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Subject: Re: the empire strikes back

Author: Gian-Carlo Pascutto

Date: 00:00:50 01/10/02

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On January 09, 2002 at 15:05:54, Rajen Gupta wrote:

>On January 09, 2002 at 05:49:35, Gian-Carlo Pascutto wrote:
>
>>On January 08, 2002 at 17:30:37, Tom Kerrigan wrote:
>>
>>>On January 07, 2002 at 16:00:58, Gian-Carlo Pascutto wrote:
>>>
>>>>On January 07, 2002 at 12:53:17, Rajen Gupta wrote:
>>>>
>>>>>i'm afraid that amd may lose all the goodwill they have earned so far unless
>>>>>they get their act together real soon
>>>>
>>>>Funny, I've been (and still am) thinking the same of Intel
>>>>for quite a while.
>>>>
>>>>The P4 is garbage from a technical point of view, and
>>>>their current Itaniums seem to be too, based on the benchmarks
>>>>we have seen so far. Their only hope is to keep pushing up
>>>>the clockspeed as high as they can, but the design has limits
>>>>*somewhere*, as the original P3 at 1.13Ghz showed (totall recall
>>>>due to instabily).
>>>>
>>>>When are they going to come with a _new_ CPU with a design
>>>>that is _better_ than that of the Pentium Pro?
>>>
>>>Uhh, you seem a little confused. You apparently understand that the P3 (PPro) is
>>>limited to ~1GHz at 0.18 um, and then imply that the P4 is not better? The P4
>>>runs at 2GHz with the same process and I have yet to see a benchmark where the
>>>2GHz P4 doesn't outperform the 1GHz P3.
>>
>>I'm talking from a technical point of view, about the _design_.
>>
>>Yes, the thing runs at faster clockspeeds, but the design is all
>>but impressive. Put a 1Ghz P4 vs a 1Ghz P3 and you will see what
>>I mean. It's like taking a step back.
>>
>>It's faster only because of the clockspeed. Granted, that is made
>>possible by the silly design, but it doesn't make it any nicer,
>>especially compared vs the Athlons.
>>
>>--
>>GCP
>
>but the simple fact
>remains that the pentium 3 architecture has reached its limitations in terms of
>clock speed and cannot actually be cranked up to that speed.

I already stated this above, remember?

>the p4 is an
>entirely new design which can be clocked to insane speeds. the instructions per
>cycle may be less than the athlon or even p3 but the bottom line is >performance.

True, but that is not what I was talking about.

--
GCP



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