Isabella Gottardi | ee7c15d | 2018-12-17 16:15:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018-2019 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 | |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame^] | 25 | #ifndef ARM_COMPUTE_NESTACKLAYERKERNEL_H |
| 26 | #define ARM_COMPUTE_NESTACKLAYERKERNEL_H |
Isabella Gottardi | ee7c15d | 2018-12-17 16:15:34 +0000 | [diff] [blame] | 27 | |
| 28 | #include "arm_compute/core/NEON/INEKernel.h" |
| 29 | #include "arm_compute/core/Types.h" |
| 30 | |
| 31 | namespace arm_compute |
| 32 | { |
| 33 | class ITensor; |
| 34 | |
| 35 | /** NEON kernel to stacks a rank-R tensor into one with rank-(R+1) along the axis dimension.*/ |
| 36 | class NEStackLayerKernel : public INEKernel |
| 37 | { |
| 38 | public: |
| 39 | const char *name() const override |
| 40 | { |
| 41 | return "NEStackLayerKernel"; |
| 42 | } |
| 43 | /** Default constructor */ |
| 44 | NEStackLayerKernel(); |
| 45 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 46 | NEStackLayerKernel(const NEStackLayerKernel &) = delete; |
| 47 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 48 | NEStackLayerKernel &operator=(const NEStackLayerKernel &) = delete; |
| 49 | /** Allow instances of this class to be moved */ |
| 50 | NEStackLayerKernel(NEStackLayerKernel &&) = default; |
| 51 | /** Allow instances of this class to be moved */ |
| 52 | NEStackLayerKernel &operator=(NEStackLayerKernel &&) = default; |
| 53 | /** Default destructor */ |
| 54 | ~NEStackLayerKernel() = default; |
| 55 | /** Initialise the kernel's inputs and output |
| 56 | * |
| 57 | * @note Supported input tensor rank: up to 4 |
| 58 | * |
| 59 | * @param[in] input Input tensor. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32 |
| 60 | * @param[in] axis The dimension to stack the tensors along. It must be smaller than the number of input dimensions. |
| 61 | * @param[in] idx_input Index of the input tensor in the list of tensors to stack. |
| 62 | * All tensors in the list must have the same shape |
| 63 | * @param[in] num_tensors Number of tensors to stack |
| 64 | * @param[out] output Output tensor. Data types supported: Same as @p input. |
| 65 | * |
| 66 | */ |
| 67 | void configure(const ITensor *input, unsigned int axis, unsigned int idx_input, unsigned int num_tensors, ITensor *output); |
| 68 | /** Static function to check if given info will lead to a valid configuration of @ref NEStackLayerKernel |
| 69 | * |
| 70 | * @note Supported input tensor rank: up to 4 |
| 71 | * |
| 72 | * @param[in] input Input tensor info. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32 |
| 73 | * @param[in] axis The dimension to stack the tensors along. It must be smaller than the number of input dimensions. |
| 74 | * @param[in] idx_input Index of the input tensor in the list of tensors to stack |
| 75 | * All tensors in the list must have the same shape |
| 76 | * @param[in] num_tensors Number of tensors to stack |
| 77 | * @param[in] output Output tensor info. Data types supported: Same as @p input. |
| 78 | * |
| 79 | * @return a status |
| 80 | */ |
| 81 | static Status validate(const ITensorInfo *input, unsigned int axis, unsigned int idx_input, unsigned int num_tensors, const ITensorInfo *output); |
| 82 | |
| 83 | // Inherited methods overridden |
| 84 | void run(const Window &window, const ThreadInfo &info) override; |
| 85 | |
| 86 | private: |
Isabella Gottardi | ee7c15d | 2018-12-17 16:15:34 +0000 | [diff] [blame] | 87 | const ITensor *_input; |
| 88 | ITensor *_output; |
| 89 | unsigned int _axis; |
| 90 | unsigned int _idx_input; |
Isabella Gottardi | ee7c15d | 2018-12-17 16:15:34 +0000 | [diff] [blame] | 91 | }; |
| 92 | } // namespace arm_compute |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame^] | 93 | #endif /* ARM_COMPUTE_NESTACKLAYERKERNEL_H */ |