C++ benchmark template

benchmark.cpp

#include <iostream>
#include <chrono>

using namespace std;

int main()
{
    chrono::steady_clock::time_point begin = chrono::steady_clock::now();

    // The code to benchmark goes here...

    chrono::steady_clock::time_point end = chrono::steady_clock::now();

    cout << "Time difference = " << chrono::duration_cast<std::chrono::seconds>(end - begin).count() << "[s]" << std::endl;
    cout << "Time difference = " << chrono::duration_cast<std::chrono::milliseconds>(end - begin).count() << "[ms]" << std::endl;
    cout << "Time difference = " << chrono::duration_cast<std::chrono::microseconds>(end - begin).count() << "[us]" << std::endl;
    cout << "Time difference = " << chrono::duration_cast<std::chrono::nanoseconds> (end - begin).count() << "[ns]" << std::endl;
}