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: 103376,6f24e26ea2e03c4 X-Google-NewGroupId: yes X-Google-Attributes: gida07f3367d7,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!news2.google.com!npeer03.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!nntp.club.cc.cmu.edu!micro-heart-of-gold.mit.edu!newsswitch.lcs.mit.edu!nntp.TheWorld.com!not-for-mail From: Robert A Duff Newsgroups: comp.lang.ada Subject: Re: Ada parallelism Date: Thu, 25 Mar 2010 09:44:11 -0400 Organization: The World Public Access UNIX, Brookline, MA Message-ID: References: <21e6697e-fd7c-4c5e-93dc-8d894449b5e6@f8g2000yqn.googlegroups.com> <4ba9e189$0$6886$9b4e6d93@newsspool2.arcor-online.net> <1id5xnuz0x892$.1odbic5ppiv07.dlg@40tude.net> <4baa27f2$0$6770$9b4e6d93@newsspool3.arcor-online.net> <4baa5987$0$6762$9b4e6d93@newsspool3.arcor-online.net> <109zj9fwa9gxm.1on0bs4bmjkhs.dlg@40tude.net> NNTP-Posting-Host: shell01.theworld.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: pcls4.std.com 1269524642 17176 192.74.137.71 (25 Mar 2010 13:44:02 GMT) X-Complaints-To: abuse@TheWorld.com NNTP-Posting-Date: Thu, 25 Mar 2010 13:44:02 +0000 (UTC) User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (irix) Cancel-Lock: sha1:6cyp/bFtcq94HI0hWLUKXveCrBg= Xref: g2news2.google.com comp.lang.ada:10733 Date: 2010-03-25T09:44:11-04:00 List-Id: "Dmitry A. Kazakov" writes: > I believe that Ada's tasks on massively parallel processors could really > shine if compiler supported. Especially because Ada's parameter passing > model is so flexible to support both memory sharing and marshaling. Well, > there is a problem with tagged types which are by-reference, this must be > fixed (e.g. by providing "tagged" types without tags, and thus copyable). Tagged types are passed by copy when doing a remote procedure call. By "by copy" I mean marshalling/unmarshalling, which of course involves copying the data. Or did you mean something else? - Bob