ipython-copiable-benchmark.py

%cpaste
import time


class Test(object):
   __slots__ = ('a', 'b', 'c')
   def __init__(self):
       self.a = 1
       self.b = 1
       self.c = 1


class Test2(object):
   temp = Test()
   temp2 = Test()
   temp3 = Test()


start = time.time()
for x in xrange(1000000000):
    Test2()
print("With slots:{0}".format(time.time() - start))

--

%cpaste
import time


class Test(object):
   #__slots__ = ('a', 'b', 'c')
   def __init__(self):
       self.a = 1
       self.b = 1
       self.c = 1


class Test2(object):
   temp = Test()
   temp2 = Test()
   temp3 = Test()


start = time.time()
for x in xrange(1000000000):
    Test2()
print("Without slots:{0}".format(time.time() - start))

--