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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [HSW ULT bisected] Glbenchmark2.7.0 EgyptHDoffscreen performance reduce by 10%"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67062#c13">Comment # 13</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [HSW ULT bisected] Glbenchmark2.7.0 EgyptHDoffscreen performance reduce by 10%"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67062">bug 67062</a>
from <span class="vcard"><a class="email" href="mailto:ben@bwidawsk.net" title="Ben Widawsky <ben@bwidawsk.net>"> <span class="fn">Ben Widawsky</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=67062#c12">comment #12</a>)
<span class="quote">> To clarify: Mesa currently doesn't set any MOCS overrides for LLC/eLLC. It
> sets them to "Use the PTE values." (The recent MOCS additions only set L3
> cacheability, which is different and separate.)
>
> We're relying on the kernel to set everything to be LLC+eLLC WB-cacheable
> (or WT cacheable where appropriate). In the future, we may try some
> heuristics to play with ages, but it's hard to know what the right settings
> are, and there are no concrete plans currently.</span >
I was wondering about this. I can't find any mention of L3 + MOCS. Where did
you guys find this? Docs make be believe 01b is uncached.</pre>
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