[issue13735] The protocol > 0 of cPickle does not given stable dictionary values

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

> Regarding the "marshal", I presume, that somehow the dictionary when
> created via "marshal" (or compile, if no ".pyc" is involved?) first
> time is somehow less efficient to determine/stream that the one
> "cPickle" created.

I don't think so.  marshal uses a much simpler and less general
serialization protocol, so it should theoretically (!) be faster as
well.
For example, I don't think marshal supports recursive structures.

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