| /* |
| * Copyright (c) 2017 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/CLDepthwiseConvolutionKernel.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/ICLKernel.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/Types.h" |
| #include "arm_compute/core/Utils.h" |
| |
| using namespace arm_compute; |
| |
| CLDepthwiseConvolutionKernel::CLDepthwiseConvolutionKernel() |
| : _border_size(0), _input(), _output(), _weights(), _conv_stride_x(0), _conv_stride_y(0), _conv_pad_x(0), _conv_pad_y(0) |
| { |
| } |
| |
| BorderSize CLDepthwiseConvolutionKernel::border_size() const |
| { |
| return _border_size; |
| } |
| |
| void CLDepthwiseConvolutionKernel::configure(const ICLTensor *input, ICLTensor *output, const ICLTensor *weights, const PadStrideInfo &conv_info) |
| { |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F32); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::F32); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(weights, 1, DataType::F32); |
| ARM_COMPUTE_ERROR_ON(weights->info()->dimension(0) != 3 || weights->info()->dimension(1) != 3); |
| |
| _input = input; |
| _output = output; |
| _weights = weights; |
| _conv_stride_x = conv_info.stride().first; |
| _conv_stride_y = conv_info.stride().second; |
| _border_size = BorderSize(weights->info()->dimension(1) / 2, weights->info()->dimension(0) / 2); |
| _conv_pad_x = std::min(border_size().right, conv_info.pad().first); |
| _conv_pad_y = std::min(border_size().bottom, conv_info.pad().second); |
| |
| // Set build options |
| std::set<std::string> options; |
| |
| options.emplace("-DCONV_STRIDE_X=" + support::cpp11::to_string(_conv_stride_x)); |
| |
| _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel("depthwise_convolution_3x3", options)); |
| |
| // Configure kernel window |
| const unsigned int num_elems_processed_per_iteration = 2; |
| const unsigned int num_elems_written_per_iteration = 2; |
| const unsigned int num_elems_read_per_iteration = (_conv_stride_x == 1) ? 4 : (_conv_stride_x == 2) ? 5 : 6; |
| const unsigned int num_rows_read_per_iteration = 3; |
| |
| Window win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration)); |
| |
| const int access_right = border_size().left + ceil_to_multiple(border_size().left + input->info()->dimension(0), num_elems_read_per_iteration); |
| const int access_bottom = border_size().bottom + ceil_to_multiple(border_size().bottom + input->info()->dimension(1), num_rows_read_per_iteration); |
| |
| AccessWindowStatic input_access(input->info(), -border_size().left, -border_size().bottom, access_right, access_bottom); |
| AccessWindowHorizontal output_access(output->info(), 0, num_elems_written_per_iteration); |
| AccessWindowStatic weights_access(weights->info(), 0, 0, weights->info()->dimension(0), weights->info()->dimension(1)); |
| |
| update_window_and_padding(win, input_access, weights_access, output_access); |
| |
| output_access.set_valid_region(win, ValidRegion(Coordinates(), output->info()->tensor_shape())); |
| |
| ICLKernel::configure(win); |
| } |
| |
| void CLDepthwiseConvolutionKernel::run(const Window &window, cl::CommandQueue &queue) |
| { |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window); |
| |
| Window slice_in = window.first_slice_window_3D(); |
| Window slice_out = window.first_slice_window_3D(); |
| Window slice_weights = window.first_slice_window_3D(); |
| |
| slice_in.adjust(Window::DimX, -_conv_pad_x, true); |
| slice_in.adjust(Window::DimY, -_conv_pad_y, true); |
| slice_in.set_dimension_step(Window::DimX, window.x().step() * _conv_stride_x); |
| slice_in.set_dimension_step(Window::DimY, window.y().step() * _conv_stride_y); |
| slice_weights.set_dimension_step(Window::DimX, 0); |
| slice_weights.set_dimension_step(Window::DimY, 0); |
| |
| do |
| { |
| unsigned int idx = 0; |
| add_3D_tensor_argument(idx, _input, slice_in); |
| add_3D_tensor_argument(idx, _output, slice_out); |
| add_3D_tensor_argument(idx, _weights, slice_weights); |
| |
| enqueue(queue, *this, slice_out); |
| } |
| while(window.slide_window_slice_3D(slice_out)); |
| } |