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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GEN9+] 3-7% perf drop in SynMark2 v7 CSDof"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110745">110745</a>
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<th>Summary</th>
<td>[GEN9+] 3-7% perf drop in SynMark2 v7 CSDof
</td>
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<th>Product</th>
<td>Mesa
</td>
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<th>Version</th>
<td>git
</td>
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>Drivers/DRI/i965
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<th>Assignee</th>
<td>intel-3d-bugs@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>eero.t.tamminen@intel.com
</td>
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<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
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<p>
<div>
<pre>Mesa performance in SynMark2 v7 CSDof test dropped 3-7% on all our GEN9
devices.
Setup:
- Ubuntu 18.04
- Unity / compiz desktop
- Mesa from git
- X server and drm-tip kernel from git within last 1-2 months, with modifier
support enabled
- FullHD monitor
Test-case:
- synmark2 OglCSDof
(configured to run in fullscreen FullHD resolution.)
Regression happened between following commits:
* 2019-05-14 16:23:12 e81392868e: iris/resource: Drop redundant checks for aux
support
* 2019-05-15 04:34:49 a9cef4f0e5: gallium: Add default check for
PIPE_CAP_FRAGMENT_SHADER_INTERLOCK
Notes:
* There are a lot of compiler changes between these dates
* Only CSDof test performance changed, and only on GEN9 devices (not on GEN7-8
ones)</pre>
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