Date: Thu, 12 Jun 2008 09:16:15 +0200 From: Torben Jakobsen <torben.jakobsen@dk.ibm.com> To: freebsd-questions@freebsd.org Subject: Re: Effects of CPUTYPE Message-ID: <OF8E0043F1.94A4EB6D-ONC1257466.0026AC53-C1257466.0027F090@dk.ibm.com> In-Reply-To: <20080611202826.C73093@wojtek.tensor.gdynia.pl> References: <200806111709.m5BH9g7K064402@lurza.secnetix.de> <20080611202826.C73093@wojtek.tensor.gdynia.pl>
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> [image removed]=20 >=20 > Re: Effects of CPUTYPE >=20 > Wojciech Puchar=20 >=20 > to: >=20 > freebsd-questions, parish >=20 > 2008-06-11 20:31 >=20 > Sent by: >=20 > owner-freebsd-questions@freebsd.org >=20 > > > In my personal opinion, the small gain you get is more than > > > overwhelmed by the big pain you get from setting CPUTYPE. > > > > I'm setting CPUTYPE on all of my machines for many years, > > without the slightest problems. No pain at all. They're > > all kinds of different processors, c3-2 (VIA), athlon64, > > and so on. In some cases the difference is very noticable. >=20 > exactly like me. i set it everywhere, no problems. >=20 > =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to=20 "freebsd-questions-unsubscribe@freebsd.org" I had the opposite problem: I could not build the world/kernel until I set = CPUTYPE to "c3-2" (or "c3"). It was a brand new VIA EDEN-EX 1.5GHz with no = other things installed but a copy of the 7.0-RELEASE-p1 source. (I did not = have compile problems when I installed the 6.2 on a similar machine) I set CPUTYPE in /etc/make.conf. I think it is only used by the gcc=20 compiler so it will probably only make a difference if you compile ports=20 or from source. Compiling the kernel/world with CPUTYPE=3Dc3-2 I think I see an improved=20 boot time. I do not know of other gains as the server idles most of the=20 time so I do not really care as long as it is stable. I never did try to=20 time the kernel and world builds. :-) Torben Medmindre andet er angivet ovenfor: / Unless Otherwise Stated Above: IBM Danmark A/S Nym=F8llevej 91 2800 Kongens Lyngby, Danmark CVR nr.: 65305216=20
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