Re: [Hampshire] 64 bit v 32 bit on Ubuntu

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Author: Hugo Mills
Date:  
To: Hampshire LUG Discussion List
Subject: Re: [Hampshire] 64 bit v 32 bit on Ubuntu

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On Mon, May 07, 2007 at 11:18:29AM +0100, Rob Malpass wrote:
> Am I right in saying that a 64 bit processor can run in 32 bit mode?
> I have a Semrpon 3000+ which seems to run both Ubuntu 32-bit and
> 64-bit (from live CD). I have a stable 32-bit installation on its
> hdd - but if I'm only using half of its power, I'll gladly install
> the 64-bit version.


Correct, you can run a full 32-bit system on a 64-bit machine. A
64-bit system would be up to 30% faster for some things (mostly
multimedia processing), and a bit slower on some others (things
handling lots of pointers).

Hugo.

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=== Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk ===
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