[Bf-cycles] GPU future

[Luke Frisken]

AFAIK,  there are subtle differences between the cpu and gpu outputs which
might make this idea a little awkward.
On 11/12/2012 11:52 AM, "Sebastian Röthlisberger" <lalli at gmx.net> wrote:

> Hi there,
>
> what about extending the tiles System a bit more? Lets say a scene is big
> enough for gpu. Why not render on gpu + cpu as tiles?
> Or let's say somebody has 3 or 4 (or a farm) computers, each could be
> hooked up to working on one blender and render tiles for it…
>
> Just some ideas i had. bashi
>
> On 11.12.2012, at 01:29, David Black <db4tech at yahoo.co.uk> wrote:
>
>  Hi,
>
> Would you be able to achieve your idea by using render layers and layer
> masks?  Render some parts with GPU, others with CPU then combine the
> results.
>
> Just trying to think of helpful workarounds,
>
> David
>  --
>
> 3d-designs-davidblack.blogspot.com<http://www.3d-designs-davidblack.blogspot.com/>
>  On 09/12/2012 14:43, Juan Pablo Scotto wrote:
>
>
> Thanks for the reply. I see. Just thought that because the limit of the
> VRAM.
>
> Cheers.
>
>
>
> > From: brechtvanlommel at pandora.be
> > Date: Sun, 9 Dec 2012 15:30:01 +0100
> > To: bf-cycles at blender.org
> > Subject: Re: [Bf-cycles] GPU future
> >
> > Hi,
> >
> > On Sun, Dec 9, 2012 at 3:10 PM, Juan Pablo Scotto
> > <juanpscotto at hotmail.com> <juanpscotto at hotmail.com> wrote:
> > > But is it posible to implement, one feature that gives you the
> posibility to
> > > choose what objects in a scene can be rendered in CPU or GPU?.
> > > For example if you are making a scene with grass with hair and other
> > > objects. You can render the grass with cpu and the other objects in
> GPU.
> > > That will be very usefull for the people that has a GPU with less Vram
> than
> > > RAM.
> > >
> > > I'ts just and opinion. What do you think about? Is it totally crazy the
> > > idea?
> >
> > Hybrid rendering where you split shading and ray intersection can be
> > done as shown by Luxrender. Intersecting some objects and the GPU and
> > some on the CPU is possible in principle, but it gets tricky and I'm
> > not so sure about the advantages over just doing all intersections on
> > the CPU then, speed gains might be minimal.
> >
> > For Cycles I don't see hybrid rendering as a priority, I think there's
> > many other optimizations that should be tackled first.
> >
> > Brecht.
> > _______________________________________________
> > Bf-cycles mailing list
> > Bf-cycles at blender.org
> > http://lists.blender.org/mailman/listinfo/bf-cycles
>
>
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