On Tue, Jul 2, 2013 at 1:45 AM, Juan Nunez-Iglesias <jni.soma@gmail.com> wrote:

Cython + pointers is just as fast as memoryviews. And on SLIC at least, you made liberal use of pointers. =) I just tried my hand at memoryviews at Stéfan's request and it's quite a bit slower currently.

For anyone coming across this thread later: we found the bug, and memoryviews are about as fast as pointers. Stéfan