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Thread: 2D performance on 'radeon' vs 'radeonhd'

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  1. #1
    Join Date
    Jan 2007
    Posts
    33

    Default SOLVED - 2D performance on 'radeon' vs 'radeonhd'

    Hi,
    I built the current repository versions of 'radeon' and 'radeonhd' and compared the 2D performance on my X1800.

    As you can see, 'radeonhd' blows 'radeon' away on the GtkDrawingArea-Text test, where 'radeonhd' is about 3X faster. I believe there is a serious problem with this aspect of the 'radeon' driver. Conversely, for the GtkDrawingArea-Circles test, 'radeon' is about 3X faster.

    A couple months ago I remember running the same type of comparison and 'radeon' performed better on the same text drawing test, but I don't know when/how the reduced performance started.

    Does anybody have any thoughts or explanation on this?

    EDIT: These were the only options I used...
    Code:
    Option "AccelMethod" "EXA"
    Option "MigrationHeuristic" "greedy"
    Yes, current repository version of DRM.

    Code:
    X.Org X Server 1.5.99.1
    Release Date: 5 September 2007
    X Protocol Version 11, Revision 0
    Build Operating System: Linux 2.6.25-zen0 i686 
    Current Operating System: Linux shocked 2.6.25-zen0 #1 SMP PREEMPT Thu May 1 20:29:16 PDT 2008 i686
    Build Date: 01 May 2008  09:21:00PM
    Radeon:



    RadeonHD:

    Last edited by surfer; 05-02-2008 at 06:08 AM.

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