[Bug 67062] [HSW ULT bisected] Glbenchmark2.7.0 EgyptHDoffscreen performance reduce by 10%

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67062

--- Comment #13 from Ben Widawsky <ben at bwidawsk.net> ---
(In reply to comment #12)
> 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.

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.

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