diff options
Diffstat (limited to 'src/core/NEON/kernels/NEDerivativeKernel.cpp')
| -rw-r--r-- | src/core/NEON/kernels/NEDerivativeKernel.cpp | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/src/core/NEON/kernels/NEDerivativeKernel.cpp b/src/core/NEON/kernels/NEDerivativeKernel.cpp deleted file mode 100644 index 1d7237a5b4..0000000000 --- a/src/core/NEON/kernels/NEDerivativeKernel.cpp +++ /dev/null @@ -1,229 +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/NEDerivativeKernel.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/Validate.h" - -#include <arm_neon.h> -#include <cstddef> -#include <cstdint> - -using namespace arm_compute; - -namespace arm_compute -{ -class Coordinates; -} // namespace arm_compute - -NEDerivativeKernel::NEDerivativeKernel() - : _func(nullptr), _input(nullptr), _output_x(nullptr), _output_y(nullptr) -{ -} - -BorderSize NEDerivativeKernel::border_size() const -{ - return BorderSize(1); -} - -void NEDerivativeKernel::configure(const ITensor *input, ITensor *output_x, ITensor *output_y, bool border_undefined) -{ - ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); - ARM_COMPUTE_ERROR_ON((output_x == nullptr) && (output_y == nullptr)); - - const bool run_der_x = output_x != nullptr; - const bool run_der_y = output_y != nullptr; - - if(run_der_x) - { - ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_x, 1, DataType::S16); - } - - if(run_der_y) - { - ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_y, 1, DataType::S16); - } - - _input = input; - _output_x = output_x; - _output_y = output_y; - - constexpr unsigned int num_elems_processed_per_iteration = 16; - 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 out_x_access(output_x == nullptr ? nullptr : output_x->info(), 0, num_elems_processed_per_iteration); - AccessWindowHorizontal out_y_access(output_y == nullptr ? nullptr : output_y->info(), 0, num_elems_processed_per_iteration); - - // TODO(COMPMID-1503) Fix x-access input bug in NEON kernel instead of '+2' - AccessWindowHorizontal in_x_access(input->info(), -border_size().left, num_elems_processed_per_iteration + 2); - AccessWindowRectangle in_y_access(input->info(), 0, -border_size().left, num_elems_processed_per_iteration, num_rows_read_per_iteration); - - // TODO(COMPMID-1503) Fix x-access input bug in NEON kernel instead of '+2' - AccessWindowRectangle in_xy_access(input->info(), -border_size().left, -border_size().top, num_elems_processed_per_iteration + 2, num_rows_read_per_iteration); - - if(run_der_x && run_der_y) - { - _func = &NEDerivativeKernel::derivative_xy; - update_window_and_padding(win, in_xy_access, out_x_access, out_y_access); - out_y_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); - out_x_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); - } - else - { - if(run_der_x) - { - _func = &NEDerivativeKernel::derivative_x; - update_window_and_padding(win, in_x_access, out_x_access); - out_x_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); - } - else if(run_der_y) - { - _func = &NEDerivativeKernel::derivative_y; - update_window_and_padding(win, in_y_access, out_y_access); - out_y_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); - } - else - { - ARM_COMPUTE_ERROR("At least one output must be NOT NULL"); - } - } - - INEKernel::configure(win); -} - -void NEDerivativeKernel::derivative_x(const Window &window) -{ - Iterator in(_input, window); - Iterator out_x(_output_x, window); - - /* Apply 1-D centered point discrete derivative mask ([-1 0 1]) along the X direction */ - execute_window_loop(window, [&](const Coordinates &) - { - /* Load left and right data */ - const uint8x16_t l_data = vld1q_u8(in.ptr() - 1); - const uint8x16_t r_data = vld1q_u8(in.ptr() + 1); - - /* Cast to int16 and perform the subtraction between the right and left data */ - const int16x8_t out0 = vsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(r_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(l_data)))); - - /* Cast to int16 and perform the subtraction between the right and left data */ - const int16x8_t out1 = vsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(r_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(l_data)))); - - /* Store result of derivative along the X direction */ - vst1q_s16(reinterpret_cast<int16_t *>(out_x.ptr()), out0); - vst1q_s16(reinterpret_cast<int16_t *>(out_x.ptr()) + 8, out1); - }, - in, out_x); -} - -void NEDerivativeKernel::derivative_y(const Window &window) -{ - Iterator in(_input, window); - Iterator out_y(_output_y, window); - - const size_t stride = _input->info()->strides_in_bytes()[1]; - - /* Apply 1-D centered point discrete derivative mask ([-1 0 1]^T) along the Y direction */ - execute_window_loop(window, [&](const Coordinates &) - { - /* Load top and bottom data */ - const uint8x16_t t_data = vld1q_u8(in.ptr() - stride); - const uint8x16_t b_data = vld1q_u8(in.ptr() + stride); - - /* Cast to int16 and perform the subtraction between the bottom and top data */ - const int16x8_t out0 = vsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(b_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(t_data)))); - - /* Cast to int16 and perform the subtraction between the bottom and top data */ - const int16x8_t out1 = vsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(b_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(t_data)))); - - /* Store result of derivative along the Y direction */ - vst1q_s16(reinterpret_cast<int16_t *>(out_y.ptr()), out0); - vst1q_s16(reinterpret_cast<int16_t *>(out_y.ptr()) + 8, out1); - }, - in, out_y); -} - -void NEDerivativeKernel::derivative_xy(const Window &window) -{ - Iterator in(_input, window); - Iterator out_x(_output_x, window); - Iterator out_y(_output_y, window); - - const size_t stride = _input->info()->strides_in_bytes()[1]; - - /* Apply 1-D centered point discrete derivative masks ([-1 0 1] and [-1 0 1]^T) along the X and Y directions */ - execute_window_loop(window, [&](const Coordinates &) - { - /* Load top, bottom, left and right data */ - const uint8x16_t t_data = vld1q_u8(in.ptr() - stride); - const uint8x16_t b_data = vld1q_u8(in.ptr() + stride); - const uint8x16_t l_data = vld1q_u8(in.ptr() - 1); - const uint8x16_t r_data = vld1q_u8(in.ptr() + 1); - - /* Cast to int16 and perform the subtraction between the bottom and top data */ - const int16x8_t out0 = vsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(b_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(t_data)))); - - /* Cast to int16 and perform the subtraction between the bottom and top data */ - const int16x8_t out1 = vsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(b_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(t_data)))); - - /* Cast to int16 and perform the subtraction between the right and left data */ - const int16x8_t out2 = vsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(r_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(l_data)))); - - /* Cast to int16 and perform the subtraction between the right and left data */ - const int16x8_t out3 = vsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(r_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(l_data)))); - - /* Store result of derivative along the Y direction */ - vst1q_s16(reinterpret_cast<int16_t *>(out_y.ptr()), out0); - vst1q_s16(reinterpret_cast<int16_t *>(out_y.ptr()) + 8, out1); - - /* Store result of derivative along the X direction */ - vst1q_s16(reinterpret_cast<int16_t *>(out_x.ptr()), out2); - vst1q_s16(reinterpret_cast<int16_t *>(out_x.ptr()) + 8, out3); - }, - in, out_x, out_y); -} - -void NEDerivativeKernel::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); - ARM_COMPUTE_ERROR_ON(_func == nullptr); - - (this->*_func)(window); -} |