[Python-Dev] nested scopes confusion

Thomas Heller thomas.heller@ion-tof.com
Tue, 4 Dec 2001 21:28:17 +0100

> But the performance characteristics of class vs. function is really
> the bottleneck of your application?  Are you sure that nested fuctions
> are really cheaper?
Is seems do.

Here's a simple test:

def Method(index):
    return lambda self, *args: index

class A:
    def test(self, *args):
        return 5

class C:
    test = Method(42)

a = A()
c = C()

Calling a.test() takes 3.3 microseconds, and c.test() takes 3.16 microseconds.