Author: martin fierz
Date: 18:31:10 04/11/02
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On April 11, 2002 at 17:10:57, Alvaro Jose Povoa Cardoso wrote: >>hi alvaro, >> >>have you written your own program by now or did you adapt mine? if you are doing >>the second, then the answer to your question is "it's irrelevant" - and probably >>the answer is the same if you wrote your own program... my generator took 5 >>weeks on a XP1600+ with 1GB ram to build the 4-4 database (and anything >>smaller). once you have this, you will never need to compute it again... another >>point is that in spanish checkers, you should be much faster building the db, >>because AFAIK kings sweep, and you have lots more captures which take you in >>smaller databases much faster than in english checkers, i.e. the number of >>passes per db you have to do should be much smaller. >> >>in the meantime, i have compressed my database, and am working on the access >>code. believe me: this is the part you have to do right - not the db computation >>itself. >> >>aloha >> martin > >Hi Martin, >nice to hear from you :) > >Unfortunately I didn't even started. I'm anxious to read the code you sent me. I >have very litle time, since I work all day and get home very tired. But I'm very >interested in solving this EGTB problem. My interest in 32bit reversing is >because it will be used in the program search engine for 'white to move' >positions. I agree it is not a great issue but if I can do it a little faster >then I'll do it. Yes you are right about Spanish/Portuguese checkers greater >number of captures. PS: your program does not have to reverse the position. the db code handles all of this. you can just make the db code more efficient. aloha martin
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