Re: Intel and Microsoft provide higher 32-bit applications performance on Itanium

From: Andrew Harrison SUNUK Consultancy (Andrew_No.Harrison_No_at_nospamn.sun.com)
Date: 02/04/04 

Date: Wed, 04 Feb 2004 09:54:59 +0000

David Svensson wrote:
> "Bill Todd" <billtodd@metrocast.net> wrote in message news:<L6WdnTpG5OgdJ4Ld4p2dnA@metrocast.net>...
>
>>"David Svensson" <icerq4a@spray.se> wrote in message
>>news:734da31c.0402022332.651aad8a@posting.google.com...
>>
>>...
>>
>>
>>>Funny, that you don't understand. I experience no difference when I
>>>run for example Word or Excel on a 2GHz P4 or a 3GHz P4. I had the
>>>same experience with IA32-EL. And, many interactive Windows
>>>applications also run a good share of code that already is native, so
>>>the speed is actually very good.
>>
>>It's possible that you're the one who doesn't understand. The matter under
>>discussion would seem to be whether IA32-EL makes any substantive
>>difference, not whether it runs Word and Excel (or similar interactive
>>applications) acceptably. For example, if Word and Excel also ran
>>acceptably even under the sluggish Itanic *hardware* emulator, your analysis
>>above would be irrelevant.
>
>
> OK..., one of my points was that IA32-EL does make a difference.
> Although you can/could run many applications with the hardware
> emulator you did notice that it was slow. With IA32-EL I didn't
> noticed any slowdown, it was like running a say 2.4GHz P4. (I cannot
> make a difference between say 1.5GHz to 3Ghz P4 unless I try to play a
> game where it is more easy to spot the difference.)
>

But the example you provided Excel was one where you were unlikely
to see any performance problems.

Regards
Andrew Harrison
>
>>Intel appears to believe that at least some significant x86 applications
>>that Itanic needs to be attractive do *not* run at acceptable speed under
>>the hardware emulator. So *those* would the the applications to examine to
>>see whether the somewhat increased but still uncompetitive speed of IA32-EL
>>makes any real difference.
>
>
> The hardware emulator was in my opinion always a bit slow.

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