Date: Tue, 23 Feb 2010 12:21:25 +0000 From: RW <rwmaillists@googlemail.com> To: freebsd-questions@freebsd.org Subject: Re: Using "march=native" in "/etc/make.conf" Message-ID: <20100223122125.1b03f0ec@gumby.homeunix.com> In-Reply-To: <BLU0-SMTP33922A15BBF65DB9FDE88493420@phx.gbl> References: <BLU0-SMTP33922A15BBF65DB9FDE88493420@phx.gbl>
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On Tue, 23 Feb 2010 06:41:04 -0500 Carmel <carmel_ny@hotmail.com> wrote: > I just acquired an older Gateway GT5220 with an AMD 62 Athlon-x2 > dual processor. I want to set it up as a sort of test machine. There > does not seem to be a specific setting for 'cpu-type' or 'march' for > this machine. I have notices on some Linux forums that they recommend > using the 'native' keyword; i.e., "march=native" in the 'make.conf' > file to get the most optimization out of the CPU. Would that be > correct for FreeBSD also? Would it also be appropriate for other CPUs > as well? FreeBSD sets "march" and other default settings based on CPUTYPE. It's probably better to set that.
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