| /* |
| * Copyright (c) 2020-2021 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. |
| */ |
| #pragma once |
| |
| #include "arm_compute/core/Dimensions.h" |
| #include "arm_compute/core/Window.h" |
| |
| #include "ndrange.hpp" |
| |
| #include <cassert> |
| |
| /* This file contains mapping between integral types used in arm_compute and arm_gemm |
| * These two codebases both require a degree of separation for the sake of modularity |
| * so maintain their own types which represent similar information. |
| */ |
| |
| namespace arm_gemm |
| { |
| //we want to unify the maximum number of dimensions used beween arm_gemm and arm compute library |
| constexpr std::size_t ndrange_max = |
| arm_compute::Dimensions<unsigned int>::num_max_dimensions; |
| |
| using ndrange_t = NDRange<ndrange_max>; |
| using ndcoord_t = NDCoordinate<ndrange_max>; |
| |
| /* Converts an `arm_gemm::ndrange_t` to a `arm_compute::Window` |
| * |
| * As `NDRange<T>` does not not encode start positions, we specify |
| * the start to be zero in the produced `arm_compute::Window` |
| * |
| * @param [ndr] the `arm_gemm::ndrange_t` we wish to convert into a `arm_compute::Window` |
| * @returns an `arm_compute::Window` representing the same dimensional ranges as `ndr` |
| */ |
| inline arm_compute::Window to_window(const ndrange_t &ndr) |
| { |
| arm_compute::Window win; |
| |
| for(unsigned int i = 0; i != ndrange_max; ++i) |
| { |
| //populate the window with the dimensions of the NDRange |
| win.set(i, arm_compute::Window::Dimension(0, ndr.get_size(i))); |
| } |
| |
| return win; |
| } |
| |
| /* |
| * Converts an `arm_gemm::ndcoord_t` to a `arm_compute::Window` |
| * |
| * @param [ndc] the `arm_gemm::ndcoord_t` we wish to convert into a `arm_compute::Window` |
| * @returns an `arm_compute::Window` representing the same dimensional ranges as `ndc` |
| */ |
| inline arm_compute::Window to_window(const ndcoord_t &ndc) |
| { |
| arm_compute::Window win; |
| |
| for(unsigned int i = 0; i != ndrange_max; ++i) |
| { |
| const auto start = ndc.get_position(i); |
| const auto size = ndc.get_size(i); |
| const auto stop = start + size; |
| |
| //populate the window with the dimensions of the NDRange |
| win.set(i, arm_compute::Window::Dimension(start, stop)); |
| } |
| |
| return win; |
| } |
| |
| /** Convert an `arm_compute::Window` to an `arm_gemm::NDRange` of the same max dimensions |
| * |
| * It should be noted that `arm_compute::Window` specifies a `start()` and an `end()` |
| * where as `arm_gemm::ndrange_t` only has a size, as a result we store the delta between the range |
| * |
| * @param [win] the `arm_compute::Window` we want to convert to `arm_gemm::ndrange_t` |
| * @return the resultant ndrange_t |
| */ |
| inline ndrange_t to_ndrange(const arm_compute::Window &win) |
| { |
| return |
| { |
| static_cast<unsigned int>(win[0].end() - win[0].start()), |
| static_cast<unsigned int>(win[1].end() - win[1].start()), |
| static_cast<unsigned int>(win[2].end() - win[2].start()), |
| static_cast<unsigned int>(win[3].end() - win[3].start()), |
| static_cast<unsigned int>(win[4].end() - win[4].start()), |
| static_cast<unsigned int>(win[5].end() - win[5].start()) |
| }; |
| } |
| |
| /** Convert an `arm_compute::Window` to an `arm_gemm::NDCoord` of the same max dimensions |
| * |
| * @param [win] the `arm_compute::Window` we want to convert to `arm_gemm::ndcoord_t` |
| * @return the resultant ndcoord_t |
| */ |
| inline ndcoord_t to_ndcoord(const arm_compute::Window &win) |
| { |
| return |
| { |
| { static_cast<unsigned int>(win[0].start()), static_cast<unsigned int>(win[0].end() - win[0].start()) }, |
| { static_cast<unsigned int>(win[1].start()), static_cast<unsigned int>(win[1].end() - win[1].start()) }, |
| { static_cast<unsigned int>(win[2].start()), static_cast<unsigned int>(win[2].end() - win[2].start()) }, |
| { static_cast<unsigned int>(win[3].start()), static_cast<unsigned int>(win[3].end() - win[3].start()) }, |
| { static_cast<unsigned int>(win[4].start()), static_cast<unsigned int>(win[4].end() - win[4].start()) }, |
| { static_cast<unsigned int>(win[5].start()), static_cast<unsigned int>(win[5].end() - win[5].start()) } |
| }; |
| } |
| |
| } //namespace arm_gemm |