[Cython] CEP1000: Native dispatch through callables

[Greg Ewing]

Robert Bradshaw wrote:

> Has anyone done any experiments/timings to see if having constants vs.
> globals even matters?

My gut feeling is that one extra memory read is going to be
insignificant compared to the time taken by the call itself
and whatever it does. But of course gut feelings are always
better when backed up (or refuted!) by measurements.

-- 
Greg