C++使用chrono获取时间差 #include<iostream>#include<chrono>intmain(){autostart = std::chrono::high_resolution_clock::now();intres =1;for(inti=0; i<100000; i++){ res++; }autoend = std::chrono::high_resolution_clock::now(); std::chrono::duration<double, std::milli> tm = end - st...
C++11std标准库chrono获取系统时间戳微秒级精度系统时间操作 1 #include <chrono> 2using namespace std;3 4int main()5 { 6// 获取操作系统当前时间点（精确到微秒）7 chrono::time_point<chrono::system_clock, chrono::microseconds> tpMicro 8 = chrono::time_point_cast<chrono::microseconds>(...
auto end = std::chrono::high_resolution_clock::now(); std::chrono::duration<double, std::milli> tm = end - start; // 毫秒 // std::chrono::duration<double, std::micro> tm = end - start; 微秒 std::cout << "time: " << tm.count() << "ms" << std::endl; return 0; } ...
autoend=std::chrono::high_resolution_clock::now(); std::chrono::duration<double,std::milli>tm=end-start;// 毫秒 // std::chrono::duration<double, std::micro> tm = end - start; 微秒 std::cout<<"time: "<<tm.count()<<"ms"<<std::endl; return0; } 1. 2. 3. 4. 5. 6. 7...