bench chardet. require: https://raw.github.com/PyYoshi/cChardet/master/test/testdata/wikipediaJa_One_Thousand_and_One_Nights_SJIS.txt

bench_chardet.py

#!/usr/bin/env python
# coding: utf-8

import chardet
import time

def main():
    do_times = 10
    path = r"wikipediaJa_One_Thousand_and_One_Nights_SJIS.txt"
    with open(path, 'rb') as f:
        msg = f.read()
    result_chardet = 0
    for i in range(do_times):
        start_chardet = time.time()
        chardet.detect(msg)
        result_chardet += (time.time() - start_chardet)
    print('chardet:',1/(result_chardet/do_times), 'call(s)/s')

if '__main__' in __name__:
	main()

result.txt

$ python --version
Python 2.7.6

$ python ./bench.py 
('chardet:', 0.13635000826167848, 'call(s)/s')

$ python --version
Python 2.7.3 (87aa9de10f9c, Nov 24 2013, 18:48:13)
[PyPy 2.2.1 with GCC 4.6.3]

$ python ./bench.py
('chardet:', 1.0764693665798812, 'call(s)/s')