Mark Dickinson added the comment: Throwing out sum, I'm seeing significant slowdown simply from xrange versus range:
taniyama:Desktop mdickinson$ python2 -m timeit -s 'x = xrange(3, 10**9, 3)' 'for e in x: pass' 10 loops, best of 3: 5.01 sec per loop taniyama:Desktop mdickinson$ python3 -m timeit -s 'x = range(3, 10**9, 3)' 'for e in x: pass' 10 loops, best of 3: 8.62 sec per loop ---------- _______________________________________ Python tracker <[email protected]> <http://bugs.python.org/issue24076> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
