diff options
Diffstat (limited to 'src/core/CL/kernels/CLPadLayerKernel.cpp')
| -rw-r--r-- | src/core/CL/kernels/CLPadLayerKernel.cpp | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/core/CL/kernels/CLPadLayerKernel.cpp b/src/core/CL/kernels/CLPadLayerKernel.cpp new file mode 100644 index 0000000000..d35164d309 --- /dev/null +++ b/src/core/CL/kernels/CLPadLayerKernel.cpp @@ -0,0 +1,143 @@ +/* + * Copyright (c) 2019 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 "arm_compute/core/CL/kernels/CLPadLayerKernel.h" + +#include "arm_compute/core/CL/CLHelpers.h" + +namespace arm_compute +{ +namespace +{ +Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output, const PaddingList &padding, PixelValue constant_value, PaddingMode mode) +{ + ARM_COMPUTE_UNUSED(input, output, constant_value); + ARM_COMPUTE_RETURN_ERROR_ON(padding.empty()); + ARM_COMPUTE_RETURN_ERROR_ON_MSG(mode != PaddingMode::CONSTANT, "Only CONSTANT mode supported."); + + return Status{}; +} + +std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITensorInfo *output, const PaddingList &padding, PixelValue constant_value, PaddingMode mode) +{ + ARM_COMPUTE_UNUSED(constant_value, mode); + const unsigned int num_elems_processed_per_iteration = std::min(16U, 32U / static_cast<unsigned int>(element_size_from_data_type(input->data_type()))); + + // Configure kernel window + Window win = calculate_max_window(*output, Steps(num_elems_processed_per_iteration)); + + const int input_start_x = -(padding.at(0).first % num_elems_processed_per_iteration); + const int input_start_y = padding.size() > 1 ? -padding.at(1).first : 0; + + AccessWindowRectangle input_access(input, input_start_x, input_start_y, num_elems_processed_per_iteration, 1); + AccessWindowHorizontal output_access(output, 0, num_elems_processed_per_iteration); + + const bool window_changed = update_window_and_padding(win, input_access, output_access); + output_access.set_valid_region(win, ValidRegion(Coordinates(), output->tensor_shape())); + + Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{}; + return std::make_pair(err, win); +} +} // namespace + +CLPadLayerKernel::CLPadLayerKernel() + : _input(nullptr), _output(nullptr), _input_start_x(0), _input_start_y(0) +{ +} + +void CLPadLayerKernel::configure(const ICLTensor *input, ICLTensor *output, const PaddingList &padding, PixelValue constant_value, PaddingMode mode) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); + + // Output tensor auto initialisation if not yet initialized + auto_init_if_empty(*output->info(), *input->info()->clone()); + ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info(), padding, constant_value, mode)); + + _input = input; + _output = output; + + // Set build options + const unsigned int num_elems_processed_per_iteration = std::min(16U, 32U / static_cast<unsigned int>(element_size_from_data_type(input->info()->data_type()))); + _input_start_x = -(padding.at(0).first % num_elems_processed_per_iteration); + _input_start_y = padding.size() > 1 ? -padding.at(1).first : 0; + + CLBuildOptions build_opts; + build_opts.add_option("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type())); + build_opts.add_option("-DVEC_SIZE=" + support::cpp11::to_string(num_elems_processed_per_iteration)); + build_opts.add_option("-DCONST_VAL=" + string_from_pixel_value(constant_value, input->info()->data_type())); + build_opts.add_option("-DPAD_LEFT=" + support::cpp11::to_string(padding.at(0).first)); + build_opts.add_option("-DSRC_WIDTH=" + support::cpp11::to_string(input->info()->dimension(0))); + build_opts.add_option("-DSELECT_DT=" + get_cl_select_type_from_data_type(input->info()->data_type())); + build_opts.add_option_if(padding.at(0).first > num_elems_processed_per_iteration, "-DTHREADS_TO_SKIP_X=" + support::cpp11::to_string(padding.at(0).first / num_elems_processed_per_iteration)); + + if(padding.size() > 1) + { + build_opts.add_option("-DPAD_TOP=" + support::cpp11::to_string(padding.at(1).first)); + build_opts.add_option("-DSRC_HEIGHT=" + support::cpp11::to_string(input->info()->dimension(1))); + + if(padding.size() > 2) + { + build_opts.add_option("-DPAD_NEAR=" + support::cpp11::to_string(padding.at(2).first)); + build_opts.add_option("-DSRC_DEPTH=" + support::cpp11::to_string(input->info()->dimension(2))); + } + } + + // Create kernel + _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel("pad_layer", build_opts.options())); + + // Configure kernel window + auto win_config = validate_and_configure_window(input->info(), output->info(), padding, constant_value, mode); + ARM_COMPUTE_ERROR_THROW_ON(win_config.first); + ICLKernel::configure_internal(win_config.second); +} + +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)); + ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), output->clone().get(), padding, constant_value, mode).first); + + 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 win_in = window; + win_in.adjust(Window::DimX, _input_start_x, true); + win_in.adjust(Window::DimY, _input_start_y, true); + + Window slice_out = window.first_slice_window_3D(); + Window slice_in = win_in.first_slice_window_3D(); + do + { + unsigned int idx = 0; + add_3D_tensor_argument(idx, _input, slice_in); + add_3D_tensor_argument(idx, _output, slice_out); + + enqueue(queue, *this, slice_out); + } + while(window.slide_window_slice_3D(slice_out) && win_in.slide_window_slice_3D(slice_in)); +} +} // namespace arm_compute |