*BSD News Article 94805


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From: rone@bofh.noc.best.net (Ron Echeverri)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Pentium Pro and FreeBSD
Date: 29 Apr 1997 10:58:04 -0700
Organization: fidgety systems administrators gmbh
Lines: 22
Message-ID: <5k5crc$8ep$1@bofh.noc.best.net>
References: <5k536g$36f@lace.colorado.edu>
NNTP-Posting-Host: ennui.org
Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:40035


In article <5k536g$36f@lace.colorado.edu>,
Frank Crary <fcrary@rintintin.Colorado.EDU> wrote:
>Is there some way to optimize FreeBSD for a Pentium Pro, and is it worth
>it? /usr/src/sys/i386/conf/LINT lists
>
>cpu             "I386_CPU"
>cpu             "I486_CPU"
>cpu             "I586_CPU"              # aka Pentium(tm)
>
>as valid options, but that doesn't give an option for Pentium Pros.
>Similarly, there is a C compiler optimized for Pentiums, and I find
>it speeds up run times by about 30% relative to non-Pentium compilers,
>but this doesn't appear to be Pentium Pro specific. The kernel and 
>C compiler for Pentiums runs quite well on my Pentium Pro, but I'm
>wondering if there are ways to get more out of my processor by
>customizing the kernel, or using a more optimal compiler, for a Pro...

I believe 2.2.1 has an "I686_CPU" option.  Check LINT there.

rone
-- 
Ron Echeverri         Best Internet Usenet Administration         rone@best.net