Hm, I wonder if this is the same issue discussed recently in the "Windows users please test OpenThreads CVS" thread. See the osg-users archive for this thread.
Are you up-to-date on current OpenThreads CVS? The Win32 Mutex implementation changed recently, and the change might resolve your issue. -Paul > Anybody have any paging performance issues on Windows? While > I am moving the camera through the database, I get hitches in > frame rate. The frame rate will drop from 100 to about 5 Hz, > and stay at 5 Hz for multiple seconds. > > It appears as though the paging thread is taking over the > processor completely when the performance goes bad. > > I did try the same database on Linux, and it only has an > occasional split-second hitch in performance. This is how I > believe OsgSceneHandler is coded. I mean it doesn't give the > DatabasePager any time if there is no time left. Since on > Windows, the behaviour doesn't match this, I am assuming > there is a problem with the Visual Studio implementation of > OpenThreads. Has anybody else done some investigation on this? > > I know some will blame Windows. But, I'm quite positive the > OS cannot be blamed for multiple second hitches (3-10 seconds > of hitches). > > Thanks for any help you can give! _______________________________________________ osg-users mailing list osg-users@openscenegraph.net http://openscenegraph.net/mailman/listinfo/osg-users http://www.openscenegraph.org/
