import time import timeit import random import operator from decimal i

  • Anonymous
  • Python
  • 18 Feb 2009 
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import time

import timeit

import random

import operator

from decimal import Decimal

import sys



def c2(t, op):

    a1=t(214.12)

    a2=t(34.123)

    for x in range(100):

        op(a1,a2)

        op(a1,a2)

        op(a1,a2)

        op(a1,a2)





def mid(ti):

    res = []

    for x in range(10):

        res.append(ti.timeit(100))

    return sum(res)/len(res)

ops = [operator.add,operator.sub,operator.mul,operator.div]

types = [int, long, float, complex]

values = [ random.random()*1000 for x in range(1,100)]

results = []

tnames = {int:'int    ', long:'long   ',float:'float  ',

          Decimal:'decimal',complex:'complex'}

onames = {operator.add:'+',operator.sub:'-',operator.mul:'*',

          operator.div:'/'}

print('Working...')

for t in types:

    for op in ops:

        tmp = [ t(random.randint(1,x)) for x in range(2,12)]

        func = (lambda: c2(t, op))

        ti = timeit.Timer(func)

        results.append( [tnames[t], onames[op], mid(ti)] )



m = 100

for result in results:

    m = result[2] if result[2] < m else m

print "Data Type\tOp\tVisualisation"

for result in results:

    print result[0],'\t',result[1],'\t','#'*int(m/result[2]*40)
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