why memoizing is faster

[Terry Reedy]

On 3/26/2011 12:17 AM, Stefan Behnel wrote:

> Not "restarted" in the sense that it gets cleaned up, though. The above
> simply passes an explicit value for it that will be used for the single
> call.

Which satisfies the time test need, but...

 > Future calls won't be affected.

Good point. If one does fib(10000) and wants to dump the cache without 
dumping all references to the function object, one can currently do
   fib_iter.__kwdefaults__['_cache'] = [0,1]
to truly reset the cache, at least with CPython.

-- 
Terry Jan Reedy