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Thread: Opensource ati driver performance

  1. #1
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    Opensource ati driver performance

    I am using the open source radeon driver with jaunty 64 bit, it works alright but when I use metacity's compositer things like firefox's scrolling gets much less smooth, and videos tear (tey don't tear with no compositing) is there any tweaks I can make to my xorg.conf to fix these issues and generally improve performance?

    edit: forgot vid card, it's a mobility radeon 2600

    here is my current config:

    Code:
    # xorg.conf (X.Org X Window System server configuration file)
    #
    # This file was generated by dexconf, the Debian X Configuration tool, using
    # values from the debconf database.
    #
    # Edit this file with caution, and see the xorg.conf manual page.
    # (Type "man xorg.conf" at the shell prompt.)
    #
    # This file is automatically updated on xserver-xorg package upgrades *only*
    # if it has not been modified since the last upgrade of the xserver-xorg
    # package.
    #
    # Note that some configuration settings that could be done previously
    # in this file, now are automatically configured by the server and settings
    # here are ignored.
    #
    # If you have edited this file but would like it to be automatically updated
    # again, run the following command:
    #   sudo dpkg-reconfigure -phigh xserver-xorg
    
    Section "Device"
    	Identifier	"Configured Video Device"
    	Driver   	"ati"
            Option          "DRI" "on"
            Option   	"AccelMethod"  "EXA"
            Option		"EXAOptimizeMigration"		"true"
            Option          "AccelDFS" "on"
            Option          "MigrationHeuristic"  "smart"
            Option          "EnablePageFlip"  "on"
            Option          "EnableDepthMoves"  "on"
            Option          "ColorTiling"  "on"
            Option          "DisplayPriority"  "HIGH"
            Option          "DepthBits"  "24"
            Option          "SubPixelOrder"  "RBG"
            Option          "FBTexPercent"  "0"
            Option          "RenderAccel"  "on"
    EndSection
    
    Section "Monitor"
    	Identifier	"Configured Monitor"
    EndSection
    
    Section "Screen"
    	Identifier	"Default Screen"
    	Monitor		"Configured Monitor"
    	Device		"Configured Video Device"
    EndSection
    Last edited by screaminj3sus; April 7th, 2009 at 08:46 PM.
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  2. #2
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    Re: Opensource ati driver performance

    Metacity's aways been slow for me on any computer, with Nvidia drivers too. It's just the way it is.
    Laptop: Inspiron 1501 - AMD64 (Dual Core), 1GB RAM, 120 GB HDD, ATI 1150. Ubuntu 9.04 Jaunty testing.
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  3. #3
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    Re: Opensource ati driver performance

    I have the same graphics card and never got good performance with OpenSource ATI drivers.
    Let's hope ATI Catalyst 9.4 arrive soon (they should be due for the official release of Ubuntu Jaunty at the end of april).

  4. #4
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    Re: Opensource ati driver performance

    Quote Originally Posted by carrozza View Post
    I have the same graphics card and never got good performance with OpenSource ATI drivers.
    Let's hope ATI Catalyst 9.4 arrive soon (they should be due for the official release of Ubuntu Jaunty at the end of april).
    the version of catalyst in jaunty right now (9.4?) is what drove me to the opensource drivers, its unbearably awful, using compiz or metacity it takes 3 seconds to unminimize a window...
    Desktop: Windows 8 x64 | Intel Core i5-2500 | 16 GB DDR3 1333 | ATI 6950 2gb | 64gb Vertex 2/320gb/750gb/1tb hdd
    Laptop: System76 Lemur Ultra | Xubuntu 13.04 x64 | 2.5Ghz Intel Core i5-3210m | 8GB DDR31600 | Intel HD4000 | 500GB 7200rpm hybrid hdd

  5. #5
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    Re: Opensource ati driver performance

    As far as I know the Catalyst 9.4 included right now in Jaunty is a beta, hopefully the final version will be as good as the 9.3 is today (but only in Intrepid).

  6. #6
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    Re: Opensource ati driver performance

    There isn't long to wait now. According to this http://blogs.amd.com/play/2009/04/08...-want-to-know/
    blog at ATI:

    And last but surely not least, my favorite community: ATI Catalyst™ 9.4 for Linux
    We will have support (once the driver is available on or about April 17th) for new operating systems:

    • RHEL 5.3 production support
    • Ubuntu 9.04 early look support


    So, what does this all really mean to you, the gamer? It is further commitment to the enthusiast community that overclock or want the ability to tweak their systems.* That is, you own an AMD processor and an ATI Radeon GPU, you will be enabled to have a superior PC experience with our gaming software products, and of course, if you are a Linux user, a broader set of platform support.

  7. #7
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    Re: Opensource ati driver performance

    Quote Originally Posted by Didius Falco View Post
    There isn't long to wait now. According to this http://blogs.amd.com/play/2009/04/08...-want-to-know/
    blog at ATI:
    I hope they can fix the performance, the 9.4 beta is much slower than the fglrx in Intrepid. Minimize/unminimize, playing videos etc. I've gone to x11-ati in the meantime.

  8. #8
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    Re: Opensource ati driver performance

    Quote Originally Posted by aamukahvi View Post
    I hope they can fix the performance, the 9.4 beta is much slower than the fglrx in Intrepid. Minimize/unminimize, playing videos etc. I've gone to x11-ati in the meantime.
    So have I. I may actually wind up going back to Intrepid, at least for a while. I like beta testing, but I made two mistakes:

    1. I updated my Intrepid setup instead of doing a side by side install. The Intrepid setup was working great, especially the display.

    2. I updated over the internet instead of downloading and burning a cd.

    Now I'm using the x11-ati and after every boot, all my apps load too high and to the left by about two inches. It takes them off-screen. I figured out that if I reload the Metacity window manager, it'll fix it, so at least I have a workaround for now.

    But redraws are slow and it's possible, but unpleasant, to watch videos of any kind.

    On the plus side, the sound is much better. Even my wife noticed it - she was looking around my PC to see if I had bought something new. <G>

  9. #9
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    Re: Opensource ati driver performance

    I tried your X11 configuration and found it a lot smoother to use XAA rendering and removed all options minus RenderAccel, Dephbits 24, subpixelorder, and DRI. However my card is :

    Code:
    OpenGL renderer string: Mesa DRI Radeon 20061018 AGP 4x x86/MMX/SSE2 NO-TCL
    OpenGL version string: 1.3 Mesa 7.2
    Here's my xorg.conf:

    Code:
    Section "Device"
    	Identifier	"Configured Video Device"
    	Driver		"ati"
    	Option		"DRI" "on"
    	Option		"AccelMethod"  "XAA"
    #	Option		"EXAOptimizeMigration"  "true"
    #	Option		"AccelDFS" "on"
    #	Option		"MigrationHeuristic" "smart"
    #	Option		"EnablePageFlip" "on"
    #	Option		"EnableDepthMoves" "on"
    #	Option		"ColorTiling" "on"
    #	Option		"DisplayPriority" "HIGH"
    	Option	 	"DepthBits" "24"
    	Option		"SubPixelOrder" "RGB"
    #	Option		"FBTexPercent" "0"
    	Option		"RenderAccel" "on"
    EndSection
    
    Section "Monitor"
    	Identifier	"Configured Monitor"
    EndSection
    
    Section "Screen"
    	Identifier	"Default Screen"
    	Monitor		"Configured Monitor"
    	Device		"Configured Video Device"
    EndSection
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  10. #10
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    Re: Opensource ati driver performance

    Have you tried using textured Xv instead of overlay (if possible)? And maybe EXAVsync option?

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