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Re: Why Python is slow

From Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups comp.lang.c
Subject Re: Why Python is slow
Date 2017-01-26 18:24 +0000
Organization A noiseless patient Spider
Message-ID <87o9yt1xyo.fsf@bsb.me.uk> (permalink)
References (2 earlier) <o69r1u$s39$1@dont-email.me> <5fa6528c-ecf9-451e-9cf2-c44d16a83f3d@googlegroups.com> <o6d2s1$d1j$1@dont-email.me> <87wpdh20r9.fsf@bsb.me.uk> <61081d73-734f-4769-b9d8-fb26b5a8202d@googlegroups.com>

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supercat@casperkitty.com writes:

> On Thursday, January 26, 2017 at 11:24:05 AM UTC-6, Ben Bacarisse wrote:
>> >> The C expression pow(3, pow(3, pow(3, 3)) just comes back with "inf"
>> >> in under just-noticeable time on my machine.
>> >
>> > That's actually quite a reasonable answer.
>> 
>> It's much further from the correct answer than, say, zero.  Even
>> -DBL_MAX is a better estimate! :-)
>
> That depends whether "inf" is taken to mean "infinity" or "some value that
> exceeds DBL_MAX by an unknown amount".  I think the latter interpretation
> is more consistent with the behavior of the type.

... but not more consistent with the smiley.

<snip>
-- 
Ben.

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Thread

Why Python is slow thunderbirdmember@gmail.com - 2017-01-24 10:22 -0800
  Re: Why Python is slow Richard Heathfield <rjh@cpax.org.uk> - 2017-01-24 18:33 +0000
  Re: Why Python is slow Richard Heathfield <rjh@cpax.org.uk> - 2017-01-24 20:14 +0000
    Re: Why Python is slow luser droog <luser.droog@gmail.com> - 2017-01-26 10:13 -0800
    Re: Why Python is slow Tim Rentsch <txr@alumni.caltech.edu> - 2017-01-30 05:50 -0800
  Re: Why Python is slow bart4858@gmail.com - 2017-01-24 13:21 -0800
  Re: Why Python is slow BartC <bc@freeuk.com> - 2017-01-24 22:23 +0000
  Re: Why Python is slow "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-01-24 17:11 -0800
    Re: Why Python is slow "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-01-24 19:26 -0800
    Re: Why Python is slow "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-01-25 12:50 -0800
      Re: Why Python is slow BartC <bc@freeuk.com> - 2017-01-25 21:52 +0000
        Re: Why Python is slow "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-01-25 14:30 -0800
          Re: Why Python is slow BartC <bc@freeuk.com> - 2017-01-25 22:59 +0000
            Re: Why Python is slow "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-01-27 13:20 -0800
      Re: Why Python is slow DFS <nospam@dfs.com> - 2017-01-25 19:22 -0500
        Re: Why Python is slow "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-01-26 13:40 -0800
  Re: Why Python is slow David Brown <david.brown@hesbynett.no> - 2017-01-25 10:29 +0100
    Re: Why Python is slow gazelle@shell.xmission.com (Kenny McCormack) - 2017-01-25 10:38 +0000
    Re: Why Python is slow Malcolm McLean <malcolm.mclean5@btinternet.com> - 2017-01-26 06:44 -0800
      Re: Why Python is slow Richard Heathfield <rjh@cpax.org.uk> - 2017-01-26 15:00 +0000
        Re: Why Python is slow Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-01-26 17:23 +0000
          Re: Why Python is slow supercat@casperkitty.com - 2017-01-26 09:42 -0800
            Re: Why Python is slow Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-01-26 18:24 +0000
      Re: Why Python is slow David Brown <david.brown@hesbynett.no> - 2017-01-26 16:14 +0100
        Re: Why Python is slow Malcolm McLean <malcolm.mclean5@btinternet.com> - 2017-01-26 12:49 -0800
          Re: Why Python is slow Robert Wessel <robertwessel2@yahoo.com> - 2017-01-26 15:11 -0600
          Re: Why Python is slow David Brown <david.brown@hesbynett.no> - 2017-01-26 23:56 +0100
        Re: Why Python is slow Keith Thompson <kst-u@mib.org> - 2017-01-26 15:20 -0800
          Re: Why Python is slow David Brown <david.brown@hesbynett.no> - 2017-01-27 09:31 +0100
      Re: Why Python is slow fir <profesor.fir@gmail.com> - 2017-01-27 07:24 -0800
        Re: Why Python is slow fir <profesor.fir@gmail.com> - 2017-01-27 07:57 -0800
          Re: Why Python is slow fir <profesor.fir@gmail.com> - 2017-01-27 08:46 -0800
        Re: Why Python is slow supercat@casperkitty.com - 2017-01-27 08:06 -0800
          Re: Why Python is slow fir <profesor.fir@gmail.com> - 2017-01-27 08:39 -0800
            Re: Why Python is slow fir <profesor.fir@gmail.com> - 2017-01-27 13:29 -0800
  Re: 3**3**3**3 Noob <root@127.0.0.1> - 2017-01-27 14:33 +0100

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