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From: Jacob Sparre Andersen <jacob@jacob-sparre.dk>
Subject: Benchmarks Game: Thread ring (Was: Large number of tasks slows down my program (using debian) - any fix?)
Date: Fri, 06 Apr 2018 07:58:58 +0200
Date: 2018-04-06T07:58:58+02:00	[thread overview]
Message-ID: <87po3cvpst.fsf_-_@jacob-sparre.dk> (raw)
In-Reply-To: 10e74e0c-119a-4d86-8a12-c05101f744f1@googlegroups.com

Brad Moore <bmoore.ada@gmail.com> writes:

> [...]  I believe the reason why it works as fast as it did, is that an
> Ada protected object can have one task perform the action of the
> protected object on behalf of other tasks that are queued on an entry
> of the protected object.

> The results comparing this version against other approaches in other
> languages can be seen here, where the entries are executed on a
> quad-core machine:

> https://benchmarksgame-team.pages.debian.net/benchmarksgame/performance/threadring.html

From the CPU load data, it looks like the Ada solution has four tasks
running full time, and not just a single one.

Greetings,

Jacob
-- 
"The point is that I am now a perfectly safe penguin!"

  parent reply	other threads:[~2018-04-06  5:58 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-28 18:06 Large number of tasks slows down my program (using debian) - any fix? reinert
2018-03-28 18:49 ` Dennis Lee Bieber
2018-03-28 19:06 ` Paul Rubin
2018-03-28 19:21 ` Dmitry A. Kazakov
2018-03-28 20:17   ` reinert
2018-03-29  8:46     ` reinert
2018-03-29  9:18       ` Dmitry A. Kazakov
2018-03-29 15:39       ` Jeffrey R. Carter
2018-04-15  5:20         ` reinert
2018-03-29 22:33 ` Shark8
2018-03-30  9:04   ` Dmitry A. Kazakov
2018-03-30 20:46     ` Paul Rubin
2018-03-31  0:09       ` Randy Brukardt
2018-03-31  6:00         ` Paul Rubin
2018-03-31  9:37           ` Jacob Sparre Andersen
2018-03-31 10:44             ` Dmitry A. Kazakov
2018-04-02  3:35           ` Randy Brukardt
2018-04-02  6:23     ` alby.gamper
2018-04-02  7:12       ` alby.gamper
2018-04-05 14:07       ` Brad Moore
2018-04-05 15:09         ` Dmitry A. Kazakov
2018-04-07  4:16           ` Brad Moore
2018-04-05 15:30         ` Jeffrey R. Carter
2018-04-05 19:33           ` Spiros Bousbouras
2018-04-05 19:44           ` Simon Wright
2018-04-05 20:25             ` Jeffrey R. Carter
2018-04-06  5:58         ` Jacob Sparre Andersen [this message]
2018-04-07  4:28           ` Benchmarks Game: Thread ring (Was: Large number of tasks slows down my program (using debian) - any fix?) Brad Moore
2018-04-06 15:48         ` Large number of tasks slows down my program (using debian) - any fix? Jeffrey R. Carter
2018-04-07  4:39           ` Brad Moore
2018-04-07  8:15             ` Jeffrey R. Carter
2018-04-07 16:28               ` Brad Moore
2018-04-07 18:41                 ` Jeffrey R. Carter
2018-04-08  0:29                   ` Brad Moore
2018-04-08  8:25                     ` Jeffrey R. Carter
2018-04-08  0:06                 ` Robert I. Eachus
2018-04-07 16:51               ` Brad Moore
2018-04-07 12:21         ` Simon Wright
2018-04-07 16:57           ` Brad Moore
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