Subject: Re: Porting to IBM Risc 6000
To: Jochen Kunz <jkunz@unixag-kl.fh-kl.de>
From: Matt Thomas <matt@3am-software.com>
List: port-powerpc
Date: 08/13/2002 22:24:49
At 04:03 PM 8/13/2002, Jochen Kunz wrote:
>On 2002.08.13 20:21 Matt Thomas wrote:
>
>[32 bit userland]
> > Yes it would.  But one advantage to this is that 32-bit programs
> > are usually smaller and use less memory than their 64-bit
> > counterparts.
>The one and only 64 bit arch I got my hands on so far is Alpha and AFAIK
>Alpha is a "true" 64 bit only arch. I was quite surprised how memory
>hungry an Alpha is. I am used to VAXen. 128 MB RAM is huge for a VAX,
>but a breakfast for an Alpha.

Note that WINNT for Alpha ran 32bit apps.  Most 64bit architecture
can run 32bit apps.  It just a matter of emitting the right instructions.


-- 
Matt Thomas               Internet:   matt@3am-software.com
3am Software Foundry      WWW URL:    http://www.3am-software.com/bio/matt/
Cupertino, CA             Disclaimer: I avow all knowledge of this message