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Re: Idea for spin-wait loops

From "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com>
Newsgroups comp.lang.c++
Subject Re: Idea for spin-wait loops
Date 2024-03-23 13:52 -0700
Organization A noiseless patient Spider
Message-ID <utnff2$3rn1f$1@dont-email.me> (permalink)
References <utn1eh$3oeks$1@raubtier-asyl.eternal-september.org>

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On 3/23/2024 9:53 AM, Bonita Montero wrote:
> I've got a nice idea for a new processor-extrension for spin-wait
> -loops. The idea is that a thread of a processors enters a sleep
> state if a word in memory is equal to a certain register until
> the cacheline containing the word is modified or there's a timeout
> according to the timestamp-counter's value.
> This would eliminate active spinning and polling a value in memory.
> Polling would occur only if the cacheline would be modified by
> another thread.

futex

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Idea for spin-wait loops Bonita Montero <Bonita.Montero@gmail.com> - 2024-03-23 17:53 +0100
  Re: Idea for spin-wait loops "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-03-23 13:52 -0700
    Re: Idea for spin-wait loops "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-03-23 13:58 -0700
      Re: Idea for spin-wait loops Bonita Montero <Bonita.Montero@gmail.com> - 2024-03-24 07:38 +0100
        Re: Idea for spin-wait loops "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-03-25 19:48 -0700
          Re: Idea for spin-wait loops Bonita Montero <Bonita.Montero@gmail.com> - 2024-03-26 11:12 +0100
            Re: Idea for spin-wait loops "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-03-26 13:02 -0700
              Re: Idea for spin-wait loops Bonita Montero <Bonita.Montero@gmail.com> - 2024-03-26 21:23 +0100
                Re: Idea for spin-wait loops "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-03-26 13:30 -0700
                Re: Idea for spin-wait loops "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-03-26 13:31 -0700
                Re: Idea for spin-wait loops Bonita Montero <Bonita.Montero@gmail.com> - 2024-03-27 10:18 +0100
              Re: Idea for spin-wait loops Michael S <already5chosen@yahoo.com> - 2024-03-27 17:09 +0200
                Re: Idea for spin-wait loops "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-03-27 12:58 -0700
    Re: Idea for spin-wait loops Bonita Montero <Bonita.Montero@gmail.com> - 2024-03-24 07:37 +0100
      Re: Idea for spin-wait loops "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-03-24 12:33 -0700
    Re: Idea for spin-wait loops scott@slp53.sl.home (Scott Lurndal) - 2024-03-24 20:43 +0000
      Re: Idea for spin-wait loops Bonita Montero <Bonita.Montero@gmail.com> - 2024-03-25 07:23 +0100
      Re: Idea for spin-wait loops Michael S <already5chosen@yahoo.com> - 2024-03-25 14:34 +0200
        Re: Idea for spin-wait loops Michael S <already5chosen@yahoo.com> - 2024-03-25 19:11 +0200
        Re: Idea for spin-wait loops Bonita Montero <Bonita.Montero@gmail.com> - 2024-03-25 18:53 +0100
          Re: Idea for spin-wait loops "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-03-26 13:13 -0700

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