1 /* 2 * Copyright (c) 2018-2022 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_NEON_REDUCE_MEAN_H 25 #define ARM_COMPUTE_NEON_REDUCE_MEAN_H 26 27 #include "arm_compute/runtime/IFunction.h" 28 29 #include "arm_compute/core/Types.h" 30 #include "arm_compute/runtime/MemoryGroup.h" 31 #include "arm_compute/runtime/NEON/functions/NEReductionOperation.h" 32 #include "arm_compute/runtime/NEON/functions/NEReshapeLayer.h" 33 #include "arm_compute/runtime/Tensor.h" 34 35 namespace arm_compute 36 { 37 /** Basic function to perform reduce operation */ 38 class NEReduceMean : public IFunction 39 { 40 public: 41 /** Constructor */ 42 NEReduceMean(std::shared_ptr<IMemoryManager> memory_manager = nullptr); 43 /** Prevent instances of this class from being copied (As this class contains pointers) */ 44 NEReduceMean(const NEReduceMean &) = delete; 45 /** Prevent instances of this class from being copied (As this class contains pointers) */ 46 NEReduceMean &operator=(const NEReduceMean &) = delete; 47 /** Prevent instances of this class from being moved (As this class contains non movable objects) */ 48 NEReduceMean(NEReduceMean &&) = delete; 49 /** Prevent instances of this class from being moved (As this class contains non movable objects) */ 50 NEReduceMean &operator=(NEReduceMean &&) = delete; 51 /** Default destructor */ 52 ~NEReduceMean(); 53 /** Configure kernel 54 * 55 * Valid data layouts: 56 * - All 57 * 58 * Valid data type configurations: 59 * |src |dst | 60 * |:--------------|:--------------| 61 * |QASYMM8 |QASYMM8 | 62 * |QASYMM8_SIGNED |QASYMM8_SIGNED | 63 * |F16 |F16 | 64 * |F32 |F32 | 65 * 66 * @note Supported tensor rank: up to 4 67 * 68 * @param[in] input Source tensor. Data type supported: QASYMM8_SIGNED/QASYMM8/F16/F32 69 * @param[in] reduction_axis Reduction axis vector. 70 * @param[in] keep_dims If positive, retains reduced dimensions with length 1. 71 * @param[out] output Destination tensor. Data type supported: Same as @p input 72 */ 73 void configure(ITensor *input, const Coordinates &reduction_axis, bool keep_dims, ITensor *output); 74 75 /** Static function to check if given info will lead to a valid configuration of @ref NEReduceMean 76 * 77 * @param[in] input Source tensor. Data type supported: QASYMM8_SIGNED/QASYMM8/F16/F32 78 * @param[in] reduction_axis Reduction axis vector. 79 * @param[in] keep_dims If positive, retains reduced dimensions with length 1. 80 * @param[in] output Destination tensor. Data type supported: Same as @p input 81 * 82 * @return A status 83 */ 84 static Status validate(const ITensorInfo *input, const Coordinates &reduction_axis, bool keep_dims, const ITensorInfo *output); 85 86 // Inherited methods overridden: 87 void run() override; 88 89 private: 90 MemoryGroup _memory_group; 91 std::vector<NEReductionOperation> _reduction_kernels; 92 std::vector<Tensor> _reduced_outs; 93 NEReshapeLayer _reshape; 94 int _reduction_ops; 95 bool _keep_dims; 96 }; 97 } // namespace arm_compute 98 #endif /* ARM_COMPUTE_NEON_REDUCE_MEAN_H */ 99