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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#c5">Comment # 5</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:eero.t.tamminen@intel.com" title="Eero Tamminen <eero.t.tamminen@intel.com>"> <span class="fn">Eero Tamminen</span></a>
</span></b>
<pre>(In reply to Lionel Landwerlin from <a href="show_bug.cgi?id=109216#c4">comment #4</a>)
<span class="quote">> commit 8fb8ebfbb05d3323481c8ba6d320b3a3580bad99
> Author: Ian Romanick <<a href="mailto:ian.d.romanick@intel.com">ian.d.romanick@intel.com</a>>
> Date: Tue May 22 18:56:41 2018 -0700
>
> intel/compiler: More peephole select
>
> Shader-db results:
>
> The one shader hurt for instructions is a compute shader that had both
> spills and fills hurt.</span >
I think shaders in Sacha Willems' Vulkan demos would also need to be added to
shader-db. According to INTEL_DEBUG output, Deferred Multisampling demo
doesn't have any compute shaders or spills/fills, and it regressed most.</pre>
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