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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Bad performance with primusrun since Mesa 10.5.5"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90791">90791</a>
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<th>Summary</th>
<td>Bad performance with primusrun since Mesa 10.5.5
</td>
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<th>Product</th>
<td>Mesa
</td>
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<th>Version</th>
<td>10.6
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<th>Hardware</th>
<td>x86-64 (AMD64)
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<th>OS</th>
<td>Linux (All)
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>major
</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>idr@freedesktop.org
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<th>Reporter</th>
<td>anakin.cs@gmail.com
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<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
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<div>
<pre>Since Mesa 10.5.5 I am getting a quite bad performance with primusrun on my
laptop to make use of the Nvidia card.
I've tested on CS GO and CS 1.6.
On CS GO, I used to have around 130 FPS, now I have around 80-90 FPS with drops
below 60 which cause some stutters/mouse lag.
On CS 1.6, I have around 80-90 FPS with the nvidia card and 150+ with the intel
card, so there is definitely a problem.
Here is the bug report on primus bug tracker:
<a href="https://github.com/amonakov/primus/issues/170">https://github.com/amonakov/primus/issues/170</a>
Setting PRIMUS_UPLOAD to 1 seem to boost the performance, but not as much as
before. Here is what the primus doc says:
"0: autodetect, 1: textures, 2: PBO/glDrawPixels (needs Mesa-10.1+)"
This *may* be related to this commit:
<a href="http://cgit.freedesktop.org/mesa/mesa/commit/?id=716b5f7cbe9cb7611d593f170a98facef58e3d0a">http://cgit.freedesktop.org/mesa/mesa/commit/?id=716b5f7cbe9cb7611d593f170a98facef58e3d0a</a>
I have a Intel Core i7 4702MQ CPU.</pre>
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