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Re: set and dict iteration

References (8 earlier) <mailman.3476.1345328046.4697.python-list@python.org> <mailman.3480.1345343315.4697.python-list@python.org> <c7452db1-5b78-4d54-81a1-1c8683631d6e@googlegroups.com> <mailman.3883.1346095064.4697.python-list@python.org> <1567e8c7-a2bb-41f4-9be8-18e9f4d063cb@googlegroups.com>
From Ian Kelly <ian.g.kelly@gmail.com>
Date 2012-09-03 13:29 -0600
Subject Re: set and dict iteration
Newsgroups comp.lang.python
Message-ID <mailman.154.1346700607.27098.python-list@python.org> (permalink)

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On Sun, Sep 2, 2012 at 11:43 AM, Aaron Brady <castironpi@gmail.com> wrote:
> We could use a Python long object for the version index to prevent overflow.  Combined with P. Rubin's idea to count the number of open iterators, most use cases still wouldn't exceed a single word comparison; we could reset the counter when there weren't any.

We could use a Python long; I just don't think the extra overhead is
justified in a data structure that is already highly optimized for
speed.  Incrementing and testing a C int is *much* faster than doing
the same with a Python long.

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Re: set and dict iteration Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-27 13:17 -0600
  Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-09-02 10:43 -0700
    Re: set and dict iteration Ian Kelly <ian.g.kelly@gmail.com> - 2012-09-03 13:29 -0600
      Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-09-03 13:04 -0700
        Re: set and dict iteration Dave Angel <d@davea.name> - 2012-09-03 16:27 -0400
          Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-09-03 17:24 -0700
          Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-09-03 17:24 -0700
      Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-09-03 13:04 -0700
        Re: set and dict iteration Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-09-04 01:26 +0000
          Re: set and dict iteration Dave Angel <d@davea.name> - 2012-09-03 21:50 -0400
            Re: set and dict iteration Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-09-04 01:59 +0000
              Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-09-08 08:42 -0700
  Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-09-02 10:43 -0700

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