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Re: Optimizing list processing

References <52a8fb2d$0$29992$c3e8da3$5496439d@news.astraweb.com> <mailman.3953.1386815228.18130.python-list@python.org> <52a9a75a$0$29992$c3e8da3$5496439d@news.astraweb.com> <CAPTjJmqQu57xErByF6f6PtsCmq66c2M=xUQBbXZpS3A=exHcsA@mail.gmail.com> <52A9BADB.7030701@mrabarnett.plus.com>
Date 2013-12-13 01:06 +1100
Subject Re: Optimizing list processing
From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.3991.1386857197.18130.python-list@python.org> (permalink)

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On Fri, Dec 13, 2013 at 12:32 AM, MRAB <python@mrabarnett.plus.com> wrote:
>> table[:] = [i for x,i in table]  # Does slice assignment get optimized?
>>
> [snip]
>
> If you're trying that, you could also try:
>
> table[:] = (i for x,i in table)

Right, a tweak which could be applied also to the split version. Thanks MRAB.

ChrisA

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Thread

Optimizing list processing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-11 23:54 +0000
  Re: Optimizing list processing MRAB <python@mrabarnett.plus.com> - 2013-12-12 00:59 +0000
    Re: Optimizing list processing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-12 01:43 +0000
      Re: Optimizing list processing MRAB <python@mrabarnett.plus.com> - 2013-12-12 02:09 +0000
  Re: Optimizing list processing duncan smith <buzzard@invalid.invalid> - 2013-12-12 01:02 +0000
  Re: Optimizing list processing Ben Finney <ben+python@benfinney.id.au> - 2013-12-12 12:18 +1100
  Re: Optimizing list processing Terry Reedy <tjreedy@udel.edu> - 2013-12-11 21:26 -0500
    Re: Optimizing list processing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-12 12:08 +0000
      Re: Optimizing list processing Chris Angelico <rosuav@gmail.com> - 2013-12-12 23:25 +1100
      Re: Optimizing list processing MRAB <python@mrabarnett.plus.com> - 2013-12-12 13:32 +0000
      Re: Optimizing list processing Chris Angelico <rosuav@gmail.com> - 2013-12-13 01:06 +1100
      Re: Optimizing list processing Terry Reedy <tjreedy@udel.edu> - 2013-12-12 13:40 -0500
        Re: Optimizing list processing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-13 00:14 +0000
          Re: Optimizing list processing Chris Angelico <rosuav@gmail.com> - 2013-12-13 12:01 +1100
  Re: Optimizing list processing Stefan Behnel <stefan_ml@behnel.de> - 2013-12-12 12:09 +0100
  Re: Optimizing list processing Peter Otten <__peter__@web.de> - 2013-12-12 16:08 +0100
    Re: Optimizing list processing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-13 03:01 +0000
      Re: Optimizing list processing rusi <rustompmody@gmail.com> - 2013-12-12 21:35 -0800
  Re: Optimizing list processing Terry Reedy <tjreedy@udel.edu> - 2013-12-12 13:07 -0500

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