I would have to think that unless a particular guest needs 64-bit, that it
would be better overall to run with 31-bits.  I would have to think that
there would be at least a slight performance hit to run a 64-bit system,
even if it was "small."

Mark Post

-----Original Message-----
From: Lucius, Leland [mailto:[EMAIL PROTECTED]
Sent: Saturday, July 12, 2003 6:33 PM
To: [EMAIL PROTECTED]
Subject: Probly a stoopid ?, but what's "better"...31-bit or 64-bit?


One of the first things we told when we setup our guests under VM is to give
the guest only as much memory as it needs which is usually quite small.  If
that's so then not even a 31-bit address space will be needed.

So, why not run 31-bit Linux guests?  Does it matter one way or the other?
Are there performance differences?

I know, probably really stupid questions.  Just popped into a sleepy brain
after a big meal...

Leland

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