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Diffstat (limited to 'src/core/NEON/kernels/NEReductionOperationKernel.h')
-rw-r--r-- | src/core/NEON/kernels/NEReductionOperationKernel.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NEReductionOperationKernel.h b/src/core/NEON/kernels/NEReductionOperationKernel.h new file mode 100644 index 0000000000..dfc105adae --- /dev/null +++ b/src/core/NEON/kernels/NEReductionOperationKernel.h @@ -0,0 +1,92 @@ +/* + * 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 "src/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/S32. 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/S32. 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; + +private: + const ITensor *_input; + ITensor *_output; + unsigned int _reduction_axis; + ReductionOperation _op; +}; +} // namespace arm_compute +#endif /*ARM_COMPUTE_NEREDUCTIONOPERATIONKERNEL_H */ |