gistfile1.py

import time
import random

start = time.time()

SAMPLE_SIZE = 100000

def nothing():
    time.time() # Man, python hates empty blocks

for i in xrange(SAMPLE_SIZE):
    x = random.randrange(10)
    if x == 0:
        nothing()
    elif x == 1:
        nothing()
    elif x == 2:
        nothing()
    elif x == 3:
        nothing()
    elif x == 4:
        nothing()
    elif x == 5:
        nothing()
    elif x == 6:
        nothing()
    elif x == 7:
        nothing()
    elif x == 8:
        nothing()
    elif x == 9:
        nothing()
    
stop = time.time()

print("if chain: " + repr(stop - start) + "\n")

##

map = {
   0: nothing,
   1: nothing,
   2: nothing,
   3: nothing,
   4: nothing,
   5: nothing,
   6: nothing,
   7: nothing,
   8: nothing,
   9: nothing
}

start = time.time()

for i in xrange(SAMPLE_SIZE):
    x = random.randrange(10)
    map[x]()
    
stop = time.time()

print("cached map: " + repr(stop - start) + "\n")

##

start = time.time()

for i in xrange(SAMPLE_SIZE):
    x = random.randrange(10)
    {
       0: nothing,
       1: nothing,
       2: nothing,
       3: nothing,
       4: nothing,
       5: nothing,
       6: nothing,
       7: nothing,
       8: nothing,
       9: nothing
    }[x]()
    
stop = time.time()

print("uncached map: " + repr(stop - start) + "\n")