[Bug 23085] Radeon KMS: XGetImage very slow, as is Firefox scrolling

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Aug 7 07:35:02 PDT 2009


--- Comment #17 from Joel Feiner <jafeiner at gmail.com>  2009-08-07 07:35:01 PST ---
I rebuilt from Git this morning and the scrolling problem has been much reduced
(it is about as fast as before).  I saw that there were commits to fix a few
issues in the DFS hook and add the UTS hook.  One of those two seemed to help.

Getimage performance is still on the low side, with:
-getimage500: 30/sec
-getimage100: 770/sec (is usually around 5000/sec)

And (shm)putimage is also pretty low compared to what I usually get:
-putimage500: 80/sec (is usually around 150/sec)
-shmput500: 91/sec (is usually around 400/sec)

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