Re: RPM i386 vs i686 performance

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Rodolfo J. Paiz wrote:

At 07:10 3/23/2004, you wrote:

Somebody have try do recompile all critical package (like gcc, gnome,
XFree) with best CPU type?


Yes, lots of people have tried. There is no real benefit in most cases.

What? Are you kidding? I've recompiled X, KDE and It's damn fast.
Memory optimization solved building custom kernel.
Now I have almost ZERO swap with 512MB after one day work.
I recommend all rebuilding kernel, X, and graphic client
with CFLAGS appropriate to your arch/processor type.

michal

Most packages are compiled with instructions that a 386 could understand, but they are *optimized* for a 686. So while you could get an improvemente by rebuilding all packages, it's likely to be small.

Note that the kernel, glibc, and other packages *are* provided in 686 versions since for those packages it does make a big difference.





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