[Bug 84501] [IVB/BYT/HSW Bisected]Synmark2_DrvCtx performance reduced 50%~80%

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84501

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
>From a first glance, it would be just be the cost of allocating so many
contexts and ppgtt that we are causing eviction storms.

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