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Thread: Slow Compiz performance with 8800 GT

  1. #11
    Join Date
    Aug 2007
    Posts
    6,626

    Default

    You never should enable RENDER as option in Extensions section. That forces emulation mode - this works with every card but you will not get accelleration.

  2. #12
    Join Date
    Nov 2007
    Posts
    26

    Default

    Funny... with the RENDER option in Mandriva Control Center disabled it lags as much or little more than with it enabled.

    Actually it seems, that Mandriva Control Center doesn't enable RENDER in xorg.conf, but some option called RenderAccel. The label says Enable RENDER Acceleration. I had just expected it to enable RENDER, but guess I was wrong :P

  3. #13
    Join Date
    Feb 2008
    Posts
    139

    Default

    RenderAccel is specifically for the nvidia driver... In recent drivers its enabled by default. In recent Xorg RENDER is also enabled by default...in theory you shouldn't need to have it enabled specifically, however I don't really know how mandriva does things

  4. #14
    Join Date
    Apr 2008
    Posts
    10

    Default same same on 8400GS

    I'm seeing the exact same problems on my laptop with a 8400GS card. Read somewhere, might have been on this forum, but I can't remember) that there is a problem with 8xxx cards and compiz. Especially cube and blur.

    I have just tried 173.08 and the problem is still there.

    /Sinner

  5. #15
    Join Date
    Feb 2008
    Posts
    139

    Default newer xserver problems

    There is also a composite performance regression in newer xservers 1.4.caused by a securtiy fix.

    8xxx series cards have serious 2d gfx slowness which is why switching tabs/scrolling etc. can be sluggish.

  6. #16
    Join Date
    Apr 2008
    Posts
    10

    Default

    Hm, seems more like a 3D issue, but I'm definitely no expert... I've got a desktop-machine with the nvidia 7900 and that one gives me no problems at all.

    /Sinner

  7. #17
    Join Date
    Nov 2007
    Posts
    26

    Default

    I just installed 173.08 and it fixed it. Works like a charm... everything's smooth. Before it stuck for a while when doing anything cpu-intensive.

  8. #18
    Join Date
    May 2007
    Location
    Third Rock from the Sun
    Posts
    6,584

    Default

    Working like a charm here on a Palit 8800GT. No issues at all.

  9. #19
    Join Date
    Apr 2008
    Posts
    10

    Default

    It's still a bit sloppy here :-s But I hope the next release will fix it ie when it's out of beta.

  10. #20
    Join Date
    Apr 2008
    Posts
    10

    Default

    I just tried the "loose binding" option on fusion icon, and that helped a lot, together with 173.08. I'm a much happier camper now, thanks for feedback!

    /Sinner

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