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Date:      Mon, 1 Aug 2005 21:57:43 -0400
From:      Indigo 23 <indigo23@gmail.com>
To:        freebsd-smp@freebsd.org
Subject:   Re: Experiences with Intel 820 Dual-Core....
Message-ID:  <6f50eac405080118571e8e817b@mail.gmail.com>
In-Reply-To: <130D3DEA-D44D-448B-8A30-0CE76F687FDB@dylangoss.com>
References:  <6f50eac40508011839735ce37e@mail.gmail.com> <130D3DEA-D44D-448B-8A30-0CE76F687FDB@dylangoss.com>

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Well more specifically, I was just wondering if it is a wise idea to turn o=
n=20
HyperThreading (i.e. will I see any benefit performance wise)?=20

PS. I know about the security issue regarding HT already.

On 8/1/05, Dylan Goss <acct@dylangoss.com> wrote:
>=20
> I have a dual core, dual processor IBM xSeries 345 that is running at
> 2.8GHz. I'm not sure if that is the chip, here's part of the dmesg:
>=20
> CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2793.90-MHz 686-class CPU)
> Origin =3D "GenuineIntel" Id =3D 0xf29 Stepping =3D 9
>=20
> Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PG=
E
> ,MCA,C
> MOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
> Hyperthreading: 2 logical CPUs
> real memory =3D 3221069824 (3071 MB)
> avail memory =3D 3150704640 (3004 MB)
> ACPI APIC Table: <IBM SERONYXP>
> FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
> cpu0 (BSP): APIC ID: 0
> cpu1 (AP): APIC ID: 1
> cpu2 (AP): APIC ID: 6
> cpu3 (AP): APIC ID: 7
>=20
> It is running 5.4 release w/SMP enabled and doing well. I can't
> really expand much unless I know what you're looking for, let me know
> if I can help.
>=20
> Best,
> d.
>=20
> On Aug 1, 2005, at 6:39 PM, Indigo 23 wrote:
>=20
> > Anyone have any experiences with FreeBSD running on an Intel
> > Pentium D 820
> > [Dual Core 2.8GHz]?
> > _______________________________________________
> > freebsd-smp@freebsd.org mailing list
> > http://lists.freebsd.org/mailman/listinfo/freebsd-smp
> > To unsubscribe, send any mail to "freebsd-smp-unsubscribe@freebsd.org"
> >
>=20
>



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