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Article View: comp.sys.transputer
Article #1725

Re: IS Occam3 recursive?

#1725
From: W.G.Day
Date: Thu, 19 Nov 1992 13:56
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In article <rob.722034771@dutncp8> rob@pact.nl (Rob Kurver) writes:
>I'm afraid you've lost me:  why do you think parallelism prevents
>recursion, pointers, dynamic memory and (especially) data structures?
>Parallelism may complicate matters, but it doesn't actually prevent any
>of these things.

As Roger Shepherd said, the mixture of the two, colours performance issues.

>Not necessarily.  A smart enough compiler system may well be able to
>support recursion at a small price if used, but without any overhead if

Why should there have to be a price.

>not used.  This can be implemented by a smart linker, which uses a call
                                         slow

>I don't believe it would be wise for Inmos or any other transputer
>compiler vendor to have parallel and sequential versions of their tools.

What I was suggesting was a sequential language (not that I want to wait
longer for occam 3, but).  This language looks like occam 3 and has a similar
foundation, but has no parallelism, instead it has recursion and pointers and
things.  However, I suspect that "recursion & pointers" and "similar
foundation" are logically incompatible.

>Cheers. - Rob

Warren
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Path: arc1-ca.pugleaf.net!sparky!uunet!pipex!warwick!uknet!rook.ukc.ac.uk!eagle.ukc.ac.uk!wgd
From: wgd@ukc.ac.uk (W.G.Day)
Newsgroups: comp.sys.transputer
Subject: Re: IS Occam3 recursive?
Message-ID: <2306@eagle.ukc.ac.uk>
Date: 19 Nov 92 13:56:05 GMT
References: <MICHAEL.92Nov16185558@lucrece.uk.ac.oxford> <2292@eagle.ukc.ac.uk> <rob.722034771@dutncp8>
Reply-To: wgd@ukc.ac.uk (Warren Day)
Organization: Computing Lab, University of Kent at Canterbury, UK.
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