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Re: xslice idea | a generator slice

References (1 earlier) <c087829a-8e30-4f50-afb9-d28a779932e3@googlegroups.com> <mailman.4590.1373555714.3114.python-list@python.org> <56736add-f372-4245-9f50-076b3d44bb00@googlegroups.com> <CAHVvXxSDQwk1KVLETetOz5EiNK3BjTD=6px_L9SFfcpfbhuYzA@mail.gmail.com> <CAA=1kxR_XPqgA7-_m-WmiZNjczN4-uTNqTPHEzxROCnxMhfGGQ@mail.gmail.com>
From Ian Kelly <ian.g.kelly@gmail.com>
Date 2013-07-11 15:02 -0600
Subject Re: xslice idea | a generator slice
Newsgroups comp.lang.python
Message-ID <mailman.4602.1373576607.3114.python-list@python.org> (permalink)

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On Thu, Jul 11, 2013 at 1:58 PM, Fábio Santos <fabiosantosart@gmail.com> wrote:
> Isn't all of itertools implemented in C? If we are not using a python-level
> and not-so-fast __getitem__ I would wager the C version is a lot faster.
>
> And if the input is indexable could I assume that it is not too large to
> have around in memory and thus any speed increase in looping over it would
> be tiny?

Oscar's version which is an imap of an xrange is also effectively
implemented in C.  Only the setup is in Python.

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Thread

xslice idea | a generator slice Russel Walker <russ.pobox@gmail.com> - 2013-07-11 07:52 -0700
  Re: xslice idea | a generator slice Russel Walker <russ.pobox@gmail.com> - 2013-07-11 07:54 -0700
    Re: xslice idea | a generator slice Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-07-11 16:14 +0100
      Re: xslice idea | a generator slice Russel Walker <russ.pobox@gmail.com> - 2013-07-11 09:21 -0700
        Re: xslice idea | a generator slice Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-07-11 17:34 +0100
        Re: xslice idea | a generator slice Ian Kelly <ian.g.kelly@gmail.com> - 2013-07-11 12:00 -0600
        Re: xslice idea | a generator slice Fábio Santos <fabiosantosart@gmail.com> - 2013-07-11 20:58 +0100
        Re: xslice idea | a generator slice Ian Kelly <ian.g.kelly@gmail.com> - 2013-07-11 15:02 -0600
  Re: xslice idea | a generator slice Ian Kelly <ian.g.kelly@gmail.com> - 2013-07-11 10:16 -0600

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