Giorgio Arena | 156fcf3 | 2018-03-09 15:30:43 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018 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 | #include "Im2Col.h" |
| 25 | |
| 26 | #include "Permute.h" |
| 27 | |
| 28 | #include "arm_compute/core/Types.h" |
| 29 | #include "tests/validation/Helpers.h" |
| 30 | #include "tests/validation/reference/Utils.h" |
| 31 | |
| 32 | namespace arm_compute |
| 33 | { |
| 34 | namespace test |
| 35 | { |
| 36 | namespace validation |
| 37 | { |
| 38 | namespace reference |
| 39 | { |
| 40 | template <typename T> |
| 41 | void im2col_nchw(const SimpleTensor<T> &src, SimpleTensor<T> &dst, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias) |
| 42 | { |
Pablo Tello | 764b1af | 2018-04-23 16:11:45 +0100 | [diff] [blame^] | 43 | ARM_COMPUTE_ERROR_ON(src.data_layout() != DataLayout::NCHW); |
Giorgio Arena | 156fcf3 | 2018-03-09 15:30:43 +0000 | [diff] [blame] | 44 | // Create reference |
| 45 | const int pad_x = conv_info.pad().first; |
| 46 | const int pad_y = conv_info.pad().second; |
| 47 | const int stride_x = conv_info.stride().first; |
| 48 | const int stride_y = conv_info.stride().second; |
| 49 | const int kernel_width = kernel_dims.width; |
| 50 | const int kernel_height = kernel_dims.height; |
| 51 | const int src_width = src.shape().x(); |
| 52 | const int src_height = src.shape().y(); |
| 53 | const int src_depth = src.shape().z(); |
| 54 | const int batches = src.shape().total_size_upper(3); |
| 55 | const int pad_val = is_data_type_quantized_asymmetric(src.data_type()) ? src.quantization_info().offset : 0; |
| 56 | |
| 57 | int dst_idx = 0; |
| 58 | for(int b = 0; b < batches; ++b) |
| 59 | { |
| 60 | for(int y = -pad_y; y <= (src_height + pad_y - kernel_height); y += stride_y) |
| 61 | { |
| 62 | for(int x = -pad_x; x <= (src_width + pad_x - kernel_width); x += stride_x) |
| 63 | { |
| 64 | for(int z = 0; z < src_depth; ++z) |
| 65 | { |
| 66 | for(int patch_y = y; patch_y < (y + kernel_height); ++patch_y) |
| 67 | { |
| 68 | for(int patch_x = x; patch_x < (x + kernel_width); ++patch_x) |
| 69 | { |
| 70 | dst[dst_idx++] = tensor_elem_at(src, Coordinates(patch_x, patch_y, z, b), BorderMode::CONSTANT, static_cast<T>(pad_val)); |
| 71 | } |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | if(has_bias) |
| 76 | { |
| 77 | dst[dst_idx++] = static_cast<T>(1); |
| 78 | } |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | template <typename T> |
Pablo Tello | 764b1af | 2018-04-23 16:11:45 +0100 | [diff] [blame^] | 85 | void im2col_nhwc(const SimpleTensor<T> &src, SimpleTensor<T> &dst, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias) |
Giorgio Arena | 156fcf3 | 2018-03-09 15:30:43 +0000 | [diff] [blame] | 86 | { |
Pablo Tello | 764b1af | 2018-04-23 16:11:45 +0100 | [diff] [blame^] | 87 | ARM_COMPUTE_ERROR_ON(src.data_layout() != DataLayout::NHWC); |
| 88 | const int pad_x = conv_info.pad().first; |
| 89 | const int pad_y = conv_info.pad().second; |
| 90 | const int stride_x = conv_info.stride().first; |
| 91 | const int stride_y = conv_info.stride().second; |
| 92 | const int kernel_width = kernel_dims.width; |
| 93 | const int kernel_height = kernel_dims.height; |
| 94 | const int src_width = src.shape().y(); |
| 95 | const int src_height = src.shape().z(); |
| 96 | const int src_depth = src.shape().x(); |
| 97 | const int batches = src.shape().total_size_upper(3); |
| 98 | const int pad_val = is_data_type_quantized_asymmetric(src.data_type()) ? src.quantization_info().offset : 0; |
| 99 | int dst_idx = 0; |
| 100 | for(int b = 0; b < batches; ++b) |
Giorgio Arena | 156fcf3 | 2018-03-09 15:30:43 +0000 | [diff] [blame] | 101 | { |
Pablo Tello | 764b1af | 2018-04-23 16:11:45 +0100 | [diff] [blame^] | 102 | for(int y = -pad_y; y <= (src_height + pad_y - kernel_height); y += stride_y) |
| 103 | { |
| 104 | for(int x = -pad_x; x <= (src_width + pad_x - kernel_width); x += stride_x) |
| 105 | { |
| 106 | for(int z = 0; z < src_depth; ++z) |
| 107 | { |
| 108 | for(int patch_y = y; patch_y < (y + kernel_height); ++patch_y) |
| 109 | { |
| 110 | for(int patch_x = x; patch_x < (x + kernel_width); ++patch_x) |
| 111 | { |
| 112 | dst[dst_idx++] = tensor_elem_at(src, Coordinates(z, patch_x, patch_y, b), BorderMode::CONSTANT, static_cast<T>(pad_val)); |
| 113 | } |
| 114 | } |
| 115 | } |
Giorgio Arena | 156fcf3 | 2018-03-09 15:30:43 +0000 | [diff] [blame] | 116 | |
Pablo Tello | 764b1af | 2018-04-23 16:11:45 +0100 | [diff] [blame^] | 117 | if(has_bias) |
| 118 | { |
| 119 | dst[dst_idx++] = static_cast<T>(1); |
| 120 | } |
| 121 | } |
| 122 | } |
| 123 | } |
Giorgio Arena | 156fcf3 | 2018-03-09 15:30:43 +0000 | [diff] [blame] | 124 | } |
| 125 | |
Pablo Tello | 764b1af | 2018-04-23 16:11:45 +0100 | [diff] [blame^] | 126 | template <typename T> |
| 127 | void im2col(const SimpleTensor<T> &src, SimpleTensor<T> &dst, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias) |
| 128 | { |
| 129 | switch(src.data_layout()) |
| 130 | { |
| 131 | case DataLayout::NCHW: |
| 132 | { |
| 133 | im2col_nchw(src, dst, kernel_dims, conv_info, has_bias); |
| 134 | break; |
| 135 | } |
| 136 | case DataLayout::NHWC: |
| 137 | { |
| 138 | im2col_nhwc(src, dst, kernel_dims, conv_info, has_bias); |
| 139 | break; |
| 140 | } |
| 141 | default: |
| 142 | { |
| 143 | ARM_COMPUTE_ERROR("Not supported."); |
| 144 | break; |
| 145 | } |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | template void im2col(const SimpleTensor<uint8_t> &src, SimpleTensor<uint8_t> &dst, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias); |
| 150 | template void im2col(const SimpleTensor<half> &src, SimpleTensor<half> &dst, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias); |
| 151 | template void im2col(const SimpleTensor<float> &src, SimpleTensor<float> &dst, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias); |
Giorgio Arena | 156fcf3 | 2018-03-09 15:30:43 +0000 | [diff] [blame] | 152 | } // namespace reference |
| 153 | } // namespace validation |
| 154 | } // namespace test |
| 155 | } // namespace arm_compute |