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Diffstat (limited to 'src/core/NEON/kernels/scale/impl/NEON/integer.cpp')
| -rw-r--r-- | src/core/NEON/kernels/scale/impl/NEON/integer.cpp | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/scale/impl/NEON/integer.cpp b/src/core/NEON/kernels/scale/impl/NEON/integer.cpp new file mode 100644 index 0000000000..a2359aac94 --- /dev/null +++ b/src/core/NEON/kernels/scale/impl/NEON/integer.cpp @@ -0,0 +1,293 @@ +/* + * Copyright (c) 2021 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/Helpers.h" +#include "arm_compute/core/ITensorPack.h" +#include "arm_compute/core/Window.h" +#include "src/core/NEON/NEMath.h" +#include "src/core/NEON/wrapper/wrapper.h" +#include "src/core/helpers/ScaleHelpers.h" +#include "src/core/utils/ScaleUtils.h" +#include "support/Rounding.h" + +#include <arm_neon.h> +#include <cmath> +#include <cstddef> + +namespace arm_compute +{ +namespace +{ +void u8_neon_scale_nearest(const ITensor *src, ITensor *dst, const ITensor *offsets, + float sampling_offset, bool align_corners, const Window &window) +{ + const size_t in_stride_c = src->info()->dimension(0) + src->info()->padding().left + src->info()->padding().right; + const size_t in_stride_w = src->info()->dimension(1) + src->info()->padding().top + src->info()->padding().bottom; + const size_t in_stride_wc = in_stride_w * in_stride_c; + const size_t in_dim_h = src->info()->dimension(2); + + // Compute the ratio between source height and destination height + const auto hr = scale_utils::calculate_resize_ratio(in_dim_h, dst->info()->dimension(2), align_corners); + const auto window_start_x = static_cast<int32_t>(window.x().start()); + const auto window_end_x = static_cast<int32_t>(window.x().end()); + const int window_step_x = 16; + + Window win(window); + win.set(Window::DimX, Window::Dimension(0, 1, 1)); + Iterator out(dst, win); + + const uint8_t *in_ptr_start = src->buffer() + src->info()->offset_first_element_in_bytes(); + const unsigned int in_stride_bytes_hwc = src->info()->strides_in_bytes()[3]; + + execute_window_loop(win, [&](const Coordinates & id) + { + const int32_t offset = *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z()))) * in_stride_c; + const auto in_hi = static_cast<int>(align_corners ? utils::rounding::round_half_away_from_zero((id.z() + sampling_offset) * hr) : std::floor((id.z() + sampling_offset) * hr)); + const int offset_row = in_hi * in_stride_wc; + int32_t x = window_start_x; + const uint8_t *in_ptr = reinterpret_cast<const uint8_t *>(in_ptr_start + in_stride_bytes_hwc * id[3]); + + for(; x <= window_end_x - window_step_x; x += window_step_x) + { + wrapper::vstore(reinterpret_cast<uint8_t *>(out.ptr()) + x, + wrapper::vloadq(in_ptr + offset + offset_row + x)); + } + for(; x < window_end_x; ++x) + { + *(reinterpret_cast<uint8_t *>(out.ptr()) + x) = *(in_ptr + offset + offset_row + x); + } + }, + out); +} + +void u8_neon_scale_bilinear(const ITensor *src, ITensor *dst, const ITensor *offsets, const ITensor *dx, const ITensor *dy, + BorderMode border_mode, PixelValue constant_border_value, float sampling_offset, + bool align_corners, const Window &window) +{ + // Compute the ratio between source height and destination height + const auto hr = scale_utils::calculate_resize_ratio(src->info()->dimension(2), dst->info()->dimension(2), align_corners); + + Iterator out(dst, window); + const int in_stride_c = src->info()->dimension(0) + src->info()->padding().left + src->info()->padding().right; + const int in_dim_w = src->info()->dimension(1); + const int in_dim_h = src->info()->dimension(2); + const int in_stride_wc = in_stride_c * (in_dim_w + src->info()->padding().top + src->info()->padding().bottom); + + // Don't increment in Y and Z direction for the input tensor + // A pointer to the start of this plane is needed as base for the precomputed offsets + Window win_in(window); + win_in.set(Window::DimY, Window::Dimension(0, 0, 0)); + win_in.set(Window::DimZ, Window::Dimension(0, 0, 0)); + Iterator in(src, win_in); + + if(border_mode == BorderMode::CONSTANT) + { + const uint8_t const_border_value = static_cast<uint8_t>(constant_border_value.get<uint8_t>()); + execute_window_loop(window, [&](const Coordinates & id) + { + const auto offset = *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z()))); + const auto dx_val = *reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id.y(), id.z()))); + const auto dy_val = *reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id.y(), id.z()))); + const int32_t in_hi = std::floor((id.z() + sampling_offset) * hr - sampling_offset); + const uint8_t *in_ptr = reinterpret_cast<const uint8_t *>(in.ptr()) + offset * in_stride_c + in_hi * in_stride_wc; + + const auto a00 = (0 <= offset && offset < in_dim_w && 0 <= in_hi && in_hi < in_dim_h) ? *in_ptr : const_border_value; + const auto a01 = (-1 <= offset && offset < in_dim_w - 1 && 0 <= in_hi && in_hi < in_dim_h) ? *(in_ptr + in_stride_c) : const_border_value; + const auto a10 = (0 <= offset && offset < in_dim_w && -1 <= in_hi && in_hi < in_dim_h - 1) ? *(in_ptr + in_stride_wc) : const_border_value; + const auto a11 = (-1 <= offset && offset < in_dim_w - 1 && -1 <= in_hi && in_hi < in_dim_h - 1) ? *(in_ptr + in_stride_c + in_stride_wc) : const_border_value; + + *reinterpret_cast<uint8_t *>(out.ptr()) = static_cast<uint8_t>(scale_helpers::delta_bilinear(a00, a01, a10, a11, dx_val, dy_val)); + }, + in, out); + } + else if(border_mode == BorderMode::REPLICATE) + { + execute_window_loop(window, [&](const Coordinates & id) + { + const auto offset = *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z()))); + const auto dx_val = *reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id.y(), id.z()))); + const auto dy_val = *reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id.y(), id.z()))); + const int in_hi = std::floor((id.z() + sampling_offset) * hr - sampling_offset); + + auto clamped_w = utility::clamp<int>(offset, 0, in_dim_w - 1); + auto clamped_w1 = utility::clamp<int>(offset + 1, 0, in_dim_w - 1); + auto clamped_h = utility::clamp<int>(in_hi, 0, in_dim_h - 1); + auto clamped_h1 = utility::clamp<int>(in_hi + 1, 0, in_dim_h - 1); + + const auto a00 = *(reinterpret_cast<const uint8_t *>(in.ptr()) + clamped_w * in_stride_c + clamped_h * in_stride_wc); + const auto a01 = *(reinterpret_cast<const uint8_t *>(in.ptr()) + clamped_w1 * in_stride_c + clamped_h * in_stride_wc); + const auto a10 = *(reinterpret_cast<const uint8_t *>(in.ptr()) + clamped_w * in_stride_c + clamped_h1 * in_stride_wc); + const auto a11 = *(reinterpret_cast<const uint8_t *>(in.ptr()) + clamped_w1 * in_stride_c + clamped_h1 * in_stride_wc); + + *reinterpret_cast<uint8_t *>(out.ptr()) = static_cast<uint8_t>(scale_helpers::delta_bilinear(a00, a01, a10, a11, dx_val, dy_val)); + }, + in, out); + } + else + { + ARM_COMPUTE_ERROR("Not implemented"); + } +} + +void s16_neon_scale_nearest(const ITensor *src, ITensor *dst, const ITensor *offsets, + float sampling_offset, bool align_corners, const Window &window) +{ + const size_t in_stride_c = src->info()->dimension(0) + src->info()->padding().left + src->info()->padding().right; + const size_t in_stride_w = src->info()->dimension(1) + src->info()->padding().top + src->info()->padding().bottom; + const size_t in_stride_wc = in_stride_w * in_stride_c; + const size_t in_dim_h = src->info()->dimension(2); + + // Compute the ratio between source height and destination height + const auto hr = scale_utils::calculate_resize_ratio(in_dim_h, dst->info()->dimension(2), align_corners); + const auto window_start_x = static_cast<int32_t>(window.x().start()); + const auto window_end_x = static_cast<int32_t>(window.x().end()); + const int window_step_x = 8; + + Window win(window); + win.set(Window::DimX, Window::Dimension(0, 1, 1)); + Iterator out(dst, win); + + const uint8_t *in_ptr_start = src->buffer() + src->info()->offset_first_element_in_bytes(); + const unsigned int in_stride_bytes_hwc = src->info()->strides_in_bytes()[3]; + + execute_window_loop(win, [&](const Coordinates & id) + { + const int32_t offset = *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z()))) * in_stride_c; + const auto in_hi = static_cast<int>(align_corners ? utils::rounding::round_half_away_from_zero((id.z() + sampling_offset) * hr) : std::floor((id.z() + sampling_offset) * hr)); + const int offset_row = in_hi * in_stride_wc; + int32_t x = window_start_x; + const int16_t *in_ptr = reinterpret_cast<const int16_t *>(in_ptr_start + in_stride_bytes_hwc * id[3]); + + for(; x <= window_end_x - window_step_x; x += window_step_x) + { + wrapper::vstore(reinterpret_cast<int16_t *>(out.ptr()) + x, + wrapper::vloadq(in_ptr + offset + offset_row + x)); + } + for(; x < window_end_x; ++x) + { + *(reinterpret_cast<int16_t *>(out.ptr()) + x) = *(in_ptr + offset + offset_row + x); + } + }, + out); +} + +void s16_neon_scale_bilinear(const ITensor *src, ITensor *dst, const ITensor *offsets, const ITensor *dx, const ITensor *dy, + BorderMode border_mode, PixelValue constant_border_value, float sampling_offset, + bool align_corners, const Window &window) +{ + // Compute the ratio between source height and destination height + const auto hr = scale_utils::calculate_resize_ratio(src->info()->dimension(2), dst->info()->dimension(2), align_corners); + + Iterator out(dst, window); + const int in_stride_c = src->info()->dimension(0) + src->info()->padding().left + src->info()->padding().right; + const int in_dim_w = src->info()->dimension(1); + const int in_dim_h = src->info()->dimension(2); + const int in_stride_wc = in_stride_c * (in_dim_w + src->info()->padding().top + src->info()->padding().bottom); + + // Don't increment in Y and Z direction for the input tensor + // A pointer to the start of this plane is needed as base for the precomputed offsets + Window win_in(window); + win_in.set(Window::DimY, Window::Dimension(0, 0, 0)); + win_in.set(Window::DimZ, Window::Dimension(0, 0, 0)); + Iterator in(src, win_in); + + if(border_mode == BorderMode::CONSTANT) + { + const int16_t const_border_value = static_cast<int16_t>(constant_border_value.get<int16_t>()); + execute_window_loop(window, [&](const Coordinates & id) + { + const auto offset = *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z()))); + const auto dx_val = *reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id.y(), id.z()))); + const auto dy_val = *reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id.y(), id.z()))); + const int32_t in_hi = std::floor((id.z() + sampling_offset) * hr - sampling_offset); + const int16_t *in_ptr = reinterpret_cast<const int16_t *>(in.ptr()) + offset * in_stride_c + in_hi * in_stride_wc; + + const auto a00 = (0 <= offset && offset < in_dim_w && 0 <= in_hi && in_hi < in_dim_h) ? *in_ptr : const_border_value; + const auto a01 = (-1 <= offset && offset < in_dim_w - 1 && 0 <= in_hi && in_hi < in_dim_h) ? *(in_ptr + in_stride_c) : const_border_value; + const auto a10 = (0 <= offset && offset < in_dim_w && -1 <= in_hi && in_hi < in_dim_h - 1) ? *(in_ptr + in_stride_wc) : const_border_value; + const auto a11 = (-1 <= offset && offset < in_dim_w - 1 && -1 <= in_hi && in_hi < in_dim_h - 1) ? *(in_ptr + in_stride_c + in_stride_wc) : const_border_value; + + *reinterpret_cast<int16_t *>(out.ptr()) = static_cast<int16_t>(scale_helpers::delta_bilinear(a00, a01, a10, a11, dx_val, dy_val)); + }, + in, out); + } + else if(border_mode == BorderMode::REPLICATE) + { + execute_window_loop(window, [&](const Coordinates & id) + { + const auto offset = *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z()))); + const auto dx_val = *reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id.y(), id.z()))); + const auto dy_val = *reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id.y(), id.z()))); + const int in_hi = std::floor((id.z() + sampling_offset) * hr - sampling_offset); + + auto clamped_w = utility::clamp<int>(offset, 0, in_dim_w - 1); + auto clamped_w1 = utility::clamp<int>(offset + 1, 0, in_dim_w - 1); + auto clamped_h = utility::clamp<int>(in_hi, 0, in_dim_h - 1); + auto clamped_h1 = utility::clamp<int>(in_hi + 1, 0, in_dim_h - 1); + + const auto a00 = *(reinterpret_cast<const int16_t *>(in.ptr()) + clamped_w * in_stride_c + clamped_h * in_stride_wc); + const auto a01 = *(reinterpret_cast<const int16_t *>(in.ptr()) + clamped_w1 * in_stride_c + clamped_h * in_stride_wc); + const auto a10 = *(reinterpret_cast<const int16_t *>(in.ptr()) + clamped_w * in_stride_c + clamped_h1 * in_stride_wc); + const auto a11 = *(reinterpret_cast<const int16_t *>(in.ptr()) + clamped_w1 * in_stride_c + clamped_h1 * in_stride_wc); + + *reinterpret_cast<int16_t *>(out.ptr()) = static_cast<int16_t>(scale_helpers::delta_bilinear(a00, a01, a10, a11, dx_val, dy_val)); + }, + in, out); + } + else + { + ARM_COMPUTE_ERROR("Not implemented"); + } +} +} +namespace cpu +{ +void u8_neon_scale(const ITensor *src, ITensor *dst, const ITensor *offsets, const ITensor *dx, const ITensor *dy, + InterpolationPolicy policy, BorderMode border_mode, PixelValue constant_border_value, float sampling_offset, + bool align_corners, const Window &window) +{ + if(policy == InterpolationPolicy::BILINEAR) + { + u8_neon_scale_bilinear(src, dst, offsets, dx, dy, border_mode, constant_border_value, sampling_offset, align_corners, window); + } + else if(policy == InterpolationPolicy::NEAREST_NEIGHBOR) + { + u8_neon_scale_nearest(src, dst, offsets, sampling_offset, align_corners, window); + } +} + +void s16_neon_scale(const ITensor *src, ITensor *dst, const ITensor *offsets, const ITensor *dx, const ITensor *dy, + InterpolationPolicy policy, BorderMode border_mode, PixelValue constant_border_value, float sampling_offset, + bool align_corners, const Window &window) +{ + if(policy == InterpolationPolicy::BILINEAR) + { + s16_neon_scale_bilinear(src, dst, offsets, dx, dy, border_mode, constant_border_value, sampling_offset, align_corners, window); + } + else if(policy == InterpolationPolicy::NEAREST_NEIGHBOR) + { + s16_neon_scale_nearest(src, dst, offsets, sampling_offset, align_corners, window); + } +} +} // namespace cpu +} // namespace arm_compute
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