Author: Anthony Cozzie
Date: 05:11:09 06/11/04
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
But you already getting 80% hits if i read correctly!! Why don't you just let it
run overnight and solve the game :)
anthony
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