Estimating memory use?

[Fredrik Lundh]

Roy Smith wrote:

> I've already discovered one (very) surprising thing -- if I build a dict
> containing all my regexes (takes about 3 minutes on my PowerBook) and
> pickle them to a file, re-loading the pickle takes just about as long as
> compiling them did in the first place.

the internal RE byte code format is version dependent, so pickle stores the
patterns instead.

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