[Bug 67157] [Piketon bisected] x11perf –aa10text performance reduced by ~37% enabling SNA

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Jul 23 01:33:01 PDT 2013


https://bugs.freedesktop.org/show_bug.cgi?id=67157

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #5 from Chris Wilson <chris at chris-wilson.co.uk> ---
This should eliminate more of the flushes:

commit 74dd10d252df2d826b6db5da7e53bd7c5d76dec0
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Tue Jul 23 09:37:15 2013 +0100

    sna/gen5: The cached value of the pipelined pointers key requires 32-bits

    Storing only the low 16-bits of the key for the pipelined state meant
    that we forced an update with every new drawing op - with the side
    effect of flushing the render cache.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67157
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Can you please remeasure?

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