| /* |
| * Copyright (c) 2018-2020 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 "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/CLValidate.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" |
| #include "support/StringSupport.h" |
| |
| namespace arm_compute |
| { |
| CLUpsampleLayerKernel::CLUpsampleLayerKernel() |
| : _input(nullptr), _output(nullptr), _info(), _data_layout(DataLayout::UNKNOWN), _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_F16_UNSUPPORTED(input); |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED, 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; |
| _data_layout = input->info()->data_layout(); |
| _num_elems_processed_per_iteration_input_x = 1; |
| |
| 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<int>(_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<int>(output_width_x - num_elems_processed_per_iteration_x, 0))); |
| _kernel = static_cast<cl::Kernel>(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(); |
| |
| 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, lws_hint()); |
| } |
| while(collapsed_window.slide_window_slice_3D(slice_out) && collapsed_window.slide_window_slice_3D(slice_in)); |
| } |
| } // namespace arm_compute |