On Fri, May 11, 2012 at 4:54 PM, Nathaniel Smith <[email protected]> wrote: > I > have lying around my homedir that it would generally be a free speed > win
Don't forget the case where the copy semantics may actually provide an *improvement* in performance by allowing a potentially large array to get deallocated if it was local. People often forget that a *single element* that is a view can 'pin' a huge array to memory by INCREF-ing it. If that large array trashes your cache (or worse, makes you go into swapping), the time savings of using a view will be quickly obliterated. There are cases where a copy can be the fast solution... Cheers, f _______________________________________________ NumPy-Discussion mailing list [email protected] http://mail.scipy.org/mailman/listinfo/numpy-discussion
