On Fri 4 May 2007 08:52, Martin Spott wrote:
> John Wojnaroski wrote:
> > Is there any info/data on FG frame rates with OSG vis-a-vis previous
> > plib versions running on comparable hardware?
>
> The last time when I compared FlightGear with PLIB scenegraph against
> OpenSceneGraph, is several several months behind. With close to default
> settings (I don't remember the details any more) I got almost the same
> FPS numbers at the standard location using the standard aircraft - with
> a slight plus for OSG. That was on AMD64, Radeon X800 and ATI's closed
> source driver 8.28.8 (the one that comes with Debian Etch),
>
>       Martin.

I usualy , build both FG osg   and G plib from the same release, mainly to 
check the model compatibility during development.
i can confirm the Martin remark: olders fg osg  and fg plib where giving 
almost the same performances.
It seems recently (but unfortunately i cannot say exactly when,  end of 
february ?)  we have lost that performance regarding fg osg.

As i said in my previous mail i now get a difference ratio  of 2.5  which is 
very important :(

Regards

-- 
Gérard


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