>2009/8/12 Keith Goodman <kwgood...@gmail.com>: > On Wed, Aug 12, 2009 at 7:24 AM, Keith Goodman<kwgood...@gmail.com> wrote: >> On Wed, Aug 12, 2009 at 1:31 AM, Lars >> Bittrich<lars.bittr...@googlemail.com> wrote: >>> >>> a colleague made me aware of a speed issue with numpy.identity. Since he was >>> using numpy.diag(numpy.ones(N)) before, he expected identity to be at least >>> as >>> fast as diag. But that is not the case. >>> >>> We found that there was a discussion on the list (July, 20th; "My identity" >>> by >>> Keith Goodman). The presented solution was much faster. Someone wondered if >>> the change was already made in the svn. >> >> Things tend to get lost on the mailing list. The next step would be to >> file a ticket on the numpy trac. (I've never done that) That would >> increase the chance of someone important taking a look at it. > > Here's the ticket: > > http://projects.scipy.org/numpy/ticket/1193 >
A patch against recent SVN trunk is attached to the ticket. Please review... Cheers, Scott _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
