Wow, very cool. When I implemented the very first Python dict (cribbing from an algorithm in Knuth) I had no idea that 25 years later there would still be ways to improve upon it! I've got a feeling Knuth probably didn't expect this either...
On Sat, Jan 24, 2015 at 2:51 AM, Maciej Fijalkowski <fij...@gmail.com> wrote: > On Sat, Jan 24, 2015 at 12:50 PM, Maciej Fijalkowski <fij...@gmail.com> > wrote: > > Hi > > > > I would like to point out that we implemented rhettingers idea in PyPy > > that makes all the dicts ordered by default and we don't have any > > adverse performance effects (in fact, there is quite significant > > memory saving coming from it). The measurments on CPython could be > > different, but in principle OrderedDict can be implemented as > > efficiently as normal dict. > > > > Writeup: > http://morepypy.blogspot.com/2015/01/faster-more-memory-efficient-and-more.html > > > > Previous discussion: > > https://mail.python.org/pipermail/python-dev/2012-December/123028.html > > > > Cheers, > > fijal > > also as a sidenote: PEP should maybe mention that PyPy is already > supporting it, a bit by chance > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > https://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > https://mail.python.org/mailman/options/python-dev/guido%40python.org > -- --Guido van Rossum (python.org/~guido)
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