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Subject: Re: Crafty Question for Dr. Hyatt

Author: Eugene Nalimov

Date: 14:50:42 01/07/99

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On January 07, 1999 at 17:36:41, Eugene Nalimov wrote:

>On January 07, 1999 at 16:19:16, Robert Hyatt wrote:
>
>>
>>
>>I'm not sure what to say.  Not being an AMD user, nor knowing much about
>>what the K6 does internally, it looks like the PII is simply "winning the
>>race" by a significant margin there.  In years past, we have seen the K6
>>and pentium Pro run clock for clock with crafty.  But maybe it is taking a
>>beating because of the BSF stuff or something in the assembly language that
>>is not running well on the K6, but being eaten alive on the PII...
>>
>>just a SWAG of course...
>
>Does yours K6-2 has L2 cache? An

Sorry, connection today is awful. Once again:

Does yours K6-2 has L2 cache? And if so, does *all* the memory cached?
If not, it can happen that other chess programs are more L1 cache
friendly than Crafty; Crafty's engine is large enough and don't fit
into L1 cache.

Eugene



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