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Subject: Re: 64-bit speedup

Author: Vincent Diepeveen

Date: 05:14:01 02/28/04

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On February 28, 2004 at 08:09:23, Dan Andersson wrote:

> I was under the impression the Pathscale 64 bit Opteron compiler was still
>beta. I haven't heard it had changed the last month. It is up to each and
>everyone to decide if it is cost effective to pay to betatest, though.
>
>MvH Dan Andersson

Everything for AMD64 is officially 'beta' until intel releases and mass produces
64 bits processors. At the day intel shows publicly tests from their 64 bits
x86-64 cpu, windows will release windows64 bits for x86-64. Oh wait officially
not even that.

Officially it 'by accident' runs both at x86-64 cpu's and also at intel 64 bits
cpu's which are 'compatible'.

Officially for the public intel doesn't support x86-64, as it has 1 extra
instruction. I will not submit opinions about the goal of that extra
instruction, but you should be able to deduce it.

It's one big wintel show again.

And until then everything that runs great at the A64/Opteron is called 'beta'.

Beta is just the name for it, not the reality therefore.



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