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Re: [Cooker] EXA is much slower than XAA

Colin Guthrie

2008-06-18

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Vincent Panel wrote:
> For people who own intel graphic cards, an interesting news. First,
> the background : intel graphic card driver is using EXA by default

Not in our packages:

http://svn.mandriva.com/cgi-bin/viewvc.cgi/packages/cooker/x11-driver-video-intel/current/SOURCES/0004-Revert-Default-to-EXA.patch?revision=189353&view=markup


> which is supposed to be better, but in fact, is much slower than XAA.
> That's the reason why Mandriva patched the "system" (xorg.conf) so
> that XAA is used instead of EXA.

No it's the reason we patched the source ;) The XAA, EXA thing in
drakxtools actually came afterwards IIRC (I don't think it was visible
on intel h/w before then).

> Fedora 9 seems to include an enhanced version of the driver which
> makes EXA competitive once again with XAA in terms of performances.
> Would be nice to integrate those patches as well in Mandriva Cooker
> and then decide (based on QA and cookerians tests) if we switch to EXA
> or XAA by default.

I've just pushed the latest version of the intel driver today I would
have hoped that Fedora woudl have pushed their patches upstream but I
will take a look :)

> More information starting at comment #30 of this (intel) bug :
> http://bugs.freedesktop.org/show_bug.cgi?id=13389#c30

FWIW, you shoudl have put intel in the subject as EXA and XAA are not
unique to Intel :)

Col



--

+--------------------------+
|    Colin Guthrie     |
+--------------------------+
| cguthrie(at)mandriva.org |
| http://colin.guthr.ie/ |
+--------------------------+
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