bench.py

from __future__ import print_function
import os
import sys
import timeit
import xxtea


if __name__ == '__main__':
    try:
        length = int(sys.argv[1])
        times = int(sys.argv[2])
    except:
        print('Usage: {} datalength times'.format(sys.argv[0]), file=sys.stderr)
        sys.exit(-1)

    testkey = os.urandom(16)
    testdata = os.urandom(length)

    t = timeit.Timer('encrypt({}, {})'.format(repr(testdata), repr(testkey)), 'from xxtea import encrypt')
    print('    encrypt:', t.timeit(times))

    testdata = xxtea.encrypt(testdata, testkey)
    t = timeit.Timer('decrypt({}, {})'.format(repr(testdata), repr(testkey)), 'from xxtea import decrypt')
    print('    decrypt:', t.timeit(times))

    t = timeit.Timer('encrypt_hex({}, {})'.format(repr(testdata), repr(testkey)), 'from xxtea import encrypt_hex')
    print('encrypt_hex:', t.timeit(times))

    testdata = xxtea.encrypt_hex(testdata, testkey)
    t = timeit.Timer('decrypt_hex({}, {})'.format(repr(testdata), repr(testkey)), 'from xxtea import decrypt_hex')
    print('decrypt_hex:', t.timeit(times))