1 /* 2 * Copyright (c) 2018-2021 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_NECONCATENATELAYER_H 25 #define ARM_COMPUTE_NECONCATENATELAYER_H 26 27 #include "arm_compute/runtime/IFunction.h" 28 29 #include "arm_compute/core/Types.h" 30 31 #include <memory> 32 33 namespace arm_compute 34 { 35 // Forward declarations 36 class ITensor; 37 class ITensorInfo; 38 class Status; 39 40 /** Basic function to execute concatenate tensors along a given axis */ 41 class NEConcatenateLayer : public IFunction 42 { 43 public: 44 /** Default constructor */ 45 NEConcatenateLayer(); 46 /** Destructor */ 47 ~NEConcatenateLayer(); 48 /** Prevent instances of this class from being copied (As this class contains pointers) */ 49 NEConcatenateLayer(const NEConcatenateLayer &) = delete; 50 /** Default move constructor */ 51 NEConcatenateLayer(NEConcatenateLayer &&); 52 /** Prevent instances of this class from being copied (As this class contains pointers) */ 53 NEConcatenateLayer &operator=(const NEConcatenateLayer &) = delete; 54 /** Default move assignment operator */ 55 NEConcatenateLayer &operator=(NEConcatenateLayer &&); 56 /** Initialise the kernel's inputs vector and output. 57 * 58 * Valid data layouts: 59 * - All 60 * 61 * Valid data type configurations: 62 * |src |dst | 63 * |:--------------|:--------------| 64 * |QASYMM8 |QASYMM8 | 65 * |QASYMM8_SIGNED |QASYMM8_SIGNED | 66 * |F16 |F16 | 67 * |F32 |F32 | 68 * 69 * @note Input and output tensor dimensions preconditions defer depending on the concatenation axis. 70 * @note Preconditions can be found respectively at @ref cpu::kernels::CpuConcatenateWidthKernel, @ref cpu::kernels::CpuConcatenateHeightKernel, 71 * @ref cpu::kernels::CpuConcatenateDepthKernel and @ref cpu::kernels::CpuConcatenateBatchKernel. 72 * 73 * @param[in,out] inputs_vector The vectors containing all the tensors to concatenate. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 74 * @param[out] output Output tensor. Data types supported: Same as @p input. 75 * @param[in] axis Concatenation axis. Supported underlying concatenation axis are 0, 1, 2 and 3. 76 */ 77 void configure(std::vector<const ITensor *> inputs_vector, ITensor *output, size_t axis); 78 /** Static function to check if given info will lead to a valid configuration of @ref NEConcatenateLayer 79 * 80 * @note Input and output tensor dimensions preconditions defer depending on the concatenation axis. 81 * @note Preconditions can be found respectively at @ref cpu::kernels::CpuConcatenateWidthKernel, @ref cpu::kernels::CpuConcatenateHeightKernel, 82 * @ref cpu::kernels::CpuConcatenateDepthKernel and @ref cpu::kernels::CpuConcatenateBatchKernel. 83 * 84 * @param[in] inputs_vector The vectors containing all the tensors info to concatenate. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 85 * @param[in] output Output tensor info. Data types supported: Same as @p input. 86 * @param[in] axis Concatenation axis. Supported underlying concatenation axis are 0, 1, 2 and 3. 87 * 88 * @return a status 89 */ 90 static Status validate(const std::vector<const ITensorInfo *> &inputs_vector, const ITensorInfo *output, size_t axis); 91 92 // Inherited methods overridden: 93 void run() override; 94 95 private: 96 struct Impl; 97 std::unique_ptr<Impl> _impl; 98 }; 99 } // namespace arm_compute 100 #endif /* ARM_COMPUTE_NECONCATENATELAYER_H */ 101