| /* |
| * Copyright (c) 2019-2022 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 "src/cpu/kernels/genproposals/generic/neon/impl.h" |
| namespace arm_compute |
| { |
| class ITensor; |
| class Window; |
| namespace cpu |
| { |
| template <typename T> |
| void compute_all_anchors(const ITensor *anchors, ITensor *all_anchors, ComputeAnchorsInfo anchors_info, const Window &window) |
| { |
| Iterator all_anchors_it(all_anchors, window); |
| Iterator anchors_it(all_anchors, window); |
| |
| const size_t num_anchors = anchors->info()->dimension(1); |
| const T stride = 1.f / anchors_info.spatial_scale(); |
| const size_t feat_width = anchors_info.feat_width(); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const size_t anchor_offset = id.y() % num_anchors; |
| |
| const auto out_anchor_ptr = reinterpret_cast<T *>(all_anchors_it.ptr()); |
| const auto anchor_ptr = reinterpret_cast<T *>(anchors->ptr_to_element(Coordinates(0, anchor_offset))); |
| |
| const size_t shift_idy = id.y() / num_anchors; |
| const T shiftx = (shift_idy % feat_width) * stride; |
| const T shifty = (shift_idy / feat_width) * stride; |
| |
| *out_anchor_ptr = *anchor_ptr + shiftx; |
| *(out_anchor_ptr + 1) = *(1 + anchor_ptr) + shifty; |
| *(out_anchor_ptr + 2) = *(2 + anchor_ptr) + shiftx; |
| *(out_anchor_ptr + 3) = *(3 + anchor_ptr) + shifty; |
| }, |
| all_anchors_it); |
| } |
| |
| template void compute_all_anchors<float>(const ITensor *anchors, ITensor *all_anchors, ComputeAnchorsInfo anchors_info, const Window &window); |
| #if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS) |
| template void compute_all_anchors<float16_t>(const ITensor *anchors, ITensor *all_anchors, ComputeAnchorsInfo anchors_info, const Window &window); |
| #endif //defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS) |
| |
| void compute_all_anchors_qasymm16(const ITensor *anchors, ITensor *all_anchors, ComputeAnchorsInfo anchors_info, const Window &window) |
| { |
| Iterator all_anchors_it(all_anchors, window); |
| Iterator anchors_it(all_anchors, window); |
| |
| const size_t num_anchors = anchors->info()->dimension(1); |
| const float stride = 1.f / anchors_info.spatial_scale(); |
| const size_t feat_width = anchors_info.feat_width(); |
| |
| const UniformQuantizationInfo qinfo = anchors->info()->quantization_info().uniform(); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const size_t anchor_offset = id.y() % num_anchors; |
| |
| const auto out_anchor_ptr = reinterpret_cast<int16_t *>(all_anchors_it.ptr()); |
| const auto anchor_ptr = reinterpret_cast<int16_t *>(anchors->ptr_to_element(Coordinates(0, anchor_offset))); |
| |
| const size_t shift_idy = id.y() / num_anchors; |
| const float shiftx = (shift_idy % feat_width) * stride; |
| const float shifty = (shift_idy / feat_width) * stride; |
| |
| const float new_anchor_x1 = dequantize_qsymm16(*anchor_ptr, qinfo.scale) + shiftx; |
| const float new_anchor_y1 = dequantize_qsymm16(*(1 + anchor_ptr), qinfo.scale) + shifty; |
| const float new_anchor_x2 = dequantize_qsymm16(*(2 + anchor_ptr), qinfo.scale) + shiftx; |
| const float new_anchor_y2 = dequantize_qsymm16(*(3 + anchor_ptr), qinfo.scale) + shifty; |
| |
| *out_anchor_ptr = quantize_qsymm16(new_anchor_x1, qinfo.scale); |
| *(out_anchor_ptr + 1) = quantize_qsymm16(new_anchor_y1, qinfo.scale); |
| *(out_anchor_ptr + 2) = quantize_qsymm16(new_anchor_x2, qinfo.scale); |
| *(out_anchor_ptr + 3) = quantize_qsymm16(new_anchor_y2, qinfo.scale); |
| }, |
| all_anchors_it); |
| } |
| } // namespace cpu |
| } // namespace arm_compute |