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

Author: Stuart Cracraft

Date: 11:21:32 03/02/99

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On March 01, 1999 at 13:56:34, Eugene Nalimov wrote:

>On March 01, 1999 at 13:36:14, Stuart Cracraft wrote:
>
>>On February 28, 1999 at 11:30:53, Larry Griffiths wrote:
>>
>>>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.
>>
>>Wow! I didn't realize a Pentium 350mhz was that slow compared to a
>>mid-range Ultra-Sparc.
>>
>>Stuart
>
>Something must be wrong here. PII/350 cannot be 4 times slower
>than *any* Sparc.
>
>Eugene

Yeah. That's what I thought!

Larry?



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