[Numpy-discussion] python numpy code many times slower than c++
Tue Jan 20 21:00:14 CST 2009
On Tue, Jan 20, 2009 at 20:57, Neal Becker <email@example.com> wrote:
> I see the problem. Thanks for the great profiler! You ought to make this
> more widely known.
I'll be making a release shortly.
> It seems the big chunks of time are used in data conversion between numpy
> and my own vectors classes. Mine are wrappers around boost::ublas. The
> conversion must be falling back on a very inefficient method since there is no
> special code to handle numpy vectors.
> Not sure what is the best solution. It would be _great_ if I could make
> boost::python objects that export a buffer interface, but I have absolutely
> no idea how to do this (and so far noone else has volunteered any info on
Who's not volunteering information, boost::python or us?
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
-- Umberto Eco
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