The lib looks good otherwise. Might be a useful educational tool if anything. In my tests it's 2x slower, but it might not be the main reason. I didn't profile

The lib looks good otherwise. Might be a useful educational tool if anything. In my tests it's 2x slower, but it might not be the main reason. I didn't profile it at all. Another thing is that it seems like it doesn't use Atlas to scale to all the cores even though my Python is linked against it.