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Re: Non-blocking asynchronous execution

From Arnold Doray <invalid@invalid.com>
Newsgroups comp.lang.forth
Subject Re: Non-blocking asynchronous execution
Date 2012-07-26 02:54 +0000
Organization A noiseless patient Spider
Message-ID <juqbgg$tkd$3@dont-email.me> (permalink)
References <jup4k8$u1a$1@dont-email.me> <061b3425-03ac-41b3-855b-0cece78a4ad0@googlegroups.com>

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On Wed, 25 Jul 2012 14:41:13 -0700, rickman wrote:

> 
> I've always had a hard time remembering what the term "blocking" and
> "non-blocking" means because the term does not indicate what is being
> blocked or not.  In this case I assume you are talking about sharing a
> single processor between multiple processes and the terms refer to the
> CPU being blocked or not blocked for execution of other processes?
> 

A program is made up of many tasks. 

"non-blocking" means a task does not "block" (prevented from being 
executed) just because a preceding task did (say waiting on I/O). 

> I am working with multiple processors so I don't have that problem. 
> Each processor does one thing, does it well and then waits for the other
> processor to feed it some more data.  This is the data flow model.
> 
> Rick

So, if a task blocks on I/O, its CPU is idle? That seems to me to be a 
horrible waste of resources.

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Thread

Non-blocking asynchronous execution Arnold Doray <invalid@invalid.com> - 2012-07-25 15:50 +0000
  Re: Non-blocking asynchronous execution Mark Wills <markrobertwills@yahoo.co.uk> - 2012-07-25 09:09 -0700
    Re: Non-blocking asynchronous execution Arnold Doray <invalid@invalid.com> - 2012-07-26 02:48 +0000
  Re: Non-blocking asynchronous execution rickman <gnuarm@gmail.com> - 2012-07-25 14:41 -0700
    Re: Non-blocking asynchronous execution Arnold Doray <invalid@invalid.com> - 2012-07-26 02:54 +0000
      Re: Non-blocking asynchronous execution Paul Rubin <no.email@nospam.invalid> - 2012-07-25 20:48 -0700
  Re: Non-blocking asynchronous execution krishna.myneni@ccreweb.org - 2012-07-25 16:57 -0700
    Re: Non-blocking asynchronous execution Paul Rubin <no.email@nospam.invalid> - 2012-07-25 17:22 -0700
      Re: Non-blocking asynchronous execution krishna.myneni@ccreweb.org - 2012-07-25 18:22 -0700
        Re: Non-blocking asynchronous execution Arnold Doray <invalid@invalid.com> - 2012-07-26 03:03 +0000
          Re: Non-blocking asynchronous execution krishna.myneni@ccreweb.org - 2012-07-26 00:59 -0700
            Re: Non-blocking asynchronous execution Arnold Doray <invalid@invalid.com> - 2012-07-26 08:27 +0000
              Re: Non-blocking asynchronous execution krishna.myneni@ccreweb.org - 2012-07-26 11:02 -0700
                Re: Non-blocking asynchronous execution Arnold Doray <invalid@invalid.com> - 2012-07-27 05:09 +0000
        Re: Non-blocking asynchronous execution Paul Rubin <no.email@nospam.invalid> - 2012-07-27 00:03 -0700
          Re: Non-blocking asynchronous execution Albert van der Horst <albert@spenarnc.xs4all.nl> - 2012-07-27 11:55 +0000
  Re: Non-blocking asynchronous execution Paul Rubin <no.email@nospam.invalid> - 2012-07-25 17:48 -0700
    Re: Non-blocking asynchronous execution Arnold Doray <invalid@invalid.com> - 2012-07-26 02:44 +0000
      Re: Non-blocking asynchronous execution "Elizabeth D. Rather" <erather@forth.com> - 2012-07-25 17:26 -1000
        Re: Non-blocking asynchronous execution Arnold Doray <invalid@invalid.com> - 2012-07-27 05:23 +0000
          Re: Non-blocking asynchronous execution Paul Rubin <no.email@nospam.invalid> - 2012-07-26 23:24 -0700
      Re: Non-blocking asynchronous execution Paul Rubin <no.email@nospam.invalid> - 2012-07-25 20:56 -0700
        Re: Non-blocking asynchronous execution Arnold Doray <invalid@invalid.com> - 2012-07-26 08:21 +0000
          Re: Non-blocking asynchronous execution Paul Rubin <no.email@nospam.invalid> - 2012-07-26 13:43 -0700
            Re: Non-blocking asynchronous execution Arnold Doray <invalid@invalid.com> - 2012-07-27 04:40 +0000
              Re: Non-blocking asynchronous execution Paul Rubin <no.email@nospam.invalid> - 2012-07-26 23:10 -0700
  Re: Non-blocking asynchronous execution jim@rainbarrel.com - 2012-07-27 10:41 -0700

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