[rules-users] R: [planner] taboo list question

[Geoffrey De Smet]

Just put a breakpoint in AbstractTabuAccepter and debug your app and you 
'll see what actually happens. You 'll probably want to use a 
conditional breakpoint, so it only breaks when it's dealing with that move.

Are you using completePropertyTabu?
  That shouldn't take a step back to where it came from.

If you're using completeMoveTabu, it can do that, try using 
completeUndoMoveTabu instead.

With kind regards,
Geoffrey De Smet


dmzpippo-drools at yahoo.it schreef:
> Hi Geoffrey,
> 
> I tried to follow your advice, but by debugging I noticed that he still 
> did not consider taboo the right moves.
> For not implementing the changes to the solver I modified the data 
> object model.
> But now I have another problem, I do not understand the log.
>  
> Normally when I make a move, the undo move is considered taboo for the 
> next X steps i.e.:
> -> do a move (CN 16, SR 11) => (CN 16, FR 9)
> 
> 2010-02-09 15:30:22,700 [main] INFO Step index (29), spend time (32680) 
> taking steps ((CN 16, SR 11) => (CN 16, FR 9)) out of 1800 accepted moves .
> 2010-02-09 15:30:22,701 [main] INFO New score 
> (-65499.76254006752hard/-126.69878682377347soft) is better then last 
> best score (-76061.73601857488hard/-147.80880935909272soft). Updating 
> best solution and best score.
> 
> -> evaluating next step the undo move (CN 16, SR 9) => (CN 16, FR 11) is 
> considered taboo
> 
> 2010-02-09 15:30:22,864 [main] DEBUG Proposed move ((CN 16, SR 9) => (CN 
> 16, FR 11)) is complete taboo.
> 2010-02-09 15:30:23,746 [main] INFO Step index (30), spend time (33726) 
> taking steps ((CN 57, SR 10) => (CN 57, FR 11)) out of 1799 accepted 
> moves .
> 
> 
> but often happens that if I make a move the next step make the undo move 
> and then the move is considered taboo:
> -> do a move (CN 28, SR 18) => (CN 28, FR 12)
> 
> 2010-02-09 15:30:33,344 [main] INFO Step index (39), spend time (43324) 
> taking steps ((CN 28, SR 18) => (CN 28, FR 12)) out of 1798 accepted 
> moves .
> 2010-02-09 15:30:33,345 [main] INFO New score 
> (-44072.81924277624hard/-83.90311931887312soft) is better then last best 
> score (-44078.036191138206hard/-83.90311931887312soft). Updating best 
> solution and best score.
> 
> -> why evaluating the next step the move (CN 28, SR 12)  => (CN 28, SR 
> 18) isn't considered taboo?
> 
> 2010-02-09 15:30:33,511 [main] DEBUG Proposed move ((CN 16, SR 9) => (CN 
> 16, FR 11)) is complete taboo. 44072
> 2010-02-09 15:30:33,942 [main] DEBUG Proposed move ((CN 57, SR 11) => 
> (CN 57, FR 10)) is complete taboo.
> 2010-02-09 15:30:34,420 [main] INFO Step index (40), spend time (44400) 
> taking steps ((CN 28, SR 12) => (CN 28, FR 18)) out of 1798 accepted 
> moves .
> 2010-02-09 15:30:34,421 [main] INFO New score 
> (-44078.036191138206hard/-83.90311931887312soft) is not better then last 
> best score (-44072.81924277624hard/-83.90311931887312soft).
> 2010-02-09 15:30:34,587 [main] DEBUG Proposed move ((CN 16, SR 9) => (CN 
> 16, FR 11)) is complete taboo.
> 2010-02-09 15:30:34,716 [main] DEBUG Proposed move ((CN 28, SR 18) => 
> (CN 28, FR 12)) is complete taboo.
> 2010-02-09 15:30:35,021 [main] DEBUG Proposed move ((CN 57, SR 11) => 
> (CN 57, FR 10)) is complete taboo.
> 2010-02-09 15:30:35,487 [main] INFO  Step index (41), time spend (45467) 
> taking step (( CN 27 ,SR 10) => ( CN 27 ,FR 12 )) out of 1797 accepted 
> moves.
> 
> why this behavior?
> 
> regards,
> Marco
> 
> 
> 
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