| /* |
| * 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/common/Validate.h" |
| #include "src/core/helpers/ScaleHelpers.h" |
| #include "src/core/utils/ScaleUtils.h" |
| #include "support/Rounding.h" |
| |
| #include <cmath> |
| #include <cstddef> |
| |
| #if defined(__ARM_FEATURE_SVE) |
| #include <arm_sve.h> |
| |
| namespace arm_compute |
| { |
| namespace |
| { |
| void fp32_sve_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()); |
| |
| 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; |
| const auto in_ptr = reinterpret_cast<const float *>(in_ptr_start + in_stride_bytes_hwc * id[3]); |
| const auto out_ptr = reinterpret_cast<float *>(out.ptr()); |
| |
| // Compute S elements per iteration |
| int x = window_start_x; |
| svbool_t pg = svwhilelt_b32(x, window_end_x); |
| do |
| { |
| // Store results |
| svst1_f32(pg, out_ptr + x, svld1_f32(pg, in_ptr + offset + offset_row + x)); |
| |
| x += svcntw(); |
| pg = svwhilelt_b32(x, window_end_x); |
| } |
| while(svptest_any(svptrue_b32(), pg)); |
| }, |
| out); |
| } |
| |
| void fp32_sve_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 float const_border_value = static_cast<float>(constant_border_value.get<float>()); |
| 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 float *in_ptr = reinterpret_cast<const float *>(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<float *>(out.ptr()) = static_cast<float>(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 float *>(in.ptr()) + clamped_w * in_stride_c + clamped_h * in_stride_wc); |
| const auto a01 = *(reinterpret_cast<const float *>(in.ptr()) + clamped_w1 * in_stride_c + clamped_h * in_stride_wc); |
| const auto a10 = *(reinterpret_cast<const float *>(in.ptr()) + clamped_w * in_stride_c + clamped_h1 * in_stride_wc); |
| const auto a11 = *(reinterpret_cast<const float *>(in.ptr()) + clamped_w1 * in_stride_c + clamped_h1 * in_stride_wc); |
| |
| *reinterpret_cast<float *>(out.ptr()) = static_cast<float>(scale_helpers::delta_bilinear(a00, a01, a10, a11, dx_val, dy_val)); |
| }, |
| in, out); |
| } |
| else |
| { |
| ARM_COMPUTE_ERROR("Not implemented"); |
| } |
| } |
| } |
| namespace cpu |
| { |
| void fp32_sve_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) |
| { |
| fp32_sve_scale_bilinear(src, dst, offsets, dx, dy, border_mode, constant_border_value, sampling_offset, align_corners, window); |
| } |
| else if(policy == InterpolationPolicy::NEAREST_NEIGHBOR) |
| { |
| fp32_sve_scale_nearest(src, dst, offsets, sampling_offset, align_corners, window); |
| } |
| } |
| } // namespace cpu |
| } // namespace arm_compute |
| |
| #endif // __ARM_FEATURE_SVE |