Newsgroups: comp.parallel
From: Paul Gaudet <pgaudet@bbn.com>
Subject: Re: KSR reliability (was Re: SMP vs. MPP)
Organization: Bolt Beranek and Newman (BBN)
Date: Wed, 11 Jan 1995 15:28:06 GMT
Message-ID: <3f0r7n$ahk@info-server.bbn.com>


>> 
>> Yes, there was a reliability problem -- in fact more than one --
>> but I don't see this as anything surprising.  The KSR machines were
>> still relatively new products, and AllCache the first hardware
>> implementation of virtually shared memory.
>
>Surely the BBN GP1000 (a later version of the Butterfly) had
>virtually shared memory --- they ran Mach.  On the other hand, a lot of
>BBN Butterfly hardware engineers moved to KSR after BBN announced
>it was getting out of the parallel processor business.
>
>- dave mankins (dm@bbn.com, dm@world.std.com)

Dave is correct.  Furthermore the TC2000 is still available for sale from BBN
and we still support both the GP1000 and TC2000.  We are currently developing
a new processor node that will employ a PowerPC 604 with the option of having
two PPC604's per node.  

Paul Gaudet
BBN Systems and Technologies
pgaudet@bbn.com



