# -*- coding: utf-8 -*-
import sys, bz2, timeit

fn = sys.argv[1]
min_t = 2 if len(sys.argv) <= 2 else float(sys.argv[2])

benchs = []
for i in (1, 10, 100, 1000, 10000, 100000):
    benchs.append('read(%d)' % i)
benchs.append('read()')
for i in (1, 10, 100, 1000, 10000, 100000):
    benchs.append('read1(%d)' % i)
benchs.append('read1()')
benchs.append('readline()')

for s in benchs:
    stmt = 'with bz2.BZ2File(%r) as f:\n  while f.%s: pass' % (fn, s)
    n = 1
    while True:
        t = timeit.timeit(stmt, 'import bz2', number=n)
        if t >= min_t:
            break
        n = min(int(n * min_t / t * 1.1) + 1, 10 * n)
    print('%.2g\t%s' % (t / n, s))
    sys.stdout.flush()