morgolock | 37722d9 | 2020-04-09 14:17:48 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2020 ARM Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #ifndef ARM_COMPUTE_NEMAXUNPOOLINGLAYERKERNEL_H |
| 25 | #define ARM_COMPUTE_NEMAXUNPOOLINGLAYERKERNEL_H |
| 26 | |
| 27 | #include "arm_compute/core/NEON/INEKernel.h" |
| 28 | |
| 29 | namespace arm_compute |
| 30 | { |
| 31 | class ITensor; |
| 32 | |
| 33 | /** Interface for the pooling layer kernel */ |
| 34 | class NEMaxUnpoolingLayerKernel : public INEKernel |
| 35 | { |
| 36 | public: |
| 37 | const char *name() const override |
| 38 | { |
| 39 | return "NEMaxUnpoolingLayerKernel"; |
| 40 | } |
| 41 | /** Default constructor */ |
| 42 | NEMaxUnpoolingLayerKernel(); |
| 43 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 44 | NEMaxUnpoolingLayerKernel(const NEMaxUnpoolingLayerKernel &) = delete; |
| 45 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 46 | NEMaxUnpoolingLayerKernel &operator=(const NEMaxUnpoolingLayerKernel &) = delete; |
| 47 | /** Allow instances of this class to be moved */ |
| 48 | NEMaxUnpoolingLayerKernel(NEMaxUnpoolingLayerKernel &&) = default; |
| 49 | /** Allow instances of this class to be moved */ |
| 50 | NEMaxUnpoolingLayerKernel &operator=(NEMaxUnpoolingLayerKernel &&) = default; |
| 51 | /** Default destructor */ |
| 52 | ~NEMaxUnpoolingLayerKernel() = default; |
| 53 | /** Set the input and output tensors. |
| 54 | * |
| 55 | * @note Output shape must be equal to the shape of the original input to pool. |
| 56 | * |
| 57 | * @param[in] input Source tensor. Data types supported: F16/F32. |
| 58 | * @param[out] indices The indices of the maximal values. Data type supported: U32. |
| 59 | * @param[out] output Destination tensor. Data types supported: Same as @p input. |
| 60 | * @param[in] pool_info Contains pooling operation information described in @ref PoolingLayerInfo. |
| 61 | */ |
| 62 | void configure(const ITensor *input, const ITensor *indices, ITensor *output, const PoolingLayerInfo &pool_info); |
| 63 | /** Static function to check if given info will lead to a valid configuration of @ref NEMaxUnpoolingLayerKernel |
| 64 | * |
| 65 | * @param[in] input Source tensor. Data types supported: F16/F32. |
| 66 | * @param[in] output Destination tensor. Data types supported: Same as @p input. |
| 67 | * @param[in] indices The indices of the maximal values. Data type supported: U32. |
| 68 | * @param[in] pool_info Contains pooling operation information described in @ref PoolingLayerInfo. |
| 69 | * |
| 70 | * @return a status |
| 71 | */ |
| 72 | static Status validate(const ITensorInfo *input, const ITensorInfo *indices, const ITensorInfo *output, const PoolingLayerInfo &pool_info); |
| 73 | |
| 74 | // Inherited methods overridden: |
| 75 | void run(const Window &window, const ThreadInfo &info) override; |
| 76 | |
| 77 | private: |
| 78 | /** Function to perform 2x2 pooling and compute the pooling indices. The indices can be used for max unpool. |
| 79 | * |
| 80 | * @param[in] window_input Input region on which to execute the kernel. |
| 81 | */ |
| 82 | template <typename T> |
| 83 | void unpooling2(const Window &window_input); |
| 84 | |
| 85 | using UnpoolingFunction = void (NEMaxUnpoolingLayerKernel::*)(const Window &window); |
| 86 | |
| 87 | private: |
| 88 | UnpoolingFunction _func; |
| 89 | const ITensor *_input; |
| 90 | ITensor *_output; |
| 91 | const ITensor *_indices; |
| 92 | PoolingLayerInfo _pool_info; |
| 93 | DataLayout _data_layout; |
| 94 | unsigned int _num_elems_processed_per_iteration; |
| 95 | }; |
| 96 | } // namespace arm_compute |
| 97 | #endif /*ARM_COMPUTE_NEMAXUNPOOLINGLAYERKERNEL_H */ |