radeon EXA performance questions

Simon Thum simon.thum at gmx.de
Fri Aug 8 01:26:24 PDT 2008

Owen Taylor wrote:
> On Tue, 2008-08-05 at 08:41 +0200, Michel Dänzer wrote:
>> Most of it was in libc, i.e. the memcpy for copying data from video RAM
>> to system RAM for GetImage. Enabling the DRI and AccelDFS should most
>> likely reduce that somewhat, but of course you're right that this may
>> not necessarily improve things otherwise. We'll have to see. :)
> As noted in my other mail, I think my "native widget rendering"
> hypothesis was likely wrong given the Firefox version. So, not really
> sure what was going on... GetImage for large areas of the screen should
> be pretty rare.
It seems I've got DRI up now, and it's really much better. Still lot of 
(exa)GetImage and memcpy(), but it's no longer dominating the scene.

Thanks a lot for the help!



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