c++ measure time
//***C++11 Style:***
#include <chrono>
std::chrono::steady_clock::time_point begin = std::chrono::steady_clock::now();
std::chrono::steady_clock::time_point end = std::chrono::steady_clock::now();
std::cout << "Time difference = " << std::chrono::duration_cast<std::chrono::microseconds>(end - begin).count() << "[µs]" << std::endl;
std::cout << "Time difference = " << std::chrono::duration_cast<std::chrono::nanoseconds> (end - begin).count() << "[ns]" << std::endl;c++ execution time
int main()
{
time_t start, end;
time(&start); // start time
// {your code goes here}
time(&end); // end time
double time_taken = double(end - start); // calulate diffrence
std::cout << " duration: " << time_taken << " s \n";
}c++ get time
#include <chrono>
// Get the time since epoch (realtime clock), in milliseconds
int64_t getCurrentMSinceEpoch()
{
return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
}
// Get the time since started, in milliseconds
// Better for time difference because it's faster than system_clock
int64_t getTimeMS()
{
return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::steady_clock::now().time_since_epoch()).count();
}c++ execution time
#include <chrono>
using namespace std::chrono;
auto start = high_resolution_clock::now();
// code
auto stop = high_resolution_clock::now();Copyright © 2021 Codeinu
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