| /* |
| * Copyright (c) 2021-2022 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 <cmath> |
| #include <cstddef> |
| |
| #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); |
| } |
| } |
| 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) |
| { |
| ARM_COMPUTE_UNUSED(dx, dy, border_mode, constant_border_value); |
| if(policy == InterpolationPolicy::NEAREST_NEIGHBOR) |
| { |
| fp32_sve_scale_nearest(src, dst, offsets, sampling_offset, align_corners, window); |
| } |
| else |
| { |
| ARM_COMPUTE_ERROR("Not implemented"); |
| } |
| } |
| } // namespace cpu |
| } // namespace arm_compute |