| /* |
| * 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 "src/core/CL/kernels/CLGatherKernel.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" |
| |
| #include <string> |
| |
| namespace arm_compute |
| { |
| namespace |
| { |
| inline Status validate_arguments(const ITensorInfo *input, const ITensorInfo *indices, const ITensorInfo *output, int axis) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, indices, output); |
| const uint32_t actual_axis = wrap_around(axis, static_cast<int>(input->num_dimensions())); |
| ARM_COMPUTE_RETURN_ERROR_ON(indices->num_dimensions() > 1); |
| ARM_COMPUTE_RETURN_ERROR_ON(input->num_dimensions() > 4); |
| ARM_COMPUTE_RETURN_ERROR_ON(actual_axis >= input->num_dimensions()); |
| ARM_COMPUTE_RETURN_ERROR_ON(input->data_type() == DataType::UNKNOWN); |
| |
| if(output->total_size() != 0) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(input, output); |
| TensorShape output_shape = arm_compute::misc::shape_calculator::compute_gather_shape(input->tensor_shape(), indices->tensor_shape(), actual_axis); |
| ARM_COMPUTE_RETURN_ERROR_ON(output_shape.total_size() != output->tensor_shape().total_size()); |
| } |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(indices, 1, DataType::U32, DataType::S32); |
| |
| return Status{}; |
| } |
| |
| std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITensorInfo *indices, ITensorInfo *output, int axis) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(input, output, indices); |
| const uint32_t actual_axis = wrap_around(axis, static_cast<int>(input->num_dimensions())); |
| // Output auto initialization if not yet initialized |
| TensorShape output_shape = arm_compute::misc::shape_calculator::compute_gather_shape(input->tensor_shape(), indices->tensor_shape(), actual_axis); |
| auto_init_if_empty((*output), output_shape, 1, input->data_type()); |
| |
| // Create window |
| Window win = calculate_max_window(*output, Steps()); |
| output->set_valid_region(ValidRegion(Coordinates(), output->tensor_shape())); |
| |
| return std::make_pair(Status{}, win); |
| } |
| |
| } // namespace |
| |
| CLGatherKernel::CLGatherKernel() |
| : _input(nullptr), _indices(nullptr), _output(nullptr), _axis(0) |
| { |
| } |
| |
| void CLGatherKernel::configure(const ICLTensor *input, const ICLTensor *indices, ICLTensor *output, int axis) |
| { |
| configure(CLKernelLibrary::get().get_compile_context(), input, indices, output, axis); |
| } |
| |
| void CLGatherKernel::configure(const CLCompileContext &compile_context, const ICLTensor *input, const ICLTensor *indices, ICLTensor *output, int axis) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(input, output, indices); |
| auto padding_info = get_padding_info({ input, output, indices }); |
| ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), indices->info(), output->info(), axis)); |
| |
| // Configure kernel window |
| auto win_config = validate_and_configure_window(input->info(), indices->info(), output->info(), axis); |
| ARM_COMPUTE_ERROR_THROW_ON(win_config.first); |
| |
| _input = input; |
| _output = output; |
| _indices = indices; |
| _axis = wrap_around(axis, static_cast<int>(input->info()->num_dimensions())); |
| |
| // Set build options |
| CLBuildOptions build_opts; |
| build_opts.add_option("-DDATA_TYPE=" + get_cl_unsigned_type_from_element_size(data_size_from_type(input->info()->data_type()))); |
| build_opts.add_option("-DOUTPUT_DIM_Z=" + support::cpp11::to_string(output->info()->dimension(2))); |
| build_opts.add_option("-DINPUT_DIM_Z=" + support::cpp11::to_string(input->info()->dimension(2))); |
| build_opts.add_option("-DAXIS=" + support::cpp11::to_string(_axis)); |
| |
| // Create kernel |
| _kernel = create_kernel(compile_context, "gather", build_opts.options()); |
| ICLKernel::configure_internal(win_config.second); |
| ARM_COMPUTE_ERROR_ON(has_padding_changed(padding_info)); |
| } |
| |
| Status CLGatherKernel::validate(const ITensorInfo *input, const ITensorInfo *indices, const ITensorInfo *output, int axis) |
| { |
| ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, indices, output, axis)); |
| ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), indices->clone().get(), output->clone().get(), axis).first); |
| return Status{}; |
| } |
| |
| void CLGatherKernel::run(const Window &window, cl::CommandQueue &queue) |
| { |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window); |
| |
| Window window_collapsed = window.collapse_if_possible(ICLKernel::window(), Window::DimZ); |
| unsigned int idx = 0; |
| add_4D_tensor_argument(idx, _input, window_collapsed); |
| add_1D_tensor_argument(idx, _indices, window_collapsed); |
| add_4D_tensor_argument(idx, _output, window_collapsed); |
| enqueue(queue, *this, window_collapsed, lws_hint()); |
| } |
| } // namespace arm_compute |