Does anybody see less than 100% CPU utilization when running osgviewer cow.osg on an ATI card? I had just been accepting that as normal.
Cory Jason Daly wrote: > Cory Riddell wrote: >> I had asked about this one time and in the end I decided that it was >> using 100% of one core intentionally. The run loop is not throttled in >> any way, and so I think it will use as much cpu as it can. >> >> Perhaps the nVidia system is better at offloading working or blocks the >> CPU differently than the ATI system. In the end, I think this just >> points to the CPU being the bottleneck in the ATI system and something >> else (video card?) being the bottleneck in the nVidia system. >> > > I doubt that's the case if he's just running cow.osg. More likely, > VSync is not being properly detected on the ATI system, so the viewer > is just running free and not waiting for the frame to be drawn on the > screen. > > First thing I'd suggest is to make sure you've got the latest drivers > for the ATI card. ATI's OpenGL support has gotten a lot better > recently, so it's possible that a driver upgrade will allow OSG to > properly detect the VSync signal. > > --"J" > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
