[Numpy-discussion] when and where to use numpy arrays vs nested lists

[Robert Kern]

Mark P. Miller wrote:

> Now however, I'm seeing perhaps a more serious problem:   The test 
> program that I'm working with went from taking ~80 seconds to run to 
> taking over 10 minutes to run.  I've rolled back to my old numpy version 
> and confirmed that the old version was much faster.  I also tried 
> re-installing 1.0.1, and once again am seeing much slower runtimes.

Give us a small, self-contained benchmark, and we'll see what we can do.

-- 
Robert Kern

"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