looking into speeding up the GA code I posted, I ran it with cProfile. Fri Feb 01 11:05:57 2008 evprof
30100116 function calls in 93.614 CPU seconds Ordered by: internal time ncalls tottime percall cumtime percall filename:lineno(function) 7160929 34.542 0.000 37.844 0.000 random.py:147(randrange) 7160929 13.634 0.000 51.478 0.000 random.py:211(randint) 80080 12.321 0.000 62.645 0.001 quickga.py:88(mutate) 80330 8.631 0.000 8.891 0.000 {eval} 80380 8.324 0.000 14.243 0.000 quickga.py:42(floatify) 7568392 7.546 0.000 7.546 0.000 {method 'replace' of 'str' objects} 7160929 3.302 0.000 3.302 0.000 {method 'random' of '_random.Random' objects} 80380 2.659 0.000 4.592 0.000 quickga.py:15(rationalise_signs) ... Does this in essence mean the main place I should be looking is mutate() I'm imagining randint and randrange are already as fast as they can be.. Matt. This message and any attachments (the "message") is intended solely for the addressees and is confidential. If you receive this message in error, please delete it and immediately notify the sender. Any use not in accord with its purpose, any dissemination or disclosure, either whole or partial, is prohibited except formal approval. The internet can not guarantee the integrity of this message. BNP PARIBAS (and its subsidiaries) shall (will) not therefore be liable for the message if modified. Do not print this message unless it is necessary, consider the environment. --------------------------------------------- Ce message et toutes les pieces jointes (ci-apres le "message") sont etablis a l'intention exclusive de ses destinataires et sont confidentiels. Si vous recevez ce message par erreur, merci de le detruire et d'en avertir immediatement l'expediteur. Toute utilisation de ce message non conforme a sa destination, toute diffusion ou toute publication, totale ou partielle, est interdite, sauf autorisation expresse. L'internet ne permettant pas d'assurer l'integrite de ce message, BNP PARIBAS (et ses filiales) decline(nt) toute responsabilite au titre de ce message, dans l'hypothese ou il aurait ete modifie. N'imprimez ce message que si necessaire, pensez a l'environnement. -- http://mail.python.org/mailman/listinfo/python-list