Article View: comp.arch
Article #20775Re: 486 and 68040
From: Eugene Brooks
Date: Sat, 15 Apr 1989 19:56
Date: Sat, 15 Apr 1989 19:56
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In article <12435@reed.UUCP> mdr@reed.UUCP (Mike Rutenberg) writes: >From my memory, the other things that stand out about the i486: > * call and return now take significantly fewer clock cycles. > * the on-chip fpu is much faster than the 80387. It was unclear > if this was due simply to being on-chip or whether it involved > architecture changes to the fpu. How much faster? Is it even close to one flop per clock? brooks@maddog.llnl.gov, brooks@maddog.uucp
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!lll-winken!maddog!brooks From: brooks@maddog.llnl.gov (Eugene Brooks) Newsgroups: comp.arch Subject: Re: 486 and 68040 Message-ID: <23726@lll-winken.LLNL.GOV> Date: 15 Apr 89 19:56:16 GMT References: <17131@cup.portal.com> <12435@reed.UUCP> Sender: usenet@lll-winken.LLNL.GOV Reply-To: brooks@maddog.llnl.gov (Eugene Brooks) Organization: Lawrence Livermore National Laboratory Lines: 10