Article View: comp.sys.powerpc
Article #1490Re: Debate: PowerMac "trounces" Pentium....???
From: Jim Williams
Date: Tue, 22 Aug 1995 20:27
Date: Tue, 22 Aug 1995 20:27
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Dan.Pop@mail.cern.ch (Dan Pop) wrote: >In <Pine.SUN.3.91.950821100405.5161B-100000-100000@spad.eng.auburn.edu> > >The bitness of an architecture is not defined by the size of the external >data bus, period. > Now I'm wondering if he used the word "external" anywhere. I won't go looking. Will you agree that 1) memory is slower than cpu, and 2) most programs don't fit in cache? If this is true then the external bus is generally the bottleneck. I'm perfectly happy with a definition of bitness which revolves about the bottleneck... In fact that seems like a very good definition to me -- the bitness of a machine is the path width of that portion of of the machine which happens to be the usual bottleneck. (Obviously not the type of definition marketing managers would like...:) -- Jim Williams. Find a Linux/GNU User Group near you: http://www.tiac.net/users/williams/lugnuts/
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Path: arc1-ca.pugleaf.net!sundog.tiac.net!usenet From: Jim Williams <williams@tiac.net> Newsgroups: comp.sys.powerpc,comp.os.linux.advocacy,comp.sys.mac.advocacy,comp.os.os2.advocacy,comp.sys.amiga.advocacy,comp.sys.intel Subject: Re: Debate: PowerMac "trounces" Pentium....??? Date: 22 Aug 1995 20:27:34 GMT Organization: Elision Message-ID: <41dejm$d1p@sundog.tiac.net> References: <Pine.SUN.3.91.950821100405.5161B-100000-100000@spad.eng.auburn.edu> <danpop.809096185@rscernix> NNTP-Posting-Host: elision.tiac.net Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 1.1N (Windows; I; 16bit)