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Diffstat (limited to 'src/core/NEON/kernels/NEMaxUnpoolingLayerKernel.h')
| -rw-r--r-- | src/core/NEON/kernels/NEMaxUnpoolingLayerKernel.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NEMaxUnpoolingLayerKernel.h b/src/core/NEON/kernels/NEMaxUnpoolingLayerKernel.h new file mode 100644 index 0000000000..8cdfe2b953 --- /dev/null +++ b/src/core/NEON/kernels/NEMaxUnpoolingLayerKernel.h @@ -0,0 +1,97 @@ +/* + * Copyright (c) 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_NEMAXUNPOOLINGLAYERKERNEL_H +#define ARM_COMPUTE_NEMAXUNPOOLINGLAYERKERNEL_H + +#include "src/core/NEON/INEKernel.h" + +namespace arm_compute +{ +class ITensor; + +/** Interface for the pooling layer kernel */ +class NEMaxUnpoolingLayerKernel : public INEKernel +{ +public: + const char *name() const override + { + return "NEMaxUnpoolingLayerKernel"; + } + /** Default constructor */ + NEMaxUnpoolingLayerKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEMaxUnpoolingLayerKernel(const NEMaxUnpoolingLayerKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEMaxUnpoolingLayerKernel &operator=(const NEMaxUnpoolingLayerKernel &) = delete; + /** Allow instances of this class to be moved */ + NEMaxUnpoolingLayerKernel(NEMaxUnpoolingLayerKernel &&) = default; + /** Allow instances of this class to be moved */ + NEMaxUnpoolingLayerKernel &operator=(NEMaxUnpoolingLayerKernel &&) = default; + /** Default destructor */ + ~NEMaxUnpoolingLayerKernel() = default; + /** Set the input and output tensors. + * + * @note Output shape must be equal to the shape of the original input to pool. + * + * @param[in] input Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. + * @param[in] indices Tensor containing the offset to store the input elements in the output tensor. + * @ref NEPoolingLayerKernel with indices should precede this function in order to + * properly reconstruct the output tensor. + * The tensor shape of this tensor has to be equal to the input tensor shape. Data type supported: U32. + * @param[out] output Destination tensor. Data types supported: Same as @p input. + * @param[in] pool_info Contains pooling operation information described in @ref PoolingLayerInfo. + */ + void configure(const ITensor *input, const ITensor *indices, ITensor *output, const PoolingLayerInfo &pool_info); + /** Static function to check if given info will lead to a valid configuration of @ref NEMaxUnpoolingLayerKernel + * + * @param[in] input Source tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. + * @param[in] output Destination tensor info. Data types supported: Same as @p input. + * @param[in] indices Tensor info of the indices of the maximal values. Data type supported: U32. + * @param[in] pool_info Contains pooling operation information described in @ref PoolingLayerInfo. + * + * @return a status + */ + static Status validate(const ITensorInfo *input, const ITensorInfo *indices, const ITensorInfo *output, const PoolingLayerInfo &pool_info); + + // Inherited methods overridden: + void run(const Window &window, const ThreadInfo &info) override; + +private: + /** Function to perform 2x2 pooling and compute the pooling indices. The indices can be used for max unpool. + * + * @param[in] window_input Input region on which to execute the kernel. + */ + template <typename T> + void unpooling2(const Window &window_input); + + using UnpoolingFunction = void (NEMaxUnpoolingLayerKernel::*)(const Window &window); + +private: + UnpoolingFunction _func; + const ITensor *_input; + ITensor *_output; + const ITensor *_indices; +}; +} // namespace arm_compute +#endif /*ARM_COMPUTE_NEMAXUNPOOLINGLAYERKERNEL_H */ |