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Subject: Re: How long to do 10 full plys?

Author: Stuart Cracraft

Date: 21:30:20 02/27/99

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On February 26, 1999 at 20:28:44, Larry Griffiths wrote:

>On February 26, 1999 at 20:01:12, Stuart Cracraft wrote:
>
>>The new GNU Chess takes about 2 1/4 minutes on a non-dedicated
>>SUN Enterprise-class machine. Includes the usual full leaf
>>evaluation (since exclusive pc/sq tables have been largely
>>discredited as well as the usual lazy eval.)
>>
>>I don't see what point this test has since whoever can throw
>>the most iron at it "wins".
>>
>>GNU 5.0 Chess Program
>>Version 5.00d (17 Dec 1998)
>>
>>Transposition table:  Entries=256K Size=8192K
>>Pawn hash table: Entries=32K Size=2048K
>>White (1) : post
>>White (1) : force
>>White (1) : e4
>>1. e4
>>
>>black  KQkq  e3
>>r n b q k b n r
>>p p p p p p p p
>>. . . . . . . .
>>. . . . . . . .
>>. . . . P . . .
>>. . . . . . . .
>>P P P P . P P P
>>R N B Q K B N R
>>
>>Black (1) : depth 10
>>Black (1) : go
>>Root score = -30        Phase = 0       Depth = 10
>> no book.
>> 1.      0      0        24  d5
>> 2&    -25      0        97  d5 Nc3 dxe4 Nxe4
>> 2.    -25      1       144  d5 Nc3 dxe4 Nxe4
>> 3&    -28      1       495  d5 exd5 Qxd5 Nc3
>> 3&      0      2       867  e5 Nc3 Nc6
>> 3.      0      4      1654  e5 Nc3 Nc6
>> 4&    -24      5      2265  e5 Nc3 Nc6 Nf3
>> 4.    -24      7      4145  e5 Nc3 Nc6 Nf3
>> 5&      0     13      8311  e5 Nc3 Nc6 Nf3 Nf6
>> 5.      0     18     11087  e5 Nc3 Nc6 Nf3 Nf6
>> 6&    -16     38     24524  e5 Nf3 Nf6 Nxe5 Bd6 d4 Bxe5 dxe5 Nxe4
>> 6.    -16     59     41123  e5 Nf3 Nf6 Nxe5 Bd6 d4 Bxe5 dxe5 Nxe4
>> 7&     -1    149    105799  e5 Nf3 Nf6 Nxe5 Nxe4 Qf3 Nf6
>> 7&      0    224    159010  Nc6 Nf3 Nf6 Nc3 e5 Be2 Bb4
>> 7.      0    282    196049  Nc6 Nf3 Nf6 Nc3 e5 Be2 Bb4
>> 8&    -20    492    347056  Nc6 Nf3 Nf6 Nc3 d5 e5 Ne4 Bb5
>> 8.    -20    799    574902  Nc6 Nf3 Nf6 Nc3 d5 e5 Ne4 Bb5
>> 9&    -10   1266    901912  Nc6 Nf3 Nf6 e5 Ng4 d4 d5 h3 Nh6
>> 9.    -10   2430   1753901  Nc6 Nf3 Nf6 e5 Ng4 d4 d5 h3 Nh6
>>10&    -26   4386   3127413  Nc6 Nf3 e5 Bb5 Bc5 c3 Nf6 d3 Ng4 O-O
>>10&    -14  10337   7390952  Nf6 e5 Nd5 c4 Nb6 c5 Nd5 Nf3 d6 d4 dxe5 dxe5
>>10.    -14  13640   9769398  Nf6 e5 Nd5 c4 Nb6 c5 Nd5 Nf3 d6 d4 dxe5
>>Time = 136.4 Rate=71623 Nodes=[8776563/992835/9769398] GenCnt=11519786
>>Eval=[1138817/4174540] RptCnt=915 NullCut=338736 FutlCut=757941
>>Ext: Chk=230000 Recap=86348 Pawn=18800 OneRep=16654 Horz=5813 Thrt=0
>>Material=[3600/3600 : 4400/4400] Worst=[-92/-104]
>>Hash: Success=10% Collision=82% Pawn=63%
>>
>>white  KQkq
>>r n b q k b . r
>>p p p p p p p p
>>. . . . . n . .
>>. . . . . . . .
>>. . . . P . . .
>>. . . . . . . .
>>P P P P . P P P
>>R N B Q K B N R
>>
>>
>>My move is : Nf6
>
>Stuart,
>
>I wanted to know how my program stands at this time compared with other
>programs.  I see now that I still have a lot of work to do to improve
>the performance of my program.  I ask my self "What makes these other
>programs run so fast".  I have asked more questions here and have found
>some great things to try.
>
>Thanks for your response.
>
>Larry   :-0

Don't sell yourself short. What hardware are you running on and what
is your result for the same 10-ply post 1. e4 search?



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