From owner-freebsd-amd64@FreeBSD.ORG  Wed Oct 18 06:23:05 2006
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From: David Xu <davidxu@freebsd.org>
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Date: Wed, 18 Oct 2006 14:22:59 +0800
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Cc: Benjamin Adams <adamsbd@freebsdworld.net>
Subject: Re: make.conf AMD X2
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On Wednesday 18 October 2006 15:17, Benjamin Adams wrote:
> I was wondering what I should use in my make.conf for my processor:
>
> CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ (2200.09-MHz
> K8-class CPU)
>   Origin = "AuthenticAMD"  Id = 0x20fb1  Stepping = 1
>
> Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MC
>A,C MOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
>   Features2=0x1<SSE3>
>   AMD Features=0xe2500800<SYSCALL,NX,MMX+,FFXSR,LM,3DNow+,3DNow>
>   AMD Features2=0x3<LAHF,CMP>
>   Cores per package: 2
>
>
> Also after I change my make.conf will I have re-install all to take
> advantage of this? (portupgrade -af)
>
> Thanks
>
> Benjamin Adams

I have Athlon 64 X2 3800+ running 64bit FreeBSD,  I never have to set
any flags in make.conf, isn't default configuration already good enough ?

David Xu