1 /* 2 * Copyright (c) 2017-2020 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_NEPOOLINGLAYER_H 25 #define ARM_COMPUTE_NEPOOLINGLAYER_H 26 27 #include "arm_compute/runtime/IFunction.h" 28 29 #include "arm_compute/core/Types.h" 30 #include <memory> 31 32 namespace arm_compute 33 { 34 class ITensor; 35 class ITensorInfo; 36 class NEPoolingLayerKernel; 37 class NEFillBorderKernel; 38 39 /** Basic function to simulate a pooling layer with the specified pooling operation. This function calls the following NEON kernels: 40 * 41 * -# @ref NEFillBorderKernel (executed if padding size is different from zero) 42 * -# @ref NEPoolingLayerKernel 43 */ 44 class NEPoolingLayer : public IFunction 45 { 46 public: 47 /** Constructor */ 48 NEPoolingLayer(); 49 /** Prevent instances of this class from being copied (As this class contains pointers) */ 50 NEPoolingLayer(const NEPoolingLayer &) = delete; 51 /** Prevent instances of this class from being copied (As this class contains pointers) */ 52 NEPoolingLayer &operator=(const NEPoolingLayer &) = delete; 53 /** Prevent instances of this class from being moved (As this class contains non movable objects) */ 54 NEPoolingLayer(NEPoolingLayer &&) = delete; 55 /** Prevent instances of this class from being moved (As this class contains non movable objects) */ 56 NEPoolingLayer &operator=(NEPoolingLayer &&) = delete; 57 /** Default destructor */ 58 ~NEPoolingLayer(); 59 /** Set the input and output tensors. 60 * 61 * @note F16 is supported for pool sizes 2 and 3 only 62 * 63 * @param[in, out] input Source tensor. (Written to only when padding != 0) Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 64 * @param[out] output Destination tensor. Data types supported: Same as @p input. 65 * @param[in] pool_info Contains pooling operation information described in @ref PoolingLayerInfo. 66 * @param[out] indices (optional) The indices of the maximal values. Data type supported: U32. 67 */ 68 void configure(ITensor *input, ITensor *output, const PoolingLayerInfo &pool_info, ITensor *indices = nullptr); 69 /** Static function to check if given info will lead to a valid configuration of @ref NEPoolingLayer 70 * 71 * @note F16 is supported for pool sizes 2 and 3 only 72 * 73 * @param[in] input Source tensor info. (Written to only when padding != 0) Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 74 * @param[in] output Destination tensor info. Data types supported: Same as @p input. 75 * @param[in] pool_info Contains pooling operation information described in @ref PoolingLayerInfo. 76 * @param[in] indices (optional) Tensor info of the indices of the maximal values. Data type supported: U32. 77 * 78 * @return a status 79 */ 80 static Status validate(const ITensorInfo *input, const ITensorInfo *output, const PoolingLayerInfo &pool_info, const ITensorInfo *indices = nullptr); 81 82 // Inherited methods overridden: 83 void run() override; 84 85 private: 86 std::unique_ptr<NEPoolingLayerKernel> _pooling_layer_kernel; 87 std::unique_ptr<NEFillBorderKernel> _border_handler; 88 bool _is_global_pooling_layer; 89 DataLayout _data_layout; 90 }; 91 } 92 #endif /* ARM_COMPUTE_NEPOOLINGLAYER_H */ 93