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Re: Idea for spin-wait loops

From Michael S <already5chosen@yahoo.com>
Newsgroups comp.lang.c++
Subject Re: Idea for spin-wait loops
Date 2024-03-25 19:11 +0200
Organization A noiseless patient Spider
Message-ID <20240325201122.000031d6@yahoo.com> (permalink)
References <utn1eh$3oeks$1@raubtier-asyl.eternal-september.org> <utnff2$3rn1f$1@dont-email.me> <Zf0MN.450378$yEgf.411259@fx09.iad> <20240325153450.000019cf@yahoo.com>

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On Mon, 25 Mar 2024 14:34:50 +0200
Michael S <already5chosen@yahoo.com> wrote:

> On Sun, 24 Mar 2024 20:43:37 GMT
> scott@slp53.sl.home (Scott Lurndal) wrote:
> 
> > "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> writes:  
> > >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
> > >>  
> > 
> > A processor which is doesn't own (or have a shared copy) of the
> > cacheline which would contain that word in memory will never know
> > if it was modified, as it won't see the invalidate messages in
> > a directory-based cache subsystem (leaving aside noncachable
> > accesses to the word in memory, of course).
> >   
> 
> It seems, I didn't understand the idea.

I meant to say 'you' instead of 'I'.

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Thread

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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