Hi J-S, On 8/23/07, Jean-Sébastien Guay <[EMAIL PROTECTED]> wrote: > Hello Robert, > > > It would be interesting to here from others with multi-CPU, multi-GPU > > systems to see how they fair. > > I would gladly test this on Windows with my dual-core, single-GPU > machine, but all the models I have cap out at the refresh rate > anyways. I guess I can disable vsync to get a better impression, but > the cow might not be a very representative benchmark... Do you have > any standard test models that you use to test performance and that you > could share?
To really test out this issue one needs a multi CPU multi GPU machine. Also if you have just one screen you'll have just one context and one associated thread - so you can't serialize it - its serialized already! W.r.t models that I use for benchmarking, none of them I can share as they aren't open. Models like cow.osg really are rather pointless to test as the max framerate with vsync off on modern machines like mine is over 4000fps. The types of models that the most interesting are ones that come near to or actually breaking frame - these would have frame rates in the region of 20 to 150 Hz. These types of models are the ones that you have optimize for to get you hit vsync on every frame. My own personal aim is to always hit a solid 60 or 75Hz (whatever my display refresh rate is set to) and to never drop a frame. Robert. _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
