Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2016-2020 Arm Limited. |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [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 | #include "arm_compute/core/CL/kernels/CLHistogramKernel.h" |
| 25 | |
| 26 | #include "arm_compute/core/CL/CLKernelLibrary.h" |
| 27 | #include "arm_compute/core/CL/ICLDistribution1D.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/TensorInfo.h" |
| 33 | #include "arm_compute/core/Types.h" |
| 34 | #include "arm_compute/core/Validate.h" |
| 35 | #include "arm_compute/core/Window.h" |
Matthew Bentham | 758b5ba | 2020-03-05 23:37:48 +0000 | [diff] [blame] | 36 | #include "support/StringSupport.h" |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 37 | |
| 38 | #include <cstring> |
| 39 | #include <string> |
| 40 | |
| 41 | using namespace arm_compute; |
| 42 | |
| 43 | // each thread handle 16 pixels |
| 44 | constexpr signed int pixels_per_item = 16; |
| 45 | |
| 46 | // local work group size in X dimension |
| 47 | constexpr unsigned int local_x_size = 16; |
| 48 | |
| 49 | CLHistogramKernel::CLHistogramKernel() |
| 50 | : _input(nullptr), _output(nullptr) |
| 51 | { |
| 52 | } |
| 53 | |
| 54 | void CLHistogramKernel::configure(const ICLImage *input, ICLDistribution1D *output) |
| 55 | { |
Manuel Bottini | 4c6bd51 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 56 | configure(CLKernelLibrary::get().get_compile_context(), input, output); |
| 57 | } |
| 58 | |
Manuel Bottini | 679fc96 | 2020-04-21 16:08:53 +0100 | [diff] [blame] | 59 | void CLHistogramKernel::configure(const CLCompileContext &compile_context, const ICLImage *input, ICLDistribution1D *output) |
Manuel Bottini | 4c6bd51 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 60 | { |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 61 | ARM_COMPUTE_ERROR_ON_TENSOR_NOT_2D(input); |
| 62 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 63 | |
| 64 | // Check input size |
| 65 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); |
| 66 | |
| 67 | // Check offset |
| 68 | ARM_COMPUTE_ERROR_ON_MSG(0 > output->offset() || output->offset() > 256, "Offset is larger than the image value range."); |
| 69 | |
| 70 | // Check range |
| 71 | ARM_COMPUTE_ERROR_ON_MSG(output->range() > 256 /* max range */, "Range larger than the image value range."); |
| 72 | |
| 73 | _input = input; |
| 74 | _output = output; |
| 75 | |
| 76 | if(_input->info()->dimension(0) < pixels_per_item) |
| 77 | { |
| 78 | return; |
| 79 | } |
| 80 | |
| 81 | unsigned int num_bins = _output->num_bins(); |
| 82 | unsigned int window_size = _output->window(); |
| 83 | unsigned int offset = _output->offset(); |
| 84 | unsigned int range = _output->range(); |
| 85 | unsigned int offrange = offset + range; |
| 86 | unsigned int bin_size = _output->size(); |
| 87 | unsigned int buffer_size = bin_size + 1; // We need one extra place for pixels that don't meet the conditions |
| 88 | |
| 89 | // Create kernel |
Gary Antcliffe | fffbdbc | 2019-05-28 11:40:21 +0100 | [diff] [blame] | 90 | bool is_fixed_size = (256 == num_bins) && (1 == window_size) && (0 == offset) && (256 == offrange); |
| 91 | const std::string kernel_name = is_fixed_size ? "hist_local_kernel_fixed" : "hist_local_kernel"; |
Manuel Bottini | 4c6bd51 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 92 | _kernel = create_kernel(compile_context, kernel_name); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 93 | |
| 94 | // Set static kernel arguments |
| 95 | unsigned int idx = num_arguments_per_2D_tensor(); //Skip the input and output parameters |
| 96 | _kernel.setArg(idx++, buffer_size, nullptr); |
| 97 | _kernel.setArg(idx++, _output->cl_buffer()); |
| 98 | if(!is_fixed_size) |
| 99 | { |
| 100 | _kernel.setArg<cl_uint>(idx++, num_bins); |
| 101 | _kernel.setArg<cl_uint>(idx++, offset); |
| 102 | _kernel.setArg<cl_uint>(idx++, range); |
| 103 | _kernel.setArg<cl_uint>(idx++, offrange); |
| 104 | } |
| 105 | |
| 106 | // We only run histogram on Image, therefore only 2 dimensions here |
| 107 | unsigned int end_position = (_input->info()->dimension(0) / pixels_per_item) * pixels_per_item; |
| 108 | |
| 109 | // Configure kernel window |
| 110 | Window win; |
| 111 | win.set(0, Window::Dimension(0, end_position, pixels_per_item)); |
| 112 | win.set(1, Window::Dimension(0, _input->info()->dimension(1))); |
| 113 | |
| 114 | update_window_and_padding(win, AccessWindowHorizontal(input->info(), 0, pixels_per_item)); |
| 115 | |
Anthony Barbier | b6eb353 | 2018-08-08 13:20:04 +0100 | [diff] [blame] | 116 | ICLKernel::configure_internal(win); |
Gary Antcliffe | fffbdbc | 2019-05-28 11:40:21 +0100 | [diff] [blame] | 117 | |
| 118 | // Set config_id for enabling LWS tuning |
| 119 | _config_id = kernel_name; |
| 120 | _config_id += "_"; |
| 121 | _config_id += lower_string(string_from_data_type(input->info()->data_type())); |
| 122 | _config_id += "_"; |
| 123 | _config_id += support::cpp11::to_string(input->info()->dimension(0)); |
| 124 | _config_id += "_"; |
| 125 | _config_id += support::cpp11::to_string(input->info()->dimension(1)); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | void CLHistogramKernel::run(const Window &window, cl::CommandQueue &queue) |
| 129 | { |
| 130 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 131 | ARM_COMPUTE_ERROR_ON_MISMATCHING_WINDOWS(ICLKernel::window(), window); |
| 132 | |
Isabella Gottardi | 02aabcc | 2017-10-12 17:28:51 +0100 | [diff] [blame] | 133 | // TODO (COMPMID-679): Add CLMemFill |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 134 | _output->map(queue, true); |
| 135 | ARM_COMPUTE_ERROR_ON(_output->buffer() == nullptr); |
| 136 | memset(_output->buffer(), 0, _output->size()); |
| 137 | _output->unmap(queue); |
| 138 | |
Isabella Gottardi | 02aabcc | 2017-10-12 17:28:51 +0100 | [diff] [blame] | 139 | if(_input->info()->dimension(0) < pixels_per_item) |
| 140 | { |
| 141 | return; |
| 142 | } |
| 143 | |
| 144 | Window slice = window.first_slice_window_2D(); |
| 145 | const unsigned int gws_x = (window.x().end() - window.x().start()) / window.x().step(); |
| 146 | cl::NDRange lws = (local_x_size < gws_x) ? cl::NDRange(local_x_size, 1) : cl::NDRange(1, 1); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 147 | |
| 148 | do |
| 149 | { |
| 150 | /* Run the core part which has width can be divided by 16 */ |
| 151 | unsigned int idx = 0; |
| 152 | add_2D_tensor_argument(idx, _input, slice); |
| 153 | |
| 154 | enqueue(queue, *this, slice, lws); |
| 155 | } |
| 156 | while(window.slide_window_slice_2D(slice)); |
| 157 | } |
| 158 | |
| 159 | CLHistogramBorderKernel::CLHistogramBorderKernel() |
| 160 | : _input(nullptr), _output(nullptr) |
| 161 | { |
| 162 | } |
| 163 | |
| 164 | void CLHistogramBorderKernel::configure(const ICLImage *input, ICLDistribution1D *output) |
| 165 | { |
Manuel Bottini | 4c6bd51 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 166 | configure(CLKernelLibrary::get().get_compile_context(), input, output); |
| 167 | } |
| 168 | |
Manuel Bottini | 679fc96 | 2020-04-21 16:08:53 +0100 | [diff] [blame] | 169 | void CLHistogramBorderKernel::configure(const CLCompileContext &compile_context, const ICLImage *input, ICLDistribution1D *output) |
Manuel Bottini | 4c6bd51 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 170 | { |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 171 | ARM_COMPUTE_ERROR_ON_TENSOR_NOT_2D(input); |
| 172 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 173 | |
| 174 | // Check input size |
| 175 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); |
| 176 | |
| 177 | // Check offset |
| 178 | ARM_COMPUTE_ERROR_ON_MSG(0 > output->offset() || output->offset() > 256, "Offset is larger than the image value range."); |
| 179 | |
| 180 | // Check range |
| 181 | ARM_COMPUTE_ERROR_ON_MSG(output->range() > 256 /* max range */, "Range larger than the image value range."); |
| 182 | |
| 183 | // We only run histogram on Image, therefore only 2 dimensions here |
| 184 | unsigned int start_position = (input->info()->dimension(0) / pixels_per_item) * pixels_per_item; |
| 185 | |
| 186 | if(start_position >= input->info()->dimension(0)) |
| 187 | { |
| 188 | return; // no need to run histogram border kernel |
| 189 | } |
| 190 | |
| 191 | _input = input; |
| 192 | _output = output; |
| 193 | |
| 194 | unsigned int num_bins = _output->num_bins(); |
| 195 | unsigned int window_size = _output->window(); |
| 196 | unsigned int offset = _output->offset(); |
| 197 | unsigned int range = _output->range(); |
| 198 | unsigned int offrange = offset + range; |
| 199 | |
| 200 | // Create kernel |
Gary Antcliffe | fffbdbc | 2019-05-28 11:40:21 +0100 | [diff] [blame] | 201 | bool is_fixed_size = (256 == num_bins) && (1 == window_size) && (0 == offset) && (256 == offrange); |
| 202 | const std::string kernel_name = is_fixed_size ? "hist_border_kernel_fixed" : "hist_border_kernel"; |
Manuel Bottini | 4c6bd51 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 203 | _kernel = create_kernel(compile_context, kernel_name); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 204 | |
| 205 | // Set static kernel arguments |
| 206 | unsigned int idx = num_arguments_per_2D_tensor(); //Skip the input and output parameters |
| 207 | _kernel.setArg(idx++, _output->cl_buffer()); |
| 208 | if(!is_fixed_size) |
| 209 | { |
| 210 | _kernel.setArg<cl_uint>(idx++, num_bins); |
| 211 | _kernel.setArg<cl_uint>(idx++, offset); |
| 212 | _kernel.setArg<cl_uint>(idx++, range); |
| 213 | _kernel.setArg<cl_uint>(idx++, offrange); |
| 214 | } |
| 215 | |
| 216 | // Configure kernel window |
| 217 | Window win; |
| 218 | win.set(0, Window::Dimension(start_position, _input->info()->dimension(0))); |
| 219 | win.set(1, Window::Dimension(0, _input->info()->dimension(1))); |
| 220 | update_window_and_padding(win, AccessWindowHorizontal(input->info(), 0, 1)); |
Anthony Barbier | b6eb353 | 2018-08-08 13:20:04 +0100 | [diff] [blame] | 221 | ICLKernel::configure_internal(win); |
Gary Antcliffe | fffbdbc | 2019-05-28 11:40:21 +0100 | [diff] [blame] | 222 | |
| 223 | // Set config_id for enabling LWS tuning |
| 224 | _config_id = kernel_name; |
| 225 | _config_id += "_"; |
| 226 | _config_id += lower_string(string_from_data_type(input->info()->data_type())); |
| 227 | _config_id += "_"; |
| 228 | _config_id += support::cpp11::to_string(input->info()->dimension(0)); |
| 229 | _config_id += "_"; |
| 230 | _config_id += support::cpp11::to_string(input->info()->dimension(1)); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 231 | } |
| 232 | |
| 233 | void CLHistogramBorderKernel::run(const Window &window, cl::CommandQueue &queue) |
| 234 | { |
| 235 | if(window.x().start() >= window.x().end()) |
| 236 | { |
| 237 | return; |
| 238 | } |
| 239 | |
| 240 | ARM_COMPUTE_ERROR_ON_MISMATCHING_WINDOWS(ICLKernel::window(), window); |
| 241 | |
| 242 | cl::NDRange lws = cl::NDRange(1, 1); |
| 243 | |
| 244 | Window slice = window.first_slice_window_2D(); |
| 245 | |
| 246 | do |
| 247 | { |
| 248 | /* Run the border part which has width cannot be divided by 16 */ |
| 249 | unsigned int idx = 0; |
| 250 | add_2D_tensor_argument(idx, _input, slice); |
| 251 | |
| 252 | enqueue(queue, *this, slice, lws); |
| 253 | } |
| 254 | while(window.slide_window_slice_2D(slice)); |
| 255 | } |