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from ctypes import * | |
from timeit import Timer | |
from random import randint | |
from collections import namedtuple | |
class Point(object): | |
x, y = None, None | |
def __init__(self, x, y): | |
self.x, self.y = x, y | |
class Point_ctypes(Structure): | |
_fields_ = [("x", c_int), ("y", c_int)] | |
class Point_slots(object): | |
__slots__=['x','y'] | |
def __init__(self, x, y): | |
self.x, self.y = x, y | |
Point_namedtuple=namedtuple('Point_n',['x','y']) | |
def sum_(points): | |
sum_x,sum_y=0,0 | |
for point in points: | |
sum_x+=point.x | |
sum_y+=point.y | |
return sum_x,sum_y | |
def rand_points(abs_point,n=10000): | |
return [abs_point(randint(0,1000),randint(0,1000)) for i in xrange(n)] | |
for i in (Point,Point_ctypes,Point_slots,Point_namedtuple): | |
points=rand_points(i) | |
print i.__name__,Timer('sum_(points)','from __main__ import sum_,points').timeit(number=1000) | |
# print i.__name__,Timer('sum([p.x for p in points]),sum([p.y for p in points])','from __main__ import sum_,points').timeit(number=1000) |
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