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Dota 2 Vulkan Performance Across MacOS, Windows 10 & Linux

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  • Dota 2 Vulkan Performance Across MacOS, Windows 10 & Linux

    Phoronix: Dota 2 Vulkan Performance Across MacOS, Windows 10 & Linux

    Last week Valve released their long-awaited Vulkan renderer for Dota 2 on macOS by making use of the MoltenVK driver they facilitated its open-sourcing of earlier in the year for bringing Vulkan to macOS/iOS via this wrapper layer to map Vulkan calls to Apple Metal drivers. The initial benchmarks of Vulkan'ized Dota 2 on Mac were quite compelling while for your viewing pleasure today are some additional data points.

    http://www.phoronix.com/vr.php?view=26403

  • #2
    Typo:

    Originally posted by phoronix View Post

    OpenGL and VulkanL
    It is not mentioned, but I have a test request. Power usage under idle and work by using WattsUp.
    Last edited by tildearrow; 06-05-2018, 01:41 PM.

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    • #3
      Doesn't macOS NOT support Vulkan?
      What kind of sorcery is this?

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      • #4
        Originally posted by nomadewolf View Post
        Doesn't macOS NOT support Vulkan?
        What kind of sorcery is this?
        MoltenVK which Valve basically bought and open sourced. It allows Vulkan to be run over Metal.

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        • #5
          Originally posted by nomadewolf View Post
          Doesn't macOS NOT support Vulkan?
          What kind of sorcery is this?
          As covered in several articles, the MoltenVK library used by Dota 2 (and others) allows using a majority of the Vulkan API that then maps to using the Metal drivers.

          MoltenVK has been in development for years but thanks to Valve (presumably financial incentive) it was open-sourced earlier this year.
          Michael Larabel
          http://www.michaellarabel.com/

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          • #6
            Originally posted by bosjc View Post

            MoltenVK which Valve basically bought and open sourced. It allows Vulkan to be run over Metal.
            Wow!
            I knew about MoltenVK.
            But i never expected to have games running on it so soon...

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            • #7
              Originally posted by nomadewolf View Post

              Wow!
              I knew about MoltenVK.
              But i never expected to have games running on it so soon...
              See from the announcement in February: https://www.phoronix.com/scan.php?pa...n-on-mac&num=1
              Michael Larabel
              http://www.michaellarabel.com/

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              • #8
                Originally posted by Michael View Post
                See from the announcement in February: https://www.phoronix.com/scan.php?pa...n-on-mac&num=1
                I thought MoltenVK was avaliable the same way Wayland has surpassed 1.0 or the same way we have Open Source nvidia drivers...
                Good to be wrong!

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                • #9
                  Yep, this Dota2 on Vulkan on mac OSX did come faster than expected. It's an important signal to the rest of the dev community that MoltenVK is viable.

                  I guess Valve started working on it some time back back as a POC, in order to check how effective moltenVK is. Based on that positive experience they probably decided we need to pay off these guys to open source it.

                  Performance looks good. At 1080p it's within 10% of ubuntu's native Vulkan performance.

                  now that it is out in the open with more contributions coming in I guess it will only get better in terms of features and performance.

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                  • #10
                    My gosh is OpenGL on macOS absolute garbage. Apple PR makes it seem like it's just the nature of API to suck but really it's their Mac driver's implementation of it that's piss poor.

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