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Article #3464

Re: CDC Scoreboard reference (was flt pt reg renaming)

#3464
From: Larry Wolfe
Date: Wed, 14 Mar 1990 01:19
52 lines
2470 bytes
In article <36880@mips.mips.COM> mash@mips.COM (John Mashey) writes:
>One more time: calling load-interlocks scoreboards is just marketing
>silliness, confusing, and contradictory to terminology long-used
>in computer architecture.
>Jonathan Smith recently posted a reference to one of the original
>360/91 papers that describe REAL scoreboards, and maybe somebody
>will post a reference to one of the descriptions of the CDC machines
>that have them.
>
see:
 
Design of a Computer, The Control Data 6600
J.E. Thornton
Scott, Foresman and Company Copyright 1970
Library of Congress Catalog Number 74-96462
pp 125 - 134 deal with the scoreboard.

Thornton is identified as VP of the Advanced Design Laboratory, CDC

   "In spite of the large number of computing systems which have been de-
signed and are in use today there is no clear-cut optimum approach to a gen
eral purpose computing system.  Rather, it would seem, we are just begin-
ning to explore the really basic variations from the one address sequential
machines that launched the digital computing industry.

.
.
.
   System design then began to diverge into parallel structures.  This
book describes one of the early machines attempting to explore parallelism
in electrical structure without abandoning the serial structure of the com-
puter programs.  Yet to be explored are parallel machines with wholly new
programming philosophies in which serial execution of a single program is
abandoned.
.
.
.

...from the foreword by Seymore Cray

...much deleted from JM's posting
>
>-- 
>-john mashey	DISCLAIMER: <generic disclaimer, I speak for me only, etc>
>UUCP: 	{ames,decwrl,prls,pyramid}!mips!mash  OR  mash@mips.com
>DDD:  	408-991-0253 or 408-720-1700, x253
>USPS: 	MIPS Computer Systems, 930 E. Arques, Sunnyvale, CA 94086

Larry Wolfe  (speaking soley for himself)

...!cs.utexas.edu!timex!lcw
    512-244-8027
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!halley!lcw
References: <76700171@p.cs.uiuc.edu> <11334@encore.Encore.COM> <36880@mips.mips.COM>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!halley!lcw
From: lcw@halley.UUCP (Larry Wolfe)
Newsgroups: comp.arch
Subject: Re: CDC Scoreboard reference (was flt pt reg renaming)
Summary: Reference to decription of CDC 6600 Scoreboard
Keywords: "REAL scoreboards", CDC 6600
Message-ID: <683@halley.UUCP>
Date: 14 Mar 90 01:19:47 GMT
References: <76700171@p.cs.uiuc.edu> <11334@encore.Encore.COM> <36880@mips.mips.COM>
Reply-To: lcw@timex.UUCP (Larry Wolfe)
Organization: Tandem Computers, Austin, TX
Lines: 52