profiler.h

来自「this a Navier-Stokes equations solver. I」· C头文件 代码 · 共 30 行

#ifndef _PROFILER_H_
#define _PROFILER_H_

#include <windows.h>

class profiler
{
public:
	profiler()
	{
		QueryPerformanceFrequency(&freq);
	}
	
	void start()
	{
		QueryPerformanceCounter(&begin);
	}

	double get()
	{
		LARGE_INTEGER end;
		QueryPerformanceCounter(&end);
		return double(end.QuadPart - begin.QuadPart)/double(freq.QuadPart);
	}
private:
	LARGE_INTEGER freq, begin;
};

#endif