Re: [osg-users] Threading Models

2010-04-09 Thread Robert Osfield
Hi Paul Jason, On Fri, Apr 9, 2010 at 1:49 AM, Jason Daly jd...@ist.ucf.edu wrote: As you indicated, it seems to be hard-coded at the moment.  There doesn't seem to be any way to configure it from the application.  You'll have to either change the hard-coded values in your copy of OSG, or

Re: [osg-users] Threading Models

2010-04-09 Thread Jason Daly
Robert Osfield wrote: It's been my plan to revise the way that thread affinity is set up with the OSG to allow user customization of thread affinity, this would either have to be done by setting up the GraphicsContext::Traits and to give hints the DatabasePager prior to the threads starting, or

Re: [osg-users] Threading Models

2010-04-08 Thread Paul Palumbo
paul1492 wrote: Where do I find information on the various threading models of OSG? I'm using OSG 2.6 and have a custom CullVisitor which handles processing of a custom node. What can I do within a CullVisitor? Does it need to be thread safe? Can I update a texture or MatrixTransform

Re: [osg-users] Threading Models

2010-04-08 Thread Jason Daly
Paul Palumbo wrote: Any help would be appreciated. I've been fighting with this for many weeks now and getting nowhere. I also have a real-time application (using RedHawk Linux) which is doing other things besides OSG stuff. I tried to shield and set the affinity of my other processes but

[osg-users] Threading Models

2010-03-22 Thread Paul Palumbo
Where do I find information on the various threading models of OSG? Also, is there an easy way to determine what threading model OSG has selected for me? I'm using OSG 2.6 and have a custom CullVisitor which handles processing of a custom node. I seem to be getting random segmentation faults

Re: [osg-users] Threading models on startup - win32

2008-08-03 Thread Robert Osfield
Hi Glenn, I don't know the answer to why this is happening. Could you try the same app on another machine with a different graphics driver/hardware and see what you observe. As for the stats saying DrawThreadsPerContext - this is almost certainly means that you are running in

[osg-users] Threading models on startup - win32

2008-07-30 Thread Glenn Waldron
Hi everyone, I am noticing something strange with osgviewer. When I start up osgviewer (with any old terrain model), and turn on the stats, I see DrawThreadPerContext mode with an unusually long draw time. In one case, it's 22 ms and pretty much pegging one of my cores. If I cycle though the