Re: [osg-users] Parallel Rendering Problems using NVidia GPU cards in Windows

2012-06-30 Thread Stefan Eilemann
On 29. Jun 2012, at 21:03, WangWentao wrote: how about 2 same GPUs? First one is chosen. Stefan. -- http://www.eyescale.ch http://www.equalizergraphics.com http://www.linkedin.com/in/eilemann ___ osg-users mailing list

Re: [osg-users] Parallel Rendering Problems using NVidia GPU cards in Windows

2012-06-29 Thread Stefan Eilemann
On 26. Jun 2012, at 8:57, GeeKer Wang wrote: In fact, Windows NVidia driver will try to send OpenGL cammands to all GPU when SLI model disabled. NVidia drivers =256.0 send the commands to the most powerful GPU and then blit the result to the display GPU. You can override the GPU on a

Re: [osg-users] Parallel Rendering Problems using NVidia GPU cards in Windows

2012-06-29 Thread WangWentao
how about 2 same GPUs? 在 2012-6-29,21:18,Stefan Eilemann eilem...@gmail.com 写道: On 26. Jun 2012, at 8:57, GeeKer Wang wrote: In fact, Windows NVidia driver will try to send OpenGL cammands to all GPU when SLI model disabled. NVidia drivers =256.0 send the commands to the most

Re: [osg-users] Parallel Rendering Problems using NVidia GPU cards in Windows

2012-06-26 Thread GeeKer Wang
Hi, Jason It's a GPU issue. I just want to verify the scalability of multi-GPU in windows, and the answer is disappointing. Few NVIDIA GPU cards support GPU-affinity in Windows, and SLI mode is the only way to use multi-cards. In fact, Windows NVidia driver will try to send OpenGL cammands to all

Re: [osg-users] Parallel Rendering Problems using NVidia GPU cards in Windows

2012-06-25 Thread Jason Daly
On 06/25/2012 12:59 AM, GeeKer Wang wrote: Hi, all I want to use two GTS 250 cards to do the parallel rendering job based on OpenSceneGraph。 In my experiment, a scene full of complex models is split to 2 parts according to viewport。 The 2 parts are rendered in seperated windows (actually