[Bf-cycles] Bottleneck of gpu render

[GeKo]

But i really mean about the way that cycles process de model. I dont have
any knowledge about raytracing render, but i am shocked about how the new
hardware know improve so much rhe rendering, even when they have 5 time
more cores.
On 28 Mar 2014 23:11, "Brecht Van Lommel" <brechtvanlommel at pandora.be>
wrote:

> There are various possibilities:
>
> * Memory and texture memory read/write bottlenecks
> * Different Mhz for cores
> * Different GPU architecture
> * Not all cores occupied due to divergence or mismatched batch sizes
> * CPU Overhead
>
> There's too many interacting parts to be sure without closely
> investigating.
>
> Brecht.
>
> On Fri, Mar 28, 2014 at 9:30 PM, GeKo <geko.pua at gmail.com> wrote:
> > Short question, Why the execution time don't decrease "linearly"
> according
> > to the number of cuda cores?
> >
> > _______________________________________________
> > Bf-cycles mailing list
> > Bf-cycles at blender.org
> > http://lists.blender.org/mailman/listinfo/bf-cycles
> >
> _______________________________________________
> Bf-cycles mailing list
> Bf-cycles at blender.org
> http://lists.blender.org/mailman/listinfo/bf-cycles
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.blender.org/pipermail/bf-cycles/attachments/20140328/b1414405/attachment.htm