Path: 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

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