[Python-ideas] [RFC] draft PEP: Dedicated infix operators for matrix multiplication and matrix power

[Oscar Benjamin]

On 15 March 2014 12:28, Antoine Pitrou <solipsis at pitrou.net> wrote:
> On Sat, 15 Mar 2014 12:20:42 +0000
> Oscar Benjamin
> <oscar.j.benjamin at gmail.com> wrote:
>>
>> I don't think it's a premature optimisation. It's a significant
>> algorithmic optimisation.
>
> You could also make the multiplications lazy (and enforce the optimal
> order when computing the final result) rather than enforce that
> optimization at the language parsing level. It would be more flexible,
> and would also avoid potentially pessimizing other use cases.

That's true. I believe both blaze and numpypy intend to introduce
optimisations in this style.


Oscar