Date: Sat, 11 May 1996 14:35:12 -0400 (EDT) From: "matthew c. mead" <mmead@Glock.COM> To: phk@critter.tfs.com (Poul-Henning Kamp) Cc: hackers@freebsd.org Subject: Re: 6x86 120+ Message-ID: <199605111835.OAA13611@neon.Glock.COM> In-Reply-To: <5891.831836840@critter.tfs.com> from "Poul-Henning Kamp" at May 11, 96 05:47:20 pm
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Poul-Henning Kamp writes: > > I just got one of these the other day and installed it. I've > > read before that they accept the full pentium instruction set. > > For all but a few things, it's a fair amount faster than my > > P90(@100). I did notice that these applications that seem slower > > are built with pgcc pentium optimization. Does anyone know if I > > need to build with -m486 to get better performance out of this > > chip, or should I stick with -mpentium? Thanks! > >From what I have heard so far you should only use -mpentium for the P5. > Most of the newer chips run slower with the pentium opts. because the > attempted dual parallel sequences of instructions defeat the lookahead > of the logic in charge of the "RISCification". > Can we have a number for the FreeBSD-stones ? > cd /usr/src > rm -rf /usr/obj/* > time make world Will do it later today - once I'm through moving services around between my new machines. -matt -- Matthew C. Mead mmead@Glock.COM http://www.Glock.COM/~mmead/
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