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From: John McCabe <john@nospam.assen.demon.co.uk>
Newsgroups: comp.lang.ada
Subject: Re: C++0x and Threads - a poor relation to Ada's tasking model?
Date: Fri, 14 Aug 2009 13:50:11 +0100
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Date: 2009-08-14T13:50:11+01:00
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On Fri, 14 Aug 2009 14:23:49 +0200, "Dmitry A. Kazakov"
<mailbox@dmitry-kazakov.de> wrote:

>On Fri, 14 Aug 2009 12:13:49 +0100, John McCabe wrote:
>
>> I'll have a look at that. As a matter of interest, a long time ago
>> there were parallel C compilers for the Transputer. How did the
>> thread/processors communicate/interact in those languages?
>
>That was an operating system called PARIX. The idea was that each processor
>ran one process communicating with its neighbours over four serial 10Mbaud
>links. Individual transputers didn't have much memory, normally 4MB. I
>remember it was possible to have simple LIFO scheduling, so one could have
>threads, but that was not the "intended" use. I played with an idea to make
>an Ada (83) compiler for the beast. That never happened. It is close to 20
>years ago... (:-()

I did a lot of work on Transputers, but in Occam which made it
relatively easy for me to understand Ada's tasking when I got taught
it. We had a C compiler for the T800 from Niche I think, but I don't
remember anything specific about an OS.