diff options
Diffstat (limited to 'src/core/CL/kernels/CLGatherKernel.cpp')
| -rw-r--r-- | src/core/CL/kernels/CLGatherKernel.cpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/core/CL/kernels/CLGatherKernel.cpp b/src/core/CL/kernels/CLGatherKernel.cpp new file mode 100644 index 0000000000..006e755b30 --- /dev/null +++ b/src/core/CL/kernels/CLGatherKernel.cpp @@ -0,0 +1,135 @@ +/* + * 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/CLGatherKernel.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/CL/OpenCL.h" +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/IAccessWindow.h" +#include "arm_compute/core/TensorInfo.h" +#include "arm_compute/core/Window.h" +#include "arm_compute/core/utils/misc/ShapeCalculator.h" + +#include <string> + +namespace arm_compute +{ +namespace +{ +inline Status validate_arguments(const ITensorInfo *input, const ITensorInfo *indices, const ITensorInfo *output, int axis) +{ + 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_NULLPTR(output); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8, DataType::S8, DataType::QASYMM8, + DataType::U16, DataType::S16, + DataType::U32, DataType::S32, DataType::F16, DataType::F32); + + 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); + + 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) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(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_type_from_data_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 = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel("gather", build_opts.options())); + ICLKernel::configure_internal(win_config.second); +} + +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); +} +} // namespace arm_compute |