Article View: comp.arch
Article #22186Re: CISC Silent Spring
From: Phil Ronzone
Date: Wed, 07 Feb 1990 00:39
Date: Wed, 07 Feb 1990 00:39
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1577 bytes
In article <1990Feb5.211208.15741@utzoo.uucp> henry@utzoo.uucp (Henry Spencer) writes:
>No, they've figured out how to make tomorrow's CISC chips perform the
>simpler instructions in the same clock cycle that yesterday's RISC chips
>took to perform similarly simple operations. The complicated instructions
>are still slow (and still rarely used), the RISCs still have a built-in
>lead due to shorter design times, and the CISCs still have a built-in
>handicap due to the mass of instruction/decoding/exception baggage
>dragging along behind their RISC-like cores.
Hmm, like automatic TLB loading, or that even more rarely used set known
as MUL and DIV??? :-)
------Me and my dyslexic keyboard----------------------------------------------
Phil Ronzone Manager Secure UNIX pkr@sgi.COM {decwrl,sun}!sgi!pkr
Silicon Graphics, Inc. "I never vote, it only encourages 'em ..."
-----In honor of Minas, no spell checker was run on this posting---------------
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arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!mcgill-vision!bloom-beacon!snorkelwacker!tut.cis.ohio-state.edu!ucbvax!decwrl!sgi!shinobu!odin!maddog!pkrReferences:
<3300098@m.cs.uiuc.edu> <771@sce.carleton.ca> <35456@mips.mips.COM> <25cb6b65.702c@polyslo.CalPoly.EDU> <1990Feb5.211208.15741@utzoo.uucp>Show Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!mcgill-vision!bloom-beacon!snorkelwacker!tut.cis.ohio-state.edu!ucbvax!decwrl!sgi!shinobu!odin!maddog!pkr From: pkr@maddog.sgi.com (Phil Ronzone) Newsgroups: comp.arch Subject: Re: CISC Silent Spring Message-ID: <3674@odin.SGI.COM> Date: 7 Feb 90 00:39:53 GMT References: <3300098@m.cs.uiuc.edu> <771@sce.carleton.ca> <35456@mips.mips.COM> <25cb6b65.702c@polyslo.CalPoly.EDU> <1990Feb5.211208.15741@utzoo.uucp> Sender: news@odin.SGI.COM Organization: Silicon Graphics, Inc., Mountain View, CA Lines: 17