"""
Run it using:
python benchmark.py script bench_hash.py --file=FILENAME

https://bitbucket.org/haypo/misc/src/tip/python/benchmark.py
"""


def run_benchmark(bench):
    for length in ('1', '3', '10', '20', '100', '10 ** 4', '10 ** 8'):
        bench.start_group('Length %s' % length)
        for charset in ('a', '\u20ac', '\U0010ffff'):
            bench.timeit('hash(s)', setup='s = %r * %s' % (charset, length),
                         name='hash(%a * %s)' % (charset, length))