diff options
Diffstat (limited to 'src/core/CL/kernels/CLUpsampleLayerKernel.cpp')
| -rw-r--r-- | src/core/CL/kernels/CLUpsampleLayerKernel.cpp | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/core/CL/kernels/CLUpsampleLayerKernel.cpp b/src/core/CL/kernels/CLUpsampleLayerKernel.cpp new file mode 100644 index 0000000000..ee3fa1141d --- /dev/null +++ b/src/core/CL/kernels/CLUpsampleLayerKernel.cpp @@ -0,0 +1,163 @@ +/* + * Copyright (c) 2018 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_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"); + + 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<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(); + + 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 |