Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 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_NECOL2IMKERNEL_H__ |
| 25 | #define __ARM_COMPUTE_NECOL2IMKERNEL_H__ |
| 26 | |
| 27 | #include "arm_compute/core/NEON/INEKernel.h" |
| 28 | |
| 29 | namespace arm_compute |
| 30 | { |
| 31 | class ITensor; |
| 32 | |
| 33 | /** NEON kernel to perform col2im reshaping. |
| 34 | * |
| 35 | * Rearranges each matrix column into image blocks. It's the inverse operation of @ref NEIm2ColKernel. |
| 36 | * |
| 37 | * For example, a vector of 9 elements can be reshaped to a block(image) of 3x3: |
| 38 | * |
| 39 | * @f[ |
| 40 | * \left( \begin{array}{ccccccccc} |
| 41 | * a0 & a1 & a2 & a3 & a4 & a5 & a6 & a7 & a8 \\ |
| 42 | * \end{array} \right) |
| 43 | * \rightarrow |
| 44 | * \left( \begin{array}{ccc} |
| 45 | * a0 & a1 & a2 \\ |
| 46 | * a3 & a4 & a5 \\ |
| 47 | * a6 & a7 & a8 \\ |
| 48 | * \end{array} \right) |
| 49 | * @f] |
| 50 | */ |
| 51 | class NECol2ImKernel : public INEKernel |
| 52 | { |
| 53 | public: |
| 54 | /** Default constructor */ |
| 55 | NECol2ImKernel(); |
| 56 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 57 | NECol2ImKernel(const NECol2ImKernel &) = delete; |
| 58 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 59 | NECol2ImKernel &operator=(const NECol2ImKernel &) = delete; |
| 60 | /** Allow instances of this class to be moved */ |
| 61 | NECol2ImKernel(NECol2ImKernel &&) = default; |
| 62 | /** Allow instances of this class to be moved */ |
| 63 | NECol2ImKernel &operator=(NECol2ImKernel &&) = default; |
| 64 | /** Default destructor */ |
| 65 | ~NECol2ImKernel() = default; |
| 66 | |
| 67 | /** Set the input and output of the kernel. |
| 68 | * |
| 69 | * @param[in] input The input tensor to convert. Data types supported: U8/S8/QS8/U16/S16/QS16/F16/U32/S32/F32 |
| 70 | * @param[out] output The output tensor. 3 lower dimensions represent a single output [width, height, OFM], |
| 71 | * while the rest represent batch of outputs. Data types supported: Same as @p input |
| 72 | * @param[in] convolved_dims Output convolved dimensions. |
| 73 | */ |
| 74 | void configure(const ITensor *input, ITensor *output, std::pair<unsigned int, unsigned int> convolved_dims); |
| 75 | |
| 76 | // Inherited methods overridden: |
Moritz Pflanzer | c186b57 | 2017-09-07 09:48:04 +0100 | [diff] [blame] | 77 | void run(const Window &window, const ThreadInfo &info) override; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 78 | |
| 79 | private: |
| 80 | /** Template function to run the col2im |
| 81 | * |
| 82 | * @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()). |
| 83 | */ |
| 84 | template <typename T> |
| 85 | void run_col2im(const Window &window); |
| 86 | |
| 87 | /** Common signature for all the specialised col2im functions |
| 88 | * |
| 89 | * @param[in] window Region on which to execute the kernel. |
| 90 | */ |
| 91 | using Col2ImFunctionPtr = void (NECol2ImKernel::*)(const Window &window); |
| 92 | |
| 93 | Col2ImFunctionPtr _func; |
| 94 | const ITensor *_input; |
| 95 | ITensor *_output; |
| 96 | std::pair<unsigned int, unsigned int> _convolved_dims; |
| 97 | }; |
Gian Marco Iodice | 356f643 | 2017-09-22 11:32:21 +0100 | [diff] [blame] | 98 | } // namespace arm_compute |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 99 | #endif /*__ARM_COMPUTE_NECOL2IMKERNEL_H__ */ |