From 721756352e68602fe6aaf90b3ca031c947cd2176 Mon Sep 17 00:00:00 2001 From: Michele Di Giorgio Date: Tue, 1 May 2018 16:52:00 +0100 Subject: COMPMID-1107: Add support for ChannelShuffle in CL Change-Id: I56d2a02b316f0c69ff1fd7220e732f775414fe69 Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/129709 Reviewed-by: Georgios Pinitas Tested-by: Jenkins Reviewed-by: Giorgio Arena Reviewed-by: Gian Marco Iodice --- .../CL/kernels/CLChannelShuffleLayerKernel.cpp | 153 +++++++++++++++++++++ 1 file changed, 153 insertions(+) create mode 100644 src/core/CL/kernels/CLChannelShuffleLayerKernel.cpp (limited to 'src/core/CL/kernels/CLChannelShuffleLayerKernel.cpp') diff --git a/src/core/CL/kernels/CLChannelShuffleLayerKernel.cpp b/src/core/CL/kernels/CLChannelShuffleLayerKernel.cpp new file mode 100644 index 0000000000..a667119c13 --- /dev/null +++ b/src/core/CL/kernels/CLChannelShuffleLayerKernel.cpp @@ -0,0 +1,153 @@ +/* + * Copyright (c) 2018 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/CLChannelShuffleLayerKernel.h" + +#include "arm_compute/core/CL/CLHelpers.h" +#include "arm_compute/core/CL/CLKernelLibrary.h" +#include "arm_compute/core/CL/ICLTensor.h" +#include "arm_compute/core/Error.h" +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/TensorInfo.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/core/Window.h" + +namespace arm_compute +{ +namespace +{ +Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output, unsigned int num_groups) +{ + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8, DataType::S8, DataType::QS8, DataType::QASYMM8, + DataType::U16, DataType::S16, DataType::QS16, + DataType::U32, DataType::S32, + DataType::F16, DataType::F32); + ARM_COMPUTE_RETURN_ERROR_ON_MSG(num_groups < 2, "Channel shuffling with less than 2 groups would be inefficient"); + + const unsigned int channels = input->dimension(get_data_layout_dimension_index(input->data_layout(), DataLayoutDimension::CHANNEL)); + + ARM_COMPUTE_RETURN_ERROR_ON_MSG(num_groups == channels, "Channel shuffling with same number of groups as number of channels would be inefficient"); + // There cannot be more groups than channels + ARM_COMPUTE_RETURN_ERROR_ON(num_groups > channels); + ARM_COMPUTE_RETURN_ERROR_ON_MSG((channels % num_groups) != 0, "The number of channels must be a multiple of the number of groups"); + + // Checks performed when output is configured + if(output->total_size() != 0) + { + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(input, output); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); + } + + return Status{}; +} + +std::pair validate_and_configure_window(ITensorInfo *input, ITensorInfo *output) +{ + // Output tensor auto initialization if not yet initialized + auto_init_if_empty(*output, *input->clone()); + + const unsigned int num_elems_processed_per_iteration = max_cl_vector_width / input->element_size(); + + // Configure kernel window + Window win = calculate_max_window(*input, Steps(num_elems_processed_per_iteration, num_elems_processed_per_iteration)); + AccessWindowRectangle input_access(input, 0, 0, num_elems_processed_per_iteration, num_elems_processed_per_iteration); + AccessWindowRectangle output_access(output, 0, 0, num_elems_processed_per_iteration, num_elems_processed_per_iteration); + + const bool window_changed = update_window_and_padding(win, input_access, output_access); + output_access.set_valid_region(win, input->valid_region()); + + Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{}; + return std::make_pair(err, win); +} +} // namespace + +CLChannelShuffleLayerKernel::CLChannelShuffleLayerKernel() + : _input(nullptr), _output(nullptr) +{ +} + +void CLChannelShuffleLayerKernel::configure(const ICLTensor *input, ICLTensor *output, unsigned int num_groups) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); + + _input = input; + _output = output; + + ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info(), num_groups)); + + const unsigned int channels = input->info()->dimension(get_data_layout_dimension_index(input->info()->data_layout(), DataLayoutDimension::CHANNEL)); + const unsigned int block_size = max_cl_vector_width / input->info()->element_size(); + + // Set kernel build options + CLBuildOptions build_opts; + build_opts.add_option("-DNUM_GROUPS=" + support::cpp11::to_string(num_groups)); + build_opts.add_option("-DK=" + support::cpp11::to_string(channels / num_groups)); + build_opts.add_option("-DBLOCK_SIZE=" + support::cpp11::to_string(block_size)); + switch(input->info()->element_size()) + { + case 1: + build_opts.add_option("-DDATA_TYPE=uchar"); + break; + case 2: + build_opts.add_option("-DDATA_TYPE=ushort"); + break; + case 4: + build_opts.add_option("-DDATA_TYPE=uint"); + break; + default: + ARM_COMPUTE_ERROR("Data type not supported"); + } + + // Create kernel + _kernel = static_cast(CLKernelLibrary::get().create_kernel("channel_shuffle_nchw", build_opts.options())); + + // Configure kernel window + auto win_config = validate_and_configure_window(input->info(), output->info()); + ARM_COMPUTE_ERROR_THROW_ON(win_config.first); + ICLKernel::configure(win_config.second); +} + +Status CLChannelShuffleLayerKernel::validate(const ITensorInfo *input, const ITensorInfo *output, unsigned int num_groups) +{ + ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output, num_groups)); + ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), output->clone().get()).first); + + return Status{}; +} + +void CLChannelShuffleLayerKernel::run(const Window &window, cl::CommandQueue &queue) +{ + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); + + Window slice = window.first_slice_window_3D(); + do + { + unsigned int idx = 0; + add_3D_tensor_argument(idx, _input, slice); + add_3D_tensor_argument(idx, _output, slice); + enqueue(queue, *this, slice); + } + while(window.slide_window_slice_3D(slice)); +} +} // namespace arm_compute -- cgit v1.2.1