Hi Joe, This sounds like a driver issue. Could you please try enabling vsync, as then you will get a better picture of the load balancing in a usage model that end users should be using.
Robert. On Wed, Oct 22, 2008 at 5:39 PM, Joe Lyga <[EMAIL PROTECTED]> wrote: > I'm having an issue with a program that I'm working on that uses OSG. I > have a machine running windows vista that has two Geforce 8800 GTX graphics > cards. I'm running these cards with SLI disabled so I can hook up 4 > monitors, with 2 on each graphics card. In display properties, I have > monitor 1 (hooked up to the first graphics card) set as the primary monitor, > and the windows desktop extended onto the other 3. > > Anyway, when I'm running this program in windowed mode on the first or > second monitors (which are hooked up to the first graphics card), I'm > getting a good framerate (around 600 fps) with smooth motion. If I simply > drag the window to the third or fourth monitors (which are hooked up to the > second graphics card), the framerate drops to around 100 fps and the motion > becomes choppy. I took some screenshots of the stats on both. The first > image is with the program running on monitors connected to the first > graphics card, and the second is on monitors connected to the second > graphics card. > > One thing I tried was disabling the two monitors hooked up to the first > graphics card (by setting the windows desktop to not extend onto these two > monitors). As a result, trying to run the program running in a window on > monitors 3 or 4 (hooked up to the second graphics card) gave a good > framerate without any choppiness. > > I've been trying to figure out what's been causing the choppiness with > running the program on monitors connected to the second graphics card. Does > anyone have any experience with running multiple monitors on multiple > graphics cards? > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

