Performance comparison between iteration over list of classes and list of class methods

iterate_over_class_or_method.py

import time 


class a: 
	def do_something(self, x):
		return x**2
		
	def do_something1(self, x):
		return x**2
		
	def do_something2(self, x):
		return x**2
		
	def do_something3(self, x):
		return x**2
		
	def do_something4(self, x):
		return x**2
		
	def do_something5(self, x):
		return x**2
		
	def do_something6(self, x):
		return x**2
		
	def do_something7(self, x):
		return x**2
		
	def do_something8(self, x):
		return x**2
		
	def do_something9(self, x):
		return x**2
		
	def do_something10(self, x):
		return x**2
		
	def do_something11(self, x):
		return x**2
		
	def do_something12(self, x):
		return x**2
		

try_class = True

try_callback = False if try_class else True

if try_class:
	li = [a() for i in range(100)]
	
if try_callback: 
	li = [a().do_something for i in range(100)]

start = time.time()
for k in range(400000):
	for i in li:
		if try_class:
			i.do_something(5)
		if try_callback: 
			i(5)
	
print "total: ", time.time() - start