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Subject: Re: CB sponsors entry of _four_ programs to WMCCC 2000!?

Author: Paul Petersson

Date: 21:03:11 08/08/00

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On August 08, 2000 at 20:48:50, Dann Corbit wrote:

>On August 08, 2000 at 20:40:36, Paul Petersson wrote:
>
>>On August 08, 2000 at 12:54:51, Robert Hyatt wrote:
>>
>>>On August 08, 2000 at 09:25:50, Francesco Di Tolla wrote:
>>>
>>>>On August 08, 2000 at 09:06:17, Robert Hyatt wrote:
>>>>
>>>>>They are the hottest things around, at present.
>>>>
>>>>Run an AMD at 2GHz and it will become hotter ;-)
>>>
>>>
>>>Yes.  But I am not interested in "temperature".  With Crafty, the 667mhz
>>>21264 will toast the 2gig AMD or Pentium...
>>>
>>>:)
>>
>>Are you sure? A P3/1GHz will do about 600kN, so a 2GHz would do at least 1MN.
>I get 268,138 NPS for a 500 MHz PIII running the bench command (which does a mix

I guess you have the "Katmai" P3. The Coppermine is about 10-15 percent faster
than Katmai. I still think a 1GHz should get at least 550kN possibly even close
to 600.

>of instructions), which would make about 500K for 1GHz and 1M for 2GHz
>(roughly).  However, I don't think a 2GHz pentium or athlon chip exists and
>667MHz alpha chips are ancient history.
>

The fastest I know about is the 1.5 GHz Athlon/Thunderbird from Kryotech. But I
guess Crafty doesn't run very well on the Athlon.

>But I am guessing they would come out fairly similarly.
>

Me too.


>All in all the technology for the Alpha machines is definitely superior.  I
>suspect when you factor in the tablebase access, hashing, etc. the Alpha would
>still be ahead of the 'hypothetical' 2GHz X86 architecture.

Why would the tablebase access be any better on the Alpha?

Paul



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