Duff's Device? (Was: Re: i860 overview (long))

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Article #20242

#20242

From: Mike Haertel
Date: Fri, 10 Mar 1989 13:53

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In article <12000@haddock.ima.isc.com> suitti@haddock.ima.isc.com (Stephen Uitti) writes:
>The whole "duff's
>device" bcopy & memcpy discussions of a few months ago are at
>least partly based on this idea.

I have heard of "Duff's device" in reference to graphics, etc.  I am
presently trying to write some fast bitblt routines; is Duff's device
relevant to this?  Can someone send me some information on Duff's device?
Please mail, don't post.
-- 
Mike Haertel <mike@stolaf.edu>
In Hell they run VMS.

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!nic.MR.NET!thor.acc.stolaf.edu!mike
From: mike@thor.acc.stolaf.edu (Mike Haertel)
Newsgroups: comp.arch,comp.sys.intel
Subject: Duff's Device? (Was: Re: i860 overview (long))
Message-ID: <1444@thor.acc.stolaf.edu>
Date: 10 Mar 89 13:53:54 GMT
References: <807@microsoft.UUCP> <92634@sun.uucp> <13322@steinmetz.ge.com> <1133@auspex.UUCP> <12000@haddock.ima.isc.com>
Reply-To: mike@thor.UUCP (CP^ZAZPPPYPYXU zQYhBYPYoZO)
Followup-To: comp.arch
Organization: St. Olaf College; Northfield, MN
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