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Re: Hint For GNU/Linux Progrmmers

From John Ames <commodorejohn@gmail.com>
Newsgroups comp.os.linux.misc
Subject Re: Hint For GNU/Linux Progrmmers
Date 2025-09-12 10:11 -0700
Organization A noiseless patient Spider
Message-ID <20250912101103.00007f46@gmail.com> (permalink)
References (1 earlier) <109uoqs$2n3c4$1@dont-email.me> <109vj1l$2vup8$6@dont-email.me> <XPedndWqAP33WF71nZ2dnZfqnPednZ2d@giganews.com> <186481985309dd34$12201$2237616$802601b3@news.usenetexpress.com> <10a1bmp$3i30k$10@dont-email.me>

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On Fri, 12 Sep 2025 15:45:45 +0100
The Natural Philosopher <tnp@invalid.invalid> wrote:

> > The ATLAS program will automatically tune itself, using compiler
> > options, for the best performance on a particular machine.  
> 
> How does it know what machine is the target?

Presumably it targets the machine on which it's running. Reminds me a
bit of one of the few genuinely smart things MS's .NET framework does -
part of the install/update process involves it auto-profiling/tuning
its core VM interpreter/library in situ so it can accurately benchmark
itself. That only affects raw VM performance (a bad algorithm running
on top of a fast VM is still gonna suck,) and it'd be more involved to
do something comparable with a native-code application (dynamic linking
might save you the trouble of a full recompile, but it'd still be non-
trivial,) but it *is* a nice touch.

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Thread

Hint For GNU/Linux Progrmmers Lester Thorpe <lt@gnu.rocks> - 2025-09-10 12:33 +0000
  Re: Hint For GNU/Linux Progrmmers John McCue <jmclnx@gmail.com.invalid> - 2025-09-11 15:11 +0000
    Re: Hint For GNU/Linux Progrmmers John Ames <commodorejohn@gmail.com> - 2025-09-11 09:30 -0700
      Re: Hint For GNU/Linux Progrmmers c186282 <c186282@nnada.net> - 2025-09-12 00:25 -0400
    Re: Hint For GNU/Linux Progrmmers Lester Thorpe <lt@gnu.rocks> - 2025-09-11 18:42 +0000
    Re: Hint For GNU/Linux Progrmmers Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-09-11 22:38 +0000
      Re: Hint For GNU/Linux Progrmmers c186282 <c186282@nnada.net> - 2025-09-12 03:02 -0400
        Re: Hint For GNU/Linux Progrmmers Lester Thorpe <lt@gnu.rocks> - 2025-09-12 08:19 +0000
          Re: Hint For GNU/Linux Progrmmers Stéphane CARPENTIER <sc@fiat-linux.fr> - 2025-09-13 13:44 +0000
        Re: Hint For GNU/Linux Progrmmers Farley Flud <fsquared@fsquared.linux> - 2025-09-12 10:17 +0000
          Re: Hint For GNU/Linux Progrmmers c186282 <c186282@nnada.net> - 2025-09-12 06:51 -0400
          Re: Hint For GNU/Linux Progrmmers The Natural Philosopher <tnp@invalid.invalid> - 2025-09-12 15:45 +0100
            Re: Hint For GNU/Linux Progrmmers Farley Flud <fsquared@fsquared.linux> - 2025-09-12 15:20 +0000
              Re: Hint For GNU/Linux Progrmmers The Natural Philosopher <tnp@invalid.invalid> - 2025-09-13 07:57 +0100
            Re: Hint For GNU/Linux Progrmmers John Ames <commodorejohn@gmail.com> - 2025-09-12 10:11 -0700
    Re: Hint For GNU/Linux Progrmmers c186282 <c186282@nnada.net> - 2025-09-12 00:15 -0400

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