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Re: how to solve memory

From MRAB <python@mrabarnett.plus.com>
Newsgroups comp.lang.python
Subject Re: how to solve memory
Date 2016-06-11 01:33 +0100
Message-ID <mailman.145.1465605243.2306.python-list@python.org> (permalink)
References (1 earlier) <njejs6$ri3$1@reader1.panix.com> <8a1c372e-bd6c-4923-8ae1-8f129ec749e4@googlegroups.com> <njepo0$83e$1@reader1.panix.com> <b2dfb3cb-bc3b-4d97-a3ce-ffa80e0c51f6@googlegroups.com> <f82d995f-17d3-c24c-0610-88e91f540026@mrabarnett.plus.com>

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On 2016-06-11 00:31, meInvent bbird wrote:
> it is quite ridiculous,
> this time i am sure that i put correct indentation
> and add a else statement to make sure recursive call inside the
> if statement , it still memory error,
>
> where is the memory error?
>
> is itertools.combinations so big for the list?
>
[snip]

How long is initlist?

When I ran the code, it said over 100_000 items.

How many combinations would there be?

Over 10_000_000_000.

That's how long the list 'b' would be.

You'll need 10s of gigabytes of memory and a lot of patience!

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Thread

how to solve memory meInvent bbird <jobmattcon@gmail.com> - 2016-06-09 17:58 -0700
  Re: how to solve memory Michael Torrie <torriem@gmail.com> - 2016-06-09 19:12 -0600
    Re: how to solve memory meInvent bbird <jobmattcon@gmail.com> - 2016-06-09 21:59 -0700
  Re: how to solve memory Steven D'Aprano <steve@pearwood.info> - 2016-06-11 00:07 +1000
    Almost crashing computer, was Re: how to solve memory Peter Otten <__peter__@web.de> - 2016-06-10 16:41 +0200
    Re: how to solve memory meInvent bbird <jobmattcon@gmail.com> - 2016-06-10 08:00 -0700
    Re: how to solve memory meInvent bbird <jobmattcon@gmail.com> - 2016-06-10 08:23 -0700
    Re: how to solve memory meInvent bbird <jobmattcon@gmail.com> - 2016-06-10 16:23 -0700
  Re: how to solve memory John Gordon <gordon@panix.com> - 2016-06-10 14:46 +0000
    Re: how to solve memory meInvent bbird <jobmattcon@gmail.com> - 2016-06-10 08:08 -0700
      Re: how to solve memory John Gordon <gordon@panix.com> - 2016-06-10 16:26 +0000
        Re: how to solve memory meInvent bbird <jobmattcon@gmail.com> - 2016-06-10 16:31 -0700
          Re: how to solve memory MRAB <python@mrabarnett.plus.com> - 2016-06-11 01:33 +0100
            Re: how to solve memory meInvent bbird <jobmattcon@gmail.com> - 2016-06-10 21:43 -0700
            Re: how to solve memory meInvent bbird <jobmattcon@gmail.com> - 2016-06-10 22:18 -0700
            Re: how to solve memory meInvent bbird <jobmattcon@gmail.com> - 2016-06-10 22:55 -0700

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