Re: pfLightSource and performance ?!

New Message Reply Date view Thread view Subject view Author view

Niels Hilbrink (Hilbrink++at++nlr.nl)
Wed, 07 May 1997 16:21:09 +0200


Mark Baranowski wrote:

> How are you measuring performance? If you are just looking at the
> framerate figure, you may find that for example your framerate has
> gone from 60Hz to 30Hz by just adding lightsources. If this is the
> case, your draw time was previously only just within the 1/60th second
> required for 60Hz update and the extra millisecond(s) required for the
> lightsources has just pushed you over.

Well you're right except that it went from a 'normal' 15-20 Hz to
approx. 7-8 Hz. According to the man pages the following values are valid :
20.0, 15.0, 12.0, 10.0, 8.57, 7.5, 6.67, and 6.0 so You'd expect a value of at
least 12 Hz right ?

Niels.

-- 
    Niels Hilbrink (RS NOP)     National Aerospace Laboratory (NLR)
    mailto:Hilbrink++at++nlr.nl      Voorsterweg  31,  8316 PR Marknesse
    (++31)(0)527 242259 (Home)  P.O. Box    153,  8300 AD Emmeloord
    (++31)(0)527 248224 (NLR)   the Netherlands
=======================================================================
List Archives, FAQ, FTP:  http://www.sgi.com/Technology/Performer/
            Submissions:  info-performer++at++sgi.com
        Admin. requests:  info-performer-request++at++sgi.com

New Message Reply Date view Thread view Subject view Author view

This archive was generated by hypermail 2.0b2 on Mon Aug 10 1998 - 17:55:11 PDT

This message has been cleansed for anti-spam protection. Replace '++at++' in any mail addresses with the '@' symbol.