Mailinglist Archive: opensuse (4547 mails)

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RE: [SLE] Why should I buy 64bit hardware ?
  • From: "Jerome R. Westrick" <jerry@xxxxxxxxxxxx>
  • Date: Mon, 03 May 2004 17:54:49 +0200
  • Message-id: <1083599689.19480.52.camel@xxxxxxxxxxxxxxxxxxxxxxxx>
On Mon, 2004-05-03 at 17:37, Richard Mixon (qwest) wrote:

> All great points, except your first. 64bit systems do not use twice as much memory as 32bit systems. Their internal registers are
> twice as large, and they pull from RAM 64bits at a time instead of 32 bits. That does not make them use twice as much memory.
>
> I run Opteron Java application servers. Our memory heap sizes are approximately the same as on our 32bit machines.
>
> - Richard

I stand Corrected...
and I'm glad to hear this...8-)

My only expirience with large bit address space was with the Dec-Alpha,
where "double the memory" was the "rule of thumb" we used....


Jerry



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