Date: Wed, 12 Jan 2005 12:24:56 +0700 (ICT) From: Olivier Nicole <on@cs.ait.ac.th> Cc: freebsd-questions@freebsd.org Subject: Re: Hyperthreading hurts 5.3? Message-ID: <200501120524.j0C5OuwT084915@mail.cs.ait.ac.th> In-Reply-To: <509984787.20050112062118@wanadoo.fr> (message from Anthony Atkielski on Wed, 12 Jan 2005 06:21:18 %2B0100)
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> Is a hyperthreading CPU identical to a second CPU from the software's > standpoint? If not, what are the differences? I am not sure, but it is some how detected as 2 CPUs 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 Olivier
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