[Bug 71523] [IVB/HSW/BYT-M bisected] lightsmark v2008 performance reduced ~30%

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71523

--- Comment #4 from Ian Romanick <idr at freedesktop.org> ---
(In reply to comment #3)
> Verified it with Mesa git-45a56ce39.

Can you bisect that?  I don't see anything in the range a594cec..45a56ce39. 
The only thing that worries me more than unexplained bugs is unexplained fixes.
:(

Also, is the original performance drop reproducible on the 10.0 branch?

Did the kernel change at any point?

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