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From: fadden@cory.Berkeley.EDU (Andy McFadden)
Newsgroups: comp.sys.apple2
Subject: Re: Multitasking on a II
Summary: Cray
Message-ID: <9810@pasteur.Berkeley.EDU>
Date: 16 Dec 90 01:56:25 GMT
References: <11297.apple.net@pro-angmar> <1990Dec15.093137.17304@ux1.cso.uiuc.edu> <1990Dec15.210148.24966@ee.ualberta.ca>
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In article <1990Dec15.210148.24966@ee.ualberta.ca> jpenne@ee.ualberta.ca (Jerry Penner) writes:
>Just a little note here.  Cray's don't multitask.  They run one job till
>it's done to get the maximum CPU throughput for the job.  Then the next 
>job is sent through.

Not entirely correct.

Under the default Cray OS, this is true.  However, a version of UNIX does
exist for the Cray (unicos?), and it does multitask.  I've seen it.

Check out lynx.berkeley.edu... registered as a cray/xmp.

>It's not fast enough to do two things at once and GS/OS and the Toolbox
>are not re-entrant, making it hard to do.  It might be acceptable on a 
>Zip'ed GS, but I don't have one.

Depends on what you're trying to do.  And there are ways around the non-
reentrancy problems.

>    Jerry Penner	alberta!bode!jpenne	Edmonton, Alberta, Canada

-- 
fadden@cory.berkeley.edu (Andy McFadden)
.!ucbvax!cory!fadden
fadden@hermes.berkeley.edu (when cory throws up)