1.4 -> 1.5.1 performance regressions

Michel Dänzer michel at tungstengraphics.com
Thu Oct 9 02:41:21 PDT 2008


On Thu, 2008-10-09 at 11:35 +0200, Fabio wrote:
> > On Thu, 2008-10-09 at 11:02 +0200, Fabio wrote:
> > > 
> > > I noticed some performance regression moving to a newer system with Xserver
> > > 1.5.1 from an 1.4 system with both XAA and EXA.
> > 
> > Can you try current Git server-1.5-branch? Adam Jackson just backported
> > the reduction of dixLookupPrivate() overhead, which is used extensively
> > by the EXA core at least. If there are still regressions with EXA, I'd
> > be interested in sysprof/oprofile data separately for each regressed
> > case.
> 
> I can't update at the moment (I am using prebuilt packages from Ubuntu). Can you point the fix? I don't see it at:
> http://cgit.freedesktop.org/xorg/xserver/log/?h=server-1.5-branch

http://cgit.freedesktop.org/xorg/xserver/commit/?h=server-1.5-branch&id=8ef37c194fa08d3911095299413a42a01162b078


-- 
Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer




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