Antoine Pitrou added the comment: I get the same kind of results as Serhiy:
$ python3.2 -m timeit -s "import re; f = re.compile(b'abc').search; x = b'x'*100000" "f(x)" 10000 loops, best of 3: 81.7 usec per loop $ python3.2 -m timeit -s "import re; f = re.compile('abc').search; x = 'x'*100000" "f(x)" 10000 loops, best of 3: 31.1 usec per loop $ python3.2 -m timeit -s "import re; f = re.compile('abc').search; x = '\u20ac'*100000" "f(x)" 10000 loops, best of 3: 31.1 usec per loop Unpatched 3.4: $ ./python -m timeit -s "import re; f = re.compile(b'abc').search; x = b'x'*100000" "f(x)" 10000 loops, best of 3: 81.6 usec per loop $ ./python -m timeit -s "import re; f = re.compile('abc').search; x = 'x'*100000" "f(x)" 10000 loops, best of 3: 163 usec per loop $ ./python -m timeit -s "import re; f = re.compile('abc').search; x = '\u20ac'*100000" "f(x)" 10000 loops, best of 3: 190 usec per loop Patched 3.4: $ ./python -m timeit -s "import re; f = re.compile(b'abc').search; x = b'x'*100000" "f(x)" 10000 loops, best of 3: 54.4 usec per loop $ ./python -m timeit -s "import re; f = re.compile('abc').search; x = 'x'*100000" "f(x)" 10000 loops, best of 3: 54.2 usec per loop $ ./python -m timeit -s "import re; f = re.compile('abc').search; x = '\u20ac'*100000" "f(x)" 10000 loops, best of 3: 54.5 usec per loop ---------- nosy: +pitrou _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue18685> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com