * -# @ref CLGEMMLowpMatrixMultiplyKernel |
| * |
| */ |
| class CLGEMMLowp : public IFunction |
| { |
| public: |
| /** Constructor */ |
| CLGEMMLowp(std::shared_ptr<IMemoryManager> memory_manager = nullptr); |
| /** Initialise the kernel's inputs, output |
| * |
| * @note GEMM_LOWP: low precision matrix multiply 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. |
| * |
| * @param[in] a First input tensor (Matrix A). Data types supported: U8. |
| * @param[in] b Second input tensor (Matrix B). Data types supported: same as @p a. |
| * @param[out] output Output tensor. Data types supported: same as @p a. |
| * @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 Multiplied with each element of the output matrix |
| * @param[in] shift Number of bits to shift right the result. |
| */ |
| void configure(const ICLTensor *a, const ICLTensor *b, 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() override; |
| |
| private: |
| CLMemoryGroup _memory_group; |
| CLGEMMInterleave4x4Kernel _interleave_kernel; |
| CLGEMMTranspose1xWKernel _transpose_kernel; |
| CLGEMMLowpMatrixMultiplyKernel _mm_kernel; |
| CLTensor _tmp_a; |
| CLTensor _tmp_b; |
| }; |
| } |
| #endif /*__ARM_COMPUTE_CLGEMMLOWP_H__ */ |