Two cards in SLI and Affinity howto - comp.graphics.api.opengl

Hi did someone succeeded in using per card affinity using CG or the openGL. I am trying to use the nvidia affinity on two 8800GT cards, but with no success. I'm using framebuffer offscreen rendering, and do not see any bennefits from using two cards in SLI . Can someone explain how to utilize two cards ? Thanks

vickoda wrote: > > I'm using framebuffer offscreen rendering, and do not see any > bennefits from using two cards in SLI . > a) Maybe the driver doesn't do that. b) Where's your bottleneck. SLI only helps if your bottleneck is pixel-fill. -- <\___/> / O O \ \_____/ FTB. Remove my socks for email address.

"vickoda" <moti.meir@gmail.com> wrote in message news:653faa7a-467e-4c64-a178-94c996499d28@k39g2000hsf.googlegroups.com... > vickoda wrote: > > > I'm using framebuffer offscreen rendering, and do not see any > > bennefits from using two cards in SLI . > > a) Maybe the driver doesn't do that. > > b) Where's your bottleneck. SLI only helps if your bottleneck > is pixel-fill. > > -- > <\___/> > / O O \ > \_____/ FTB. Remove my socks for email address. >I actually use it to pixel render. i have two 8800GT in SLI , the >driver is very new (so are the cards) however i can not see any >improvment in my GL code. >( i do projections and back projection , on and off , all off screen ) >any clue where to start looking ? Thanks What do you mean by "pixel render" ? The question was, is your application limited by the rate at which triangles can be filled ? -jbw

> vickoda wrote: > > > I'm using framebuffer offscreen rendering, and do not see any > > bennefits from using two cards in SLI . > > a) Maybe the driver doesn't do that. > > b) Where's your bottleneck. SLI only helps if your bottleneck > is pixel-fill. > > -- > <\___/> > / O O \ > \_____/ =A0FTB. =A0 =A0 Remove my socks for email address. I actually use it to pixel render. i have two 8800GT in SLI , the driver is very new (so are the cards) however i can not see any improvment in my GL code. ( i do projections and back projection , on and off , all off screen ) any clue where to start looking ? Thanks

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