Alright, slight update: I am seeing the fluctuations in osgviewer as well, but anything I run that's strictly OpenGL is steady. Is this indicative of something being up with my OSG build perhaps? I'm building against release libraries, I've already double checked that....
Kris omdown wrote: > Good morning/afternoon/evening, whatever your timezone, > > First and foremost, before we go anywhere... I KNOW GLXGEARS AND/OR OTHER > REALLY SIMPLE RENDERING IS NOT A BENCHMARK AND I AM NOT USING IT AS SUCH. > Please no frothing at the mouth when I mention the fps it spits out later. I > have a specific reason for this simple app and comparison to 'gears, so > just.. bear with me pretty please. :) > > I've got an ultra simple OSG application I've written, and I'm not sure why, > but I've got a very strange fluctuation in the frame rate. The app is > intended to be absurdly simple, only 32x32 pixels, and displays a static > image, just a single node, matrixtransformed a little ways away from the > camera. > > I'm running on a machine with a GeForce 480 that alternates between reporting > the frame rate at around 13000fps and 10300fps. Taking a sample of the > elapsed time every 100000 frames, I'll get one long string of ~13000fps in a > row, then one long string of ~10300fps in a row. > > I can't find a reason for the variation, given I'm rendering a static scene. > Running glxgears, I get a very steady ~18000, so if it was something OS/GPU > related, I'd expect the fluctuations to be popping up there as well. > > Does anyone have any thoughts or suggestions as to what might be the issue? > > Kris ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=39289#39289 _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
