On 07/02/2013 01:45 AM, Juan Nunez-Iglesias wrote:

Hi Andy,

On Mon, Jul 1, 2013 at 5:13 PM, Andreas Mueller <amueller@ais.uni-bonn.de> wrote:

Turns out, I didn't. That explains why they are slower than C. Not sure why I did that...

Not really:

http://jakevdp.github.io/blog/2012/08/08/memoryview-benchmarks/

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.

I did use pointers? Well as far as I remember, I tried to make it fast. So yeah, pointers make sense.
Not sure what is wrong, then ... anyhow, speed is acceptable, I guess..
Thanks for giving it a shot!

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