#include<iostream>
#include<chrono>
using namespace std;
using namespace chrono;
int main()
{
auto start = system_clock::now();
//do your work
auto end = system_clock::now();
auto duration = duration_cast<microseconds>(end - start);
cout << (double)duration.count()*microseconds::period::num / microseconds::period::den<<endl;
system("pause");
return 0;
}
一个微妙级的时间计时框架
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转载自blog.csdn.net/chineseyjh/article/details/80517218
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