[Bf-cycles] Re : Cycles on Nvidia Kepler
vitos1g at gmail.com
Tue Sep 25 12:45:57 CEST 2012
As far as i know, Keplers are lacking of good memory management. There were
some nvidia guys at Siggraph that mentioned it.
> >Date: Tue, 25 Sep 2012 10:26:11 +0200
> From: " myke at octopod-studio.com " <myke at octopod-studio.com>
> Subject: [Bf-cycles] Re : Cycles on Nvidia Kepler
> To: bf-cycles at blender.org,bf-cycles at blender.org
> Message-ID: <22.214.171.124.1348561812.21293 at ns0.ovh.net>
> Content-Type: text/plain; charset="utf-8"
> Hi, i ve made a lots of testing about this, and actually the gk104 gpu
> familly is really weak on double precision op?rations...
> So, every 6xx gpu are slower than 5xx ... 5 cores of 6xx = 1 core of 5xx
> in double...
> Only one version of blender on graphicall have succeded to run cycles on
> an Asus 680 dcuii , but i ve also made some tests with iray and other gpu
> renderer... It s the same...
> Nvidia have said that the first kepler 2 will come with the tesla k20, and
> new quadro and gtx after... 6 month to wait minimum...
> So i ve built for a little studio a rendering machine with 4 580 gainward
> phantom 3 go, and i think it s the better price/speed actual solution...
> But i think that Brecht will say more about this. ( don't think that s
> possible to convert everything in single pr?cision )
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