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Re: performance of script to write very long lines of random chars

References <24dc619b-7abd-4be3-aa92-f858eb4ab85f@n4g2000yqj.googlegroups.com> <51666aae$0$29977$c3e8da3$5496439d@news.astraweb.com>
From Oscar Benjamin <oscar.j.benjamin@gmail.com>
Date 2013-04-11 10:47 +0100
Subject Re: performance of script to write very long lines of random chars
Newsgroups comp.lang.python
Message-ID <mailman.453.1365673692.3114.python-list@python.org> (permalink)

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On 11 April 2013 08:47, Steven D'Aprano
<steve+comp.lang.python@pearwood.info> wrote:

> One thing to be aware of: urandom may run out of entropy, and then it
> will slow down a lot. If you don't care about cryptographic randomness,
> you could use this instead:

Reading this I'm realising that I don't really know what os.urandom
is. How exactly is it generating random numbers and what do you mean
by it running out of entropy?


Oscar

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performance of script to write very long lines of random chars gry <georgeryoung@gmail.com> - 2013-04-10 18:21 -0700
  Re: performance of script to write very long lines of random chars Chris Angelico <rosuav@gmail.com> - 2013-04-11 11:45 +1000
    Re: performance of script to write very long lines of random chars Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-04-11 05:33 +0000
      Re: performance of script to write very long lines of random chars Chris Angelico <rosuav@gmail.com> - 2013-04-11 15:53 +1000
  Re: performance of script to write very long lines of random chars Michael Torrie <torriem@gmail.com> - 2013-04-10 19:52 -0600
    Re: performance of script to write very long lines of random chars gry <georgeryoung@gmail.com> - 2013-04-10 19:40 -0700
      Re: performance of script to write very long lines of random chars Chris Angelico <rosuav@gmail.com> - 2013-04-11 13:14 +1000
  Re: performance of script to write very long lines of random chars MRAB <python@mrabarnett.plus.com> - 2013-04-11 04:09 +0100
  Re: performance of script to write very long lines of random chars Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-04-11 07:47 +0000
    Re: performance of script to write very long lines of random chars Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-04-11 10:47 +0100
      Re: performance of script to write very long lines of random chars Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-04-11 10:50 +0000
        Re: performance of script to write very long lines of random chars Robert Kern <robert.kern@gmail.com> - 2013-04-11 16:49 +0530
        Re: performance of script to write very long lines of random chars Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-04-11 13:05 +0100
        Re: performance of script to write very long lines of random chars Robert Kern <robert.kern@gmail.com> - 2013-04-11 19:06 +0530
        Re: performance of script to write very long lines of random chars Chris Angelico <rosuav@gmail.com> - 2013-04-11 23:56 +1000
  Re: performance of script to write very long lines of random chars Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-04-11 10:47 +0100

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