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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [bisected] R9 290 low performance in Linux 4.7"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97260#c37">Comment # 37</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [bisected] R9 290 low performance in Linux 4.7"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97260">bug 97260</a>
from <span class="vcard"><a class="email" href="mailto:Dieter@nuetzel-hh.de" title="Dieter Nützel <Dieter@nuetzel-hh.de>"> <span class="fn">Dieter Nützel</span></a>
</span></b>
<pre>Have a look at <a class="bz_bug_link
bz_status_NEW "
title="NEW - [SNB, BXT] up to 40% perf drop from "loader/dri3: Overhaul dri3_update_num_back" commit"
href="show_bug.cgi?id=97549">Bug 97549</a>, too.</pre>
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [bisected] R9 290 low performance in Linux 4.7"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97260#c38">Comment # 38</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [bisected] R9 290 low performance in Linux 4.7"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97260">bug 97260</a>
from <span class="vcard"><a class="email" href="mailto:Dieter@nuetzel-hh.de" title="Dieter Nützel <Dieter@nuetzel-hh.de>"> <span class="fn">Dieter Nützel</span></a>
</span></b>
<pre>I got regression wtih 1e3218b... (loader/dri3: Overhaul dri3_update_num_back)
on Turks XT/Ni 6670
for
glxgears: ~5600 fps -> ~2600 fps (~50%)
mesa-demos/objviever 'bobcat.obj': 1415 fps -> ~1300 fps (~8%)
and flickering with Blender 2.76b
'User Preferences...' -> 'Window Draw Method' 'Automatic'
Which is solvable by changing the 'Window Draw Method' to 'Triple Buffer'
and is an app bug like Michel Dänzer told in <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - Tahiti+DRI3+Unity+Blender corruption"
href="show_bug.cgi?id=97059">Bug 97059</a>.
All three are fine, again with 1e3218b reverted.</pre>
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [bisected] R9 290 low performance in Linux 4.7"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97260#c39">Comment # 39</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [bisected] R9 290 low performance in Linux 4.7"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97260">bug 97260</a>
from <span class="vcard"><a class="email" href="mailto:michel@daenzer.net" title="Michel Dänzer <michel@daenzer.net>"> <span class="fn">Michel Dänzer</span></a>
</span></b>
<pre>It would have been better to file new reports instead of adding comments here.
Anyway, please test the patch I attached to <a class="bz_bug_link
bz_status_NEW "
title="NEW - [SNB, BXT] up to 40% perf drop from "loader/dri3: Overhaul dri3_update_num_back" commit"
href="show_bug.cgi?id=97549">bug 97549</a>.</pre>
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