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timing a function

General and Gameplay Programming Programming

Started by 3dmodelerguy May 22, 2005 02:04 PM

3 comments, last by Catafriggm 18 years, 11 months ago

3dmodelerguy

169

Author

May 22, 2005 02:04 PM

I am looking for a way to time how long a set of function take to perform there actions. What is the best what of doing this?

nilkn

960

May 22, 2005 02:10 PM

Maybe check out the DevPartner profiler. It's free, and really good IMHO.

3dmodelerguy

169

Author

May 22, 2005 02:22 PM

is there something a little simple to inplement, like a function. i am using time() but is there something that give me like milli-seconds?

Drew_Benton

1,865

May 22, 2005 02:25 PM

Here's something for you to take a look at [wink]. It uses the most accurate timer avaliable on Windows.

Catafriggm

296

May 22, 2005 03:41 PM

void WINAPI GetCycleCount(ULARGE_INTEGER &ulCycleCount){     __asm      { 	push ecx        rdtsc         mov ecx, ulCycleCount         mov DWORD PTR[ecx], eax         mov DWORD PTR[ecx+4], edx 	pop ecx     } }

That gives you the CPU cycle counter. Should be accurate to within 20 cycles.

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timing a function

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