[sclug] Comet Quad core offering - cheap high street commoditisation of computers

Alex Butcher lug at assursys.co.uk
Mon Mar 17 18:05:24 UTC 2008

On Mon, 17 Mar 2008, Will Dickson wrote:

> Alex Butcher wrote:
>> b) Because very few end-users have the need for processes to grow to be 
>> more
>> than 3GB in size (and very few systems will have more than 3GB RAM anyway).
> AIUI 64-bit mode also enables various additional registers and other goodies, 
> so if you're doing number crunching then 64-bit mode should give you better 
> performance even if you don't need lots-o-RAM.

On the other hand, the new instructions are longer, and addresses are longer
too, so you'll need both more memory and more memory bandwidth...

> Will.

Best Regards,
Alex Butcher, Bristol UK.                           PGP/GnuPG ID:0x5010dbff

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