Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 1 | /* |
Usama Arif | 881f2de | 2019-04-12 10:29:17 +0100 | [diff] [blame] | 2 | * Copyright (c) 2017-2019 ARM Limited. |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 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_NEDEPTHWISEIM2COLKERNEL_H__ |
| 25 | #define __ARM_COMPUTE_NEDEPTHWISEIM2COLKERNEL_H__ |
| 26 | |
| 27 | #include "arm_compute/core/NEON/INEKernel.h" |
| 28 | #include "arm_compute/core/Size2D.h" |
| 29 | |
| 30 | namespace arm_compute |
| 31 | { |
| 32 | class ITensor; |
| 33 | |
| 34 | /** Interface for the depthwise im2col reshape kernel. |
| 35 | * This kernel reshape the input low 3 dimensions to a new 3D shape where the output's first dimension is |
| 36 | * the linear patch size (FILTER_WIDTH * FILTER_HEIGHT) and second dimension is number of patches in per image and third dimension unchanged . |
| 37 | **/ |
| 38 | class NEDepthwiseIm2ColKernel : public INEKernel |
| 39 | { |
| 40 | public: |
Anthony Barbier | e8a4983 | 2018-01-18 10:04:05 +0000 | [diff] [blame] | 41 | const char *name() const override |
| 42 | { |
| 43 | return "NEDepthwiseIm2ColKernel"; |
| 44 | } |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 45 | /** Default constructor */ |
| 46 | NEDepthwiseIm2ColKernel(); |
| 47 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 48 | NEDepthwiseIm2ColKernel(const NEDepthwiseIm2ColKernel &) = delete; |
| 49 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 50 | NEDepthwiseIm2ColKernel &operator=(const NEDepthwiseIm2ColKernel &) = delete; |
| 51 | /** Allow instances of this class to be moved */ |
| 52 | NEDepthwiseIm2ColKernel(NEDepthwiseIm2ColKernel &&) = default; |
| 53 | /** Allow instances of this class to be moved */ |
| 54 | NEDepthwiseIm2ColKernel &operator=(NEDepthwiseIm2ColKernel &&) = default; |
| 55 | /** Set the input and output of the kernel. |
| 56 | * |
Giorgio Arena | 7657224 | 2018-04-04 17:44:26 +0100 | [diff] [blame] | 57 | * @param[in] input The input tensor to convert. 3 lower dimensions represent a single input [width, height, IFM], |
Georgios Pinitas | 8cffcd6 | 2018-11-16 17:11:50 +0000 | [diff] [blame] | 58 | * while every optional dimension from 4 and above represent a batch of inputs. Data types supported: QASYMM8/F16/F32 |
Giorgio Arena | 7657224 | 2018-04-04 17:44:26 +0100 | [diff] [blame] | 59 | * @param[out] output The output tensor. First 3 lower dimensions represent a transform of each 3D input, |
| 60 | * while every dimension above 3 represents a batch. Data types supported: Same as @p input |
| 61 | * @param[in] kernel_dims The kernel dimensions (width and height). |
| 62 | * @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo. |
| 63 | * @param[in] has_bias Boolean that specifies if the depthwise convolution has bias. |
| 64 | * @param[in] depth_multiplier (Optional) Multiplier to apply to the input's depth in order to retrieve the output's depth. Defaults to 1. |
Usama Arif | 881f2de | 2019-04-12 10:29:17 +0100 | [diff] [blame] | 65 | * @param[in] dilation (Optional) Dilation, in elements, across x and y. Defaults to (1, 1). |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 66 | */ |
Usama Arif | 881f2de | 2019-04-12 10:29:17 +0100 | [diff] [blame] | 67 | void configure(const ITensor *input, ITensor *output, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias = false, unsigned int depth_multiplier = 1, |
| 68 | const Size2D &dilation = Size2D(1U, 1U)); |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 69 | |
Abe Mbise | 7784c83 | 2018-05-31 16:48:41 +0100 | [diff] [blame] | 70 | /** Static function to check if given info will lead to a valid configuration of @ref NEDepthwiseIm2ColKernel |
| 71 | * |
Usama Arif | 881f2de | 2019-04-12 10:29:17 +0100 | [diff] [blame] | 72 | * @param[in] input The input tensor info to convert. 3 lower dimensions represent a single input [width, height, IFM], |
Georgios Pinitas | 8cffcd6 | 2018-11-16 17:11:50 +0000 | [diff] [blame] | 73 | * while every optional dimension from 4 and above represent a batch of inputs. Data types supported: QASYMM8/F16/F32 |
Usama Arif | 881f2de | 2019-04-12 10:29:17 +0100 | [diff] [blame] | 74 | * @param[in] output The output tensor info. First 3 lower dimensions represent a transform of each 3D input, |
Abe Mbise | 7784c83 | 2018-05-31 16:48:41 +0100 | [diff] [blame] | 75 | * while every dimension above 3 represents a batch. Data types supported: Same as @p input |
| 76 | * @param[in] kernel_dims The kernel dimensions (width and height). |
| 77 | * @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo. |
| 78 | * @param[in] has_bias Boolean that specifies if the depthwise convolution has bias. |
| 79 | * @param[in] depth_multiplier (Optional) Multiplier to apply to the input's depth in order to retrieve the output's depth. Defaults to 1. |
Usama Arif | 881f2de | 2019-04-12 10:29:17 +0100 | [diff] [blame] | 80 | * @param[in] dilation (Optional) Dilation, in elements, across x and y. Defaults to (1, 1). |
Abe Mbise | 7784c83 | 2018-05-31 16:48:41 +0100 | [diff] [blame] | 81 | * |
| 82 | * @return a status |
| 83 | */ |
Usama Arif | 881f2de | 2019-04-12 10:29:17 +0100 | [diff] [blame] | 84 | static Status validate(const ITensorInfo *input, const ITensorInfo *output, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias = false, unsigned int depth_multiplier = 1, |
| 85 | const Size2D &dilation = Size2D(1U, 1U)); |
Abe Mbise | 7784c83 | 2018-05-31 16:48:41 +0100 | [diff] [blame] | 86 | |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 87 | // Inherited methods overridden: |
| 88 | void run(const Window &window, const ThreadInfo &info) override; |
| 89 | |
| 90 | private: |
Georgios Pinitas | d05dce4 | 2018-01-22 16:29:17 +0000 | [diff] [blame] | 91 | /** Template function to run the im2col used for the depthwise convolution layer case |
| 92 | * |
| 93 | * @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()). |
| 94 | */ |
| 95 | template <typename T> |
| 96 | void run_generic(const Window &window); |
| 97 | /** Common signature for all the specialised depthwise im2col functions |
| 98 | * |
| 99 | * @param[in] window Region on which to execute the kernel. |
| 100 | */ |
| 101 | using DepthwiseIm2ColFunctionPtr = void (NEDepthwiseIm2ColKernel::*)(const Window &window); |
| 102 | |
| 103 | private: |
| 104 | DepthwiseIm2ColFunctionPtr _func; |
| 105 | const ITensor *_input; |
| 106 | ITensor *_output; |
| 107 | Size2D _kernel_dims; |
| 108 | PadStrideInfo _conv_info; |
| 109 | bool _has_bias; |
Giorgio Arena | 7657224 | 2018-04-04 17:44:26 +0100 | [diff] [blame] | 110 | unsigned int _depth_multiplier; |
Usama Arif | 881f2de | 2019-04-12 10:29:17 +0100 | [diff] [blame] | 111 | Size2D _dilation; |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 112 | }; |
Georgios Pinitas | 8cffcd6 | 2018-11-16 17:11:50 +0000 | [diff] [blame] | 113 | } // namespace arm_compute |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 114 | #endif /*__ARM_COMPUTE_NEDEPTHWISEIM2COLKERNEL_H__ */ |