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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - R9285 Unigine Valley perf regression since radeonsi: use re-Z"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94354">94354</a>
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<th>Summary</th>
<td>R9285 Unigine Valley perf regression since radeonsi: use re-Z
</td>
</tr>
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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>
</tr>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>Drivers/Gallium/radeonsi
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>adf.lists@gmail.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>dri-devel@lists.freedesktop.org
</td>
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<div>
<pre>Haven't tested other apps/settings, but on R9285 Unigine Valley on highest
settings, 8x AA, 1920x1080 fullscreen is slower after
d0f3b524cdb8489a6872ba3639a13813de221fc2
radeonsi: use re-Z
This can increase perf for shaders that kill pixels (kill, alpha-test,
alpha-to-coverage).
Before
FPS: 27.2
Score: 1139
Min FPS: 13.5
Max FPS: 52.0
After
FPS: 22.6
Score: 946
Min FPS: 11.7
Max FPS: 47.1</pre>
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