Computer Chess Club Archives


Search

Terms

Messages

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

Author: Stuart Cracraft

Date: 10:29:48 03/03/99

Go up one level in this thread


On March 02, 1999 at 14:40:51, Eugene Nalimov wrote:

>On March 02, 1999 at 14:21:32, Stuart Cracraft wrote:
>
>>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?
>
>If you want, you can send source of beta to me. I'll make an
>experiment on PII/400, as well as integrate it with my EGTBs
>(sorry, I cannot seriously test it - *any* program will win
>against me).
>
>Eugene

Will do. Let me get back to the development platform and send
you the code.

Please send your email address to cracraft@earthlink.net.

By the way, it is possible to improve a program without being
a strong player. Claude Jarry of L'Excentrique and Ken Thompson
of Belle proved it.




This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.