/* * Copyright (c) 2018 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 __ARM_COMPUTE_RUNTIME_CPU_UTILS_H__ #define __ARM_COMPUTE_RUNTIME_CPU_UTILS_H__ namespace arm_compute { class CPUInfo; /** This function will try to detect the CPU configuration on the system and will fill * the cpuinfo object accordingly to reflect this. * * @param[out] cpuinfo @ref CPUInfo to be used to hold the system's cpu configuration. */ void get_cpu_configuration(CPUInfo &cpuinfo); /** Some systems have both big and small cores, this fuction computes the minimum number of cores * that are exactly the same on the system. To maximize performance the library attempts to process * workloads concurrently using as many threads as big cores are available on the system. * * @return The minumum number of common cores. */ unsigned int get_threads_hint(); } #endif /* __ARM_COMPUTE_RUNTIME_CPU_UTILS_H__ */