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Visual C++

afProfiler.h：源码内容

							#ifndef AF_PROFILE
#define AF_PROFILE
#include "afList.h"
#include "afString.h"
#include <windows.h>
/// afProfiler provides precise profiling methods
/**
 *  afProfiler uses the processors VERY HIGH PRECISSION
 *  timer functions, which are precise enough to bench
 *  even single assembler commands...
 */
class afProfiler
{
public:
	afProfiler(const char* nName);
	~afProfiler();
	void beginSection();
	void endSection();
	static void logResult();
protected:
	static bool globalBegin();
	static bool globalEnd();
	int				listIndex;
	LARGE_INTEGER	beginTime;
	struct ProfileInfo
	{
	public:
		afString		name;
		LARGE_INTEGER	time;	
	};
	friend bool operator==(const ProfileInfo&, const ProfileInfo&) 
	{  return false;  }
	static afList<ProfileInfo>	timerList;
	static LARGE_INTEGER		globalBeginTime;
};
inline void afProfiler::beginSection()
{
	QueryPerformanceCounter(&beginTime);
}
inline void
afProfiler::endSection()
{
	LARGE_INTEGER&	time = timerList.getAt(listIndex).time;
	LARGE_INTEGER	tmpTime;
	QueryPerformanceCounter(&tmpTime);
	time.QuadPart += tmpTime.QuadPart - beginTime.QuadPart;
}
#endif 

						