[ILUG] 64bit Distro

[Pádraig Brady]

David Golden wrote:

>They are [almost] totally instruction-set compatible*.   They are, 
>however, still quite different CPUs, so  it can make some sense for 
>some packages to come in differently optimised variants,  and certain
>"missing" features of current EM64T chips relative to AMD chips mean 
>the kernel has to do some stuff less efficiently (I/O is Just Better on 
>AMD chips).
>
>* see:
>http://en.wikipedia.org/wiki/EM64T#Differences_between_AMD64_and_EM64T
>  
>

I understand that AMD are better at running code optimized for Intel CPUs
than vice versa, therefore for example fedora 64 bit is optimized for
intels version.

Pádraig.