Crafty 23.1 JA quirks

[bob]

I found the cause of the double created games and logs.
both Jim and Peter used

Code: Select all

log=off

in their crafty.rc files
so I used

Code: Select all

log=on 

.Crafy does not like that,it seems .

Code: Select all

log on

works as it should.

there's no difference. Crafty parses the "=" out using strtok() so whether you use a space or = has no effect on the result, which will be the same either way.

[beachknight]

I found the cause of the double created games and logs.
both Jim and Peter used

Code: Select all

log=off

in their crafty.rc files
so I used

Code: Select all

log=on 

.Crafy does not like that,it seems .

Code: Select all

log on

works as it should.

there's no difference. Crafty parses the "=" out using strtok() so whether you use a space or = has no effect on the result, which will be the same either way.

Is there a performance difference between the modes with?
i. log off
ii. log on

For blitz games, I mean: Do writing logs hurt the performance of crafty?

Best,

[jhaglund]

For blitz games, I mean: Do writing logs hurt the performance of crafty?

Not under normal circumstances.

If it output MB of text at each move it could slow a bit (modify trace() function to output to logfile)... but then you wouldn't be worried about the performance of play but the data it output anyway.

[bob]

I found the cause of the double created games and logs.
both Jim and Peter used

Code: Select all

log=off

in their crafty.rc files
so I used

Code: Select all

log=on 

.Crafy does not like that,it seems .

Code: Select all

log on

works as it should.

there's no difference. Crafty parses the "=" out using strtok() so whether you use a space or = has no effect on the result, which will be the same either way.

Is there a performance difference between the modes with?
i. log off
ii. log on

For blitz games, I mean: Do writing logs hurt the performance of crafty?

Best,

Very slightly, yes. Nothing is free when doing system calls.

[F. Bluemers]

Yes,you are right. There was another difference that seemed unimportant.

Code: Select all

#egtb
#adaptive 750K 24M 192M 24M 48M
#tbpath=d:\progra~1\arena\nalimov
cache=32M
ponder off
#
# (for use use with ponder on)
# mode=tournament 
#
# (Allows Crafty to try to win drawn games (according to Endgame Tables))
swindle on 
#
# (default)       
learn 7   
#    
# (default)  
book random 1   
#  
bookw freq 0.7
bookw ratio 0.8
bookw eval 0.6
bookw learn 1
bookw cap 0.5
book width 4
#
#(default = book on)
book on   
#         
show book
log=on
#
# (Increases Crafty's MaxThreads to 2 for a dual CPU computer )
mt=2
#    
# (Make Crafty not use cpu on opponents time)    
#smpnice=1  
# 
# (Makes crafty use a lot more time on the first 8 moves out of book)    
timebook 80 8    
#adaptive NPS a
hash 45M
hashp 16M
exit

If the first line is empty,it works fine.
But if I remove the empty line (first line would become #egtb) it creates the log and game files twice.

[bob]

Yes,you are right. There was another difference that seemed unimportant.

Code: Select all

#egtb
#adaptive 750K 24M 192M 24M 48M
#tbpath=d:\progra~1\arena\nalimov
cache=32M
ponder off
#
# (for use use with ponder on)
# mode=tournament 
#
# (Allows Crafty to try to win drawn games (according to Endgame Tables))
swindle on 
#
# (default)       
learn 7   
#    
# (default)  
book random 1   
#  
bookw freq 0.7
bookw ratio 0.8
bookw eval 0.6
bookw learn 1
bookw cap 0.5
book width 4
#
#(default = book on)
book on   
#         
show book
log=on
#
# (Increases Crafty's MaxThreads to 2 for a dual CPU computer )
mt=2
#    
# (Make Crafty not use cpu on opponents time)    
#smpnice=1  
# 
# (Makes crafty use a lot more time on the first 8 moves out of book)    
timebook 80 8    
#adaptive NPS a
hash 45M
hashp 16M
exit

If the first line is empty,it works fine.
But if I remove the empty line (first line would become #egtb) it creates the log and game files twice.

Can't reproduce that here. The _only_ time it tries to create a new log file is when it first starts, and whenever it receives a "new" command.

[F. Bluemers]

Yes,you are right. There was another difference that seemed unimportant.

Code: Select all

#egtb
#adaptive 750K 24M 192M 24M 48M
#tbpath=d:\progra~1\arena\nalimov
cache=32M
ponder off
#
# (for use use with ponder on)
# mode=tournament 
#
# (Allows Crafty to try to win drawn games (according to Endgame Tables))
swindle on 
#
# (default)       
learn 7   
#    
# (default)  
book random 1   
#  
bookw freq 0.7
bookw ratio 0.8
bookw eval 0.6
bookw learn 1
bookw cap 0.5
book width 4
#
#(default = book on)
book on   
#         
show book
log=on
#
# (Increases Crafty's MaxThreads to 2 for a dual CPU computer )
mt=2
#    
# (Make Crafty not use cpu on opponents time)    
#smpnice=1  
# 
# (Makes crafty use a lot more time on the first 8 moves out of book)    
timebook 80 8    
#adaptive NPS a
hash 45M
hashp 16M
exit

If the first line is empty,it works fine.
But if I remove the empty line (first line would become #egtb) it creates the log and game files twice.

Can't reproduce that here. The _only_ time it tries to create a new log file is when it first starts, and whenever it receives a "new" command.

Seems that the last rc file i tried was not even parsed by crafty,
and as that worked ok for logs,I started to suspect "log on" itself.
Crafy creates new game and log files when it encounters "log on".
You can see that if you put it one or more times in the rc file or type it on the commandline.
Best
Fonzy

[bob]

Yes,you are right. There was another difference that seemed unimportant.

Code: Select all

#egtb
#adaptive 750K 24M 192M 24M 48M
#tbpath=d:\progra~1\arena\nalimov
cache=32M
ponder off
#
# (for use use with ponder on)
# mode=tournament 
#
# (Allows Crafty to try to win drawn games (according to Endgame Tables))
swindle on 
#
# (default)       
learn 7   
#    
# (default)  
book random 1   
#  
bookw freq 0.7
bookw ratio 0.8
bookw eval 0.6
bookw learn 1
bookw cap 0.5
book width 4
#
#(default = book on)
book on   
#         
show book
log=on
#
# (Increases Crafty's MaxThreads to 2 for a dual CPU computer )
mt=2
#    
# (Make Crafty not use cpu on opponents time)    
#smpnice=1  
# 
# (Makes crafty use a lot more time on the first 8 moves out of book)    
timebook 80 8    
#adaptive NPS a
hash 45M
hashp 16M
exit

If the first line is empty,it works fine.
But if I remove the empty line (first line would become #egtb) it creates the log and game files twice.

Can't reproduce that here. The _only_ time it tries to create a new log file is when it first starts, and whenever it receives a "new" command.

Seems that the last rc file i tried was not even parsed by crafty,
and as that worked ok for logs,I started to suspect "log on" itself.
Crafy creates new game and log files when it encounters "log on".
You can see that if you put it one or more times in the rc file or type it on the commandline.
Best
Fonzy

you are right, but it would never occur to me to put "log=on" in the .craftyrc file, since that is the default setting. I don't put defaults in there at all.