diff options
Diffstat (limited to 'src/cpu/kernels/genproposals/generic/neon/impl.cpp')
| -rw-r--r-- | src/cpu/kernels/genproposals/generic/neon/impl.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/cpu/kernels/genproposals/generic/neon/impl.cpp b/src/cpu/kernels/genproposals/generic/neon/impl.cpp new file mode 100644 index 0000000000..824e85adac --- /dev/null +++ b/src/cpu/kernels/genproposals/generic/neon/impl.cpp @@ -0,0 +1,100 @@ +/* + * 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 |