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Thread: Video Accelleration OK, but Firefox performance quite poor!

  1. #11
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    Re: Video Accelleration OK, but Firefox performance quite poor!

    I just experimented and got the same message. So you are right in part.

    However, it is not correct that only NVIDIA supports Flash. The relationship is the other way around. Adobe chose VDPAU.

    Adobe supports VDPAU. NVIDIA does not support Flash.

    ATI cards will accelerate Flash in gnash and have since 2010, but I never had good luck with gnash -- but I haven't used it in a long time. Certainly not since 2010.

    Edit: I installed gnash on a machine with an ATI card. It did, in fact, allow acceleration and put a really good load off on the GPU -- putting as much as a 30% load on the GPU. Unfortunately, I could not get 1080p content to play (the little spinning balls went on forever) and not all sites recognized it (on 3dgameman, for instance, I got gray boxes and no video.) So, it's not an inherent problem with ATI, but simply that Adobe has chosen to use VDPAU.
    Last edited by QIII; May 17th, 2012 at 04:00 AM.

  2. #12
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    Re: Video Accelleration OK, but Firefox performance quite poor!

    Hi, please, lets no divert the topic, The issue is that firefox gets slow on pages with or without flash, it gets slow on even html5 pages, or pages like http://ubuntuforums.org/showthread.php?t=1980663

  3. #13
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    Re: Video Accelleration OK, but Firefox performance quite poor!

    Just some side chatter since I haven't found anything yet. Still looking.

    While you wait, try using Chrome or another browser so that we can see if we can isolate this to Firefox.

    If another browser works, we will try creating a new Firefox profile.
    Last edited by QIII; May 17th, 2012 at 03:24 PM.

  4. #14
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    Re: Video Accelleration OK, but Firefox performance quite poor!

    "The issue is that firefox gets slow on pages with or without flash, ..."

    Yup.

    I had that happening until I disabled the flash plugin - gnash, too.

    Now those pages without flash don't hang.

  5. #15
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    Re: Video Accelleration OK, but Firefox performance quite poor!

    Hi, disabled flash, restarted, no luck, still HUGE slowness on test site http://9to5mac.com/

  6. #16
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    Re: Video Accelleration OK, but Firefox performance quite poor!

    Try with a different browser for a moment. Let's make sure it's FF.

  7. #17
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    Re: Video Accelleration OK, but Firefox performance quite poor!

    Quote Originally Posted by QIII View Post
    Just some side chatter since I haven't found anything yet. Still looking.

    While you wait, try using Chrome or another browser so that we can see if we can isolate this to Firefox.

    If another browser works, we will try creating a new Firefox profile.
    Well, I think this is huge!

    Tested http://9to5mac.com/ on Chromium and performance is poor.

    Chromium 18.0.1025.151 (Build para desarrolladores 130497) Ubuntu 12.04
    SO Linux
    WebKit 535.19 (trunk@106313)
    JavaScript V8 3.8.9.16
    Flash 11.2 r202
    Agente de usuario Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.19 (KHTML, like Gecko) Ubuntu/12.04 Chromium/18.0.1025.151 Chrome/18.0.1025.151 Safari/535.19
    Línea de órdenes /usr/lib/chromium-browser/chromium-browser --flag-switches-begin --flag-switches-end
    Ruta ejecutable /usr/lib/chromium-browser/chromium-browser
    Ruta del perfil /home/martin/.config/chromium/Default

  8. #18
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    Re: Video Accelleration OK, but Firefox performance quite poor!

    Try a site in Argentina (as near by you as possible) and see how well it performs.

  9. #19
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    Re: Video Accelleration OK, but Firefox performance quite poor!

    Quote Originally Posted by QIII View Post
    Try a site in Argentina (as near by you as possible) and see how well it performs.
    Well, I think I will not thest that, because once the site is loaded, the rendering process is handled by the browser rendering engine.

    Just to clarify, the slowness happens after the site is completely loaded, so there is nothing to do with network performance, it is a video acceleration issue.

  10. #20
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    Re: Video Accelleration OK, but Firefox performance quite poor!

    Quote Originally Posted by razor7 View Post
    Well, I think I will not thest that, because once the site is loaded, the rendering process is handled by the browser rendering engine.

    Just to clarify, the slowness happens after the site is completely loaded, so there is nothing to do with network performance, it is a video acceleration issue.
    I realize that once it is downloaded, rendering is on the browser.

    Part of diagnosis is ruling other things out.

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