From 6ff3b19ee6120edf015fad8caab2991faa3070af Mon Sep 17 00:00:00 2001 From: Anthony Barbier Date: Mon, 4 Sep 2017 18:44:23 +0100 Subject: COMPMID-344 Updated doxygen Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae --- src/core/NEON/kernels/NEDilateKernel.cpp | 126 +++++++++++++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100644 src/core/NEON/kernels/NEDilateKernel.cpp (limited to 'src/core/NEON/kernels/NEDilateKernel.cpp') diff --git a/src/core/NEON/kernels/NEDilateKernel.cpp b/src/core/NEON/kernels/NEDilateKernel.cpp new file mode 100644 index 0000000000..867cf77c49 --- /dev/null +++ b/src/core/NEON/kernels/NEDilateKernel.cpp @@ -0,0 +1,126 @@ +/* + * Copyright (c) 2016, 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/NEDilateKernel.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/Validate.h" + +#include +#include +#include + +using namespace arm_compute; + +namespace arm_compute +{ +class Coordinates; +} // namespace arm_compute + +BorderSize NEDilateKernel::border_size() const +{ + return BorderSize(1); +} + +void NEDilateKernel::configure(const ITensor *input, ITensor *output, bool border_undefined) +{ + _input = input; + _output = output; + + constexpr unsigned int num_elems_processed_per_iteration = 8; + constexpr unsigned int num_elems_read_per_iteration = 16; + constexpr unsigned int num_elems_written_per_iteration = 8; + constexpr unsigned int num_rows_read_per_iteration = 3; + + // Configure kernel window + Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration), border_undefined, border_size()); + AccessWindowHorizontal output_access(output->info(), 0, num_elems_written_per_iteration); + AccessWindowRectangle input_access(input->info(), -border_size().left, -border_size().top, num_elems_read_per_iteration, num_rows_read_per_iteration); + + update_window_and_padding(win, input_access, output_access); + + output_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); + + INEKernel::configure(win); +} + +void NEDilateKernel::run(const Window &window) +{ + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INESimpleKernel::window(), window); + + Iterator in(_input, window); + Iterator out(_output, window); + + const size_t in_stride = _input->info()->strides_in_bytes()[1]; + + execute_window_loop(window, [&](const Coordinates &) + { + uint8_t *in_ptr = in.ptr() - 1; + const uint8x16_t top_data = vld1q_u8(in_ptr - in_stride); + const uint8x16_t mid_data = vld1q_u8(in_ptr); + const uint8x16_t bot_data = vld1q_u8(in_ptr + in_stride); + + uint8x8_t top_high_data = vget_high_u8(top_data); + uint8x8_t top_low_data = vget_low_u8(top_data); + + uint8x8_t mid_high_data = vget_high_u8(mid_data); + uint8x8_t mid_low_data = vget_low_u8(mid_data); + + uint8x8_t bot_high_data = vget_high_u8(bot_data); + uint8x8_t bot_low_data = vget_low_u8(bot_data); + + uint8x8_t p0, p1; + + p0 = top_low_data; + p1 = vext_u8(top_low_data, top_high_data, 1); + p0 = vmax_u8(p0, p1); + + p1 = vext_u8(top_low_data, top_high_data, 2); + p0 = vmax_u8(p0, p1); + + p1 = mid_low_data; + p0 = vmax_u8(p0, p1); + + p1 = vext_u8(mid_low_data, mid_high_data, 1); + p0 = vmax_u8(p0, p1); + + p1 = vext_u8(mid_low_data, mid_high_data, 2); + p0 = vmax_u8(p0, p1); + + p1 = bot_low_data; + p0 = vmax_u8(p0, p1); + + p1 = vext_u8(bot_low_data, bot_high_data, 1); + p0 = vmax_u8(p0, p1); + + p1 = vext_u8(bot_low_data, bot_high_data, 2); + p0 = vmax_u8(p0, p1); + + vst1_u8(out.ptr(), p0); + }, + in, out); +} -- cgit v1.2.1