Date: Tue, 18 Apr 2006 13:05:23 +0100 From: RW <list-freebsd-2004@morbius.sent.com> To: freebsd-questions@freebsd.org Subject: Re: CPUTYPE Optimizations Message-ID: <200604181305.25735.list-freebsd-2004@morbius.sent.com> In-Reply-To: <44446F47.4010200@yahoo.com> References: <53599B87179DE947A3F8E90550BA89296BFF@amserver.AffidavitMaker.local> <44446F47.4010200@yahoo.com>
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On Tuesday 18 April 2006 05:47, Brian McKeon wrote: > Bradford Fisher wrote: > >Gathering information as I begin building my optimized make.conf, I > >collected from my sysctl output that I'm running on an Intel Pentium(R) > >4 2.53 GHz processor. I was wondering what architecture would be best > >applied to the CPUTYPE flag. > > > >Thanks, > >-Brad > >_______________________________________________ > >freebsd-questions@freebsd.org mailing list > >http://lists.freebsd.org/mailman/listinfo/freebsd-questions > >To unsubscribe, send any mail to > > "freebsd-questions-unsubscribe@freebsd.org" > > CPUTYPE=pentium4 > or > CPUTYPE=pentium4m > for a mobile chip > > seems logical. however it depends on the type of pentium 4 you have. > There is one chip with more bells and whistles (SSE3 I believe) that has > a specific CPUTYPE associated with it you'd have to check out GCC's > website and lookinto the -march option I know the optimized p4 has a > different name from the general p4 variants, but its exact name escapes > me as I only have the general run of the mill version. > Just run grep SSE /var/run/dmesg.boot if you see SSE3 the type is prescott It's sometimes useful to look in /usr/share/mk/bsd.cpu.mk where a lot of this stuff is defined.
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