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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [IVB/HSW] ubuntu 13.10 v.s. Fedora19: cairo-traces/ocitysmap.trace reduced by ~60%"
href="https://bugs.freedesktop.org/show_bug.cgi?id=72105">72105</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
<tr>
<th>Summary</th>
<td>[IVB/HSW] ubuntu 13.10 v.s. Fedora19: cairo-traces/ocitysmap.trace reduced by ~60%
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>cairo-bugs@cairographics.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jianx.zhou@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>xlib backend
</td>
</tr>
<tr>
<th>Product</th>
<td>cairo
</td>
</tr></table>
<p>
<div>
<pre>System Environment:
----------------------------------------------------------------------
Platform: IVB/HSW desktop (Ubuntu13.10 v.s Fedora19)
Libdrm:(master)libdrm-2.4.49-2-gc3d96897de647bd5f6d4802c1
Mesa:(master)6b2b4cc8857a9163055c4e9c8007d53a9e668e75
Xf86_video_intel:(master)2.99.906-51-g80d1dee70ba3bdf38
Cairo:(master)31eff5c6eb57ad379689748fd8c60a5ffe0ba481
Libva:(staging)9aa8530ce272dc844428b7273afe7d4f0aaf391d
Libva_intel_driver:(staging)34627c96f331f7a344270c
Kernel:(drm-intel-nightly) 164a4cb4c1431a0689f855
Bug detailed description:
------------------------------------------------------------------------
Ubuntu 13.10 v.s. Fedora19, cairo-trace/ocitysmap.trace reduced by 60% on
IVB/HSW with the same driver. But cairo-traces/xfce4-terminal-a1.trace improved
by ~90% on IVB/HSW.
Ubuntu 13.10 v.s. Fedora 19, there are some subcases also reduced by ~20% only
on HSW.
gnome-system-monitor.trace -26.39%
gnome-terminal-vim.trace -24.51%
Reproduce steps:
--------------------------------------------------------------------
1. xinit&
2.vblank_mode=0 CAIRO_TEST_TARGET=xlib perf/cairo-perf-trace -i 12
/home/cairo-traces/benchmark/ocitysmap.trace</pre>
</div>
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