1 /* 2 * Copyright (c) 2018-2020 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_NECHANNELSHUFFLELAYERKERNEL_H 25 #define ARM_COMPUTE_NECHANNELSHUFFLELAYERKERNEL_H 26 27 #include "src/core/NEON/INEKernel.h" 28 29 namespace arm_compute 30 { 31 // Forward declarations 32 class ITensor; 33 34 /** Interface for the channel shuffle kernel */ 35 class NEChannelShuffleLayerKernel : public INEKernel 36 { 37 public: name()38 const char *name() const override 39 { 40 return "NEChannelShuffleLayerKernel"; 41 } 42 /** Default constructor */ 43 NEChannelShuffleLayerKernel(); 44 /** Prevent instances of this class from being copied (As this class contains pointers) */ 45 NEChannelShuffleLayerKernel(const NEChannelShuffleLayerKernel &) = delete; 46 /** Prevent instances of this class from being copied (As this class contains pointers) */ 47 NEChannelShuffleLayerKernel &operator=(const NEChannelShuffleLayerKernel &) = delete; 48 /** Allow instances of this class to be moved */ 49 NEChannelShuffleLayerKernel(NEChannelShuffleLayerKernel &&) = default; 50 /** Allow instances of this class to be moved */ 51 NEChannelShuffleLayerKernel &operator=(NEChannelShuffleLayerKernel &&) = default; 52 /** Default destructor */ 53 ~NEChannelShuffleLayerKernel() = default; 54 /** Configure function's inputs and outputs. 55 * 56 * @param[in] input Input tensor. Data types supported: All 57 * @param[out] output Output tensor. Data type supported: Same as @p input 58 * @param[in] num_groups Number of groups. Must be greater than 1 and the number of channels of the tensors must be a multiple of the number of groups. 59 */ 60 void configure(const ITensor *input, ITensor *output, unsigned int num_groups); 61 /** Static function to check if given info will lead to a valid configuration of @ref NEChannelShuffleLayerKernel 62 * 63 * @param[in] input Input tensor. Data types supported: All 64 * @param[out] output Output tensor. Data type supported: Same as @p input 65 * @param[in] num_groups Number of groups. Must be greater than 1 and the number of channels of the tensors must be a multiple of the number of groups. 66 * 67 * @return a status 68 */ 69 static Status validate(const ITensorInfo *input, const ITensorInfo *output, unsigned int num_groups); 70 71 // Inherited methods overridden: 72 void run(const Window &window, const ThreadInfo &info) override; 73 74 private: 75 const ITensor *_input; 76 ITensor *_output; 77 unsigned int _num_groups; 78 }; 79 } // namespace arm_compute 80 #endif /* ARM_COMPUTE_NECHANNELSHUFFLELAYERKERNEL_H */ 81