From: Martin Berger <M.Berger@doc.ic.ac.uk>
To: Damien Doligez <damien.doligez@inria.fr>, caml-list <caml-list@inria.fr>
Subject: Re: [Caml-list] Re: Where's my non-classical shared memory concurrency technology?
Date: Wed, 28 May 2008 18:41:53 +0100 [thread overview]
Message-ID: <483D9961.9040302@doc.ic.ac.uk> (raw)
In-Reply-To: <CF949D11-6284-4416-ADFE-80A3B4685BB8@inria.fr>
>> But broadcasting is a form of message-passing too!
>
> That wasn't my point. My point was that there is no return channel.
> If you want to know when your write is done, you have to use a lock
> or a memory barrier. Both are very expensive.
As I said, it's a matter of abstraction level. My point is:
you can model both abstraction levels with message passing.
Moreover, using shared memory doesn't magically make these
synchronisation issues go away. They remain.
Martin
next prev parent reply other threads:[~2008-05-28 17:42 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-18 8:39 Berke Durak
2008-05-18 16:35 ` Jon Harrop
2008-05-19 11:45 ` [Caml-list] " Martin Berger
2008-05-19 12:24 ` Berke Durak
2008-05-19 21:47 ` Jon Harrop
2008-05-19 22:24 ` Berke Durak
2008-05-19 22:37 ` Raoul Duke
2008-05-20 0:04 ` Pierre-Evariste Dagand
2008-05-20 21:27 ` David Teller
2008-05-21 7:52 ` Martin Berger
2008-05-21 8:06 ` Martin Berger
2008-05-19 14:09 ` Gerd Stolpmann
2008-05-19 16:30 ` Richard Jones
2008-05-19 18:26 ` Jon Harrop
2008-05-20 7:40 ` Ulf Wiger (TN/EAB)
2008-05-21 8:18 ` Martin Berger
2008-05-21 8:06 ` Martin Berger
2008-05-21 13:50 ` Gerd Stolpmann
2008-05-26 15:29 ` Damien Doligez
2008-05-26 16:08 ` Jon Harrop
2008-05-27 9:34 ` Martin Berger
2008-05-28 11:18 ` Damien Doligez
2008-05-28 12:16 ` Jon Harrop
2008-05-28 17:41 ` Martin Berger [this message]
2008-05-29 12:02 ` Frédéric Gava
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