diff options
Diffstat (limited to 'runtimes/libs/ARMComputeEx/src/core/CL/kernels/CLSpaceToDepthKernel.cpp')
-rw-r--r-- | runtimes/libs/ARMComputeEx/src/core/CL/kernels/CLSpaceToDepthKernel.cpp | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/runtimes/libs/ARMComputeEx/src/core/CL/kernels/CLSpaceToDepthKernel.cpp b/runtimes/libs/ARMComputeEx/src/core/CL/kernels/CLSpaceToDepthKernel.cpp new file mode 100644 index 000000000..b085192a2 --- /dev/null +++ b/runtimes/libs/ARMComputeEx/src/core/CL/kernels/CLSpaceToDepthKernel.cpp @@ -0,0 +1,124 @@ +/* + * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved + * Copyright (c) 2016-2018 ARM Limited. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "arm_compute/core/CL/kernels/CLSpaceToDepthKernel.h" + +#include "arm_compute/core/CL/CLHelpers.h" +#include "arm_compute/core/CL/CLKernelLibraryEx.h" +#include "arm_compute/core/CL/ICLTensor.h" + +using namespace arm_compute; + +namespace +{ +Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output, + const int32_t block_size) +{ + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8, DataType::QASYMM8, + DataType::S16, DataType::S32, DataType::F16, + DataType::F32); + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8, DataType::QASYMM8, + DataType::S16, DataType::S32, DataType::F16, + DataType::F32); + ARM_COMPUTE_RETURN_ERROR_ON_MSG(block_size < 1, + "Block size should be greater than or equal to 1."); + + ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->dimension(3) != output->dimension(3), + "Input batch should be equal to Output batch"); + + auto layout_out = input->data_layout(); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_LAYOUT(input, output); + + auto index_depth = get_data_layout_dimension_index(layout_out, DataLayoutDimension::CHANNEL); + auto index_height = get_data_layout_dimension_index(layout_out, DataLayoutDimension::HEIGHT); + auto index_width = get_data_layout_dimension_index(layout_out, DataLayoutDimension::WIDTH); + ARM_COMPUTE_RETURN_ERROR_ON_MSG( + input->dimension(index_depth) * block_size * block_size != output->dimension(index_depth), + "Output depth should be equal to (input depth * block size *block size)"); + + ARM_COMPUTE_RETURN_ERROR_ON_MSG((input->dimension(index_width) % block_size) || + (input->dimension(index_height) % block_size), + "Input height and width should be divisible by block size"); + + ARM_COMPUTE_RETURN_ERROR_ON_MSG( + (output->dimension(index_width) != (input->dimension(index_width) / block_size)) || + (output->dimension(index_height) != (input->dimension(index_height) / block_size)), + "Output height and width should be equal to " + "input_height/blocksize and input_width/blocksize respectively"); + + return Status{}; +} + +} // namespace + +CLSpaceToDepthKernel::CLSpaceToDepthKernel() : _input(nullptr), _output(nullptr) {} + +void CLSpaceToDepthKernel::configure(const ICLTensor *input, ICLTensor *output, + const int32_t block_size) +{ + + ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); + ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info(), block_size)); + + _input = input; + _output = output; + + // Set kernel build options + auto layout_out = input->info()->data_layout(); + std::set<std::string> build_opts; + build_opts.emplace("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type())); + build_opts.emplace("-DBLOCK_SIZE=" + support::cpp11::to_string(block_size)); + auto index_depth = get_data_layout_dimension_index(layout_out, DataLayoutDimension::CHANNEL); + auto depth = input->info()->dimension(index_depth); + build_opts.emplace("-DDEPTH_IN=" + support::cpp11::to_string(depth)); + build_opts.emplace("-DZ_IN=" + support::cpp11::to_string(input->info()->tensor_shape().z())); + + // Create kernel + _kernel = static_cast<cl::Kernel>(CLKernelLibraryEx::get().create_kernel( + "space_to_depth_" + lower_string(string_from_data_layout(layout_out)), build_opts)); + + // Configure kernel window + Window win = calculate_max_window(*input->info(), Steps()); + + Coordinates coord; + coord.set_num_dimensions(output->info()->num_dimensions()); + output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape())); + + ICLKernel::configure_internal(win); +} + +void CLSpaceToDepthKernel::run(const Window &window, cl::CommandQueue &queue) +{ + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_MISMATCHING_WINDOWS(ICLKernel::window(), window); + + Window slice_in = window.first_slice_window_4D().collapse(ICLKernel::window(), 2, 4); + + // Setup output slice + Window slice_out(slice_in); + slice_out.set(Window::DimX, Window::Dimension(0, 0, 0)); + slice_out.set(Window::DimY, Window::Dimension(0, 0, 0)); + slice_out.set(Window::DimZ, Window::Dimension(0, 0, 0)); + slice_out.set(3, Window::Dimension(0, 0, 0)); + + do + { + unsigned int idx = 0; + add_4D_tensor_argument(idx, _input, slice_in); + add_4D_tensor_argument(idx, _output, slice_out); + enqueue(queue, *this, slice_in); + } while (window.slide_window_slice_4D(slice_in) && window.slide_window_slice_4D(slice_out)); +} |