In C++ 11 you can use std::chrono::system_clock::now()
Example (copied from en.cppreference.com):
#include <iostream> #include <chrono> #include <ctime> int main() { auto start = std::chrono::system_clock::now(); // Some computation here auto end = std::chrono::system_clock::now(); std::chrono::duration<double> elapsed_seconds = end-start; std::time_t end_time = std::chrono::system_clock::to_time_t(end); std::cout << "finished computation at " << std::ctime(&end_time) << "elapsed time: " << elapsed_seconds.count() << "s\n"; }
This should print something like this:
finished computation at Mon Oct 2 00:59:08 2017 elapsed time: 1.88232s
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