| /* |
| * Copyright (c) 2020 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. |
| */ |
| #ifndef SRC_COMPUTE_SCHEDULER_UTILS_H |
| #define SRC_COMPUTE_SCHEDULER_UTILS_H |
| |
| #include <cstddef> |
| #include <utility> |
| |
| namespace arm_compute |
| { |
| namespace scheduler_utils |
| { |
| /** Given two dimensions and a maximum number of threads to utilise, calculate the best |
| * combination of threads that fit in (multiplied together) max_threads. |
| * |
| * This algorithm assumes that work in either of the dimensions is equally difficult |
| * to compute |
| * |
| * @returns [m_nthreads, n_nthreads] A pair of the threads that should be used in each dimension |
| */ |
| std::pair<unsigned, unsigned> split_2d(unsigned max_threads, std::size_t m, std::size_t n); |
| } // namespace scheduler_utils |
| } // namespace arm_compute |
| #endif /* SRC_COMPUTE_SCHEDULER_UTILS_H */ |