Charles R Harris
Wed Aug 12 10:53:59 CDT 2009
On Wed, Aug 12, 2009 at 9:29 AM, Scott Sinclair <email@example.com
> >2009/8/12 Keith Goodman <firstname.lastname@example.org>:
> > On Wed, Aug 12, 2009 at 7:24 AM, Keith Goodman<email@example.com>
> >> On Wed, Aug 12, 2009 at 1:31 AM, Lars
> >> Bittrich<firstname.lastname@example.org> 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
Already done. Thanks.
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