Alexander Belopolsky <[EMAIL PROTECTED]> added the comment: This has nothing to do with set.update, the difference is due to the time to setup the generator:
$ python -m timeit -s 'x = set(range(10000)); y = []' 'x.update(y)' 1000000 loops, best of 3: 0.38 usec per loop $ python -m timeit -s 'x = set(range(10000)); y = (i for i in [])' 'x.update(y)' 1000000 loops, best of 3: 0.335 usec per loop ---------- nosy: +belopolsky __________________________________ Tracker <[EMAIL PROTECTED]> <http://bugs.python.org/issue2672> __________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
