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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - 4-27% performance drop in Vulkan benchmarks"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109216#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - 4-27% performance drop in Vulkan benchmarks"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109216">bug 109216</a>
from <span class="vcard"><a class="email" href="mailto:lionel.g.landwerlin@linux.intel.com" title="Lionel Landwerlin <lionel.g.landwerlin@linux.intel.com>"> <span class="fn">Lionel Landwerlin</span></a>
</span></b>
<pre>(In reply to Eero Tamminen from <a href="show_bug.cgi?id=109216#c2">comment #2</a>)
<span class="quote">> (In reply to Lionel Landwerlin from <a href="show_bug.cgi?id=109216#c1">comment #1</a>)
> > Ian: I wonder if that could be a result of this series :
> > <a href="https://gitlab.freedesktop.org/mesa/mesa/merge_requests/9">https://gitlab.freedesktop.org/mesa/mesa/merge_requests/9</a>
>
> This series doesn't seem Vulkan specific.
>
> There was no drop in GL or GLES version of Aztec Ruins, only in Vulkan
> version of AztecRuins (*). And no drop in other GL benchmarks, so I think
> the regression is Vulkan specific.
>
> (*) While Vulkan version runs windowed (because GfxBench doesn't seem to
> support fullscreen for Vulkan), and GL & GLES versions are fullscreen, I
> don't think that test being windowed is relevant because:
> - the other regressing Vulkan tests are fullscreen
> - AztecRuins has low FPS
>
> Were you able to reproduce e.g. Deferred Multisampling Vulkan demo drop?</span >
Yep, bisecting now just to verify.</pre>
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