Why is indexing into an numpy array that slow?

[bearophileHUGS at lycos.com]

Rüdiger Werner:
> So i am looking for any explaination why the numpy version is that slow
> (i expected it to be at least as fast as the pure python version).

For speed use Psyco with array.array. Psyco is available for Python
2.6 too now.

Bye,
bearophile