struct-benchmark

gistfile1.py

#!/usr/bin/env python
from timeit import timeit
setup = '''

from ctypes import create_string_buffer
from struct import Struct

buff = create_string_buffer(1024)
payload = 'hello' * 30
a, b, c = 1, 3.0, 'world'

packer = Struct('!Id5s150s')

def use_pack():
    for i in xrange(1000000):
        packer.pack(a, b, c, payload)

def use_pack_into():
    for i in xrange(1000000):
        packer.pack_into(buff, 0, a, b, c, payload)
'''

stmt1 = 'use_pack()'
stmt2 = 'use_pack_into()'

print timeit(stmt1, setup, number = 10)
print timeit(stmt2, setup, number = 10)