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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Sudden framerate drops in multiple games"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83436#c27">Comment # 27</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Sudden framerate drops in multiple games"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83436">bug 83436</a>
from <span class="vcard"><a class="email" href="mailto:smoki00790@gmail.com" title="smoki <smoki00790@gmail.com>"> <span class="fn">smoki</span></a>
</span></b>
<pre> OpenJK even with -O0 is ~2.5x times faster then -O2 -mtune=generic :)
Anyway, just found code example from <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [IVB regression] glTexSubImage2D performance"
href="show_bug.cgi?id=83442">bug 83442</a> is useful here too, so maybe
more people can easely test if they are affected.
32bit on commit 37d43ebb28ce8be38f3d9b0805b8b14354ce786d:
-mtune=generic 4-7ms
-mtune=native 6-10ms
-O0 6-10ms
32bit current git:
-mtune=generic 197-200ms
-mtune=native 5-8ms</pre>
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