diff options
Diffstat (limited to 'libs/ARMComputeEx/src/core/CL/kernels/CLBatchToSpaceNDKernel.cpp')
-rw-r--r-- | libs/ARMComputeEx/src/core/CL/kernels/CLBatchToSpaceNDKernel.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/libs/ARMComputeEx/src/core/CL/kernels/CLBatchToSpaceNDKernel.cpp b/libs/ARMComputeEx/src/core/CL/kernels/CLBatchToSpaceNDKernel.cpp new file mode 100644 index 000000000..b0016d23c --- /dev/null +++ b/libs/ARMComputeEx/src/core/CL/kernels/CLBatchToSpaceNDKernel.cpp @@ -0,0 +1,117 @@ +/* + * 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/CLBatchToSpaceNDKernel.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[0] >= 1 && block_size[1] >= 1, + "Block size should be greater than or equal to 1."); + + ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->dimension(2) == output->dimension(2), + "Input Depth should be equal to Output Depth"); + + ARM_COMPUTE_RETURN_ERROR_ON_MSG( + output->dimension(3) * block_size[0] * block_size[1] == input->dimension(3), + "Input batch should be equal to (output batch * block size[0] *block size[1])"); + + ARM_COMPUTE_RETURN_ERROR_ON_MSG(!(output->dimension(0) % block_size[1]) && + !(output->dimension(1) % block_size[0]), + "Output height and width should be divisible by block size[0] " + "and block_size[1] respectively"); + + ARM_COMPUTE_RETURN_ERROR_ON_MSG((output->dimension(0) == input->dimension(0) * block_size[1]) && + (output->dimension(1) == input->dimension(1) * block_size[0]), + "Output height and width should be equal to " + "input_height*blocksize[0] and input_width*blocksize[1] " + "respectively"); + + return Status{}; +} + +} // namespace + +CLBatchToSpaceNDKernel::CLBatchToSpaceNDKernel() : _input(nullptr), _output(nullptr) {} + +void CLBatchToSpaceNDKernel::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 + 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_SIZE0=" + support::cpp11::to_string(block_size[0])); + build_opts.emplace("-DBLOCK_SIZE1=" + support::cpp11::to_string(block_size[1])); + build_opts.emplace("-DBATCH_OUT=" + support::cpp11::to_string(output->info()->dimension(3))); + build_opts.emplace("-DDEPTH_OUT=" + support::cpp11::to_string(output->info()->dimension(2))); + + // Create kernel + _kernel = static_cast<cl::Kernel>( + CLKernelLibraryEx::get().create_kernel("batch_to_space_nd", build_opts)); + + // Configure kernel window + Window win = calculate_max_window(*output->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 CLBatchToSpaceNDKernel::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_out); + add_4D_tensor_argument(idx, _output, slice_in); + enqueue(queue, *this, slice_in); + } while (window.slide_window_slice_4D(slice_out) && window.slide_window_slice_4D(slice_in)); +} |