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From: Pierre Chambart <pierre.chambart@laposte.net>
To: Xavier Leroy <Xavier.Leroy@inria.fr>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Thread behaviour
Date: Tue, 01 Oct 2013 01:01:47 -0400	[thread overview]
Message-ID: <524A573B.4030903@laposte.net> (raw)
In-Reply-To: <524941CC.1080906@inria.fr>

On 30/09/2013 05:18, Xavier Leroy wrote:
> On 2013-09-27 12:10, Tom Ridge wrote:
>> I have a little program which creates a thread, and then sits in a loop:
>> [...]
>> When I run the program I get the output:
>>
>> 1
>> 2
>>
>> and the program then sits in the loop.
> It all depends on the whim of the OS scheduler.  OCaml has no control
> over it.  And you shoudn't expect any kind of fairness from the OS
> scheduler, esp. Linux's, which gladly jettisons any pretense of
> fairness in the hope of getting better throughput.
Usualy, the scheduler is fair when you force all threads to run on the
same processor.
But I would still prefer the LWT way for doing message passing.
-- 
Pierre

  parent reply	other threads:[~2013-10-01  5:01 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-27 10:10 Tom Ridge
2013-09-27 10:22 ` Simon Cruanes
2013-09-27 10:27 ` Romain Bardou
2013-09-27 10:51   ` Benedikt Grundmann
2013-09-28 19:09     ` Tom Ridge
2013-09-29  7:54       ` Tom Ridge
2013-09-29 12:37         ` Yaron Minsky
2013-09-29 16:25           ` Tom Ridge
2013-09-29 16:46             ` Chet Murthy
2013-09-29 17:18               ` Tom Ridge
2013-09-29 17:47                 ` Chet Murthy
2013-09-30  8:24                   ` Romain Bardou
2013-10-07 14:57                     ` Goswin von Brederlow
2013-09-30  8:16       ` Romain Bardou
2013-10-01  3:32         ` Ivan Gotovchits
2013-10-07 14:49       ` Goswin von Brederlow
2013-09-30  9:18 ` Xavier Leroy
2013-09-30 15:12   ` Tom Ridge
2013-09-30 16:01     ` Török Edwin
2013-09-30 16:56     ` Gabriel Kerneis
2013-09-30 18:18       ` Alain Frisch
2013-10-01  5:01   ` Pierre Chambart [this message]
2013-10-01  7:21     ` Gabriel Kerneis
2013-10-02 10:37     ` Wojciech Meyer
2013-10-02 11:52       ` Francois Berenger
2013-10-02 11:58         ` Wojciech Meyer

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