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Subject: Re: HW Challenge - Revisited & Revised

Author: Slater Wold

Date: 22:33:52 12/29/03

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On December 29, 2003 at 23:03:50, Robert Hyatt wrote:

>On December 29, 2003 at 14:14:03, Slater Wold wrote:
>
>>There is a lot of talk that the HW experiment(s) Peter & I have run are no good,
>>because the commercial is getting 'crappy' hardware.  That a Celeron vs a P4 is
>>not the same as a 2x2.8Ghz vs a 4x2.0Ghz Opteron.
>>
>>I don't want to get into this discussion.  I just want to see who is right.  ;)
>>
>>Here is what I propose:
>>
>>Crafty   = Crafty 19.8 on a P4 3.0Ghz with 8h/G.
>>Shredder = Shredder 7.04 on a P4 2.0Ghz with 2h/G.
>
>My advice is to run crafty on both machines, and compare the NPS.  Then play
>with shredder at 2h/G and crafty at the appropriate multiplier to achieve the
>time advantage you are trying to test.  IE if you want to do an opteron
>comparison, I could give you a bench run to give an NPS value for the quad
>2.0ghz opteron I was running on...  You could use that to scale the Piv/3 to
>that speed if that is the point here...  However, I am not quite sure what you
>are trying to show?  IE I have run on an 8-cpu opteron and know what it looks
>like speed-wise as well.  I've not run on any opteron beyond 8-way yet...

The P4 3.0Ghz is 66% faster than the 2.0Ghz.  It benches 1.23M nps.  Crafty had
a 4x time odds (8h vs 2h).

The 4-way did more NPS than that.  Way more.  (1.23*4=4.92M).  Even at 5x time
odds it'd be tough.  That's only 6.15M nps.

>>The games will be played on ICC.
>>
>>Bob, feel free to send me learning files, books, special instructions, whatever.
>> This will be just like a championship.
>
>I would use the same books on the ftp.  Re-grab the to clear any learning
>if you have run any with learning enabled.  Then run both engines with
>learning enabled...  let 'er rip...
>
>
>
>>
>>Same with you Sandro.



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