Click here to Skip to main content
Click here to Skip to main content
 
Add your own
alternative version

High performance computing from C++ to MMX

, 30 Jul 2003
Boosting you application performance to the optimum by using hardware acceleration.
// Elapsed.h: interface for the CElapsed class.
//
// CElapsed class wraps up windows queryperformancecounter functionalities
// Provides microseconds timing accuracy.
//
//////////////////////////////////////////////////////////////////////

#if !defined(DEF_ELAPSED)
#define DEF_ELAPSED

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class CElapsed
{
public:
	CElapsed();
	virtual ~CElapsed();

	BOOL Begin();    // start timing
	double End();
	BOOL Available();
	__int64 GetFreq();

	double m_dElapsed;
private :
    int m_iInitialized;
    __int64 m_iFrequency;
    __int64 m_iBeginTime;

};

#endif

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

Share

About the Author

Vincent Leong77
Web Developer Cortex Imaging
Malaysia Malaysia
Interest in computer vision, biometrics, image processing & software optimizations. Known language C/C++, VC++ MFC, Win32, COM/ATL, Assembly.

| Advertise | Privacy | Terms of Use | Mobile
Web03 | 2.8.141216.1 | Last Updated 31 Jul 2003
Article Copyright 2003 by Vincent Leong77
Everything else Copyright © CodeProject, 1999-2014
Layout: fixed | fluid