| /* |
| * Copyright (c) 2019-2020 Arm Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #include "src/core/CL/kernels/CLPadLayerKernel.h" |
| |
| #include "arm_compute/core/CL/CLHelpers.h" |
| #include "arm_compute/core/CL/ICLTensor.h" |
| #include "arm_compute/core/utils/misc/ShapeCalculator.h" |
| #include "src/core/helpers/AutoConfiguration.h" |
| #include "src/core/helpers/WindowHelpers.h" |
| #include "support/StringSupport.h" |
| |
| namespace arm_compute |
| { |
| namespace |
| { |
| Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output, const PaddingList &padding, PixelValue constant_value, PaddingMode mode) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output); |
| ARM_COMPUTE_UNUSED(constant_value); |
| ARM_COMPUTE_RETURN_ERROR_ON(input->data_type() == DataType::UNKNOWN); |
| ARM_COMPUTE_RETURN_ERROR_ON((padding.size() < 1) || (padding.size() > input->num_dimensions())); |
| if(mode == PaddingMode::REFLECT || mode == PaddingMode::SYMMETRIC) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON(padding.size() > 3); |
| |
| const auto is_reflect = static_cast<unsigned int>(mode == PaddingMode::REFLECT); |
| for(size_t i = 0; i < padding.size(); ++i) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON(padding.at(i).first > (input->dimension(i) - is_reflect)); |
| ARM_COMPUTE_RETURN_ERROR_ON(padding.at(i).second > (input->dimension(i) - is_reflect)); |
| } |
| } |
| |
| if(output->total_size() > 0) |
| { |
| TensorShape padded_shape = misc::shape_calculator::compute_padded_shape(input->tensor_shape(), padding); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(output, input); |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DIMENSIONS(output->tensor_shape(), padded_shape); |
| } |
| |
| return Status{}; |
| } |
| } // namespace |
| |
| CLPadLayerKernel::CLPadLayerKernel() |
| : _input(nullptr), _output(nullptr), _4d_enabled(false) |
| { |
| } |
| |
| void CLPadLayerKernel::configure(const ICLTensor *input, ICLTensor *output, const PaddingList &padding, PixelValue constant_value, PaddingMode mode) |
| { |
| configure(CLKernelLibrary::get().get_compile_context(), input, output, padding, constant_value, mode); |
| } |
| |
| void CLPadLayerKernel::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, const PaddingList &padding, PixelValue constant_value, PaddingMode mode) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
| auto_init_if_empty(*output->info(), input->info()->clone()->set_tensor_shape(misc::shape_calculator::compute_padded_shape(input->info()->tensor_shape(), padding))); |
| ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info(), padding, constant_value, mode)); |
| |
| auto padding_info = get_padding_info({ input, output }); |
| |
| _input = input; |
| _output = output; |
| _4d_enabled = (mode == PaddingMode::CONSTANT) && (padding.size() > 3); |
| |
| // Set build options |
| const DataType &data_type = input->info()->data_type(); |
| const unsigned int input_width = input->info()->dimension(0); |
| const unsigned int input_height = input->info()->dimension(1); |
| const unsigned int input_depth = input->info()->dimension(2); |
| const unsigned int pad_x_before = padding.at(0).first; |
| const unsigned int pad_y_before = padding.size() > 1 ? padding.at(1).first : 0; |
| const unsigned int pad_z_before = padding.size() > 2 ? padding.at(2).first : 0; |
| const unsigned int vec_size = adjust_vec_size(std::min(16U, 32U / static_cast<unsigned int>(element_size_from_data_type(input->info()->data_type()))), input_width); |
| const unsigned int pad_right_start = input_width + pad_x_before; |
| const unsigned int pad_x_before_remainder = pad_x_before % vec_size; |
| const unsigned int vec_size_leftover_write = vec_size - (ceil_to_multiple(output->info()->dimension(0), vec_size) - output->info()->dimension(0)); |
| |
| CLBuildOptions build_opts; |
| build_opts.add_option("-DDATA_TYPE=" + get_cl_type_from_data_type(data_type)); |
| build_opts.add_option("-DVEC_SIZE=" + support::cpp11::to_string(vec_size)); |
| build_opts.add_option("-DPAD_X_BEFORE=" + support::cpp11::to_string(pad_x_before)); |
| build_opts.add_option("-DSRC_WIDTH=" + support::cpp11::to_string(input_width)); |
| build_opts.add_option("-DPAD_X_BEFORE_REMAINDER=" + support::cpp11::to_string(pad_x_before_remainder)); |
| build_opts.add_option("-DVEC_SIZE_LEFTOVER_WRITE=" + support::cpp11::to_string(vec_size_leftover_write)); |
| if(padding.size() > 1) |
| { |
| build_opts.add_option("-DPAD_Y_BEFORE=" + support::cpp11::to_string(pad_y_before)); |
| build_opts.add_option("-DSRC_HEIGHT=" + support::cpp11::to_string(input_height)); |
| |
| if(padding.size() > 2) |
| { |
| build_opts.add_option("-DPAD_Z_BEFORE=" + support::cpp11::to_string(pad_z_before)); |
| build_opts.add_option("-DSRC_DEPTH=" + support::cpp11::to_string(input_depth)); |
| } |
| } |
| |
| std::string kernel_name = "pad_layer_"; |
| switch(mode) |
| { |
| case PaddingMode::CONSTANT: |
| { |
| kernel_name += "constant"; |
| |
| const unsigned int vec_size_leftover_read = vec_size - (ceil_to_multiple(pad_right_start, vec_size) - pad_right_start); |
| |
| build_opts.add_option("-DCONST_VAL=" + string_from_pixel_value(constant_value, data_type)); |
| build_opts.add_option("-DVEC_SIZE_LEFTOVER_READ=" + support::cpp11::to_string(vec_size_leftover_read)); |
| |
| if(pad_x_before >= vec_size) |
| { |
| build_opts.add_option("-DTHREADS_TO_SKIP_BEFORE=" + support::cpp11::to_string(pad_x_before / vec_size)); |
| build_opts.add_option("-DTHREADS_TO_SKIP_AFTER=" + support::cpp11::to_string(pad_right_start / vec_size)); |
| } |
| if(_4d_enabled) |
| { |
| build_opts.add_option("-DPAD_W_BEFORE=" + support::cpp11::to_string(padding.at(3).first)); |
| build_opts.add_option("-DSRC_BATCH=" + support::cpp11::to_string(input->info()->dimension(3))); |
| } |
| |
| break; |
| } |
| case PaddingMode::SYMMETRIC: |
| case PaddingMode::REFLECT: |
| { |
| kernel_name += "symmetric_reflect"; |
| |
| const auto is_reflect = static_cast<unsigned int>(mode == PaddingMode::REFLECT); |
| |
| const unsigned int pad_x_after_remainder = pad_right_start % vec_size; |
| const unsigned int after_pad_fact_x = (2 * input_width + pad_x_before) - is_reflect; |
| const unsigned int output_last_x = ceil_to_multiple(pad_right_start + padding.at(0).second, vec_size); |
| |
| build_opts.add_option("-DIS_REFLECT=" + support::cpp11::to_string(is_reflect)); |
| build_opts.add_option("-DPAD_X_AFTER_REMAINDER=" + support::cpp11::to_string(pad_x_after_remainder)); |
| build_opts.add_option("-DPAD_X_BEFORE_REMAINDER_REFL=" + support::cpp11::to_string((pad_x_before_remainder + is_reflect) % vec_size)); |
| build_opts.add_option("-DPAD_X_AFTER_REMAINDER_REFL=" + support::cpp11::to_string((pad_x_after_remainder - is_reflect) % vec_size)); |
| build_opts.add_option("-DAFTER_PAD_FACT_X=" + support::cpp11::to_string(after_pad_fact_x)); |
| build_opts.add_option_if(after_pad_fact_x < output_last_x, "-DAFTER_PAD_REM=" + support::cpp11::to_string(after_pad_fact_x % vec_size)); |
| |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Padding mode not supported."); |
| } |
| |
| // Create kernel |
| _kernel = create_kernel(compile_context, kernel_name, build_opts.options()); |
| |
| // Configure window |
| Window win = calculate_max_window(*output->info(), Steps(vec_size)); |
| ICLKernel::configure_internal(win); |
| |
| ARM_COMPUTE_ERROR_ON(has_padding_changed(padding_info)); |
| } |
| |
| Status CLPadLayerKernel::validate(const ITensorInfo *input, const ITensorInfo *output, const PaddingList &padding, PixelValue constant_value, PaddingMode mode) |
| { |
| ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output, padding, constant_value, mode)); |
| return Status{}; |
| } |
| |
| void CLPadLayerKernel::run(const Window &window, cl::CommandQueue &queue) |
| { |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); |
| |
| Window slice = window.first_slice_window_3D(); |
| unsigned int batch = 0; |
| do |
| { |
| unsigned int idx = 0; |
| add_3D_tensor_argument(idx, _input, slice); |
| add_3D_tensor_argument(idx, _output, slice); |
| if(_4d_enabled) |
| { |
| add_argument<unsigned int>(idx, batch++); |
| } |
| |
| enqueue(queue, *this, slice, lws_hint()); |
| } |
| while(window.slide_window_slice_3D(slice)); |
| } |
| } // namespace arm_compute |