Serhiy Storchaka added the comment: I tested different kind of strings.
$ ./python -m timeit -n 1 -s "t = b'a' * 10**8" "hash(t)" $ ./python -m timeit -n 1 -s "t = 'a' * 10**8" "hash(t)" $ ./python -m timeit -n 1 -s "t = '\u0100' * 10**8" "hash(t)" $ ./python -m timeit -n 1 -s "t = '\U00010000' * 10**8" "hash(t)" current SipHash bytes 181 msec 453 msec 2.5x UCS1 429 msec 453 msec 1.06x UCS2 179 msec 897 msec 5x UCS4 183 msec 1.79 sec 9.8x ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue14621> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com