Francesc Alted wrote:
> On Feb 14, 2012, at 1:50 AM, Wes McKinney wrote:
> [clip]
> > But:
> >
> > In [40]: timeit hist[i, j]
> > 1 loops, best of 3: 32 us per loop
> >
> > So that's roughly 7-8x slower than a simple Cython method, so I
> > sincerely hope it could be brought down to
Hi,
I have a short piece of code where the use of an index array "feels
right", but incurs a severe performance penalty: It's about an order
of magnitude slower than all other operations with arrays of that
size.
It comes up in a piece of code which is doing a large number of "on
the fly" histogr