Rog�rio Brito wrote:
>       Just another note: is XDarwin quite slow in full screen mode?

Yes. But it's even slower in rootless mode ;-) It uses the already slow 
quartz graphics routines without any hardware acceleration. You cannot 
do anything about it.
> 
>       Is it a configuration problem on my particular system or is it
>       an intrinsic problem with the way XDarwin works? BTW, I'm
>       using an iBook2, 600MHz, combo, 128MB of RAM, MacOS X 10.1.5.

You have very little memory for OSX. It is possible that in addition to 
the slow graphics performance of XDarwin, you are seeing the effect of 
swapping. You can see whether swapping happens by running "top" and 
looking if the "pageouts" value increases; also how many swapfiles are 
created in /var/vm. Again, you can't do much about it besides buying 
more memory.

>       I'm basing my comparison of speed on Linux with X and the same
>       programs (Emacs 20, latex, Window Maker) on the same system.
>       The iBook is quite a lot faster running Linux than running
>       MacOS X and I'd like to get a bit more of performance with
>       XDarwin, as I plan to use MacOS X more from now on.

You can hope that future versions will be faster, in particular with 
faster quartz implementations. When I run "x11perf -scroll500", I see 
that linuxppc is an incredibly 50 to 200 times (!) faster than XDarwin.
(This is on an iBook 466MHz; on a G4 with a faster graphics card the 
problem is less important).

-- 
Martin



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