Alex Martelli wrote:
> Steven D'Aprano <[EMAIL PROTECTED]> wrote:
>    ...
> 
>>detail you shouldn't care about. Functions that cache the result of long
>>time-consuming complications are _good_. 
> 
> 
> Not necessarily --
> <http://blogs.msdn.com/oldnewthing/archive/2004/12/20/327369.aspx>
> asserts the exactly opposite principle, "Don't save anything you can
> recalculate"... of course, the best approach is generally a compromise,
> but it's good to be aware of the potentially high costs of caching:-).
> 
> 
> Alex

     Abelson and Sussman has a better discussion of this subject.
Look under "memoization".

                                        John Nagle
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