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Diffstat (limited to 'src/core/NEON/kernels/NESobel7x7Kernel.cpp')
| -rw-r--r-- | src/core/NEON/kernels/NESobel7x7Kernel.cpp | 524 |
1 files changed, 0 insertions, 524 deletions
diff --git a/src/core/NEON/kernels/NESobel7x7Kernel.cpp b/src/core/NEON/kernels/NESobel7x7Kernel.cpp deleted file mode 100644 index 835b333a10..0000000000 --- a/src/core/NEON/kernels/NESobel7x7Kernel.cpp +++ /dev/null @@ -1,524 +0,0 @@ -/* - * Copyright (c) 2016-2020 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 "src/core/NEON/kernels/NESobel7x7Kernel.h" - -#include "arm_compute/core/Error.h" -#include "arm_compute/core/Helpers.h" -#include "arm_compute/core/ITensor.h" -#include "arm_compute/core/TensorInfo.h" -#include "arm_compute/core/Types.h" -#include "arm_compute/core/Utils.h" -#include "arm_compute/core/Validate.h" -#include "src/core/helpers/AutoConfiguration.h" -#include "src/core/helpers/WindowHelpers.h" - -#include <arm_neon.h> -#include <cstdint> - -using namespace arm_compute; - -namespace arm_compute -{ -class Coordinates; -} // namespace arm_compute - -namespace -{ -const int32x4_t minusfour = vdupq_n_s32(-4); -const int32x4_t minusfive = vdupq_n_s32(-5); -const int32x4_t four = vdupq_n_s32(4); -const int32x4_t five = vdupq_n_s32(5); -const int32x4_t six = vdupq_n_s32(6); -const int32x4_t fifteen = vdupq_n_s32(15); -const int32x4_t twenty = vdupq_n_s32(20); - -inline int32x4x2_t compute_hor_sobel_x(const int32x4x4_t &data) -{ - int32x4x2_t out = - { - { - vnegq_s32(data.val[0]), - vnegq_s32(data.val[1]) - } - }; - - out.val[0] = vmlaq_s32(out.val[0], - vextq_s32(data.val[0], data.val[1], 1), minusfour); - - out.val[0] = vmlaq_s32(out.val[0], - vextq_s32(data.val[0], data.val[1], 2), minusfive); - - out.val[0] = vmlaq_s32(out.val[0], data.val[1], five); - - out.val[0] = vmlaq_s32(out.val[0], - vextq_s32(data.val[1], data.val[2], 1), four); - - out.val[0] = vaddq_s32(out.val[0], - vextq_s32(data.val[1], data.val[2], 2)); - - out.val[1] = vmlaq_s32(out.val[1], - vextq_s32(data.val[1], data.val[2], 1), minusfour); - - out.val[1] = vmlaq_s32(out.val[1], - vextq_s32(data.val[1], data.val[2], 2), minusfive); - - out.val[1] = vmlaq_s32(out.val[1], data.val[2], five); - - out.val[1] = vmlaq_s32(out.val[1], - vextq_s32(data.val[2], data.val[3], 1), four); - - out.val[1] = vaddq_s32(out.val[1], - vextq_s32(data.val[2], data.val[3], 2)); - - return out; -} - -inline int32x4x2_t compute_hor_sobel_y(const int32x4x4_t &data) -{ - int32x4x2_t out = - { - { - data.val[0], - data.val[1] - } - }; - - out.val[0] = vmlaq_s32(out.val[0], - vextq_s32(data.val[0], data.val[1], 1), six); - - out.val[0] = vmlaq_s32(out.val[0], - vextq_s32(data.val[0], data.val[1], 2), fifteen); - - out.val[0] = vmlaq_s32(out.val[0], - vextq_s32(data.val[0], data.val[1], 3), twenty); - - out.val[0] = vmlaq_s32(out.val[0], data.val[1], fifteen); - - out.val[0] = vmlaq_s32(out.val[0], - vextq_s32(data.val[1], data.val[2], 1), six); - - out.val[0] = vaddq_s32(out.val[0], - vextq_s32(data.val[1], data.val[2], 2)); - - out.val[1] = vmlaq_s32(out.val[1], - vextq_s32(data.val[1], data.val[2], 1), six); - - out.val[1] = vmlaq_s32(out.val[1], - vextq_s32(data.val[1], data.val[2], 2), fifteen); - - out.val[1] = vmlaq_s32(out.val[1], - vextq_s32(data.val[1], data.val[2], 3), twenty); - - out.val[1] = vmlaq_s32(out.val[1], data.val[2], fifteen); - - out.val[1] = vmlaq_s32(out.val[1], - vextq_s32(data.val[2], data.val[3], 1), six); - - out.val[1] = vaddq_s32(out.val[1], - vextq_s32(data.val[2], data.val[3], 2)); - - return out; -} -} // namespace - -NESobel7x7HorKernel::NESobel7x7HorKernel() - : _input(nullptr), _output_x(nullptr), _output_y(nullptr), _run_sobel_x(false), _run_sobel_y(false), _border_size(0) -{ -} - -BorderSize NESobel7x7HorKernel::border_size() const -{ - return _border_size; -} - -void NESobel7x7HorKernel::configure(const ITensor *input, ITensor *output_x, ITensor *output_y, bool border_undefined) -{ - ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN(input, Format::U8); - ARM_COMPUTE_ERROR_ON((output_x == nullptr) && (output_y == nullptr)); - - _run_sobel_x = output_x != nullptr; - _run_sobel_y = output_y != nullptr; - - if(_run_sobel_x) - { - ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN(output_x, Format::S32); - } - - if(_run_sobel_y) - { - ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN(output_y, Format::S32); - } - - _input = input; - _output_x = output_x; - _output_y = output_y; - _border_size = BorderSize(border_undefined ? 0 : 3, 3); - - // 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; - - Window win = calculate_max_window_horizontal(*input->info(), Steps(num_elems_processed_per_iteration), border_undefined, border_size()); - AccessWindowHorizontal output_x_access(output_x == nullptr ? nullptr : output_x->info(), 0, num_elems_written_per_iteration); - AccessWindowHorizontal output_y_access(output_y == nullptr ? nullptr : output_y->info(), 0, num_elems_written_per_iteration); - - update_window_and_padding(win, - AccessWindowHorizontal(input->info(), -border_size().left, num_elems_read_per_iteration), - output_x_access, - output_y_access); - - output_x_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); - output_y_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); - - INEKernel::configure(win); -} - -void NESobel7x7HorKernel::run(const Window &window, const ThreadInfo &info) -{ - ARM_COMPUTE_UNUSED(info); - ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); - ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); - - Iterator input(_input, window); - Iterator output_x; - Iterator output_y; - - if(_run_sobel_x) - { - output_x = Iterator(_output_x, window); - } - - if(_run_sobel_y) - { - output_y = Iterator(_output_y, window); - } - - if(_run_sobel_y && _run_sobel_x) - { - execute_window_loop(window, [&](const Coordinates &) - { - const uint8x16_t data = vld1q_u8(input.ptr() - 3); - - const uint16x8_t tmp_low_u16 = vmovl_u8(vget_low_u8(data)); - const uint16x8_t tmp_high_u16 = vmovl_u8(vget_high_u8(data)); - - const int32x4x4_t data_s32 = - { - { - vreinterpretq_s32_u32(vmovl_u16(vget_low_u16(tmp_low_u16))), - vreinterpretq_s32_u32(vmovl_u16(vget_high_u16(tmp_low_u16))), - vreinterpretq_s32_u32(vmovl_u16(vget_low_u16(tmp_high_u16))), - vreinterpretq_s32_u32(vmovl_u16(vget_high_u16(tmp_high_u16))) - } - }; - - const int32x4x2_t out_y = compute_hor_sobel_y(data_s32); - vst1q_s32(reinterpret_cast<int32_t *>(output_y.ptr()), out_y.val[0]); - vst1q_s32(reinterpret_cast<int32_t *>(output_y.ptr()) + 4, out_y.val[1]); - - const int32x4x2_t out_x = compute_hor_sobel_x(data_s32); - vst1q_s32(reinterpret_cast<int32_t *>(output_x.ptr()), out_x.val[0]); - vst1q_s32(reinterpret_cast<int32_t *>(output_x.ptr()) + 4, out_x.val[1]); - }, - input, output_x, output_y); - } - else if(_run_sobel_x) - { - execute_window_loop(window, [&](const Coordinates &) - { - const uint8x16_t data = vld1q_u8(input.ptr() - 3); - - const uint16x8_t tmp_low_u16 = vmovl_u8(vget_low_u8(data)); - const uint16x8_t tmp_high_u16 = vmovl_u8(vget_high_u8(data)); - - const int32x4x4_t data_s32 = - { - { - vreinterpretq_s32_u32(vmovl_u16(vget_low_u16(tmp_low_u16))), - vreinterpretq_s32_u32(vmovl_u16(vget_high_u16(tmp_low_u16))), - vreinterpretq_s32_u32(vmovl_u16(vget_low_u16(tmp_high_u16))), - vreinterpretq_s32_u32(vmovl_u16(vget_high_u16(tmp_high_u16))) - } - }; - - const int32x4x2_t out = compute_hor_sobel_x(data_s32); - vst1q_s32(reinterpret_cast<int32_t *>(output_x.ptr()), out.val[0]); - vst1q_s32(reinterpret_cast<int32_t *>(output_x.ptr()) + 4, out.val[1]); - }, - input, output_x); - } - else if(_run_sobel_y) - { - execute_window_loop(window, [&](const Coordinates &) - { - const uint8x16_t data = vld1q_u8(input.ptr() - 3); - - const uint16x8_t tmp_low_u16 = vmovl_u8(vget_low_u8(data)); - const uint16x8_t tmp_high_u16 = vmovl_u8(vget_high_u8(data)); - - const int32x4x4_t data_s32 = - { - { - vreinterpretq_s32_u32(vmovl_u16(vget_low_u16(tmp_low_u16))), - vreinterpretq_s32_u32(vmovl_u16(vget_high_u16(tmp_low_u16))), - vreinterpretq_s32_u32(vmovl_u16(vget_low_u16(tmp_high_u16))), - vreinterpretq_s32_u32(vmovl_u16(vget_high_u16(tmp_high_u16))) - } - }; - - const int32x4x2_t out = compute_hor_sobel_y(data_s32); - vst1q_s32(reinterpret_cast<int32_t *>(output_y.ptr()), out.val[0]); - vst1q_s32(reinterpret_cast<int32_t *>(output_y.ptr()) + 4, out.val[1]); - }, - input, output_y); - } -} - -NESobel7x7VertKernel::NESobel7x7VertKernel() - : _input_x(nullptr), _input_y(nullptr), _output_x(nullptr), _output_y(nullptr), _run_sobel_x(false), _run_sobel_y(false) -{ -} - -BorderSize NESobel7x7VertKernel::border_size() const -{ - return BorderSize{ 3, 0 }; -} - -void NESobel7x7VertKernel::configure(const ITensor *input_x, const ITensor *input_y, ITensor *output_x, ITensor *output_y, bool border_undefined) -{ - ARM_COMPUTE_ERROR_ON((output_x == nullptr) && (output_y == nullptr)); - - _run_sobel_x = (output_x != nullptr); - _run_sobel_y = (output_y != nullptr); - - if(_run_sobel_x) - { - ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN(input_x, Format::S32); - ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN(output_x, Format::S32); - } - - if(_run_sobel_y) - { - ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN(input_y, Format::S32); - ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN(output_y, Format::S32); - } - - _input_x = input_x; - _input_y = input_y; - _output_x = output_x; - _output_y = output_y; - - const ITensor *const input = _run_sobel_x ? input_x : input_y; - - // Configure kernel window - constexpr unsigned int num_elems_processed_per_iteration = 8; - constexpr unsigned int num_elems_read_per_iteration = 8; - constexpr unsigned int num_elems_written_per_iteration = 8; - constexpr unsigned int num_rows_read_per_iteration = 7; - - Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration), border_undefined, border_size()); - AccessWindowHorizontal output_x_access(output_x == nullptr ? nullptr : output_x->info(), 0, num_elems_written_per_iteration); - AccessWindowHorizontal output_y_access(output_y == nullptr ? nullptr : output_y->info(), 0, num_elems_written_per_iteration); - - update_window_and_padding(win, - AccessWindowRectangle(input_x == nullptr ? nullptr : input_x->info(), 0, -border_size().top, num_elems_read_per_iteration, num_rows_read_per_iteration), - AccessWindowRectangle(input_y == nullptr ? nullptr : input_y->info(), 0, -border_size().top, num_elems_read_per_iteration, num_rows_read_per_iteration), - output_x_access, - output_y_access); - - output_x_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); - output_y_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); - - INEKernel::configure(win); -} - -void NESobel7x7VertKernel::run(const Window &window, const ThreadInfo &info) -{ - ARM_COMPUTE_UNUSED(info); - ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); - ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); - - Iterator input_x; - Iterator input_y; - Iterator output_x; - Iterator output_y; - - int32_t in_x_stride = 0; - int32_t in_y_stride = 0; - - if(_run_sobel_x) - { - input_x = Iterator(_input_x, window); - output_x = Iterator(_output_x, window); - in_x_stride = _input_x->info()->strides_in_bytes()[1] / pixel_size_from_format(_input_x->info()->format()); - } - - if(_run_sobel_y) - { - input_y = Iterator(_input_y, window); - output_y = Iterator(_output_y, window); - in_y_stride = _input_y->info()->strides_in_bytes()[1] / pixel_size_from_format(_input_y->info()->format()); - } - - if(_run_sobel_x) - { - execute_window_loop(window, [&](const Coordinates &) - { - auto in_ptr = reinterpret_cast<int32_t *>(input_x.ptr()) - 3 * in_x_stride; - - //top3 - int32x4x2_t data = - { - { - vld1q_s32(in_ptr), - vld1q_s32(in_ptr + 4) - } - }; - - int32x4x2_t out = data; - - //top2 - in_ptr += in_x_stride; - data.val[0] = vld1q_s32(in_ptr); - out.val[0] = vmlaq_s32(out.val[0], data.val[0], six); - - data.val[1] = vld1q_s32(in_ptr + 4); - out.val[1] = vmlaq_s32(out.val[1], data.val[1], six); - - //top - in_ptr += in_x_stride; - data.val[0] = vld1q_s32(in_ptr); - out.val[0] = vmlaq_s32(out.val[0], data.val[0], fifteen); - - data.val[1] = vld1q_s32(in_ptr + 4); - out.val[1] = vmlaq_s32(out.val[1], data.val[1], fifteen); - - //mid - in_ptr += in_x_stride; - data.val[0] = vld1q_s32(in_ptr); - out.val[0] = vmlaq_s32(out.val[0], data.val[0], twenty); - - data.val[1] = vld1q_s32(in_ptr + 4); - out.val[1] = vmlaq_s32(out.val[1], data.val[1], twenty); - - //low - in_ptr += in_x_stride; - data.val[0] = vld1q_s32(in_ptr); - out.val[0] = vmlaq_s32(out.val[0], data.val[0], fifteen); - - data.val[1] = vld1q_s32(in_ptr + 4); - out.val[1] = vmlaq_s32(out.val[1], data.val[1], fifteen); - - //low2 - in_ptr += in_x_stride; - data.val[0] = vld1q_s32(in_ptr); - out.val[0] = vmlaq_s32(out.val[0], data.val[0], six); - - data.val[1] = vld1q_s32(in_ptr + 4); - out.val[1] = vmlaq_s32(out.val[1], data.val[1], six); - - //low3 - in_ptr += in_x_stride; - data.val[0] = vld1q_s32(in_ptr); - out.val[0] = vaddq_s32(out.val[0], data.val[0]); - - data.val[1] = vld1q_s32(in_ptr + 4); - out.val[1] = vaddq_s32(out.val[1], data.val[1]); - - vst1q_s32(reinterpret_cast<int32_t *>(output_x.ptr()) + 0, out.val[0]); - vst1q_s32(reinterpret_cast<int32_t *>(output_x.ptr()) + 4, out.val[1]); - }, - input_x, output_x); - } - - if(_run_sobel_y) - { - execute_window_loop(window, [&](const Coordinates &) - { - auto in_ptr = reinterpret_cast<int32_t *>(input_y.ptr()) - 3 * in_y_stride; - - //top3 - int32x4x2_t data = - { - { - vld1q_s32(in_ptr), - vld1q_s32(in_ptr + 4) - } - }; - - int32x4x2_t out = - { - { - vnegq_s32(data.val[0]), - vnegq_s32(data.val[1]) - } - }; - - //top2 - in_ptr += in_y_stride; - data.val[0] = vld1q_s32(in_ptr); - out.val[0] = vmlaq_s32(out.val[0], data.val[0], minusfour); - - data.val[1] = vld1q_s32(in_ptr + 4); - out.val[1] = vmlaq_s32(out.val[1], data.val[1], minusfour); - - //top - in_ptr += in_y_stride; - data.val[0] = vld1q_s32(in_ptr); - out.val[0] = vmlaq_s32(out.val[0], data.val[0], minusfive); - - data.val[1] = vld1q_s32(in_ptr + 4); - out.val[1] = vmlaq_s32(out.val[1], data.val[1], minusfive); - - //low - in_ptr += (2 * in_y_stride); - data.val[0] = vld1q_s32(in_ptr); - out.val[0] = vmlaq_s32(out.val[0], data.val[0], five); - - data.val[1] = vld1q_s32(in_ptr + 4); - out.val[1] = vmlaq_s32(out.val[1], data.val[1], five); - - //low2 - in_ptr += in_y_stride; - data.val[0] = vld1q_s32(in_ptr); - out.val[0] = vmlaq_s32(out.val[0], data.val[0], four); - - data.val[1] = vld1q_s32(in_ptr + 4); - out.val[1] = vmlaq_s32(out.val[1], data.val[1], four); - - //low3 - in_ptr += in_y_stride; - data.val[0] = vld1q_s32(in_ptr); - out.val[0] = vaddq_s32(out.val[0], data.val[0]); - - data.val[1] = vld1q_s32(in_ptr + 4); - out.val[1] = vaddq_s32(out.val[1], data.val[1]); - - vst1q_s32(reinterpret_cast<int32_t *>(output_y.ptr()) + 0, out.val[0]); - vst1q_s32(reinterpret_cast<int32_t *>(output_y.ptr()) + 4, out.val[1]); - }, - input_y, output_y); - } -} |