From: Wynne, Conor (Conor.Wynne at domain compaq.com)
Date: Fri 17 Aug 2001 - 09:09:36 IST
Lads and lassies,
I've seen the itanium, I like it, its gonna have some nice surprises too. I
can't say more coz I'd have to kill you.
But once again, like the ppro (kind of) running 16-bit apps, it won't
exploit the full potential till 64bit apps are released. But when they
are....
Suffice to say that I like it.
CW
-----Original Message-----
From: Matthew French [mailto:mfrench42 at domain yahoo.co.uk]
Sent: Thursday, August 16, 2001 4:49 PM
To: ilug at domain linux.ie
Subject: Re: [ILUG] [OT] Membership
On Thu, Aug 16, 2001 at 04:32:07PM +0100, jac1 wrote:
> >no, but funnily enough alpha cpus do something like this with
> >'packets' of two or four instructions that get issued
> >simultaneously to parallel pipelines. but that's another story :)
>
> Pentiums are dual-pipelined aren't they? To make matters worse,
> some instructions (i387) can only be executed on a certain pipeline
> (the v one IIRC)! Fairly headwrecking stuff if you're to do it by
> hand, which is the main reason hardly anything, bar hardware stuff,
> is done in asm. Compilers do a good enough job of it.
As I understand it, one of the reasons Intel took over control of the
Alpha chip was so that they could have access to Digital's compiler
technology - presumably because the Itanium also has a fairly complex
pipeline structure.
- Matthew
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