inner_func_test.py

"""
Inner function performance test

Result:
direct call = 0.335001945496
with wrapper = 0.700292110443

"""


def sum1(a, b):
    return a + b


def sum2(a, b):
    def wrapper():
        return a + b
    return wrapper()


def test1():
    sum1(3, 5)


def test2():
    sum2(3, 5)


if __name__ == '__main__':
    import timeit
    print 'direct call = %s' % timeit.timeit(test1)
    print 'with wrapper = %s' % timeit.timeit(test2)

Oh wow I it's nearly twice as slow. But what do you think about readability?