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Re: athlon configuration impossibilty


From: Aaron Lehmann
Subject: Re: athlon configuration impossibilty
Date: Sun, 14 Oct 2001 10:22:58 -0700
User-agent: Mutt/1.3.20i

On Sun, Oct 14, 2001 at 01:52:59PM +0200, Torbjorn Granlund wrote:
> Aaron Lehmann <address@hidden> writes:
> 
>   Running ./configure --target=athlon-pc-linux-gnu will result in the p6
>   functions being used, because config.sub remaps athlon-* to i686-...
>   
> Really?  Using what GMP version?

Oh, I was looking at 3.1.1 from the Debian packages. It looks like
they patched config.{sub,guess} and replaced them with newer versions.
That would explain it.

BTW, preliminary analysis suggests that using gcc 3.0.2-pre makes the
library much slower than with gcc 2.95.4-pre. I'll see if I can get
more conclusive results. My tested consisted of running 'primes', and
it took a lot more CPU time when gmp was compiled with gcc 3.x.

However, I may have messed up some of the CFLAGS inadvertently, so I
will try to verify these results and present benchmarks.



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