Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.python > #77742 > unrolled thread

Re: weakref, memory management and execution slow down in PyQt4

Started byChris Angelico <rosuav@gmail.com>
First post2014-09-10 01:37 +1000
Last post2014-09-10 01:37 +1000
Articles 1 — 1 participant

Back to article view | Back to comp.lang.python

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.


Contents

  Re: weakref, memory management and execution slow down in PyQt4 Chris Angelico <rosuav@gmail.com> - 2014-09-10 01:37 +1000

#77742 — Re: weakref, memory management and execution slow down in PyQt4

FromChris Angelico <rosuav@gmail.com>
Date2014-09-10 01:37 +1000
SubjectRe: weakref, memory management and execution slow down in PyQt4
Message-ID<mailman.13906.1410277030.18130.python-list@python.org>
On Wed, Sep 10, 2014 at 1:32 AM, Michael Torrie <torriem@gmail.com> wrote:
> Yes you're correct.  It is the equivalent.  But it always involves
> lookup in the object's dictionary, which is big O order O(n log n)
> complexity for each and every access.

Where do you get that figure from? A CPython dictionary is implemented
as a hashtable, so algorithmic complexity of lookups ought to be O(1).

ChrisA

[toc] | [standalone]


Back to top | Article view | comp.lang.python


csiph-web