RE: AMD64

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Author: Earl, Alex C
Date:  
To: plug-discuss
Subject: RE: AMD64
Well, I guess we have all seen that I am off my rocker...

Alex


> -----Original Message-----
> From:

[mailto:plug-discuss-
> ] On Behalf Of Bryce C
> Sent: Friday, April 16, 2004 4:11 PM
> To: PLUG
> Subject: RE: AMD64
>
> That is incorrect. AMD's Opteron line is targeted for server use. The
> Athlon64 is Opteron's little brother, aimed at the desktop market.
>
> On Fri, 2004-04-16 at 08:35, Earl, Alex C wrote:
> > This is the problem with communicating over text methods, I didn't

mean
> > to diminish the AMD64 bit processor, I was trying to examine the
> > difference between the Opteron and the Itanium. We must also qualify
> > here that Opteron is geared towards desktop users, whereas Itanium

is
> > geared towards server usage. In some respects it is like comparing
> > apples and oranges, some not. My main point was that the 64-bit
> > instruction set that Itanium uses is different from the 64-bit
> > instructions set that Opteron uses. I don't know how I got on the

topic,
> > but there you go.
> >
> > Alex
> >
> > > -----Original Message-----
> > > From:
> > [mailto:plug-discuss-
> > > ] On Behalf Of plug
> > > Sent: Friday, April 16, 2004 8:45 AM
> > > To:
> > > Subject: RE: AMD64
> > >
> > > What I was getting at is that the Opteron is a "true" 64-bit
> > processor,
> > > just as the Itanium is a "true" 64-bit processor. The Opteron has

a
> > > full 64-bit mode of operation, along with various compatibility

modes.
> > > The Itanium only operates in 64-bit mode, and must emulate 32-bit
> > > execution, if I am not mistaken. I just thought it was funny that

a
> > guy
> > > with an intel.com address said something about how AMD64

processors
> > are
> > > "just a 64-bit extension set to the IA32 architecture" as though

it
> > > makes the Opteron any less of a 64-bit processor. AMD is taking

the
> > > same approach that Intel took from 16 to 32-bit processing, with

their
> > > move from 32 to 64-bit processing. And in fact, Intel is

apparently
> > > going to take the exact same approach to the move from 32-bit to
> > 64-bit,
> > > themselves.
> > >
> > > The preceding has been my opinion and understanding of the facts,
> > please
> > > let me know if I am mistaken...
> > > -Erik
> > >
> > > >>> 04/16/04 7:08 AM >>>
> > > That is what I understood as well, perhaps I am wrong. I do know

that
> > > the 64-bit instruction set they use is just an extension to the

32-bit
> > > as 32-bit is to 16-bit (again I guess I could be mistaken but this

is
> > > what I understood). The Intel 64 bit Itanium is a different
> > instruction
> > > set (which fixes some of the problems with IA32 instruction set).
> > >
> > > That is what I meant by extension, extension to the instruction

set.
> > >
> > > Anyway...
> > >
> > >
> > > > -----Original Message-----
> > > > From:
> > > [mailto:plug-discuss-
> > > > ] On Behalf Of David Huerta
> > > > Sent: Thursday, April 15, 2004 10:47 PM
> > > > To:
> > > > Subject: RE: AMD64
> > > >
> > > > From what I understand, the AMD64 chipset is basically two

32-bit
> > AMD
> > > > chips sandwiched together to act like a 64-bit

dual-processor-ish
> > > system.
> > > >
> > > > --
> > > > + David "Huertanix" Huerta
> > > > + DeVry Linux User Group
> > > > + http://www.devrylinux.org
> > > >
> > > > On Thu, 15 Apr 2004, plug wrote:
> > > >
> > > > > AMD64 chips process 64-bit data and instructions, do they not?
> > > > > -Erik
> > > > >
> > > > > >>> 04/15/04 1:23 PM >>>
> > > > > The Itanium processor is a true 64-bit processor, whereas the
> > AMD64
> > > (if
> > > > > you are referring to Opteron) is just a 64-bit extension set

to
> > the
> > > IA32
> > > > > architecture.
> > > > >
> > > > > Alex
> > > > >
> > > > > ---------------------------------------------------
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> --
> Bryce C <>
> CoBryce Communications


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