RE: [GD-Windows] Performance timing

[Martin S. <ms...@he...>]

Just noticed that there is an article in Windows Developer Nwetowkr
magazine that discusses the different timer mechanisms available under
windows. It gives call costs and some other analysis. Maybe interesting.

@ http://www.windevnet.com/wdn/issues/2003/0305/pdf/wdn200305.zip


Martin

> -----Original Message-----
> From: gam...@li...
> [mailto:gam...@li...] On Behalf Of
Jon
> Watte
> Sent: Thursday, 12 February 2004 7:49 AM
> To: gam...@li...
> Subject: RE: [GD-Windows] Performance timing
> 
> 
> > As you can see, the delta is between 15-16ms. More than enough to
count
> time
> > between 60hz frames...
> 
> 
> How many frames are you talking about?
> 
> A single 60 Hz frame is 16 milliseconds. That's it. If you take
longer,
> it's
> not 60 Hz anymore.
> 
> I think we already agreed that, for timing over 100 or even 1000
frames,
> pretty much anything works (although you'll still be on the order of
1%
> off
> on GetTickCount()).
> 
> For timing over 10 frames, being off by a whole frame's worth is
pretty
> bad.
> 
> Cheers,
> 
> 				/ h+
> 
> 
> 
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