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AMD Radeon Gallium3D More Competitive With Catalyst On Linux

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  • AMD Radeon Gallium3D More Competitive With Catalyst On Linux

    Phoronix: AMD Radeon Gallium3D More Competitive With Catalyst On Linux

    With the ever-changing state of Linux graphics drivers -- both for the open and closed-source drivers -- new tests have been conducted to compare the OpenGL graphics performance on Linux with AMD Radeon graphics. In this article are benchmarks of nine different Radeon HD graphics cards when being tested on the very latest AMD Catalyst (13.3 Beta 3) graphics driver as well as the open-source AMD Radeon driver consisting of Mesa 9.2-devel and the yet-to-be-released Linux 3.9 kernel.

    http://www.phoronix.com/vr.php?view=18654

  • #2
    Interesting that the 6450 in particular has some anomalies. Anyone possible reason why?

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    • #3
      Michael, if you tested Vadim's shader optimizer http://cgit.freedesktop.org/~vadimg/mesa/log/?h=r600-sb,
      results could have been even better!

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      • #4
        Maybe I missed it... were the cards running dynpm, medium (default) or high frequencies?

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        • #5
          It would be really great if Michael could maintain a dynamic feature table comparing all the available linux open and closed graphic drivers. Openbenchmarking does this for performance, but, as development is speeding up, it is really hard to know exactly which hardware features are supported on which driver.

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          • #6
            Originally posted by Figueiredo View Post
            It would be really great if Michael could maintain a dynamic feature table comparing all the available linux open and closed graphic drivers. Openbenchmarking does this for performance, but, as development is speeding up, it is really hard to know exactly which hardware features are supported on which driver.
            But that's what the freedesktop wiki is for.

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            • #7
              Originally posted by Ericg View Post
              Maybe I missed it... were the cards running dynpm, medium (default) or high frequencies?
              The default isn't Medium, it's whatever is set in the video cards BIOS.

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              • #8
                Originally posted by Figueiredo View Post
                It would be really great if Michael could maintain a dynamic feature table comparing all the available linux open and closed graphic drivers. Openbenchmarking does this for performance, but, as development is speeding up, it is really hard to know exactly which hardware features are supported on which driver.
                I think floating point textures/GL3 was disabled, since the specs in the article only mentioned GL2. But S2TC should have been available, since i think Ubuntu ships that by default.

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                • #9
                  Originally posted by Ericg View Post
                  Maybe I missed it... were the cards running dynpm, medium (default) or high frequencies?
                  The used frequencies are shown automatically by PTS (when debugfs is readable) in the system table, which are shown on the second page.
                  Michael Larabel
                  http://www.michaellarabel.com/

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                  • #10
                    Originally posted by smitty3268 View Post
                    I think floating point textures/GL3 was disabled, since the specs in the article only mentioned GL2. But S2TC should have been available, since i think Ubuntu ships that by default.
                    texture-float was passed when building Mesa and S2TC is present by default in Ubuntu (sure wish there was a way to automatically parse the Mesa build configuration of the resulting binaries; similar to gcc -v, so that the information could be presented...)
                    Michael Larabel
                    http://www.michaellarabel.com/

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