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A nice performance tip for 2D

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  • A nice performance tip for 2D

    Hi

    I recently found that firefox can be a lot faster when Option "XAANoOffscreenPixmaps" "true" is present in device section of your xorg.conf.

    Details at:
    http://vrodic.blogspot.com/2008/01/f...nce-under.html

    and http://vrodic.blogspot.com/2008/01/u...nce-under.html

  • #2
    Thank you! This worked for me on an Ubuntu 7.10 with 1800XT Cat 8.01.

    I found also a few details on cchtml.com wiki
    Last edited by sok-1; 01-19-2008, 01:58 PM.

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    • #3
      i have to admit - it works. i have a reason to risk using exa again ;-)

      at least those js-heavy pages don't slow firefox to a crawl anymore. i didn't expect that it would be a driver/xorg issue.

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      • #4
        Thank you!
        (1st post: just registered for the occasion)

        p.s. RV370 [Radeon X300]

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        • #5
          thanx!
          with this on my 2d speed is pretty much ok
          (had it commented out when i installed 8.01... redraws were tragically slow... what's strange is that in the previous drivers i didn't notice any impact on the performance by turning this option on/off)
          anyways...thanx again!
          (btw, any other cool options for xorg.conf?)

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          • #6
            "TexturedXrender"
            "Textured2d"

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            • #7
              I recently found that firefox can be a lot faster when Option "XAANoOffscreenPixmaps" "true" is present in device section of your xorg.conf.
              Keep in mind that this option disables almost _all_ hardware accaleration. It may be a short-term solution but a real solution would be to write AMD (and also NVidia but their render support is better) that they should implement support for XRender accaleration.

              lg Clemens
              Last edited by Linuxhippy; 01-23-2008, 09:23 AM.

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              • #8
                weird!!
                is there a list or something with the available xorg.conf options and what they do?

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                • #9
                  man exa
                  man radeon
                  man ati

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