Re: Register Scoreboarding

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Article #21180

#21180

From: Henry Spencer
Date: Thu, 11 May 1989 21:10

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In article <3288@orca.WV.TEK.COM> andrew@frip.WV.TEK.COM (Andrew Klossner;685-2505;61-201;;frip) writes:
>Clamping the whole CPU on cache miss isn't a technique that can survive
>into the 1990s.  I'm very curious to see what the non-scoreboard folks
>will do.

Probably pretty much what they do now:  let access and execution proceed
in parallel, assuming the data isn't needed right away.  That technique
didn't survive far into the 80s, never mind the 90s.  Are you assuming
that it's done only by the people who loudly trumpet it as an advantage?
-- 
Mars in 1980s:  USSR, 2 tries, |     Henry Spencer at U of Toronto Zoology
2 failures; USA, 0 tries.      | uunet!attcan!utzoo!henry henry@zoo.toronto.edu

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References: <24821@lll-winken.LLNL.GOV> <GRUNWALD.89May9113443@flute.cs.uiuc.edu> <3288@orca.WV.TEK.COM>

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Newsgroups: comp.arch
Path: arc1-ca.pugleaf.net!utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: Register Scoreboarding
Message-ID: <1989May11.211035.2205@utzoo.uucp>
Organization: U of Toronto Zoology
References: <24821@lll-winken.LLNL.GOV> <GRUNWALD.89May9113443@flute.cs.uiuc.edu> <3288@orca.WV.TEK.COM>
Date: Thu, 11 May 89 21:10:35 GMT

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