Upgrading from 32 bit to 64 bit

[Waldher, Travis R]

> -----Original Message-----
> From: Rick Stevens [mailto:rstevens at vitalstream.com] 
> Sent: Thursday, September 07, 2006 1:47 PM
> To: Getting started with Red Hat Linux
> Subject: Re: Upgrading from 32 bit to 64 bit
>
> > On Thu, 2006-09-07 at 10:32 -0700, Waldher, Travis R wrote:
> > What is involved for Redhat AS 4.0?
> > 
> > The system was initially built 32bit, but some users would like it
> > running in 64.
> > 
> > Is it as simple as loading a different kernel? :fingerscrossed:
>
> Well, yeah, but most of your applications won't be accelerated that
> much.  A full 64-bit system will have most of the utilities (/bin,
> /sbin, /usr/bin, /usr/sbin, etc.) built with 64-bit as well as having
> full 64-bit libraries (/usr/lib64 as well as /usr/lib).

Ok, so the only safe and reliable way for compilation work to get a
performance gain will be to do a rebuild of the system.  Correct?

If so, I was afraid of that...