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Subject: Re: CRAFTY has won the CCT6 with a draw vs Hiarcs!!! Bob !!!!!

Author: Robert Hyatt

Date: 20:23:41 02/01/04

Go up one level in this thread


On February 01, 2004 at 23:21:11, Russell Reagan wrote:

>On February 01, 2004 at 20:58:08, James T. Walker wrote:
>
>>The Ghz of the two CPU's are not directly comparable.
>
>Umm, aren't you comparing them?
>
>>I own 3 (ea) XP2400+ machines so I know a little about their speed.  Crafty runs
>>around 700-800 Knps on my machines.
>
>I only own one XP2400+, and it runs Crafty 19.3 at over 1Mnps (using the 'bench'
>command). I think mine might have 384 KB of total cache, and some XP2400+'s only
>have 256 KB of cache, which could make a big difference for Crafty.

I've never seen a processor with a cache size that isn't a perfect power of two,
as the direct-mapping used for set associative cache depends on using the
rightmost N bits of the address, requiring a power of two size.


>
>>At this moment Crafty has a rating of 2330 in my database and
>>Hiarcs 9 has a rating of 2449.  That's a difference of 119 Elo points.  I may
>>not have the exact programs that were running on ICC today but they are close
>>enough for educated guesses.  My guess is that Crafty was the favorite because
>>of it's ability to run on faster hardware.
>
>What version of Crafty did you use? I think the latest version (19.10?) is quite
>a bit stronger with some of the new options like DETECT_DRAW.



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