[osg-users] Performance hit caused by porting from VS 7.1 to VS9

James Killian James_Killian at hotmail.com
Wed Jul 2 20:58:29 PDT 2008


Thanks for this info... I checked the projects by hand and sure enough all the optimization settings were incorrect.  I simply fixed them and viola back in business!!


James Killian
  ----- Original Message ----- 
  From: Paul Martz 
  To: 'OpenSceneGraph Users' 
  Sent: Tuesday, July 01, 2008 4:45 PM
  Subject: Re: [osg-users] Performance hit caused by porting from VS 7.1 to VS9


  Do you get the same behavior if you generate fresh VS9 project files with cmake, instead of generating VS7.1 files and converting them? I'm not sure this will have any effect, but it seems like it might be worth a shot...
     -Paul




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    From: osg-users-bounces at lists.openscenegraph.org [mailto:osg-users-bounces at lists.openscenegraph.org] On Behalf Of Rick Pingry
    Sent: Tuesday, July 01, 2008 3:14 PM
    To: OpenSceneGraph Users
    Subject: [osg-users] Performance hit caused by porting from VS 7.1 to VS 9


    Hello All,
     
    We have succesfully ported from OSG 1.2 to the newest SVN version (well, almost newest, I think we are on 8512 at the moment).  Thanks again for all the fantastic forum support.
     
    We have been using VS 7.1 for all of our work so far, but since we were missing a well build freetype library, I figured it was time to make the jump there as well.  I downloaded VS 9 express and ran CMake to build OSG.  All built just fine.  The converter in VS 9 converted all of the projects without fuss, and I was able to get it all compiling and running pretty easily.  Unfortunately, I am seeing this 30% drop in framerate :(.  I was seeing about 28-30 fps (yes, I know, I have some scene optimizing to do) with the VS 7.1 build, which dropped to 20-21 fps using VS 9 express.
     
    Has anyone seen anything like that before?  Am I missing some setting somewhere?  Perhaps the converter in VS 9 does not like me?

    Any ideas?
    -- Thanks
    >> Rick
    Check us out at http://fringe-online.com/



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