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RADV vs. AMDVLK vs. Radeon Software Vulkan Driver Performance - October 2018 Linux Gaming

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  • M@yeulC
    replied
    I wonder if RADV could use the proprietary shader compiler, as this would make some interesting comparisons possible.

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  • humbug
    replied
    Proprietary driver rocks performance wise. In general Vega has a reputation of not delivering on Linux (compared to it's windows performance). Seems like the proprietary driver goes some way in alleviating that.

    Those extremely bad vkmark numbers for RadV on vega: is it some application specific quirk or is it exposing some weakness in RadV?

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  • shmerl
    replied
    radv for Vega has some room for improvement still.

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  • Michael
    replied
    Originally posted by hakzsam View Post
    phoronix The RoTR hang on Vega is unexpected. I can't reproduce it locally. Can you give me more info? like mesa/llvm sha1? This is likely a recent regression . Thanks!
    I don't have the SHA1 handy as unfortunately the Oibaf PPA build doesn't get it included in the version string and that box is running some other tests at the moment, but have you tried Mesa 18.3 specifically against Linux 4.19+? From some other tests, it seems to happen just on Linux 4.19 (and -next I think still) with RADV.

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  • Strunkenbold
    replied
    LLVM is definitely missing some serious optimizations for those Vega cards. Wondering if the same optimizations that boost Vulkan performance could give a boost to OpenGL applications too.
    But highest priority should be to fix those hangs with Tomb Raider first. There are also some serious issues with GPU hangs under DXVK.

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  • hakzsam
    replied
    phoronix The RoTR hang on Vega is unexpected. I can't reproduce it locally. Can you give me more info? like mesa/llvm sha1? This is likely a recent regression . Thanks!

    Leave a comment:


  • valici
    replied
    That sweet closed source shader compiler.

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  • andre30correia
    replied
    Good results with RADV, no need to use the others in most case, I only miss something here, using stable drivers of RADV maybe they are no crashes with stable mesa and llvm

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  • RADV vs. AMDVLK vs. Radeon Software Vulkan Driver Performance - October 2018 Linux Gaming

    Phoronix: RADV vs. AMDVLK vs. Radeon Software Vulkan Driver Performance - October 2018 Linux Gaming

    Given AMD's weekly updating of the public AMDVLK Vulkan driver source tree as their official open-source Vulkan Linux driver while RADV continues to be maintained as the popular open-source Radeon Vulkan driver within the Mesa source tree, here is a fresh look at how those competing drivers perform. Additionally there are the results from Radeon Software / AMDGPU-PRO using its closed-source Vulkan driver that is derived from the same sources as AMDVLK but built against AMD's proprietary shader compiler.

    http://www.phoronix.com/vr.php?view=26932
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