> pickle currently puts tuples into the memo on pickling, but only ever > uses the position field ([0]), never the object itself ([1]). > > I understand that the reference to the object is needed to keep it > alive while pickling. > > Unfortunately, this means one needs to allocate 36 bytes for the > tuple. > > I think this memory consumption could be reduced by saving the objects > in a list, and only saving the position in the memo dictionary. That > would save roughly 32 bytes per memoized object, assuming there is no > malloc overhead. > > What do you think? Is it worth it? Have you made a patch? What use case are you thinking of? > Regards, > Martin > > P.S. It would be even more efficient if there was an identity > dictionary. Sorry, what's an identity dict? --Guido van Rossum (home page: http://www.python.org/~guido/)
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