Rich Teer wrote:
> Thanks for the info, I might just do that (or, just install b61 and
> be done with it).  I guess on amd64, the 64-bit X server has better
> performance than the 32-bit one?

Overall Xmarks only went up about 5%, but Xmarks are a highly obsolete
benchmark anyway (1-bit only graphics, far more arc/ellipse drawing and less
image passing than current desktops, no anti-aliased text/alpha blending).
Some operations went up a lot more - others not so much, or even decreased.
Unfortunately, I don't have a better benchmark to point to.

The address space was as much motivation as the performance though - with
512mb cards common, 1gb cards appearing on the market today, and trends
showing the growth continuing, we need more than 32-bits to address video
card memory on multi-head systems, and maybe in a few years even on
single card systems.    And allowing pixmap hungry apps to store more
pixmaps server-side, even if they're in system RAM instead of video RAM,
can be a win for some setups.

-- 
        -Alan Coopersmith-           alan.coopersmith at sun.com
         Sun Microsystems, Inc. - X Window System Engineering


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