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Groups > comp.lang.java.programmer > #18748

Re: CAS and scalability [...]

Newsgroups comp.lang.java.programmer
Date 2012-09-13 14:20 -0700
References <k2tgrh$j5f$1@dont-email.me>
Message-ID <cd213bd3-a7f9-4b99-acf6-0e74ab901103@googlegroups.com> (permalink)
Subject Re: CAS and scalability [...]
From Lew <lewbloch@gmail.com>

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aminer wrote:
> when the CAS operation "goes on the bus", use of CAS can impair scalability.
> but CAS can be accomplished locally -- that is, with no bus transactions --
> and then it can scale.
> 
> If we then change the CAS operation that goes on the bus to a normal store
> you'll also see a similar slow-down in terms of coherency bus traffic, CAS
> isn't appreciably different than a normal store. Also the lock: prefix
> caused
> the LOCK# signal to be asserted, acquiring exclusive access to the bus.
> This doesn't scale of course
> 
> As you have noticed i  have wrote parallelhashlist (a parallel hashtable),

Why do you spew your irrelevant and illiterate spam on the comp.lang.java.programmer 
newsgroup?

You are a spammer, and not a good writer.

Please stop spamming.

-- 
Lew

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Thread

CAS and scalability [...] "aminer" <aminer@videotron.ca> - 2012-09-13 16:48 -0500
  Re: CAS and scalability [...] Lew <lewbloch@gmail.com> - 2012-09-13 14:20 -0700
    Re: CAS and scalability [...] "aminer" <aminer@videotron.ca> - 2012-09-13 19:08 -0500
    Re: CAS and scalability [...] "aminer" <aminer@videotron.ca> - 2012-09-13 19:11 -0500
      Re: CAS and scalability [...] Arne Vajhøj <arne@vajhoej.dk> - 2012-09-13 20:22 -0400
      Re: CAS and scalability [...] Kevin McMurtrie <mcmurtrie@pixelmemory.us> - 2012-09-13 21:47 -0700
        Re: CAS and scalability [...] Patricia Shanahan <pats@acm.org> - 2012-09-13 22:34 -0700
  Re: CAS and scalability [...] Patricia Shanahan <pats@acm.org> - 2012-09-13 15:04 -0700
    Re: CAS and scalability [...] "aminer" <aminer@videotron.ca> - 2012-09-13 19:17 -0500
      Re: CAS and scalability [...] Lew <lewbloch@gmail.com> - 2012-09-13 16:21 -0700
      Re: CAS and scalability [...] Patricia Shanahan <pats@acm.org> - 2012-09-13 16:44 -0700
      Re: CAS and scalability [...] Arne Vajhøj <arne@vajhoej.dk> - 2012-09-13 20:24 -0400
  Re: CAS and scalability [...] "aminer" <aminer@videotron.ca> - 2012-09-13 19:02 -0500

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