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Subject: Re: GT2 Athlon 1.3Ghz vs PIII 800 time to search depth

Author: Ed Panek

Date: 08:49:35 06/13/01

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On June 13, 2001 at 11:00:11, James T. Walker wrote:

>On June 12, 2001 at 20:44:58, Ed Panek wrote:
>
>>Athlon 1.3Ghz 192 MBhash tables..
>>
>>14:16:34.9	-0.50	25	-1715898192
>>07:27:40.6	-0.44	24	-344954985
>>00:00:31.9	-0.42	14	13011609
>>00:12:59.1	-0.36	20	339922649
>>
>>Same position PIII 800 48 MB HASH tables
>>
>>17:57:26.9	-0.44	24	-1100754853
>>00:00:45.8	-0.42	14	13392336
>>00:23:58.1	-0.36	20	436641487
>>Bigger difference than I thought
>>
>>
>>This is from the current Gt2 vs the web position
>>
>>
>>Ed
>
>Hello Ed,
>I have no idea what your numbers above mean but it seems to me that if you want
>to compare processor speed you need to use the same amount of hash memory.  I
>can't get to the game to see what the position is like but if it's close to an
>endgame or deep into an endgame the hash tables can make a very big difference.
>Jim


Hi Jim thanks for the reply..typically in computer chess the above means

time-score-depth-nodes

This position is close to an endgame. I understand that hash etc makes a big
difference in search speed, but I never imagined it could be so dramatic. 13
minutes to 24 minutes to depth  20 for example.


Ed



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