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32 lines
785 B
32 lines
785 B
#pragma once
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#include <pthread.h>
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#ifdef __FreeBSD__
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#include <pthread_np.h>
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#endif
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#include <sched.h>
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#include <set>
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#include <unordered_map>
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#include <vector>
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class CPU
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{
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public:
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typedef std::vector<pthread_t> ThreadIdVec;
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typedef std::vector<int> CPUVec;
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typedef std::unordered_map<int,int> CPU2CoreMap;
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typedef std::unordered_map<int,std::set<int>> Core2CPUsMap;
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public:
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static int count();
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static int getaffinity(cpu_set_t *cpuset);
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static int setaffinity(const pthread_t thread_id, cpu_set_t *cpuset);
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static int setaffinity(const pthread_t thread_id, const int cpu);
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static int setaffinity(const pthread_t thread_id, const std::set<int> cpus);
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static CPU::CPUVec cpus();
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static CPU::CPU2CoreMap cpu2core();
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static CPU::Core2CPUsMap core2cpus();
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};
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