[gentoo-user] performance enhancement using x86_64-pc-linux-gnu?

[Richard Marzan]

Hello,


Today, I thought about changing the CHOST, even if it means performing
a fresh install, to the one in the subject line for performance
improvement. Am I wrong to assume that changing the CHOST to
x86_64-pc-linux-gnu and setting CFLAGS to athlon64 will offer faster
operation of apps? would it be sufficient to use i686-pc-linux-gnu as
the CHOST and use Athlon64 as the -march?

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Re: [gentoo-user] performance enhancement using x86_64-pc-linux-gnu?

[Hemmann, Volker Armin]

On Donnerstag, 20. Dezember 2007, Richard Marzan wrote:
 Hello,


   Today, I thought about changing the CHOST, even if it means performing
 a fresh install, to the one in the subject line for performance
 improvement. Am I wrong to assume that changing the CHOST to
 x86_64-pc-linux-gnu and setting CFLAGS to athlon64 will offer faster
 operation of apps? 

depends on the apps. My overall experience was positive but that my vary.


 would it be sufficient to use i686-pc-linux-gnu as 
 the CHOST and use Athlon64 as the -march?

no. i686 is 32bit.
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