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

Author: Larry Griffiths

Date: 08:30:53 02/28/99

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On February 28, 1999 at 00:30:20, Stuart Cracraft wrote:

>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?


It took 22 minutes to 10 plys on a pentium 350.

Larry.



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