> -----Original Message----- > From: "Martin v. Löwis" [mailto:mar...@v.loewis.de] > Sent: 3. ágúst 2010 20:48 > To: Kristján Valur Jónsson > Cc: Python-Dev > Subject: Re: [Python-Dev] pickle output not unique > > > I just wanted to point this out. We'll attempt some local > workarounds > > here, but it should otherwise be simple to modify pickling to > optionally > > turn off this optimization and always generate the same output > > irrespective of the internal reference counts of the objects. > > I think there are many other instances where values that compare equal > pickle differently in Python. By relying on this property for hashing, > you are really operating on thin ice.
Well, it is not _that_ dangerous. It just causes cache misses when they wouldn't be expected. But since this has been brought up and dismissed in issue 8738, I won't pursue this further. K _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
