Check your C++ code performance (speed time)

timer.cpp

#include <iostream>
#include <chrono>

class Timer
{
public:
	Timer()
	{
		m_StartTimePoint = std::chrono::high_resolution_clock::now();
	}
	~Timer()
	{
		Stop();
	}
	void Stop()
	{
		auto endTimePoint = std::chrono::high_resolution_clock::now();
		auto start = std::chrono::time_point_cast<std::chrono::microseconds>(m_StartTimePoint).time_since_epoch().count();
		auto stop = std::chrono::time_point_cast<std::chrono::microseconds>(endTimePoint).time_since_epoch().count();
		auto duration = stop - start;
		double ms = duration * 0.001;
		std::cout << duration << "us (" << ms << "ms)\n";
	}
private:
	std::chrono::time_point<std::chrono::high_resolution_clock> m_StartTimePoint;
};

// Example of code
`int main()
{
{
Timer timer;
int value = 0;
for(unsigned i = 0; i < 100000; ++i) value += i;
}

return 0;

}`