Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: could someone benchmark my checkers program?

Author: martin fierz

Date: 00:44:48 06/11/04

Go up one level in this thread


On June 10, 2004 at 21:54:43, S J J wrote:

>On June 10, 2004 at 17:31:54, martin fierz wrote:
>
>>On June 10, 2004 at 12:10:48, Anthony Cozzie wrote:
>>
>>>On June 09, 2004 at 17:59:14, Dann Corbit wrote:
>>>
>>>>On June 09, 2004 at 17:32:32, martin fierz wrote:
>>>>
>>>>>aloha!
>>>>>
>>>>>there's a computer checkers world championship coming up, and i would like to
>>>>>participate. the best machine i have at home is an AMD XP2400+, which was good a
>>>>>year ago but of course is now already a bit dated. there is no real reason my
>>>>>program should run faster with an AMD64, but you never know... so:
>>>>>
>>>>>if anybody with an AMD64 has a spare minute, could you download checkerboard
>>>>>(www.fierz.ch/CB_setup.exe), install it, turn off the opening book of the
>>>>>engine, set the level to 1 minute, and start the engine and send me the result?
>>>>>the engine (cake) produces a file called cakelog.txt which i would like to have
>>>>>to see how fast it's running on modern computers compared to what i have (of
>>>>>course, if you have a P4 > 3GHz, or an XP3200+ or any other hot machine i'd also
>>>>>be interested in your results...).
>>>>
>>>>OS Name	Microsoft(R) Windows(R) Server 2003, Standard Edition
>>>>Version	5.2.3790  Build 3790
>>>>OS Manufacturer	Microsoft Corporation
>>>>System Name	DCORBIT64
>>>>System Manufacturer	To Be Filled By O.E.M.
>>>>System Model	To Be Filled By O.E.M.
>>>>System Type	X86-based PC
>>>>Processor	x86 Family 15 Model 4 Stepping 10 AuthenticAMD ~2202 Mhz
>>>>BIOS Version/Date	American Megatrends Inc. 1001.005, 2/9/2004
>>>>SMBIOS Version	2.3
>>>>Windows Directory	C:\WINDOWS
>>>>System Directory	C:\WINDOWS\system32
>>>>Boot Device	\Device\HarddiskDmVolumes\Dcorbit64Dg0\Volume1
>>>>Locale	United States
>>>>Hardware Abstraction Layer	Version = "5.2.3790.0 (srv03_rtm.030324-2048)"
>>>>User Name	CORPORATE\dcorbit
>>>>Time Zone	Pacific Daylight Time
>>>>Total Physical Memory	1,024.00 MB
>>>>Available Physical Memory	560.10 MB
>>>>Total Virtual Memory	3.41 GB
>>>>Available Virtual Memory	2.38 GB
>>>>Page File Space	2.41 GB
>>>>Page File	C:\pagefile.sys
>>>>
>>>>It was getting 92% CPU.
>>>>
>>>>book hashtable with 400000 entries allocated
>>>>93393 moves in opening book
>>>>parsing db\db2.idx
>>>>parsing db\db3.idx
>>>>parsing db\db4.idx
>>>>index files parsed
>>>>allocated 1 KB for indexing
>>>>allocated 2000 KB for DB cache
>>>>allocated 0 KB for block pointer array
>>>>allocated 23 KB for LRU linked list
>>>>dbfp[3] is null!
>>>>dbfp[4] is null!
>>>>dbfp[5] is null!
>>>>
>>>>
>>>> w w w w
>>>>w w w w
>>>> w w w w
>>>>- - - -
>>>> - - - -
>>>>b b b b
>>>> b b b b
>>>>b b b b
>>>>position hex bm bk wm wk color:
>>>>{0x00000fff, 0x00000000, 0xfff00000, 0x00000000, 2}
>>>>depth 1/1/1.0  time 0.00s  value=-2  nodes 11  0kN/s  db 0%  pv 10-15
>>>>depth 3/11/4.9  time 0.00s  value=2  nodes 495  0kN/s  db 0%  pv  9-14 24-19  5-
>>>>9 28-24
>>>>depth 5/13/6.5  time 0.00s  value=2  nodes 2144  0kN/s  db 0%  pv 11-15 22-18
>>>>15x22 25x18  8-11 18-14
>>>>depth 7/24/9.4  time 0.01s  value=0  nodes 10769  717kN/s  db 0%  pv 11-15 22-18
>>>>15x22 25x18  8-11 29-25  4- 8 25-22
>>>>depth 9/26/11.3  time 0.03s  value=2  nodes 47511  1532kN/s  db 0%  pv  9-14
>>>>22-18 11-15 18x11  8x15 25-22 15-19 24x15
>>>>depth 11/29/13.2  time 0.08s  value=0  nodes 175403  2248kN/s  db 0%  pv  9-14
>>>>22-18  5- 9 25-22 12-16 24-19  8-12 28-24
>>>>depth 13/34/15.3  time 0.33s  value=0  nodes 710957  2167kN/s  db 0%  pv  9-14
>>>>22-18  5- 9 24-19 11-15 18x11  8x24 28x19
>>>>depth 15/35/17.4  time 1.26s  value=2  nodes 2732948  2160kN/s  db 0%  pv 11-15
>>>>22-18 15x22 25x18  8-11 29-25  4- 8 18-14
>>>>depth 17/37/19.2  time 4.47s  value=0  nodes 9382548  2099kN/s  db 0%  pv 11-15
>>>>22-18 15x22 25x18  8-11 29-25  4- 8 25-22
>>>>depth 19/41/21.4  time 16.09s  value=2  nodes 32861073  2041kN/s  db 0%  pv
>>>>11-15 22-18 15x22 25x18  8-11 29-25  4- 8 18-14
>>>>depth 21/44/23.4  time 49.06s  value=2  nodes 94540500  1926kN/s  db 80%  pv
>>>>11-15 22-18 15x22 25x18  8-11 29-25  4- 8 18-14
>>>
>>>Does this mean it is probing the endgame tables in a deep search from the
>>>opening position?
>>
>>yes, and this although dann is only using the 4-piece EGTB, which comes as a
>>download with my program. you can compute the 6-piece EGTB on your own machine,
>>and i once computed the 8-piece EGTB - unfortunately, that is much too large to
>>put on the web unless you're at a university like jonathan schaeffer...
>>with the 8pc EGTB you get much more hits of course.
>>
>>cheers
>>  martin
>
>
>Martin,
>
>   Is it possible to download Jonathan Scaeffer's EGTB and use
>on Checkerboard?  If yes, is there anything that
>needs to be done beyond putting them in the right directory?
>
>Steve

hi steve,

yes, you can use schaeffer's 8pc db with ed gilbert's kingsrow engine. to do
that, create a new subdirectory in your CB directory, call it anything you like
(e.g. chinook) and save the database there. get kingsrow for CB, and follow the
instructions given there.

cheers
  martin



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.