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Groups > comp.lang.c++ > #120459
| From | "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> |
|---|---|
| Newsgroups | comp.lang.c++ |
| Subject | Re: a try_lock pattern... |
| Date | 2024-09-29 13:18 -0700 |
| Organization | A noiseless patient Spider |
| Message-ID | <vdccn8$1s42m$3@dont-email.me> (permalink) |
| References | <vd8an7$15ff9$1@dont-email.me> <vd8cmd$159kt$3@dont-email.me> <vd9kph$1c8ti$1@dont-email.me> <ODgKO.253710$FzW1.65557@fx14.iad> <vdc5g7$1rc8c$1@raubtier-asyl.eternal-september.org> |
On 9/29/2024 11:15 AM, Bonita Montero wrote: > Am 29.09.2024 um 20:03 schrieb Scott Lurndal: > >> Seems a waste. Just fire up two threads one for b work >> and one for a work. Let the OS manage the CPUs. > > That's what I also thought but he thinks there are tiny tasks > which you can do optionally. But these are never expendable. > The tiny, or not so tiny, tasks are meant to act like a sort of "backoff", in a sense. Think about an adaptive mutex that spins (doing nothing) in user space before it calls into the kernel for an actual wait on a contended mutex (very slow path). Well, what if each spin was getting work done instead of spinning for no work at all, just waiting for the contended lock to be unlocked... I need to create another test.
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a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-09-28 00:20 -0700
Re: a try_lock pattern... Paavo Helde <eesnimi@osa.pri.ee> - 2024-09-28 10:53 +0300
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-09-28 12:18 -0700
Re: a try_lock pattern... scott@slp53.sl.home (Scott Lurndal) - 2024-09-29 18:03 +0000
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-29 20:15 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-09-29 13:18 -0700
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-30 07:53 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-09-30 16:41 -0700
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-01 06:45 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-10-01 11:44 -0700
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-01 21:40 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-10-01 12:48 -0700
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-09-29 12:55 -0700
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-28 10:40 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-09-28 12:55 -0700
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-09-28 16:30 -0700
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-29 08:15 +0200
Re: a try_lock pattern... Muttley@dastardlyhq.com - 2024-09-29 09:01 +0000
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-29 12:54 +0200
Re: a try_lock pattern... Muttley@dastardlyhq.com - 2024-09-29 14:56 +0000
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-29 17:20 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-09-29 13:24 -0700
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-09-29 14:03 -0700
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-30 07:51 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-10-01 12:34 -0700
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-02 00:58 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-09-29 14:45 -0700
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-30 07:52 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-09-30 18:11 -0700
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-01 06:47 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-10-01 11:45 -0700
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-30 08:02 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-09-30 16:37 -0700
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-01 09:17 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-10-01 11:49 -0700
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-10-01 12:37 -0700
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-02 01:30 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-10-01 16:37 -0700
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-02 01:43 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-10-01 18:20 -0700
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-02 03:24 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-10-01 18:25 -0700
Re: a try_lock pattern... Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-02 04:13 +0200
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-10-02 16:57 -0700
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-09-29 19:53 -0700
Re: a try_lock pattern... "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-09-29 12:58 -0700
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