On Wed, Jun 1, 2011 at 9:35 PM, David Cournapeau <courn...@gmail.com> wrote: > On Thu, Jun 2, 2011 at 1:49 AM, Mark Miller <markperrymil...@gmail.com> wrote: >> Not quite. Bincount is fine if you have a set of approximately >> sequential numbers. But if you don't.... > > Even worse, it fails miserably if you sequential numbers but with a high > shift. > > np.bincount([100000001, 100000002]) # will take a lof of memory > > Doing bincount with dict is faster in those cases.
same with negative numbers, but in these cases I just subtract the min and we are back to the fast bincount case cheers, Josef > > cheers, > > David > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@scipy.org > http://mail.scipy.org/mailman/listinfo/numpy-discussion > _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
