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Groups > comp.misc > #13390

Re: how much computers can do in one second

From Marko Rauhamaa <marko@pacujo.net>
Newsgroups comp.misc
Subject Re: how much computers can do in one second
Date 2017-03-29 12:43 +0300
Organization A noiseless patient Spider
Message-ID <87r31gmn9w.fsf@elektro.pacujo.net> (permalink)
References <8737dzq71j.fsf@therandymon.com> <87r31iudou.fsf@elektro.pacujo.net> <87vaqsvr4i.fsf@bsb.me.uk> <8737dwwmdc.fsf@LkoBDZeT.terraraq.uk>

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Richard Kettlewell <invalid@invalid.invalid>:
> There is very little point analyzing the performance of the programs
> quoted above since none of them have well-defined semantics...

The way signed-integer semantics got to be defined in standard C was a
crime against common decency. It keeps on tripping up developers.

Mental note: never do signed-integer arithmetics in C. Do your
calculations unsigned and just cast the final result to a signed type.


Marko

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Thread

how much computers can do in one second RS Wood <rsw@therandymon.com> - 2017-03-27 14:43 +0300
  Re: how much computers can do in one second Marko Rauhamaa <marko@pacujo.net> - 2017-03-27 15:06 +0300
    Re: how much computers can do in one second Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-03-29 01:55 +0100
      Re: how much computers can do in one second Marko Rauhamaa <marko@pacujo.net> - 2017-03-29 10:25 +0300
      Re: how much computers can do in one second Richard Kettlewell <invalid@invalid.invalid> - 2017-03-29 08:52 +0100
        Re: how much computers can do in one second Marko Rauhamaa <marko@pacujo.net> - 2017-03-29 12:43 +0300
          Re: how much computers can do in one second Caecilius <nospam@spamless.invalid> - 2017-03-30 16:07 +0100
            Re: how much computers can do in one second Marko Rauhamaa <marko@pacujo.net> - 2017-03-30 19:09 +0300
              Re: how much computers can do in one second Bob Eager <news0006@eager.cx> - 2017-03-30 21:36 +0000
                Re: how much computers can do in one second Marko Rauhamaa <marko@pacujo.net> - 2017-03-31 09:56 +0300
  Re: how much computers can do in one second Huge <Huge@nowhere.much.invalid> - 2017-03-27 13:51 +0000
  Re: how much computers can do in one second Sylvia Else <sylvia@not.at.this.address> - 2017-03-28 11:57 +1100
    Re: how much computers can do in one second Huge <Huge@nowhere.much.invalid> - 2017-03-28 09:51 +0000
      Re: how much computers can do in one second Bob Eager <news0006@eager.cx> - 2017-03-28 11:12 +0000

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