[Bug 26225] Firefox slow with accel, fast with noaccel

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Jan 25 13:28:54 PST 2010


--- Comment #1 from Clemens Eisserer <linuxhippy at gmail.com>  2010-01-25 13:28:53 PST ---
Could it be radeon does call pixman_rasterize_edges on an memory-area which is
not cached? pixman_rasterize_edges does a lot of read-modify-write, so that
could probably the source of some performance problems. (at least it was in the
intel-driver when they switched to GEM).

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