| /* |
| * 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/NEON/kernels/NEDepthConcatenateKernel.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/IAccessWindow.h" |
| #include "arm_compute/core/ITensor.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/Utils.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/core/Window.h" |
| |
| #include <arm_neon.h> |
| |
| using namespace arm_compute; |
| |
| NEDepthConcatenateKernel::NEDepthConcatenateKernel() |
| : _input(nullptr), _output(nullptr), _top_bottom(0), _left_right(0), _depth_offset(0) |
| { |
| } |
| |
| BorderSize NEDepthConcatenateKernel::border_size() const |
| { |
| return BorderSize(_top_bottom, _left_right); |
| } |
| |
| void NEDepthConcatenateKernel::configure(const ITensor *input, unsigned int depth_offset, ITensor *output) |
| { |
| 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(input->info()->dimension(2) + depth_offset > output->info()->dimension(2)); |
| ARM_COMPUTE_ERROR_ON(input->info()->dimension(0) > output->info()->dimension(0)); |
| ARM_COMPUTE_ERROR_ON(input->info()->dimension(1) > output->info()->dimension(1)); |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(3, input, output); |
| |
| // The gaps between the two lowest dimensions of input and output need to be divisible by 2 |
| // Otherwise it is not clear how the padding should be added onto the input tensor |
| ARM_COMPUTE_ERROR_ON((output->info()->dimension(0) - input->info()->dimension(0)) % 2); |
| ARM_COMPUTE_ERROR_ON((output->info()->dimension(1) - input->info()->dimension(1)) % 2); |
| |
| _input = input; |
| _output = output; |
| _depth_offset = depth_offset; |
| _left_right = (output->info()->dimension(0) - input->info()->dimension(0)) / 2; |
| _top_bottom = (output->info()->dimension(1) - input->info()->dimension(1)) / 2; |
| |
| const unsigned int num_elems_processed_per_iteration = 4; |
| const unsigned int num_elems_read_per_iteration = 4; |
| const unsigned int num_rows_read_per_iteration = 1; |
| |
| // The window needs to be based on input as we copy all the depths of input |
| Window win = calculate_max_enlarged_window(*input->info(), Steps(num_elems_processed_per_iteration), border_size()); |
| |
| AccessWindowRectangle input_access(input->info(), -_left_right, -_top_bottom, num_elems_read_per_iteration, num_rows_read_per_iteration); |
| AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration); |
| update_window_and_padding(win, input_access, output_access); |
| output_access.set_valid_region(win, ValidRegion(Coordinates(0, 0), output->info()->tensor_shape())); |
| |
| INEKernel::configure(win); |
| } |
| |
| void NEDepthConcatenateKernel::run(const Window &window) |
| { |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); |
| |
| // Offset output |
| const unsigned int offset_to_first_elements_in_bytes = _output->info()->offset_first_element_in_bytes() + _left_right * _output->info()->strides_in_bytes()[0] + _top_bottom * |
| _output->info()->strides_in_bytes()[1] + _depth_offset * _output->info()->strides_in_bytes()[2]; |
| uint8_t *output_ptr = _output->buffer() + offset_to_first_elements_in_bytes; |
| |
| Iterator input(_input, window); |
| Iterator output(_output, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const auto in_ptr = reinterpret_cast<const float *>(input.ptr()); |
| const auto out_ptr = reinterpret_cast<float *>(output_ptr + output.offset()); |
| |
| vst1q_f32(out_ptr, vld1q_f32(in_ptr)); |
| }, |
| input, output); |
| } |