我做得对吗?有时,我的程序会为计时解决方案打印 2000+,它总是为 CLOCKS_PER_SEC 打印 1000..
我实际计算的值是多少?是每秒时钟数吗?
#include <iostream>
#include <chrono>
#include <thread>
#include <ctime>
std::chrono::time_point<std::chrono::high_resolution_clock> SystemTime()
{
return std::chrono::high_resolution_clock::now();
}
std::uint32_t TimeDuration(std::chrono::time_point<std::chrono::high_resolution_clock> Time)
{
return std::chrono::duration_cast<std::chrono::nanoseconds>(SystemTime() - Time).count();
}
int main()
{
auto Begin = std::chrono::high_resolution_clock::now();
std::this_thread::sleep_for(std::chrono::milliseconds(1));
std::cout<< (TimeDuration(Begin) / 1000.0)<<std::endl;
std::cout<<CLOCKS_PER_SEC;
return 0;
}