C++ - A nice example measuring funtion execution time with C++11
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| #include <iostream>
#include <chrono>
template<typename TimeT = std::chrono::milliseconds>
struct measure
{
template<typename F, typename ...Args>
static typename TimeT::rep execution(F&& func, Args&&... args)
{
auto start = std::chrono::system_clock::now();
std::forward<decltype(func)>(func)(std::forward<Args>(args)...);
auto duration = std::chrono::duration_cast< TimeT>
(std::chrono::system_clock::now() - start);
return duration.count();
}
};
int main() {
std::cout << measure<>::execution(functor(dummy)) << std::endl;
}
|