Is 64 bit Fedora OK? With which CPU?

[Les Mikesell]

On Sun, 2006-01-01 at 16:15, Dave Jones wrote:
>  > 
>  > You should base that decision on price/performance.  You always
>  > have the option of running the 32-bit OS on a 64 bit CPU if
>  > you want.  You probably won't see a big performance difference
>  > anyway unless you have more than 4 gigs of RAM.
> 
> not necessarily true. The x86-64 architecture brings a bunch
> of additional features/optimisations in addition to an enlarged
> address space.

Most of the things I notice being slow these days are waiting
for disk or network I/O anyway, but are there benchmarks available
for some 32 vs. 64 bit applications on the same hardware?

-- 
  Les Mikesell
    lesmikesell at gmail.com