Article View: comp.arch
Article #20529Re: RISC as a "technology window"?
From: Paul Rodman
Date: Sun, 26 Mar 1989 01:07
Date: Sun, 26 Mar 1989 01:07
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1246 bytes
In article <22202@shemp.CS.UCLA.EDU> marc@cs.ucla.edu (Marc Tremblay) writes:
>I also believe that putting the Integer unit and the FPU on the same
>chip makes sense. These two units have to communicate quickly....
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
I don't understand why.
In most f.p. codes the integer unit generates
addresses and program counter values, neither of which are needed
by the f.p. unit. What the f.p. unit needs, on the other hand, is
a decent bandwidth to cache and/or memory.
Paul K. Rodman
rodman@mfci.uucp
__... ...__ _.. . _._ ._ .____ __.. ._
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ukma!husc6!yale!mfci!rodman From: rodman@mfci.UUCP (Paul Rodman) Newsgroups: comp.arch Subject: Re: RISC as a "technology window"? Message-ID: <726@m3.mfci.UUCP> Date: 26 Mar 89 01:07:25 GMT References: <1552@vicom.COM> <15690@cup.portal.com> <1562@vicom.COM> <15702@clover.ICO.ISC.COM> <27681@apple.Apple.COM> <15695@winchester.mips.COM> <22974@ames.arc.nasa.gov> <51@microsoft.UUCP> <22202@shemp.CS.UCLA.EDU> Sender: rodman@mfci.UUCP Reply-To: rodman@mfci.UUCP (Paul Rodman) Organization: Multiflow Computer Inc., Branford Ct. 06405 Lines: 17