From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,590b710e61b9ddf8 X-Google-NewGroupId: yes X-Google-Attributes: gida07f3367d7,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Received: by 10.68.222.71 with SMTP id qk7mr10613706pbc.1.1329162963323; Mon, 13 Feb 2012 11:56:03 -0800 (PST) Path: wr5ni21227pbc.0!nntp.google.com!news2.google.com!news.glorb.com!feeder.erje.net!news2.arglkargh.de!news.karotte.org!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Bill Findlay Newsgroups: comp.lang.ada Subject: Re: Concurrency always is non-deterministic? Date: Mon, 13 Feb 2012 19:56:02 +0000 Message-ID: References: <3721724.784.1329154891821.JavaMail.geo-discussion-forums@pbcwt9> <1xf56jbutoa3$.sd93docj14m0$.dlg@40tude.net> Mime-Version: 1.0 X-Trace: individual.net jRIspJC1xjUoHdw9EociZQIWpo3m3aNtH3s2IFcDdkC1pK3gfP Cancel-Lock: sha1:V1sBEYzE9nIXLYXUzmq6MczB6is= User-Agent: Microsoft-Entourage/12.28.0.101117 Thread-Topic: Concurrency always is non-deterministic? Thread-Index: AczqiYM6KPT4ysJWJ0aLa23+vPdyfQ== Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: 2012-02-13T19:56:02+00:00 List-Id: On 13/02/2012 19:38, in article m28vk634mr.fsf@pushface.org, "Simon Wright" wrote: > "Dmitry A. Kazakov" writes: > >> In a narrower sense, RT is when the quality of a value (e.g. of a >> response) depends on the real time. For example, when that value >> degrades as the time passes. Hard real-time is when the value reaches >> 0 in bounded time. A program is said to be real time, when it >> processes certain values before their quality degrades below specified >> (usually by the application domain) level. > > A somewhat different statement from the one I'm used to, which is pretty > much as in http://en.wikipedia.org/wiki/Real-time_computing "The needs of real-time software requires the use of one or more synchronous programming languages" ?? Methinks someone is grinding a proprietary axe. -- Bill Findlay with blueyonder.co.uk; use surname & forename;