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Re: All packages i686 better performance than i386? [was RE: Ki ckstart-list digest, Vol 1 #359 - 13 msgs]



> > Many thanks for this help.
> > Do you know if this also works if you replace i386 packages with
> > recompiled i686 ones? If so has anyone actually benchmarked a system
> > with a standard install vs the same packages recomiled to i686. 
> > The reason I ask is that my requirement for linux is for intensive
> > number crunching and so to get a 5% to 10% performance 
> > increase would be
> > sufficient justification for recompiling - on the other hand 
> > no good if
> > you can't kickstart from it.
> > cheers
> >  
I think redhat only uses CPU specific rpms for the kernel and glibc.
That seems to get most of the gain you would get for CPU specific compiles.

Chuck





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