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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#c14">Comment # 14</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:emil.l.velikov@gmail.com" title="Emil Velikov <emil.l.velikov@gmail.com>"> <span class="fn">Emil Velikov</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=83436#c12">comment #12</a>)
<span class="quote">> That happens with default ./autogen blah blah
>
> As i said earlier if i pass -mtune=native -march=native flags perf is
> normal, very weird and funny thing in the same time :D</span >
Unless you're provided --enable-debug mesa does mess around with the compiler
optimisation/debug options (-O* and -g*). And it never touches -mtune or
-march. Might be that the compiler is going for some different heuristics
before/after the commit causing substantially different code to be generated ?</pre>
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