diff options
Diffstat (limited to 'compute/ARMComputeEx/src/core/CL/kernels/CLSpaceToBatchNDKernel.cpp')
| -rw-r--r-- | compute/ARMComputeEx/src/core/CL/kernels/CLSpaceToBatchNDKernel.cpp | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/compute/ARMComputeEx/src/core/CL/kernels/CLSpaceToBatchNDKernel.cpp b/compute/ARMComputeEx/src/core/CL/kernels/CLSpaceToBatchNDKernel.cpp new file mode 100644 index 000000000..f7836b6cd --- /dev/null +++ b/compute/ARMComputeEx/src/core/CL/kernels/CLSpaceToBatchNDKernel.cpp @@ -0,0 +1,241 @@ +/* + * 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/CLSpaceToBatchNDKernel.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 +{ +constexpr unsigned int num_elems_processed_per_iteration = 16; + +Status validate_arguments(const ITensorInfo *input, const ITensorInfo *block_size, + const ITensorInfo *padding_size, const ITensorInfo *output) +{ + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8, DataType::QASYMM8, + DataType::S16, DataType::F16, DataType::S32, + DataType::F32); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(block_size, 1, DataType::S32); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(padding_size, 1, DataType::S32); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8, DataType::QASYMM8, + DataType::S16, DataType::F16, DataType::S32, + DataType::F32); + + ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->num_dimensions() != output->num_dimensions(), + "The number of dimensions of input should be equal to output"); + + ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_layout() != output->data_layout(), + "The input and output layouts are different!"); + + // TODO Support other cases + if (input->num_dimensions() == 4 && input->data_layout() == DataLayout::NCHW) + { + 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(block_size->dimension(0) != 2 || + padding_size->dimension(1) != 2, + "Only 2-dimensional spatial block's size was wrong"); + } + else if (input->num_dimensions() == 4 && input->data_layout() == DataLayout::NHWC) + { + ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->dimension(0) != output->dimension(0), + "Input Depth should be equal to Output Depth"); + ARM_COMPUTE_RETURN_ERROR_ON_MSG(block_size->dimension(0) != 2 || + padding_size->dimension(1) != 2, + "Only 2-dimensional spatial block's size was wrong"); + } + else + { + ARM_COMPUTE_RETURN_ERROR_MSG("CLSpaceToBatchNDKernel supports only 4-dimensional input"); + } + + ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->num_dimensions() < 2 && input->num_dimensions() > 4, + "CLSpaceToBatchNDKernel supports dimensions up to 4"); + + if (input->data_type() == DataType::QASYMM8) + { + ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->quantization_info() != output->quantization_info(), + "The input and output quantization info are different!"); + } + + return Status{}; +} + +} // namespace + +CLSpaceToBatchNDKernel::CLSpaceToBatchNDKernel() +{ + // DO NOTHING +} + +void CLSpaceToBatchNDKernel::configure(const ICLTensor *input, const ICLTensor *block_size, + const ICLTensor *padding_size, ICLTensor *output) +{ + + ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); + ARM_COMPUTE_ERROR_THROW_ON( + validate_arguments(input->info(), block_size->info(), padding_size->info(), output->info())); + + _input = input; + _block_size = block_size; + _padding_size = padding_size; + _output = output; + + // Set kernel build options + // TODO Support other cases + std::string kernel_name = "space_to_batch_4d"; + std::set<std::string> build_opts; + Window win; + + if (input->info()->data_layout() == DataLayout::NCHW) + { + kernel_name += "_nchw"; + build_opts.emplace("-DDEPTH_OUT=" + support::cpp11::to_string(output->info()->dimension(2))); + build_opts.emplace("-DHEIGHT_IN=" + support::cpp11::to_string(input->info()->dimension(1))); + build_opts.emplace("-DWIDTH_IN=" + support::cpp11::to_string(input->info()->dimension(0))); + + 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())); + } + else if (input->info()->data_layout() == DataLayout::NHWC) + { + kernel_name += "_nhwc"; + build_opts.emplace("-DHEIGHT_OUT=" + support::cpp11::to_string(output->info()->dimension(2))); + build_opts.emplace("-DHEIGHT_IN=" + support::cpp11::to_string(input->info()->dimension(2))); + build_opts.emplace("-DWIDTH_IN=" + support::cpp11::to_string(input->info()->dimension(1))); + build_opts.emplace("-DVEC_SIZE=" + + support::cpp11::to_string(num_elems_processed_per_iteration)); + + win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration)); + AccessWindowHorizontal input_access(input->info(), 0, num_elems_processed_per_iteration); + AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration); + + bool window_changed = update_window_and_padding(win, input_access, output_access); + input_access.set_valid_region(win, output->info()->valid_region()); + + if (window_changed) + { + ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!"); + } + } + else + { + ARM_COMPUTE_ERROR("Unsupported layout"); + } + + build_opts.emplace("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type())); + build_opts.emplace("-DBATCH_IN=" + support::cpp11::to_string(input->info()->dimension(3))); + if (input->info()->data_type() == DataType::QASYMM8) + { + build_opts.emplace("-DZERO_VALUE=" + + support::cpp11::to_string(input->info()->quantization_info().offset)); + } + else + { + build_opts.emplace("-DZERO_VALUE=" + support::cpp11::to_string(0)); + } + + // Create kernel + _kernel = + static_cast<cl::Kernel>(CLKernelLibraryEx::get().create_kernel(kernel_name, build_opts)); + + // Configure kernel window + ICLKernel::configure_internal(win); +} + +void CLSpaceToBatchNDKernel::run(const Window &window, cl::CommandQueue &queue) +{ + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_MISMATCHING_WINDOWS(ICLKernel::window(), window); + +#if defined(ARM_COMPUTE_DEBUG_ENABLED) + const_cast<ICLTensor *>(_block_size)->map(queue); + const_cast<ICLTensor *>(_padding_size)->map(queue); + + const size_t num_dimensions = _input->info()->num_dimensions(); + const size_t num_spacial_dimensions = _block_size->info()->dimension(0); + uint32_t batch_size = _input->info()->dimension(num_dimensions - 1); + for (size_t i = 0; i < num_spacial_dimensions; ++i) + { + const int32_t block_size = *reinterpret_cast<int32_t *>(_block_size->ptr_to_element({i})); + const int32_t padding_size_pre = + *reinterpret_cast<int32_t *>(_padding_size->ptr_to_element({0, i})); + const int32_t padding_size_post = + *reinterpret_cast<int32_t *>(_padding_size->ptr_to_element({1, i})); + + ARM_COMPUTE_ERROR_ON_MSG(block_size < 1, "Block size should be greater than or equal to 1"); + ARM_COMPUTE_ERROR_ON_MSG(padding_size_pre < 0 && padding_size_post < 0, + "Padding size should be greater than or equal to 0"); + + if (num_dimensions == 4 && _input->info()->data_layout() == DataLayout::NCHW) + { + ARM_COMPUTE_ERROR_ON_MSG( + _output->info()->dimension(i) != + (_input->info()->dimension(i) + padding_size_pre + padding_size_post) / block_size, + "Dimension value of spatial block does not match output's dimension value"); + } + else + { + ARM_COMPUTE_ERROR_ON_MSG( + _output->info()->dimension(num_dimensions - num_spacial_dimensions - 1 + i) != + (_input->info()->dimension(num_dimensions - num_spacial_dimensions - 1 + i) + + padding_size_pre + padding_size_post) / + block_size, + "Dimension value of spatial block does not match output's dimension value"); + } + + batch_size *= block_size; + } + ARM_COMPUTE_ERROR_ON_MSG( + _output->info()->dimension(num_dimensions - 1) != batch_size, + "Output batch size should be equal to input batch size * (multiplication of all block size)"); + + const_cast<ICLTensor *>(_block_size)->unmap(queue); + const_cast<ICLTensor *>(_padding_size)->unmap(queue); +#endif // defined(ARM_COMPUTE_DEBUG_ENABLED) + + Window slice_out = window.first_slice_window_4D().collapse(ICLKernel::window(), 2, 4); + + // Setup output slice + Window slice_in(slice_out); + slice_in.set(Window::DimX, Window::Dimension(0, 0, 0)); + slice_in.set(Window::DimY, Window::Dimension(0, 0, 0)); + slice_in.set(Window::DimZ, Window::Dimension(0, 0, 0)); + slice_in.set(3, Window::Dimension(0, 0, 0)); + + // Set block size window + Window win_block = calculate_max_window(*_block_size->info(), Steps()); + + // Set padding size window + Window win_padding = calculate_max_window(*_padding_size->info(), Steps()); + + do + { + unsigned int idx = 0; + add_4D_tensor_argument(idx, _input, slice_in); + add_4D_tensor_argument(idx, _output, slice_out); + add_1D_tensor_argument(idx, _block_size, win_block); + add_2D_tensor_argument(idx, _padding_size, win_padding); + enqueue(queue, *this, slice_out); + } while (window.slide_window_slice_4D(slice_out) && window.slide_window_slice_4D(slice_in)); +} |