[Sidefx-houdini-list] open cl and quadro on h12

Michael O'Brien mobrien at pixar.com
Thu Aug 16 11:26:25 EDT 2012


Hola~

That's in line with what we are seeing. We try to stay on the GPU for
testing, but then go to the CPU for final tweaking.

MO

> -----Original Message-----
> From: sidefx-houdini-list-bounces at sidefx.com [mailto:sidefx-houdini-list-
> bounces at sidefx.com] On Behalf Of Nick van Zutphen
> Sent: Thursday, August 16, 2012 2:34 AM
> To: sidefx-houdini-list at sidefx.com
> Subject: Re: [Sidefx-houdini-list] open cl and quadro on h12
> 
> It depends, the computations on the gpu are limited to the VRAM on the
> videocard. Compared to your CPU and ram that is quite a limitation.
> On my machine the 580gtx 3gb is 30% faster than when I compute a similar
> sim on the CPU. How ever due to the VRAM limitation I can't go beyond
> about 256x256 voxels on the GPU.
> 
> Cheers,
> Nick
> 
> On 16 aug. 2012, at 10:44, zoran arizanovic <zoran.arizanovic at gmail.com>
> wrote:
> 
> > hi
> > i have a new dual xeon , 96 gb ram machine now built for sim work i
> > just need to use it to its maximum and was wondering if this cl would
> > speed it up
> >
> > did anyone have any luck with running cl switch ?
> > I have quadro 4000 would this be ok for cl?they say it has fermi arch.
> > but still when i switch it on i get error what version of drivers are
> > you using for this?
> >
> > i have a new dual xeon , 96 gb ram machine now built for sim work i
> > just need to use it to its maximum and was wondering if this cl would
> > speed it up
> >
> > --
> > Zoran Arizanovic
> > vfx reel : http://vimeo.com/28605448
> > http://www.imdb.com/name/nm2902303/
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> > Sidefx-houdini-list at sidefx.com
> > https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
> >
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