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See How Your Linux PC Compares To The Core i7 5775C With Iris 6200 Graphics

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  • See How Your Linux PC Compares To The Core i7 5775C With Iris 6200 Graphics

    Phoronix: See How Your Linux PC Compares To The Core i7 5775C With Iris 6200 Graphics

    Now that I seem to have found a workaround for my Core i7 5775C Broadwell Linux issue that resulted in very frequent kernel panics, it's off to the benchmark races. Here are some preliminary Linux benchmark figures for this first socketed Intel Broadwell LGA-1150 desktop CPU with Iris 6200 graphics...

    http://www.phoronix.com/scan.php?pag...C-Linux-Starts

  • #2
    Very nice GPU results ... waiting for openarena bandwidth test

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    • #3
      can you include x265 encoding tests

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      • #4
        Aren't the benchmarks "tainted" a bit because of lack of turbo?
        EDIT: I guess that's why Michael ordered another mobo. Hopefully, it runs at full frequency on the MSI.
        Last edited by DanL; 06 July 2015, 06:35 AM.

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        • #5
          Sorry for my any ignorance but won't be there a iGPU throttling due to CPU cores running at full speed and their heat generation?

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          • #6
            I don't think so, if you disable EIST then you can not use any dynamic frequency changes. Turbo boost is not enabled but there should be no power limit active that would lead to throtteling. Maybe you need a well designed PSU for Broadwell to make EIST work.

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            • #7
              Originally posted by DanL View Post
              Aren't the benchmarks "tainted" a bit because of lack of turbo?
              EDIT: I guess that's why Michael ordered another mobo. Hopefully, it runs at full frequency on the MSI.
              With this OC Fixed Mode I believe it was running at Turbo the full time, especially given that the P-State driver was reporting 3.7GHz freq.
              Michael Larabel
              https://www.michaellarabel.com/

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              • #8
                Hi, I'm new to the test suit and I ran the test you posted to compare the result against my 6870 (which I bought a bit ago because of the opensource driver performance which I followed on this site).

                http://openbenchmarking.org/result/1...BE-1507057BE40

                The results make me feel like vsync is on? How can I remedy this?

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                • #9
                  Originally posted by mhartman1985 View Post
                  Hi, I'm new to the test suit and I ran the test you posted to compare the result against my 6870 (which I bought a bit ago because of the opensource driver performance which I followed on this site).

                  http://openbenchmarking.org/result/1...BE-1507057BE40

                  The results make me feel like vsync is on? How can I remedy this?
                  With the open-source Radeon driver, you need to set the SwapBuffersWait to 0 in your xorg.conf/xorg.conf.d. PTS already sets vblank_mode=0, etc, but for open-source Radeon unfortunately need to modify the xorg.conf and reboot.
                  Michael Larabel
                  https://www.michaellarabel.com/

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                  • #10
                    I have had vsync problems with radeon too and it was a pain to find out why. The docs sound vague when you are not already familiar with Xorg configuration. Michael I think it would be helpful if you could post a sample of your config files with your benchmark articles, even if only here at the forums and not on the articles themselves, so we can more easily reproduce the tests under the exact same circumstances.

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