| /* |
| * 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 "src/cpu/kernels/range/generic/neon/impl.h" |
| |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "src/core/NEON/wrapper/wrapper.h" |
| #include "src/core/common/Registrars.h" |
| |
| namespace arm_compute |
| { |
| namespace cpu |
| { |
| template <typename T> |
| void neon_range_function(ITensor *output, float start, float step, const Window &window) |
| { |
| /** SIMD vector tag type. */ |
| using ExactTagType = typename wrapper::traits::neon_bitvector<T, wrapper::traits::BitWidth::W128>::tag_type; |
| |
| const auto step_vec = wrapper::vdup_n(static_cast<T>(step), ExactTagType{}); |
| const auto start_vec = wrapper::vdup_n(static_cast<T>(start), ExactTagType{}); |
| auto id_vec = wrapper::vdup_n(static_cast<T>(0.f), ExactTagType{}); |
| |
| const auto window_start_x = static_cast<int>(window.x().start()); |
| const auto window_end_x = static_cast<int>(window.x().end()); |
| const int window_step_x = 16 / sizeof(T); |
| |
| Window win{ window }; |
| win.set(Window::DimX, Window::Dimension(0, 1, 1)); |
| Iterator output_it(output, win); |
| |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| int x = window_start_x; |
| const auto out_ptr = reinterpret_cast<T *>(output_it.ptr()); |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| for(int count = 0; count < window_step_x; ++count) |
| { |
| id_vec = wrapper::vsetlane(static_cast<T>(x + count), id_vec, count); |
| } |
| |
| // start + step * id |
| const auto res_vec = wrapper::vmla(start_vec, id_vec, step_vec); |
| wrapper::vstore(out_ptr + x, res_vec); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| const auto res = start + x * step; |
| *(out_ptr + x) = res; |
| } |
| |
| }, |
| output_it); |
| } |
| |
| template void neon_range_function<uint8_t>(ITensor *output, float start, float step, const Window &window); |
| template void neon_range_function<uint16_t>(ITensor *output, float start, float step, const Window &window); |
| template void neon_range_function<uint32_t>(ITensor *output, float start, float step, const Window &window); |
| template void neon_range_function<int8_t>(ITensor *output, float start, float step, const Window &window); |
| template void neon_range_function<int16_t>(ITensor *output, float start, float step, const Window &window); |
| template void neon_range_function<int32_t>(ITensor *output, float start, float step, const Window &window); |
| template void neon_range_function<float32_t>(ITensor *output, float start, float step, const Window &window); |
| |
| #if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS) |
| template void neon_range_function<float16_t>(ITensor *output, float start, float step, const Window &window); |
| #endif /* defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS) */ |
| |
| } // namespace cpu |
| } // namespace arm_compute |