[Bf-committers] Re: [RFC] Re: Blender profiling-1 O16.2int

John K. Walton bf-committers@blender.org
Tue, 26 Aug 2003 16:38:29 -0400 (EDT)


sounds like a catch 22 to me.

On Tue, 26 Aug 2003, Ton Roosendaal wrote:

> Hi,
> 
> Can someone translate this for me?
> 
> -Ton-
> 
> > Thanks for you attention. Yes this is a scheduler issue that makes it  
> > prone to
> > the effect of priority inversion (heck even the mars rover module  
> > suffered
> > it), brought out by the quirk in the coding. I wouldn't even know  
> > where to
> > begin looking at the source of blender but the culprits we've tracked  
> > down so
> > far that cause this use select with a very short timeout (15ms in one  
> > case).
> > Basically it repeatedly times out, and X never gets adequate  
> > scheduling time
> > to respond because the applications themselves are the ones preempting  
> > X.
> >
> > Con
> >
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> >
> ------------------------------------------------------------------------ 
> --
> Ton Roosendaal  Blender Foundation ton@blender.org  
> http://www.blender.org
> 
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