[MINC-users] x86 system optimization

[Jon Erik Ween, MD]

On Wed, 2002-09-04 at 06:04, Jason Lerch wrote:

Jason

Thanks for your reply. This is my output of "ldd Display". I don't see
any link to a GL library, though I'm not sure what all these mean. The
version of Display/register I use was compiled by Rick Hoge at MGH.
Maybe his binaries are ideosyncratic?


        /lib/libNoVersion.so.1 => /lib/libNoVersion.so.1 (0x40014000)
        libm.so.6 => /lib/i686/libm.so.6 (0x40031000)
        libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x40053000)
        libXext.so.6 => /usr/X11R6/lib/libXext.so.6 (0x40128000)
        libXt.so.6 => /usr/X11R6/lib/libXt.so.6 (0x40135000)
        libXmu.so.6 => /usr/X11R6/lib/libXmu.so.6 (0x40181000)
        libc.so.6 => /lib/i686/libc.so.6 (0x42000000)
        libdl.so.2 => /lib/libdl.so.2 (0x40197000)
        libSM.so.6 => /usr/X11R6/lib/libSM.so.6 (0x4019a000)
        libICE.so.6 => /usr/X11R6/lib/libICE.so.6 (0x401a2000)
        /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)

Jon

> Hi John,
> 
> > I notice that the apps are VERY  CPU intensive and suspect they are not
> > utilizing the VPU on the videocard very much? 
> > 
> > Also "ldd Display" does not show any links to the Mesa libraries. I
> > thought these program were Mesa dependent?
> 
> They are indeed OpenGL dependent (ldd should show a link to libGL and
> libGLU), whether Mesa or some other implementation. Unfortunately,
> however, they were not written to take advantage of most of the OpenGL
> acceleration you can gain, whether it be on an SGI or a Linux box. This is 
> especially the case for the geometry window, unfortunately. There are a 
> few other visualisation tools around here at the MNI, though none of them 
> are all that mature at this point. 
> 
> > Is there any compilation of minc tool functions, usage and syntax apart
> > from the man pages?
> 
> Try http://www.bic.mni.mcgill.ca/software
> 
> While it isn't nearly as comprehensive as it ought to be, it might provide 
> a few more pointers than just the man pages. Please let me know if you 
> find anything that is especially notable for its absence!
> 
> Cheers,
> 
> Jason
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