Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +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 "arm_compute/core/CL/kernels/CLWinogradInputTransformKernel.h" |
| 25 | |
| 26 | #include "arm_compute/core/CL/CLHelpers.h" |
| 27 | #include "arm_compute/core/CL/CLKernelLibrary.h" |
| 28 | #include "arm_compute/core/CL/ICLTensor.h" |
| 29 | #include "arm_compute/core/CL/OpenCL.h" |
| 30 | #include "arm_compute/core/Error.h" |
| 31 | #include "arm_compute/core/Helpers.h" |
| 32 | #include "arm_compute/core/Types.h" |
| 33 | #include "arm_compute/core/utils/misc/ShapeCalculator.h" |
| 34 | #include "support/ToolchainSupport.h" |
| 35 | |
| 36 | using namespace arm_compute; |
| 37 | |
| 38 | namespace |
| 39 | { |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 40 | Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output, const WinogradInfo &winograd_info) |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 41 | { |
| 42 | ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F32); |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 43 | ARM_COMPUTE_RETURN_ERROR_ON(input->data_layout() != DataLayout::NCHW); |
| 44 | |
| 45 | const PadStrideInfo conv_info = winograd_info.convolution_info; |
| 46 | const Size2D output_tile_size = winograd_info.output_tile_size; |
| 47 | const Size2D kernel_size = winograd_info.kernel_size; |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 48 | ARM_COMPUTE_RETURN_ERROR_ON_MSG(conv_info.stride().first != 1 || conv_info.stride().second != 1, "Winograd input transform only supports unit strides"); |
Giorgio Arena | fe5ef38 | 2018-04-17 10:14:10 +0100 | [diff] [blame] | 49 | ARM_COMPUTE_RETURN_ERROR_ON_MSG(kernel_size != Size2D(3U, 3U) && kernel_size != Size2D(5U, 5U), "Winograd input transform only supports 3x3 and 5x5 kernels"); |
Gian Marco Iodice | e52a300 | 2018-04-11 15:59:10 +0100 | [diff] [blame] | 50 | ARM_COMPUTE_RETURN_ERROR_ON_MSG(kernel_size == Size2D(3U, 3U) && output_tile_size != Size2D(2U, 2U) |
| 51 | && output_tile_size != Size2D(4U, 4U), |
| 52 | "Winograd input transform only supports 2x2 or 4x4 output tile for 3x3 kernels"); |
Giorgio Arena | fe5ef38 | 2018-04-17 10:14:10 +0100 | [diff] [blame] | 53 | ARM_COMPUTE_RETURN_ERROR_ON_MSG(kernel_size == Size2D(5U, 5U) && output_tile_size != Size2D(4U, 4U), "Winograd input transform only supports 4x4 output tile for 5x5 kernels"); |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 54 | ARM_COMPUTE_UNUSED(conv_info); |
| 55 | ARM_COMPUTE_UNUSED(output_tile_size); |
| 56 | ARM_COMPUTE_UNUSED(kernel_size); |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 57 | |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 58 | // Validate configured output |
| 59 | if(output->total_size() != 0) |
| 60 | { |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 61 | const TensorShape output_shape = misc::shape_calculator::compute_winograd_input_transform_shape(*input, winograd_info); |
Gian Marco Iodice | d2fab73 | 2018-03-02 11:18:12 +0000 | [diff] [blame] | 62 | |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 63 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DIMENSIONS(output->tensor_shape(), output_shape); |
| 64 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
| 65 | } |
| 66 | |
| 67 | return Status{}; |
| 68 | } |
| 69 | |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 70 | std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITensorInfo *output, const WinogradInfo &winograd_info) |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 71 | { |
| 72 | ARM_COMPUTE_UNUSED(output); |
| 73 | ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 74 | const PadStrideInfo conv_info = winograd_info.convolution_info; |
| 75 | const Size2D output_tile_size = winograd_info.output_tile_size; |
| 76 | const Size2D kernel_size = winograd_info.kernel_size; |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 77 | |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 78 | const unsigned int num_elems_read_per_iteration_x = output_tile_size.width + kernel_size.width - 1; |
| 79 | const unsigned int num_elems_read_per_iteration_y = output_tile_size.height + kernel_size.height - 1; |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 80 | |
| 81 | Window win = calculate_max_window(*input, Steps(1, 1)); |
| 82 | |
| 83 | AccessWindowRectangle input_access(input, -conv_info.pad_left(), -conv_info.pad_top(), num_elems_read_per_iteration_x, num_elems_read_per_iteration_y); |
| 84 | |
| 85 | bool window_changed = update_window_and_padding(win, input_access); |
| 86 | |
| 87 | Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{}; |
| 88 | return std::make_pair(err, win); |
| 89 | } |
| 90 | } // namespace |
| 91 | |
| 92 | CLWinogradInputTransformKernel::CLWinogradInputTransformKernel() |
| 93 | : _border_size(0), _input(nullptr), _output(nullptr), _num_tiles_x(0), _num_tiles_y(0), _step_z(1) |
| 94 | { |
| 95 | } |
| 96 | |
| 97 | BorderSize CLWinogradInputTransformKernel::border_size() const |
| 98 | { |
| 99 | return _border_size; |
| 100 | } |
| 101 | |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 102 | void CLWinogradInputTransformKernel::configure(const ICLTensor *input, ICLTensor *output, const WinogradInfo &winograd_info) |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 103 | { |
| 104 | ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 105 | ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info(), winograd_info)); |
| 106 | |
| 107 | const PadStrideInfo conv_info = winograd_info.convolution_info; |
| 108 | const Size2D output_tile_size = winograd_info.output_tile_size; |
| 109 | const Size2D kernel_size = winograd_info.kernel_size; |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 110 | |
| 111 | // Compute number of elements to process in the X and Y direction |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 112 | const int num_elements_x = input->info()->dimension(0) - (kernel_size.width - 1) + conv_info.pad_left() + conv_info.pad_right(); |
| 113 | const int num_elements_y = input->info()->dimension(1) - (kernel_size.height - 1) + conv_info.pad_top() + conv_info.pad_bottom(); |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 114 | |
| 115 | // Check if we need to extend the right or bottom border |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 116 | const unsigned int extra_border_right = ((num_elements_x % output_tile_size.width) == 0) ? 0u : static_cast<unsigned int>(output_tile_size.width - 1); |
| 117 | const unsigned int extra_border_bottom = ((num_elements_y % output_tile_size.height) == 0) ? 0u : static_cast<unsigned int>(output_tile_size.height - 1); |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 118 | |
| 119 | _input = input; |
| 120 | _output = output; |
| 121 | _border_size = BorderSize(conv_info.pad_top(), conv_info.pad_right() + extra_border_right, conv_info.pad_bottom() + extra_border_bottom, conv_info.pad_left()); |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 122 | _num_tiles_x = std::ceil(num_elements_x / static_cast<float>(output_tile_size.width)); |
| 123 | _num_tiles_y = std::ceil(num_elements_y / static_cast<float>(output_tile_size.height)); |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 124 | |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 125 | const TensorShape output_shape = misc::shape_calculator::compute_winograd_input_transform_shape(*input->info(), winograd_info); |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 126 | |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 127 | // Output auto initialization if not yet initialized |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 128 | auto_init_if_empty(*output->info(), input->info()->clone()->set_tensor_shape(output_shape)); |
| 129 | |
| 130 | ARM_COMPUTE_ERROR_ON(_num_tiles_x * _num_tiles_y != static_cast<int>(output->info()->dimension(1))); |
| 131 | |
| 132 | CLBuildOptions build_opts; |
| 133 | build_opts.add_option("-DNUM_TILES_X=" + support::cpp11::to_string(_num_tiles_x)); |
| 134 | build_opts.add_option("-DPAD_LEFT=" + support::cpp11::to_string(conv_info.pad_left())); |
| 135 | build_opts.add_option("-DPAD_TOP=" + support::cpp11::to_string(conv_info.pad_top())); |
| 136 | |
| 137 | // Create kernel |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 138 | std::string kernel_name = "winograd_input_transform_" + output_tile_size.to_string() + "_" + kernel_size.to_string(); |
| 139 | |
| 140 | // Check optimized kernel if output_dims == 2x2 |
Gian Marco Iodice | e52a300 | 2018-04-11 15:59:10 +0100 | [diff] [blame] | 141 | if(output_tile_size == Size2D(2U, 2U)) |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 142 | { |
Gian Marco Iodice | e52a300 | 2018-04-11 15:59:10 +0100 | [diff] [blame] | 143 | _step_z = (_input->info()->dimension(2) % 2) != 0 ? 1 : 2; |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 144 | } |
| 145 | |
Gian Marco Iodice | e52a300 | 2018-04-11 15:59:10 +0100 | [diff] [blame] | 146 | _lws_hint = cl::NDRange(1, 1, 8); |
| 147 | |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 148 | // Append stepz and data layout |
| 149 | kernel_name += "_stepz"; |
| 150 | kernel_name += support::cpp11::to_string(_step_z); |
| 151 | kernel_name += "_nchw"; |
| 152 | |
| 153 | _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel(kernel_name, build_opts.options())); |
| 154 | |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 155 | // Create window and update padding |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 156 | auto win_config = validate_and_configure_window(input->info(), output->info(), winograd_info); |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 157 | ARM_COMPUTE_ERROR_THROW_ON(win_config.first); |
| 158 | ICLKernel::configure(win_config.second); |
| 159 | |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 160 | _config_id = kernel_name; |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 161 | _config_id += support::cpp11::to_string(input->info()->dimension(0)); |
| 162 | _config_id += "_"; |
| 163 | _config_id += support::cpp11::to_string(input->info()->dimension(1)); |
| 164 | _config_id += "_"; |
| 165 | _config_id += support::cpp11::to_string(input->info()->dimension(2)); |
| 166 | _config_id += "_"; |
| 167 | _config_id += support::cpp11::to_string(conv_info.pad_left()); |
| 168 | _config_id += "_"; |
| 169 | _config_id += support::cpp11::to_string(conv_info.pad_top()); |
| 170 | } |
| 171 | |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 172 | Status CLWinogradInputTransformKernel::validate(const ITensorInfo *input, const ITensorInfo *output, const WinogradInfo &winograd_info) |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 173 | { |
| 174 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output); |
Gian Marco Iodice | 247f52c | 2018-03-22 11:24:56 +0000 | [diff] [blame] | 175 | ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output, winograd_info)); |
| 176 | ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), output->clone().get(), winograd_info).first); |
Giorgio Arena | 1f9ca1d | 2018-03-01 11:13:45 +0000 | [diff] [blame] | 177 | |
| 178 | return Status{}; |
| 179 | } |
| 180 | |
| 181 | void CLWinogradInputTransformKernel::run(const Window &window, cl::CommandQueue &queue) |
| 182 | { |
| 183 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 184 | ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window); |
| 185 | |
| 186 | Window slice = window.first_slice_window_3D(); |
| 187 | slice.set(Window::DimX, Window::Dimension(0, _num_tiles_x, 1)); |
| 188 | slice.set(Window::DimY, Window::Dimension(0, _num_tiles_y, 1)); |
| 189 | |
| 190 | ARM_COMPUTE_ERROR_ON(((slice.z().end() - slice.z().start()) % _step_z) != 0); |
| 191 | slice.set(Window::DimZ, Window::Dimension(slice.z().start(), slice.z().end(), _step_z)); |
| 192 | |
| 193 | do |
| 194 | { |
| 195 | unsigned int idx = 0; |
| 196 | add_3D_tensor_argument(idx, _input, slice); |
| 197 | add_3D_tensor_argument(idx, _output, slice); |
| 198 | |
| 199 | enqueue(queue, *this, slice, _lws_hint); |
| 200 | } |
| 201 | while(window.slide_window_slice_3D(slice)); |
| 202 | } |