[Python-Dev] The memo of pickle
Tue, 06 Aug 2002 22:31:41 +0200
Martin v. Loewis wrote:
> pickle currently puts tuples into the memo on pickling, but only ever
> uses the position field (), never the object itself ().
> 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
> 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.
While that may save you some bytes, wouldn't it break pickle
subclasses using the memo as well ?
CEO eGenix.com Software GmbH
eGenix.com -- Makers of the Python mx Extensions: mxDateTime,mxODBC,...
Python Consulting: http://www.egenix.com/
Python Software: http://www.egenix.com/files/python/