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Thread: nVIDIA drivers slow?

  1. #1
    Senior Member Regular Contributor
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    nVIDIA drivers slow?

    I've noticed that the nVIDIA drivers for Linux (latest) are almost 6 times slower than my windows drivers (12.01)
    I'm very sure that it's NOT software rendering and the drivers are loaded correctly.

    Can someone tell me if it's normal that those drivers are so slow?

    I've read that it can be slower because of some conflicting Mesa drivers but since I'm very new to Linux I don't know wich files to remove...
    Here are the mesa files I found in "/usr/X11R6/lib":

    libMesaGL.so.1
    libMesaGL.so.1.0
    libMesaGL.so.3
    libMesaGLU.so
    libMesaGLU.so.1
    libMesaGLU.so.3


    Some details:

    - Direct rendering is enabled.
    - I've got XFree86 4.0.3 installed so that shouldn't be the problem.
    - My videocard is a GeForce2 MX

  2. #2
    Senior Member Regular Contributor
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    Re: nVIDIA drivers slow?

    Hmm, it seems that it's not a conflicting Mesa library...
    (checked with ldd)

    AGP is also enabled
    (checked with cat /proc/nv/card0)

  3. #3
    Guest

    Re: nVIDIA drivers slow?

    Don't GeForece's (and all NVidia cards) use the NVidia drivers and not mesa?
    http://www.nvidia.com/Products/Drivers.nsf/Linux.html

  4. #4
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    Re: nVIDIA drivers slow?

    Well, actually I am using the nVIDIA drivers, but they're just 6 times slower than the windows drivers
    And it's not software rendering (I've tried the Mesa drivers before installing nVIDIA's drivers)



    [This message has been edited by richardve (edited 05-02-2001).]

  5. #5
    Senior Member Regular Contributor
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    Re: nVIDIA drivers slow?

    Are you sure the files you posted above are the only opengl libraries you have installed?Try find / -name 'lib*GL*' as root to see if there are any other libraries that may be used instead of nvidia's.

  6. #6
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    Re: nVIDIA drivers slow?

    This is what I got after doing that find command as root:

    /usr/lib/libGL.so.1.0.769
    /usr/lib/libGLcore.so.1.0.769
    /usr/lib/libGLcore.so.1
    /usr/lib/libGL.so.1
    /usr/lib/libGL.so
    /usr/X11R6/lib/libGLU.so.1
    /usr/X11R6/lib/libGLU.so.1.2.030401
    /usr/X11R6/lib/libGLU.so.3
    /usr/X11R6/lib/libMesaGLU.so.1
    /usr/X11R6/lib/libMesaGLU.so.3
    /usr/X11R6/lib/libGL.so.1
    /usr/X11R6/lib/libGL.so.3
    /usr/X11R6/lib/libGL.so
    /usr/X11R6/lib/libGLw.a
    /usr/X11R6/lib/libGL.so.1.0
    /usr/X11R6/lib/libGL.so.1.2.030401
    /usr/X11R6/lib/libGLwrapper.so.0.1.4
    /usr/X11R6/lib/libMesaGL.so.1
    /usr/X11R6/lib/libMesaGL.so.1.0
    /usr/X11R6/lib/libMesaGL.so.3
    /usr/X11R6/lib/libGL.la
    /usr/X11R6/lib/libGLU.la
    /usr/X11R6/lib/libGLU.so
    /usr/X11R6/lib/libMesaGLU.so

    But like I said in my first post; I really don't know wich of those files can be deleted...

  7. #7
    Junior Member Newbie
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    Re: nVIDIA drivers slow?

    Hi,

    try this:
    rm -f /usr/lib/libGL.*
    rm -f /usr/lib/libGLcore*
    rm -f /usr/X11R6/lib/libGLU*
    rm -f /usr/X11R6/lib/libMesa*
    rm -f /usr/X11R6/lib/libGL*

    rm -f /usr/X11R6/lib/extensions/libglx*
    rm -f /usr/X11R6/lib/extensions/libGL*

    rm -f /usr/X11R6/lib/modules/drivers/nvdia.o (or nv.o)
    (not sure, about the path; do a search)...

    then, download the NVIDIA_KERNEL and GLX thingy from their page, unpack it in your locar dir, and move the libs (with links)
    to /usr/X11R6/lib...

    the libGLcore* and libglx* stuff goes to /usr/X11R6/lib/extensions

    the nv.o (or was it nvidia.o) has to be copied to /usr/X11R6/lib/modules/drivers/

    in general: all files which contain "mesa"
    have to be removed

    that should work,

    walantis

  8. #8
    Senior Member Regular Contributor
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    Re: nVIDIA drivers slow?

    I've done everything wich is suggested but it's still too slow

  9. #9
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    Re: nVIDIA drivers slow?

    Hi,

    another idea...take a look (as root) at this:

    cat /proc/nv/card0

    and tell me what you see...maybe there's a problem
    with agp support ?!

    hope it helps,

    walantis

  10. #10
    Senior Member Regular Contributor
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    Re: nVIDIA drivers slow?

    ----- Driver Info -----
    NVRM Version: 1.0-769
    ----- Card Info -----
    Model: GeForce2 MX
    IRQ: 11
    ----- AGP Info -----
    AGP Status: Enabled
    AGP Driver: NVIDIA
    Bridge: Via Apollo Pro
    SBA: Supported [disabled]
    FW: Unsupported [disabled]
    Rates: 2x 1x [2x]
    Registers: 0x07000203:0x00000102


    Nothing wrong with it AFAIK...

    Could it be that Linux has a larger function calling overhead wich makes it slower when using immediate mode (glVertex3f[v], etc) for rendering?

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