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: 103376,292c095d622af1d0 X-Google-NewGroupId: yes X-Google-Attributes: gida07f3367d7,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Received: by 10.204.132.81 with SMTP id a17mr151002bkt.4.1336820217255; Sat, 12 May 2012 03:56:57 -0700 (PDT) Path: h15ni8688bkw.0!nntp.google.com!news2.google.com!npeer03.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!post02.iad.highwinds-media.com!news.flashnewsgroups.com-b7.4zTQh5tI3A!not-for-mail From: Stephen Leake Newsgroups: comp.lang.ada Subject: Re: basic question on Ada tasks and running on different cores References: <30585369.219.1336470732142.JavaMail.geo-discussion-forums@ynbq3> Date: Sat, 12 May 2012 06:57:59 -0400 Message-ID: <82d369u0nc.fsf@stephe-leake.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (windows-nt) Cancel-Lock: sha1:XW9ukOqd3CjzSPVWVmtxygqd/m8= MIME-Version: 1.0 X-Complaints-To: abuse@flashnewsgroups.com Organization: FlashNewsgroups.com X-Trace: 0909e4fae41f9e029e66131004 X-Received-Bytes: 1606 Content-Type: text/plain; charset=us-ascii Date: 2012-05-12T06:57:59-04:00 List-Id: "Randy Brukardt" writes: > Secondly, I'm skeptical that any language attempting fine-grained > parallelism can ever perform anywhere near as well as a language using > coarse parallelism (like Ada) and deterministic sequential semantics for the > rest. Any parallelism requires scheduling overhead, and that overhead is > going to be a lot higher for the fine-grained case, simply because there is > a lot more of it needed (even if it is conceptually simpler). Have you been following Parasail? http://parasail-programming-language.blogspot.com/ Not fully implemented yet, but it sounds very interesting. -- -- Stephe