| /* |
| * 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_CL_GEMMLOWP_OUTPUT_STAGE_H |
| #define ARM_COMPUTE_CL_GEMMLOWP_OUTPUT_STAGE_H |
| |
| #include "src/gpu/cl/ClCompileContext.h" |
| #include "src/gpu/cl/IClOperator.h" |
| |
| /** This file contains all available output stages for GEMMLowp on OpenCL. |
| * |
| * In gemmlowp, the "output stage" is the process that takes a final int32 accumulator value (the output of @ref CLGEMMLowpMatrixMultiplyCore), |
| * and processes it to obtain the final QASYMM8/QASYMM8_SIGNED value. |
| * |
| * More information about the GEMMLowp output stage can be found at https://github.com/google/gemmlowp/blob/master/doc/output.md |
| */ |
| |
| namespace arm_compute |
| { |
| namespace opencl |
| { |
| /** Basic function to execute GEMMLowpQuantizeDown kernels on CL. |
| * |
| * This function calls the following CL kernels: |
| * |
| * -# @ref opencl::kernels::ClGemmLowpQuantizeDownInt32ScaleKernel |
| * -# @ref opencl::kernels::ClGemmLowpQuantizeDownInt32ScaleByFloatKernel |
| * -# @ref opencl::kernels::ClGemmLowpQuantizeDownInt32ScaleByFixedPointKernel |
| */ |
| class ClGemmLowpOutputStage : public IClOperator |
| { |
| public: |
| /** Constructor */ |
| ClGemmLowpOutputStage() = default; |
| /** Initialise the kernel's inputs, output |
| * |
| * Valid data layouts: |
| * - All |
| * |
| * Valid data type configurations: |
| * |src0 |src1 |dst | |
| * |:--------------|:-------------|:-------------| |
| * |S32 |S32 |QASYMM8 | |
| * |S32 |S32 |QASYMM8_SIGNED| |
| * |S32 |S32 |QSYMM16 | |
| * |
| * @param[in] compile_context The compile context to be used. |
| * @param[in] src Source tensor. Data type supported: S32 |
| * @param[in] bias Biases tensor. Only shared biases supported and it can be a nullptr if the biases addition is not required. |
| * Biases are 1D tensor with dimensions [OFM]. Data type supported: Same as @p src. |
| * @param[out] dst Destination tensor. Data type supported: QASYMM8/QASYMM8_SIGNED |
| * @param[in] info GEMMLowp output stage metadata. |
| */ |
| void configure(const CLCompileContext &compile_context, const ITensorInfo *src, const ITensorInfo *bias, ITensorInfo *dst, const GEMMLowpOutputStageInfo &info); |
| /** Static function to check if given info will lead to a valid configuration |
| * |
| * Similar to ClGemmLowpOutputStage::configure() |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *src, const ITensorInfo *bias, const ITensorInfo *dst, const GEMMLowpOutputStageInfo &info); |
| |
| // Inherited methods overridden: |
| void run(ITensorPack &tensors) override; |
| }; |
| } // namespace opencl |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_CL_GEMMLOWP_OUTPUT_STAGE_H */ |