| /* |
| * Copyright (c) 2017-2018 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/NEON/kernels/NEDepthwiseConvolutionLayer3x3Kernel.h" |
| #include "arm_compute/core/NEON/kernels/detail/NEDirectConvolutionDetail.h" |
| |
| #include "arm_compute/core/AccessWindowStatic.h" |
| #include "arm_compute/core/AccessWindowTranspose.h" |
| #include "arm_compute/core/Coordinates.h" |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/ITensor.h" |
| #include "arm_compute/core/NEON/INEKernel.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/TensorShape.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/core/Utils.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/core/Window.h" |
| #include "arm_compute/core/utils/misc/ShapeCalculator.h" |
| #include "support/ToolchainSupport.h" |
| |
| using namespace arm_compute; |
| using namespace arm_compute::detail; |
| using namespace arm_compute::misc::shape_calculator; |
| using namespace depthwise; |
| |
| namespace |
| { |
| template <typename T1, typename T2, unsigned int stridex> |
| class convolver_3x3 |
| { |
| public: |
| static void convolve(const Window &window, unsigned int num_elems_written_per_iteration, |
| const ITensor *input, const ITensor *weights, ITensor *output, const PadStrideInfo &conv_info) |
| { |
| const int input_offset = -input->info()->quantization_info().offset; |
| const int weights_offset = -weights->info()->quantization_info().offset; |
| |
| const int input_stride_x = input->info()->strides_in_bytes().x(); |
| const int input_stride_y = input->info()->strides_in_bytes().y(); |
| const int output_stride_y = output->info()->strides_in_bytes().y(); |
| const int kernel_stride_y = weights->info()->strides_in_bytes().y(); |
| const int kernel_stride_z = weights->info()->strides_in_bytes().z(); |
| const int output_w = output->info()->dimension(0); |
| const int output_h = output->info()->dimension(1); |
| const int delta_input = get_input_num_elems_processed<stridex>(num_elems_written_per_iteration); |
| const unsigned int conv_stride_y = std::get<1>(conv_info.stride()); |
| const unsigned int conv_pad_x = conv_info.pad_left(); |
| const unsigned int conv_pad_y = conv_info.pad_top(); |
| |
| // setup output window for the iterator |
| Window window_out = window; |
| window_out.set(Window::DimX, Window::Dimension(0, output->info()->dimension(Window::DimX), output->info()->dimension(Window::DimX))); |
| window_out.set(Window::DimY, Window::Dimension(0, output->info()->dimension(Window::DimY), output->info()->dimension(Window::DimY))); |
| |
| // setup input window for the iterator |
| Window window_in = window; |
| // we just want execute_window_loop to iterate over the dimensions > 2, so we set the first 2 dimensions to 0 |
| window_in.set(Window::DimX, Window::Dimension(0, 0, 0)); |
| window_in.set(Window::DimY, Window::Dimension(0, 0, 0)); |
| |
| Window window_k = calculate_max_window(*weights->info(), Steps(1u)); |
| |
| Iterator in(input, window_in); |
| Iterator out(output, window_out); |
| Iterator w(weights, window_k); |
| |
| const uint8_t *weights_ptr = w.ptr(); |
| |
| execute_window_loop(window_out, [&](const Coordinates & id) |
| { |
| int ih = 0; |
| int oh = 0; |
| |
| const uint8_t *input_ptr = in.ptr() - conv_pad_x * input_stride_x - conv_pad_y * input_stride_y; |
| const uint8_t *ptr_weights_base = weights_ptr + id.z() * kernel_stride_z; |
| |
| const auto ptr_weights_r0 = reinterpret_cast<const T1 *>(ptr_weights_base); |
| const auto ptr_weights_r1 = reinterpret_cast<const T1 *>(ptr_weights_base + kernel_stride_y); |
| const auto ptr_weights_r2 = reinterpret_cast<const T1 *>(ptr_weights_base + kernel_stride_y * 2); |
| const auto vw_r0 = load_matrix_row(ptr_weights_r0, weights_offset); |
| const auto vw_r1 = load_matrix_row(ptr_weights_r1, weights_offset); |
| const auto vw_r2 = load_matrix_row(ptr_weights_r2, weights_offset); |
| |
| for(ih = 0, oh = 0; oh < output_h; ++oh, ih += conv_stride_y) |
| { |
| auto in_top = reinterpret_cast<const T1 *>(input_ptr + (ih + 0) * input_stride_y); |
| auto in_mid = reinterpret_cast<const T1 *>(input_ptr + (ih + 1) * input_stride_y); |
| auto in_low = reinterpret_cast<const T1 *>(input_ptr + (ih + 2) * input_stride_y); |
| auto p_out = reinterpret_cast<T2 *>(out.ptr() + oh * output_stride_y); |
| |
| for(int ow = 0; ow < output_w; ow += num_elems_written_per_iteration, |
| in_top += delta_input, in_mid += delta_input, in_low += delta_input, |
| p_out += num_elems_written_per_iteration) |
| { |
| auto vres = convolve_3x3<stridex>(in_top, in_mid, in_low, vw_r0, vw_r1, vw_r2, 0, input_offset); |
| store_results<stridex>(p_out, vres); |
| } |
| } |
| }, |
| in, out); |
| } |
| }; |
| |
| template <typename T1, typename T2> |
| inline void convolve_3x3(const Window &window, unsigned int num_elems_written_per_iteration, |
| const ITensor *input, const ITensor *weights, ITensor *output, const PadStrideInfo &conv_info) |
| { |
| const unsigned int conv_stride_x = std::get<0>(conv_info.stride()); |
| switch(conv_stride_x) |
| { |
| case 1: |
| convolver_3x3<T1, T2, 1>::convolve(window, num_elems_written_per_iteration, input, weights, output, conv_info); |
| break; |
| case 2: |
| convolver_3x3<T1, T2, 2>::convolve(window, num_elems_written_per_iteration, input, weights, output, conv_info); |
| break; |
| case 3: |
| convolver_3x3<T1, T2, 3>::convolve(window, num_elems_written_per_iteration, input, weights, output, conv_info); |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Not implemented"); |
| } |
| } |
| } // namespace |
| |
| NEDepthwiseConvolutionLayer3x3Kernel::NEDepthwiseConvolutionLayer3x3Kernel() |
| : _border_size(0), _input(), _output(), _weights(), _conv_info(), _convolver(nullptr), _num_elems_written_per_iteration(0), _run_optimized(false) |
| { |
| } |
| |
| BorderSize NEDepthwiseConvolutionLayer3x3Kernel::border_size() const |
| { |
| return _border_size; |
| } |
| |
| void NEDepthwiseConvolutionLayer3x3Kernel::configure(const ITensor *input, const ITensor *weights, ITensor *output, const PadStrideInfo &conv_info, DataLayout data_layout) |
| { |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::QASYMM8, DataType::F32); |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, weights); |
| |
| _input = input; |
| _output = output; |
| _weights = weights; |
| _conv_info = conv_info; |
| _convolver = nullptr; |
| |
| _run_optimized = NEDepthwiseConvolutionLayer3x3Kernel::is_optimized_execution_possible(input->info()->tensor_shape(), |
| conv_info, |
| input->info()->data_type(), |
| data_layout); |
| |
| (_run_optimized) ? configure_optimized() : configure_generic(); |
| } |
| |
| void NEDepthwiseConvolutionLayer3x3Kernel::run(const Window &window, const ThreadInfo &info) |
| { |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_UNUSED(info); |
| |
| (_run_optimized) ? run_optimized(window, info) : run_generic(window, info); |
| } |
| |
| bool NEDepthwiseConvolutionLayer3x3Kernel::is_optimized_execution_possible(TensorShape input_shape, PadStrideInfo conv_info, DataType dt, DataLayout data_layout) |
| { |
| // Reshape input shape if in NHWC format |
| TensorShape in_shape{ input_shape }; |
| if(data_layout == DataLayout::NHWC) |
| { |
| in_shape.set(Window::DimX, input_shape.y()); |
| in_shape.set(Window::DimY, input_shape.z()); |
| in_shape.set(Window::DimZ, input_shape.x()); |
| } |
| |
| // Check supported data type |
| bool supported_datatype = (dt == DataType::F32); |
| |
| // Check for supported strides |
| const auto &strides = conv_info.stride(); |
| bool supported_strides = (strides.first == strides.second) && ((strides.first == 1) || (strides.first == 2)); |
| |
| // Check for supported padding |
| const auto pad_top = conv_info.pad_top(); |
| const auto pad_right = conv_info.pad_right(); |
| const auto pad_bottom = conv_info.pad_bottom(); |
| const auto pad_left = conv_info.pad_left(); |
| PadStrideInfo same_pad = calculate_same_pad(in_shape, TensorShape(3U, 3U), conv_info); |
| bool is_same_padding = (pad_top == same_pad.pad_top()) && (pad_right == same_pad.pad_right()) && (pad_bottom == same_pad.pad_bottom()) && (pad_left == same_pad.pad_left()); |
| bool is_valid_padding = (pad_top == 0) && (pad_right == 0) && (pad_bottom == 0) && (pad_left == 0); |
| bool supported_padding = is_same_padding || is_valid_padding; |
| |
| return supported_datatype && supported_strides && supported_padding; |
| } |
| |
| void NEDepthwiseConvolutionLayer3x3Kernel::generate_convolver() |
| { |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(_input, 1, DataType::F32); |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(_input, _weights); |
| ARM_COMPUTE_ERROR_ON(_weights->info()->dimension(1) != 3 || _weights->info()->dimension(2) != 3); |
| |
| _convolver = create_convolver_object(_conv_info, _weights, _input, _output, true); |
| } |
| |
| void NEDepthwiseConvolutionLayer3x3Kernel::configure_generic() |
| { |
| ARM_COMPUTE_ERROR_ON(_weights->info()->dimension(0) != 3 || _weights->info()->dimension(1) != 3); |
| |
| // Get convolved dimensions |
| const TensorShape output_shape = compute_depthwise_convolution_shape(*_input->info(), *_weights->info(), _conv_info); |
| const DataType output_dt = (_input->info()->data_type() == DataType::QASYMM8) ? DataType::S32 : _input->info()->data_type(); |
| |
| // Output auto inizialitation if not yet initialized |
| auto_init_if_empty(*_output->info(), |
| _input->info()->clone()->set_is_resizable(true).reset_padding().set_tensor_shape(output_shape).set_data_type(output_dt)); |
| |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_DIMENSIONS(_output->info()->tensor_shape(), output_shape); |
| |
| const unsigned int conv_stride_x = _conv_info.stride().first; |
| const unsigned int conv_stride_y = _conv_info.stride().second; |
| const unsigned int conv_pad_top = _conv_info.pad_top(); |
| const unsigned int conv_pad_right = _conv_info.pad_right(); |
| const unsigned int conv_pad_bottom = _conv_info.pad_bottom(); |
| const unsigned int conv_pad_left = _conv_info.pad_left(); |
| |
| ARM_COMPUTE_ERROR_ON(conv_stride_x < 1 || conv_stride_x > 3); |
| |
| unsigned int num_elems_read_per_iteration = 0; |
| switch(_input->info()->data_type()) |
| { |
| case DataType::QASYMM8: |
| num_elems_read_per_iteration = 16; |
| _num_elems_written_per_iteration = 16 >> conv_stride_x; |
| break; |
| case DataType::F32: |
| num_elems_read_per_iteration = 12; |
| _num_elems_written_per_iteration = 16 >> conv_stride_x; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Data type not supported."); |
| } |
| _border_size = BorderSize(conv_pad_top, conv_pad_right, conv_pad_bottom, conv_pad_left); |
| |
| // Configure kernel window |
| Window win = calculate_max_window(*_output->info(), Steps(_num_elems_written_per_iteration)); |
| |
| AccessWindowRectangle input_access(_input->info(), -conv_pad_left, -conv_pad_top, |
| num_elems_read_per_iteration, 3, |
| conv_stride_x, conv_stride_y); |
| AccessWindowStatic weights_access(_weights->info(), 0, 0, 3, 3); |
| AccessWindowHorizontal output_access(_output->info(), 0, _num_elems_written_per_iteration); |
| |
| update_window_and_padding(win, input_access, weights_access, output_access); |
| output_access.set_valid_region(win, ValidRegion(Coordinates(), _output->info()->tensor_shape())); |
| |
| INEKernel::configure(win); |
| } |
| |
| void NEDepthwiseConvolutionLayer3x3Kernel::configure_optimized() |
| { |
| ARM_COMPUTE_ERROR_ON(_weights->info()->dimension(1) != 3 || _weights->info()->dimension(2) != 3); |
| |
| _border_size = BorderSize(0, 0); |
| _convolver = create_convolver_object(_conv_info, _weights, _input, _output); |
| |
| // Auto-configure output |
| bool same_padding = _conv_info.has_padding(); |
| TensorShape output_shape{ _input->info()->tensor_shape() }; |
| |
| output_shape.set(1, _convolver->output_size(output_shape.y(), same_padding)); // Set width |
| output_shape.set(2, _convolver->output_size(output_shape.z(), same_padding)); // Set height |
| |
| // Output auto inizialitation if not yet initialized |
| auto_init_if_empty(*_output->info(), |
| _input->info()->clone()->set_is_resizable(true).reset_padding().set_tensor_shape(output_shape)); |
| |
| // Set padding in channels |
| const int num_channels = _weights->info()->dimension(0); |
| if((num_channels >= 128) && (num_channels % 16 == 0)) |
| { |
| _input->info()->extend_padding(PaddingSize(0, 4, 0, 0)); |
| _weights->info()->extend_padding(PaddingSize(0, 4, 0, 0)); |
| _output->info()->extend_padding(PaddingSize(0, 4, 0, 0)); |
| } |
| |
| // Configure window |
| Window win; |
| auto win_last = _convolver->get_window(); |
| win.set(Window::DimX, Window::Dimension(0, win_last, 1)); |
| INEKernel::configure(win); |
| } |
| |
| void NEDepthwiseConvolutionLayer3x3Kernel::run_generic(const Window &window, const ThreadInfo &info) |
| { |
| ARM_COMPUTE_UNUSED(info); |
| |
| switch(_input->info()->data_type()) |
| { |
| case DataType::F32: |
| convolve_3x3<float, float>(window, _num_elems_written_per_iteration, _input, _weights, _output, _conv_info); |
| break; |
| case DataType::QASYMM8: |
| convolve_3x3<uint8_t, int32_t>(window, _num_elems_written_per_iteration, _input, _weights, _output, _conv_info); |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Not implemented"); |
| } |
| } |
| |
| void NEDepthwiseConvolutionLayer3x3Kernel::run_optimized(const Window &window, const ThreadInfo &info) |
| { |
| ARM_COMPUTE_UNUSED(info); |
| ARM_COMPUTE_ERROR_ON(!_convolver); |
| |
| const size_t start = window.x().start(); |
| const size_t end = window.x().end(); |
| _convolver->run(start, end); |
| } |
| |
| std::unique_ptr<depthwise::IDepthwiseConvolution> NEDepthwiseConvolutionLayer3x3Kernel::create_convolver_object(PadStrideInfo conv_info, |
| const ITensor *w, |
| const ITensor *in, |
| ITensor *out, |
| bool setup_strides) |
| { |
| const TensorShape shape = in->info()->tensor_shape(); |
| const int in_rows = shape.z(); |
| const int in_cols = shape.y(); |
| const int n_batches = shape[3]; |
| const int n_channels = shape.x(); |
| const bool padding_same = conv_info.has_padding(); |
| const int weight_col_stride = (setup_strides) ? w->info()->strides_in_bytes().y() / w->info()->element_size() : 0; |
| const int weight_row_stride = (setup_strides) ? w->info()->strides_in_bytes().z() / w->info()->element_size() : 0; |
| const int input_col_stride = (setup_strides) ? in->info()->strides_in_bytes().y() / in->info()->element_size() : 0; |
| const int input_row_stride = (setup_strides) ? in->info()->strides_in_bytes().z() / in->info()->element_size() : 0; |
| const int input_batch_stride = (setup_strides) ? in->info()->strides_in_bytes()[3] / in->info()->element_size() : 0; |
| const int output_col_stride = (setup_strides) ? out->info()->strides_in_bytes().y() / out->info()->element_size() : 0; |
| const int output_row_stride = (setup_strides) ? out->info()->strides_in_bytes().z() / out->info()->element_size() : 0; |
| const int output_batch_stride = (setup_strides) ? out->info()->strides_in_bytes()[3] / out->info()->element_size() : 0; |
| |
| const auto stride_x = conv_info.stride().first; |
| switch(stride_x) |
| { |
| case 1: |
| return arm_compute::support::cpp14::make_unique<DepthwiseConvolution<4, 4, 3, 3, 1, 1, float, float>>( |
| n_batches, |
| in_rows, |
| in_cols, |
| n_channels, |
| padding_same, |
| reinterpret_cast<const float *>(w->ptr_to_element(Coordinates())), |
| reinterpret_cast<float *>(in->ptr_to_element(Coordinates())), |
| reinterpret_cast<float *>(out->ptr_to_element(Coordinates())), |
| weight_col_stride, weight_row_stride, |
| input_col_stride, input_row_stride, input_batch_stride, |
| output_col_stride, output_row_stride, output_batch_stride); |
| case 2: |
| return arm_compute::support::cpp14::make_unique<DepthwiseConvolution<3, 3, 3, 3, 2, 2, float, float>>( |
| n_batches, |
| in_rows, |
| in_cols, |
| n_channels, |
| padding_same, |
| reinterpret_cast<const float *>(w->ptr_to_element(Coordinates())), |
| reinterpret_cast<float *>(in->ptr_to_element(Coordinates())), |
| reinterpret_cast<float *>(out->ptr_to_element(Coordinates())), |
| weight_col_stride, weight_row_stride, |
| input_col_stride, input_row_stride, input_batch_stride, |
| output_col_stride, output_row_stride, output_batch_stride); |
| default: |
| return nullptr; |
| } |
| } |