[Python-Dev] Reducing memory overhead for dictionaries by removing me_hash (original) (raw)

Kirat Singh kirat.singh at gmail.com
Tue Apr 25 02:20:15 CEST 2006

very true, but python makes it oh so easy to be lazy :-)

On 4/24/06, Guido van Rossum <guido at python.org> wrote:

On 4/23/06, "Martin v. Löwis" <martin at v.loewis.de> wrote: > Kirat Singh wrote: > > The reason I looked into this to begin with was that my code used up a > > bunch of memory which was traceable to lots of little objects with > > instance dicts, so it seemed that if instancedicts took less memory I > > wouldn't have to go and add slots to a bunch of my classes, or > > rewrite things as tuples/lists, etc. > > Ah. In that case, I would be curious if tuning PyDictMINSIZE could > help. If you have many objects of the same type, am I right assuming > they all have the same number of dictionary keys? If so, what is the > dictionary size? Do they use masmalltable, or do they have an extra > matable? But the space savings by using slots is so much bigger! (And less work than hacking the C code too. :-) -- --Guido van Rossum (home page: http://www.python.org/~guido/) -------------- next part -------------- An HTML attachment was scrubbed... URL: http://mail.python.org/pipermail/python-dev/attachments/20060424/9f4ccddf/attachment.htm

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