| /* |
| * Copyright (c) 2020, 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/core/utils/ScaleUtils.h" |
| #include "src/common/cpuinfo/CpuIsaInfo.h" |
| |
| #include "arm_compute/core/CPP/CPPTypes.h" |
| #include "arm_compute/core/TensorInfo.h" |
| |
| float arm_compute::scale_utils::calculate_resize_ratio(size_t input_size, size_t output_size, bool align_corners) |
| { |
| const size_t offset = (align_corners && output_size > 1) ? 1 : 0; |
| const auto in = input_size - offset; |
| const auto out = output_size - offset; |
| |
| ARM_COMPUTE_ERROR_ON((input_size == 0 || output_size == 0) && offset == 1); |
| ARM_COMPUTE_ERROR_ON(out == 0); |
| |
| return static_cast<float>(in) / static_cast<float>(out); |
| } |
| |
| bool arm_compute::scale_utils::is_precomputation_required(DataLayout data_layout, DataType data_type, |
| InterpolationPolicy policy, BorderMode border_mode) |
| { |
| // Do not calculate precomputed weights and indices if kernel code doesn't use them |
| if(data_layout == DataLayout::NHWC) |
| { |
| switch(data_type) |
| { |
| case DataType::F32: |
| case DataType::F16: |
| return (CPUInfo::get().get_isa().sve == true && policy == InterpolationPolicy::NEAREST_NEIGHBOR); |
| case DataType::U8: |
| case DataType::S8: |
| case DataType::QASYMM8: |
| case DataType::QASYMM8_SIGNED: |
| return (border_mode != BorderMode::REPLICATE) || (policy == InterpolationPolicy::NEAREST_NEIGHBOR); |
| default: |
| return true; |
| } |
| } |
| |
| return true; |
| } |