/* * Copyright (c) 2018-2019 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/CLUpsampleLayerKernel.h" #include "arm_compute/core/AccessWindowStatic.h" #include "arm_compute/core/CL/CLHelpers.h" #include "arm_compute/core/CL/CLKernelLibrary.h" #include "arm_compute/core/CL/ICLTensor.h" #include "arm_compute/core/Error.h" #include "arm_compute/core/Helpers.h" #include "arm_compute/core/Validate.h" #include "arm_compute/core/Window.h" #include "arm_compute/core/utils/misc/ShapeCalculator.h" namespace arm_compute { CLUpsampleLayerKernel::CLUpsampleLayerKernel() : _input(nullptr), _output(nullptr), _info(), _num_elems_processed_per_iteration_input_x() { } Status CLUpsampleLayerKernel::validate(const ITensorInfo *input, const ITensorInfo *output, const Size2D &info, const InterpolationPolicy upsampling_policy) { ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output); ARM_COMPUTE_UNUSED(upsampling_policy); DataLayout data_layout = input->data_layout(); const int idx_width = get_data_layout_dimension_index(data_layout, DataLayoutDimension::WIDTH); const int idx_height = get_data_layout_dimension_index(data_layout, DataLayoutDimension::HEIGHT); ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F16, DataType::F32); ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_LAYOUT(input, output); ARM_COMPUTE_RETURN_ERROR_ON(output->dimension(idx_width) != info.x() * input->dimension(idx_width)); ARM_COMPUTE_RETURN_ERROR_ON(output->dimension(idx_height) != info.y() * input->dimension(idx_height)); ARM_COMPUTE_RETURN_ERROR_ON_MSG(info.x() != 2 || info.y() != 2, "Only stride 2 is supported"); ARM_COMPUTE_RETURN_ERROR_ON_MSG(upsampling_policy != InterpolationPolicy::NEAREST_NEIGHBOR, "Only nearest neighbor policy supported"); ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(input, output); return Status{}; } void CLUpsampleLayerKernel::configure(const ICLTensor *input, ICLTensor *output, const Size2D &info, const InterpolationPolicy upsampling_policy) { ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); ARM_COMPUTE_UNUSED(upsampling_policy); _input = input; _output = output; _info = info; _num_elems_processed_per_iteration_input_x = 1; const DataLayout data_layout = input->info()->data_layout(); TensorShape output_shape = misc::shape_calculator::compute_upsample_shape(*input->info(), info); auto_init_if_empty(*output->info(), output_shape, 1, input->info()->data_type()); output->info()->set_data_layout(data_layout); unsigned int num_elems_processed_per_iteration_x = 16; const int output_width_x = output->info()->dimension(0); const bool multi_access_x = ((output_width_x / num_elems_processed_per_iteration_x) > 0); // Perform validation step ARM_COMPUTE_ERROR_THROW_ON(CLUpsampleLayerKernel::validate(input->info(), output->info(), info, upsampling_policy)); Window win{}; switch(data_layout) { case DataLayout::NCHW: { win = calculate_max_window(*output->info()); win.set(Window::DimY, Window::Dimension(win.y().start(), win.y().end(), info.y())); if(multi_access_x) { _num_elems_processed_per_iteration_input_x = num_elems_processed_per_iteration_x / info.x(); win.set(Window::DimX, Window::Dimension(win.x().start(), ceil_to_multiple(win.x().end(), num_elems_processed_per_iteration_x), num_elems_processed_per_iteration_x)); } break; } case DataLayout::NHWC: { win = calculate_max_window(*output->info()); win.set(Window::DimY, Window::Dimension(win.y().start(), win.y().end(), info.x())); win.set(Window::DimZ, Window::Dimension(win.z().start(), win.z().end(), info.y())); if(multi_access_x) { _num_elems_processed_per_iteration_input_x = num_elems_processed_per_iteration_x; win.set(Window::DimX, Window::Dimension(win.x().start(), ceil_to_multiple(win.x().end(), num_elems_processed_per_iteration_x), num_elems_processed_per_iteration_x)); } break; } default: ARM_COMPUTE_ERROR("Not implemented"); } // Create kernel CLBuildOptions build_opts; build_opts.add_option(("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type()))); build_opts.add_option_if(multi_access_x, "-DVEC_SIZE_IN=" + support::cpp11::to_string(_num_elems_processed_per_iteration_input_x)); build_opts.add_option_if(multi_access_x, "-DVEC_SIZE_OUT=" + support::cpp11::to_string(num_elems_processed_per_iteration_x)); build_opts.add_option_if(multi_access_x, "-DLAST_ACCESSED_X_IN=" + support::cpp11::to_string(std::max(_input->info()->dimension(0) - _num_elems_processed_per_iteration_input_x, 0))); build_opts.add_option_if(multi_access_x, "-DLAST_ACCESSED_X_OUT=" + support::cpp11::to_string(std::max(output_width_x - num_elems_processed_per_iteration_x, 0))); _kernel = static_cast(CLKernelLibrary::get().create_kernel("upsample_layer_" + lower_string(string_from_data_layout(input->info()->data_layout())), build_opts.options())); ICLKernel::configure_internal(win); } void CLUpsampleLayerKernel::run(const Window &window, cl::CommandQueue &queue) { ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); Window collapsed_window = window.collapse_if_possible(ICLKernel::window(), Window::DimZ); Window slice_out = collapsed_window.first_slice_window_3D(); Window slice_in = collapsed_window.first_slice_window_3D(); DataLayout data_layout = _input->info()->data_layout(); switch(data_layout) { case DataLayout::NCHW: slice_in.set(Window::DimX, Window::Dimension(0, _input->info()->dimension(0), _num_elems_processed_per_iteration_input_x)); slice_in.set(Window::DimY, Window::Dimension(0, _input->info()->dimension(1), 1)); break; case DataLayout::NHWC: slice_in.set(Window::DimY, Window::Dimension(0, _input->info()->dimension(1), 1)); slice_in.set(Window::DimZ, Window::Dimension(0, _input->info()->dimension(2), 1)); break; default: ARM_COMPUTE_ERROR("Not implemented"); } 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(collapsed_window.slide_window_slice_3D(slice_out) && collapsed_window.slide_window_slice_3D(slice_in)); } } // namespace arm_compute