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

Alvaro Castaneda varomix at gmail.com
Thu Aug 16 11:28:39 EDT 2012


Hey Michael,
are there any differences when switching?, like the sim been different
cause is a different
code, I guess the question is, is there any noticeable difference?

Cheers!!


On Thu, Aug 16, 2012 at 9:26 AM, Michael O'Brien <mobrien at pixar.com> wrote:

> 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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> > >
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