diff options
Diffstat (limited to 'src/core/NEON/kernels/NEMedian3x3Kernel.cpp')
| -rw-r--r-- | src/core/NEON/kernels/NEMedian3x3Kernel.cpp | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/src/core/NEON/kernels/NEMedian3x3Kernel.cpp b/src/core/NEON/kernels/NEMedian3x3Kernel.cpp deleted file mode 100644 index 9dc1bc9a36..0000000000 --- a/src/core/NEON/kernels/NEMedian3x3Kernel.cpp +++ /dev/null @@ -1,135 +0,0 @@ -/* - * Copyright (c) 2016-2019 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/NEMedian3x3Kernel.h" - -#include "arm_compute/core/Coordinates.h" -#include "arm_compute/core/Helpers.h" -#include "arm_compute/core/IAccessWindow.h" -#include "arm_compute/core/ITensor.h" -#include "arm_compute/core/NEON/INEKernel.h" -#include "arm_compute/core/Validate.h" - -#include <arm_neon.h> -#include <utility> - -using namespace arm_compute; - -namespace -{ -inline void sort(uint8x8_t &a, uint8x8_t &b) -{ - const uint8x8_t min = vmin_u8(a, b); - const uint8x8_t max = vmax_u8(a, b); - a = min; - b = max; -} -} // namespace - -BorderSize NEMedian3x3Kernel::border_size() const -{ - return BorderSize(1); -} - -void NEMedian3x3Kernel::configure(const ITensor *input, ITensor *output, bool border_undefined) -{ - _input = input; - _output = output; - - // Configure kernel window - 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; - - 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); - - update_window_and_padding(win, - AccessWindowRectangle(input->info(), -border_size().left, -border_size().top, num_elems_read_per_iteration, num_rows_read_per_iteration), - output_access); - - output_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); - - INEKernel::configure(win); -} - -void NEMedian3x3Kernel::run(const Window &window, const ThreadInfo &info) -{ - ARM_COMPUTE_UNUSED(info); - ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); - ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INESimpleKernel::window(), window); - - const unsigned char *input_bot_ptr = _input->ptr_to_element(Coordinates(-1, -1)); - const unsigned char *input_mid_ptr = _input->ptr_to_element(Coordinates(-1, 0)); - const unsigned char *input_top_ptr = _input->ptr_to_element(Coordinates(-1, +1)); - - Iterator input(_input, window); - Iterator output(_output, window); - - execute_window_loop(window, [&](const Coordinates &) - { - const uint8x16_t top_data = vld1q_u8(input_top_ptr + input.offset()); - const uint8x16_t mid_data = vld1q_u8(input_mid_ptr + input.offset()); - const uint8x16_t bot_data = vld1q_u8(input_bot_ptr + input.offset()); - - uint8x8_t p0 = vget_low_u8(top_data); - uint8x8_t p1 = vext_u8(vget_low_u8(top_data), vget_high_u8(top_data), 1); - uint8x8_t p2 = vext_u8(vget_low_u8(top_data), vget_high_u8(top_data), 2); - uint8x8_t p3 = vget_low_u8(mid_data); - uint8x8_t p4 = vext_u8(vget_low_u8(mid_data), vget_high_u8(mid_data), 1); - uint8x8_t p5 = vext_u8(vget_low_u8(mid_data), vget_high_u8(mid_data), 2); - uint8x8_t p6 = vget_low_u8(bot_data); - uint8x8_t p7 = vext_u8(vget_low_u8(bot_data), vget_high_u8(bot_data), 1); - uint8x8_t p8 = vext_u8(vget_low_u8(bot_data), vget_high_u8(bot_data), 2); - - sort(p1, p2); - sort(p4, p5); - sort(p7, p8); - - sort(p0, p1); - sort(p3, p4); - sort(p6, p7); - - sort(p1, p2); - sort(p4, p5); - sort(p7, p8); - - sort(p0, p3); - sort(p5, p8); - sort(p4, p7); - - sort(p3, p6); - sort(p1, p4); - sort(p2, p5); - - sort(p4, p7); - sort(p4, p2); - sort(p6, p4); - - sort(p4, p2); - - vst1_u8(output.ptr(), p4); - }, - input, output); -} |