Serhiy Storchaka added the comment: Can't reproduce on 32-bit Linux.
$ time python2.7 -c "print sum(xrange(3, 10**9, 3)) + sum(xrange(5, 10**9, 5)) - sum(xrange(15, 10**9, 15))" 233333333166666668 real 1m11.614s user 1m11.376s sys 0m0.056s $ time python3.4 -c "print(sum(range(3, 10**9, 3)) + sum(range(5, 10**9, 5)) - sum(range(15, 10**9, 15)))" 233333333166666668 real 1m11.658s user 1m10.980s sys 0m0.572s $ python2.7 -m timeit -n1 -r1 "sum(xrange(3, 10**9, 3)) + sum(xrange(5, 10**9, 5)) - sum(xrange(15, 10**9, 15))" 1 loops, best of 1: 72 sec per loop $ python3.4 -m timeit -n1 -r1 "sum(range(3, 10**9, 3)) + sum(range(5, 10**9, 5)) - sum(range(15, 10**9, 15))" 1 loops, best of 1: 72.5 sec per loop $ python2.7 -m timeit -s "a = list(range(10**6))" -- "sum(a)" 10 loops, best of 3: 114 msec per loop $ python3.4 -m timeit -s "a = list(range(10**6))" -- "sum(a)" 10 loops, best of 3: 83.5 msec per loop What is sys.int_info on your build? ---------- nosy: +serhiy.storchaka _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue24076> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
