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Article #245

Re: The naming scheme of Cray X-MP

#245
From: Albert Viall
Date: Fri, 01 Mar 1991 09:30
28 lines
1710 bytes
In article <1991Feb27.221033.27018@csn.org>, mrmca@tramp.Colorado.EDU (MCALLISTER MICHAEL R) writes:
> In article <1991Feb27.190807.26406@msuinfo.cl.msu.edu> sushil@omena.cps.msu.edu (Sushil Bhattacharjee) writes:
> >Hi,
> >This may be the wrong place to ask this question, but I could not find
> >any other appropriate newsgroup. 
> >My question is - What do the numbers at the end of 'Cray X-MP' mean in
> >the name of the machine? 
> >e.g.  What does the 12 mean in 'Cray X-MP/12' or the 48 in 'Cray X-MP/48' ?
> >
> >I do not usually read this newsgroup, so I will appriciate it if you
> >send e-mail to sushil@pixel.cps.msu.edu, in case you know the answer.
> 
> Please send this info to me as well. Thanks.
> I assume the numbers have something to do with the numbers of banks and/or
> cpus.
> 

In some cases, you may see conventions such as 'X-MP4/28' or 'Y-MP8/4128'.
In these examples, the '4' in 'X-MP4/28' means the total number of cpu's that
the system can hold, and the '28' means that the system has '2' cpu's installed
along with '8' mega-words of on-board memory.
The same is true for the Y-MP.
--Al

-- 
Al Viall                            INTERNET: alv@pancake.cray.com
Corporate Computing and Networks        FIDO: 232/2,3
Cray Research, Inc.                     UUCP: ...!umn-cs!timbuk!ferris!alv
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!timbuk!ferris!alv
References: <1991Feb27.190807.26406@msuinfo.cl.msu.edu> <1991Feb27.221033.27018@csn.org>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!timbuk!ferris!alv
From: alv@ferris.cray.com (Albert Viall)
Newsgroups: comp.unix.cray
Subject: Re: The naming scheme of Cray X-MP
Summary: Just an added note.
Message-ID: <023547.3953@timbuk.cray.com>
Date: 1 Mar 91 09:30:14 GMT
References: <1991Feb27.190807.26406@msuinfo.cl.msu.edu> <1991Feb27.221033.27018@csn.org>
Lines: 28