| /* |
| * Copyright (c) 2017-2020 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_NEREDUCTIONOPERATIONKERNEL_H |
| #define ARM_COMPUTE_NEREDUCTIONOPERATIONKERNEL_H |
| |
| #include "arm_compute/core/NEON/INEKernel.h" |
| |
| namespace arm_compute |
| { |
| class ITensor; |
| |
| /** NEON kernel to perform a reduction operation |
| * |
| * @note For ARG_MIN/ARG_MAX reduction, the default data type for an uninitialized |
| * output tensor is signed 32-bit integer (S32). It is the user's responsibility |
| * to check that the results do not overflow because the indices are computed |
| * in unsigned 32-bit (U32). |
| */ |
| class NEReductionOperationKernel : public INEKernel |
| { |
| public: |
| const char *name() const override |
| { |
| return "NEReductionOperationKernel"; |
| } |
| /** Default constructor */ |
| NEReductionOperationKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEReductionOperationKernel(const NEReductionOperationKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEReductionOperationKernel &operator=(const NEReductionOperationKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| NEReductionOperationKernel(NEReductionOperationKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| NEReductionOperationKernel &operator=(NEReductionOperationKernel &&) = default; |
| /** Default destructor */ |
| ~NEReductionOperationKernel() = default; |
| |
| /** Set the source, destination of the kernel |
| * |
| * @param[in] input Source tensor. Data type supported: QASYMM8_SIGNED/QASYMM8/F16/F32. Data layouts supported: NCHW. |
| * @param[out] output Destination tensor.Data types and data layouts supported: same as @p input, S32 for ARG_MIX/ARG_MAX. |
| * Output will have the same number of dimensions as input. |
| * @param[in] axis Axis along which to reduce. Supported reduction axis : 0 |
| * @param[in] op Reduction operation to perform. |
| */ |
| void configure(const ITensor *input, ITensor *output, unsigned int axis, ReductionOperation op); |
| |
| /** Static function to check if given info will lead to a valid configuration of @ref NEReductionOperationKernel. |
| * |
| * @param[in] input Source tensor info. Data type supported: QASYMM8_SIGNED/QASYMM8/F16/F32. Data layouts supported: NCHW. |
| * @param[in] output Destination tensor info.Data types and data layouts supported: same as @p input, S32 for ARG_MIX/ARG_MAX. |
| * Output will have the same number of dimensions as input. |
| * @param[in] axis Axis along which to reduce. Supported reduction axis : 0 |
| * @param[in] op Reduction operation to perform. |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *input, const ITensorInfo *output, unsigned int axis, ReductionOperation op); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, const ThreadInfo &info) override; |
| BorderSize border_size() const override; |
| |
| private: |
| const ITensor *_input; |
| ITensor *_output; |
| unsigned int _reduction_axis; |
| ReductionOperation _op; |
| BorderSize _border_size; |
| }; |
| } // namespace arm_compute |
| #endif /*ARM_COMPUTE_NEREDUCTIONOPERATIONKERNEL_H */ |