Hello again, I didn't not get any response to my initial message below. Now I am wondering if nobody is into the optimizer or if my question was just too stupid. Could you please give me some clues? Your help would really be appreciated.
Regards, Tobias > Hello, > I was digging through the optimizer code and have a question regarding > the edge recombination crossover (ERX) of the GEQO. It might be > completely stupid and therefore I apologize for this in advance. > > As far as I understand it, the idea of the ERX is the minimization of > edge failures. When reading in geqo_main.c and geqo_erx.c, it seams that > every iterative round (generation) it is checked by gimme_tour() if > there where any edge failures. When I understand the algorithm right, > there should be no edge failures. > Therefore I think about NOT checking for edge failures anymore, to save > some time. (If it just to make sure, it could be done only once in the > end.) Might that work or do I have some errors in my thoughts? > > Thanks in advance, > Tobias > -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
