Some Crafty questions (AT 2004)

[Kurt Utzinger]

Geschrieben von:/Posted by: Kurt Utzinger at 24 July 2004 22:24:08:
Als Antwort auf:/In reply to: Re: Some Crafty questions (AT 2004) geschrieben von:/posted by: Christian Koch at 24 July 2004 21:47:02:

Hi Kurt,
here are the sizes of my book files...
16.12.2003 16:42 5.475.448 book.bin
16.12.2003 16:42 131.516 bookc.bin
16.12.2003 16:42 132.552 books.bin
bye,
Christian

Hi Christian
Just correct and mine are now identical.
Kurt

[Michael Roder]

Geschrieben von:/Posted by: Michael Roder at 24. July 2004 23:43:
Als Antwort auf:/In reply to: Re: Some Crafty questions (AT 2004) geschrieben von:/posted by: Wael Deeb at 24 July 2004 19:48:22:

computer
hash 96M
hashp 12M
cache 4M
drawscore=0
log off
ponder off
book on
book random 1
book width 5
learn 7
resign 5
tbpath=c:\Nalimov
egtb 16M
exit

Hi,
I'm confused. Doesn't "cache 4M" set the egtb cache to 4M?
If that is the case, does "egtb 16M" override?
-Norm

Hi Norm,
No,it's ok to set "egtb 16M"!Why do you think that it will override!In my case I just want Crafty to fit in the 128M required in my tournaments!
As for Kurt,I am very surprised because this crafty.rc works fine for me!
Regards,
Dr.Wael Deeb

Hi, Weal
Leider nur in Deutsch:
Das Kommando cache 16M weist einen Wert von 16 MByte zu, das Kommando egtb schaltet die Anwendung des cache für Nalimov- Speicher ein.
Ein Kommando egtb 16M ist ohne wertbestimmende Wirkung ! ( habe ich auch ausprobiert )
Beide Kommandos ( cache n und egtb ) müssen zur Funktionsweise ausgegeben werden.
Best, Michael

[Bryan Hofmann]

Geschrieben von:/Posted by: Bryan Hofmann at 25 July 2004 15:40:34:
Als Antwort auf:/In reply to: Re: Some Crafty questions (AT 2004) geschrieben von:/posted by: Wael Deeb at 24 July 2004 19:48:22:

Hi Kurt,
For the second time I post my excellent crafty.rc for you!
Note the parameter "book width 5" and you'll get your answer about the length of the opening line!
Crafty updates it's opening book after every game and also has a positional learning!
If you have any questions,feel free to ask
Regards,
Dr.Wael Deeb

computer
hash 96M
hashp 12M
cache 4M
drawscore=0
log off
ponder off
book on
book random 1
book width 5
learn 7
resign 5
tbpath=c:\Nalimov
egtb 16M
exit

Hi,
I'm confused. Doesn't "cache 4M" set the egtb cache to 4M?
If that is the case, does "egtb 16M" override?
-Norm

Hi Norm,
No,it's ok to set "egtb 16M"!Why do you think that it will override!In my case I just want Crafty to fit in the 128M required in my tournaments!
As for Kurt,I am very surprised because this crafty.rc works fine for me!
Regards,
Dr.Wael Deeb

The egtb 16M is not setting the cache in anyway. The arguements for egtb set the EGTBLimit (the number of pieces). The correct method of doing this is say you have all of the 5 man EGTBs but want to limit it to 4 man, you would enter "egtb 4M". Now in your line you have 16M which there are no 16 man EGTBs, but the way the code is written what will happen is if you have say 6 man EGTBs it will set the EGTBLimit to 5 man. Not what you really want to do if you have 6 man EGTBs. I added a line to the code to test this which would print the EGTBLimit when arguments were added. Below is the result. You can see that I have 6 man EGTBs but it is reduced to 5 man with the 16M argument added to egtb.

found computer opening book file [./bookc.bin].
playing a computer!
hash table memory = 96M bytes.
pawn hash table memory = 12M bytes.
EGTB cache memory = 4M bytes.
draw score set to 0.00 pawns.
pondering disabled.
choose from book moves randomly (using weights.)
choose from 5 best moves.
show book statistics
book learning enabled
result learning enabled
position learning enabled
resign after 5 consecutive moves with score < -5.
6 piece tablebase files found
17712kb of RAM used for TB indices and decompression tables
5 piece tablebase files found
Crafty v19.15 WCCC
White(1):