python setattr test

setattr_test.py

# _*_ coding: utf-8 _*_
# http://stackoverflow.com/questions/12798653/does-setattr-and-getattr-slow-down-the-speed-dramatically
# run:  time python setattr_test.py

class O(object):
    pass

o = O()
for i in xrange(10000000):
   setattr(o, 'a', 1)  # python setattr_test.py  1.44s user 0.01s system 99% cpu 1.449 total
   #o.a = 1  # python setattr_test.py  0.68s user 0.00s system 99% cpu 0.686 total