I agree with Erik, don't make such tests in Debug mode. Lots of thing have
changed since VS2003 on the debugger, and it's normal to have really poor
performances in this mode.
On Fri, Dec 19, 2008 at 2:42 PM, Erik den Dekker wrote:
> I think that as a general rule it is not advisable to do performance
> tests in Debug mode, you should always use Release mode for that. Also, are
> you using the default optimization flags given by cmake for both compilers?
> These should be ok.
>
> Erik
> --
>
> *From:* osg-users-boun...@lists.openscenegraph.org [mailto:
> osg-users-boun...@lists.openscenegraph.org] *On Behalf Of *Leeten
> *Sent:* Friday, December 19, 2008 10:04
> *To:* osg-users
> *Subject:* [osg-users] OSG2.6 libs created by VC2008 are lower than the
> onescreated by VC2003?
>
>
>
> Hi, all
>
>
>
> I use OSG2.6.0 on Windows XP SP3. I generated both OSG2.6 libs under VC
> 2008 and VC 2003, both under Debug mode. When I test my app's FPS, I found
> an interesting thing: when I load the same file in the same app, the FPS is
> different when using different libs. The details are shown in followed
> table.
>
>
>
> Geode Num in Input Model
>
> OSG vertion
>
> IDE
>
> Mode
>
> FPS
>
> 2300
>
> 2.6
>
> VC2008
>
> Debug
>
> 2
>
> 2300
>
> 2.6
>
> VC2003
>
> Debug
>
> 75
>
> 2300
>
> 2.2
>
> VC2003
>
> Debug
>
> 75
>
>
>
> To be attantion, the refresh frequence of my screen is set to 75Hz. When I
> used VC2008 debug libs, the apps is too slow to stand.
>
>
>
> I wonder why it happens? did I generate the libs in a wrong way? Thank you
> for any help.
>
>
>
> 2008-12-19
> --
>
> Leeten
>
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>
>
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