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Thread: 2d performance (gnome/gtk) is not good

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  1. #1
    Join Date
    Dec 2008
    Posts
    33

    Default 2d performance (gnome/gtk) is not good

    hi

    im pretty sure this thing was discussed in the forums already but for the life of me cant find the relevant info, so bare with me pls.

    this occurs with every driver-version i tested, im using ubuntu 8.1 with gnome 2.24.1 atm. hardware: amd x2 4850e , ati 3850, 2gb ram.

    all of this happens with compiz deactived (performance is great with compiz)

    when i move windows around it feels really sluggish and the window contents get smeared (correct word? english is not my mothertongue..)

    very interesting is audacious, when i move the window around it laggs like hell and while moving around pushes both of my cores to 100%. (checked with htop) (edit: this doesnt happen when i activate window borders in options)

    some gtkperf stuff:
    (testing done with 8.11, but doesnt really differ with 8.12 or 9.1beta)
    (both run with 100 rounds)
    Code:
    GtkPerf 0.40 - Starting testing: Thu Dec 25 16:35:29 2008
    
    GtkEntry - time:  0,02
    GtkComboBox - time:  0,96
    GtkComboBoxEntry - time:  0,42
    GtkSpinButton - time:  0,10
    GtkProgressBar - time:  0,07
    GtkToggleButton - time:  0,24
    GtkCheckButton - time:  0,06
    GtkRadioButton - time:  0,12
    GtkTextView - Add text - time:  0,34
    GtkTextView - Scroll - time:  0,11
    GtkDrawingArea - Lines - time:  0,65
    GtkDrawingArea - Circles - time: 17,79
    GtkDrawingArea - Text - time: 18,63
    GtkDrawingArea - Pixbufs - time:  1,09
     --- 
    Total time: 40,61
    with vesa driver i get around 5 seconds with compiz activated around 7 secs.

    another interesting thing i just noticed, when i run gtkperf in the background , i.e. with the firefox on top of it, the following happens:

    Code:
    GtkPerf 0.40 - Starting testing: Thu Dec 25 16:35:00 2008
    
    GtkEntry - time:  0,04
    GtkComboBox - time:  1,15
    GtkComboBoxEntry - time:  0,54
    GtkSpinButton - time:  0,10
    GtkProgressBar - time:  0,06
    GtkToggleButton - time:  0,17
    GtkCheckButton - time:  0,05
    GtkRadioButton - time:  0,12
    GtkTextView - Add text - time:  0,26
    GtkTextView - Scroll - time:  0,24
    GtkDrawingArea - Lines - time:  0,38
    GtkDrawingArea - Circles - time:  3,44
    GtkDrawingArea - Text - time:  0,87
    GtkDrawingArea - Pixbufs - time:  0,04
     --- 
    Total time:  7,48

    oh yeah and my xorg.conf is pretty standard for ubuntu, nothing fancy, no tweaks, etc -> just driver "fglrx"

    tried some tweaks i found around the internet but none helped.


    ok thx in advance, bye bye!
    Last edited by questioneer; 12-25-2008 at 11:02 AM.

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