Re: Will Prescott work on Win64?

"News sbc" <[EMAIL PROTECTED]> writes:
You keep us on our toes: Never ignore postings by people with
obviously misconfigured news readers, it might be you:-)

>I don't know if Willamette taped out using such kluges, or if
>it taped out on 64 bit HP-PAs or Itanics.

Alphas?

>Continuing to tape out on Itanics is probably not so good an idea,
>since these apps are often the type that run most poorly on Itanic.

How important is performance for this task?

...
>If, as is widely conjectured, some Intel chip has a non-EPIC 64 bit
>extension to the x86, perhaps Intel may not release that chip for
>sale to the outside world?  Perhaps they would use it just for internal
>use, as in taping out a new CPU?

If they really intend to release such a chip to the public under no
circumstances, then that would probably be uneconomical.  It would
probably be cheaper to get the same speedup by investing in the
compiler (which also helps the Itaniums elsewhere) and by tuning the
application; or maybe just lose some time on every tapeout.

However, I find it hard to believe that they do not develop such a
chip as a backup plan if IA64 does not catch on (and announce it when
it is ready, or when AMD64 catches on, whichever is later).  In that
case they could just as well use it internally.

- anton
-- 
M. Anton Ertl                    Some things have to be seen to be believed
[EMAIL PROTECTED] Most things have to be believed to be seen
http://www.complang.tuwien.ac.at/anton/home.html