Magic Optimisation

[simonwittber at gmail.com]

Paul McGuire wrote:
> I still think there are savings to be had by looping inside the
> try-except block, which avoids many setup/teardown exception handling
> steps.  This is not so pretty in another way (repeated while on
> check()), but I would be interested in your timings w.r.t. your current
> code.

Your suggested optimisation worked nicely. It shaved 0.02 seconds from
a loop over 10000 iterators, and about 0.002 seconds from a loop over
1000 iterators.