integer multiplication

[geremy condra]

On Sun, Apr 3, 2011 at 6:20 PM, Eddie Tsay <jianyu44 at gmail.com> wrote:
> Does anyone know what algorithms for integer multiplication does Python use?
> I am trying to compare it to those used by Sage as it seems like it takes
> much longer for Python to do large integer multiplication as compared to
> Sage (anyone know off the top of their heads?)
> thank you

(sorry for the double email, this was supposed to go to the list)

Karatsuba multiplication, at least for large integers.

Geremy Condra