Author: S J J
Date: 18:54:43 06/10/04
Go up one level in this thread
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
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