On 26/02/2013 18:38, Peter Otten wrote:
Robin Becker wrote:
...........3:
$ python -m timeit -s 'from new import instancemethod
from math import sqrt
class A(int): pass
A.m = instancemethod(sqrt, None, A)
a = A(42)
' 'a.m()'
1000000 loops, best of 3: 0.5 usec per loop
$ python -m timeit -s 'from math import sqrt
class A(int):
def m(self):
return sqrt(self)
a = A(42)
' 'a.m()'
1000000 loops, best of 3: 0.473 usec per loop
this analysis might be relevant if I wanted to use sqrt. However, in my case the
method takes
py C
utf8 bytes 50 20 usec
unicode 39 15
here py refers to a native python method and C to the extension method after
adding to the class. Both are called via an instance of the class.
--
Robin Becker
--
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