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Composable Kernel: /home/docs/checkouts/readthedocs.org/user_builds/advanced-micro-devices-composable-kernel/checkouts/develop/include/ck/library/utility/thread.hpp Source File
thread.hpp
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1 // SPDX-License-Identifier: MIT
2 // Copyright (c) 2025, Advanced Micro Devices, Inc. All rights reserved.
3 
4 #pragma once
5 
6 #ifdef __linux__
7 #include <sched.h>
8 #endif
9 #include <thread>
10 namespace ck {
11 inline unsigned int get_available_cpu_cores()
12 {
13 #if defined(__linux__)
14  cpu_set_t cpu_set;
15  if(sched_getaffinity(0, sizeof(cpu_set_t), &cpu_set) == 0)
16  {
17  unsigned int cpu_count = CPU_COUNT(&cpu_set);
18  if(cpu_count > 0)
19  return cpu_count;
20  }
21 #endif
22  // Fallback if sched_getaffinity unavailable or fails
23  return std::thread::hardware_concurrency();
24 }
25 } // namespace ck
ck
Definition: ck.hpp:268
ck::get_available_cpu_cores
unsigned int get_available_cpu_cores()
Definition: thread.hpp:11