LENGTHS = ('10', '100', '10**3', '10**5')

def run_benchmark(bench):
    bench.start_group('use smaller buffer')
    bench.timeit(stmt='b"hello %s" % b"world"')
    bench.timeit(stmt='b"hello %-100s" % b"world"')
    bench.timeit(stmt='b"x=%d" % 123')
    bench.timeit(stmt='b"x=%f" % 1.2')
    bench.timeit(stmt='b"x=%100d" % 123')

    bench.start_group('"hello %s" % long_string')
    for length in LENGTHS:
        bench.timeit(setup='fmt = b"hello %%s"; arg = b"x" * %s' % length,
                     stmt='fmt % arg')

    bench.start_group('b"xxxxxx %s" % b"y"')
    for length in LENGTHS:
        bench.timeit(setup='fmt = b"x" * %s + b"%%s"' % length,
                     stmt='fmt % b"y"')

    bench.start_group('%f')
    bench.timeit(setup='n = 200; fmt = b"%f" * n; arg = tuple([1.2]*n)',
                 stmt='fmt % arg')

    bench.start_group('%i')
    bench.timeit(setup='n = 200; fmt = b"%f" * n; arg = tuple([12345]*n)',
                 stmt='fmt % arg')