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To: linux-kernel@vger.kernel.org
From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: HT Benchmarks (was: /proc/cpuinfo and hyperthreading)
Date: 17 Dec 2002 12:44:22 -0800
Organization: Transmeta Corporation, Santa Clara CA
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References: <FKEAJLBKJCGBDJJIPJLJAEOLDLAA.scott@coyotegulch.com> <20021216232755.GA3750@werewolf.able.es> <200212170614.gBH6ELs15888@Port.imtp.ilyichevsk.odessa.ua>
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Followup to:  <200212170614.gBH6ELs15888@Port.imtp.ilyichevsk.odessa.ua>
By author:    Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua>
In newsgroup: linux.dev.kernel
> 
> As to HT, it's definitely a good thing. Multiple CPUs on a chip is
> a logical step. HT in P4 is rather weak, but future processors will
> likely have more advanced cores.
> 

SMT and SMP-on-chip are two very different things.

> I never heard about HT from AMD camp. I'm curious what they do. ;)

Not have insanely long pipelines, so that a single thread can actually
use the processor functional units?

	-hpa
-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt	<amsp@zytor.com>
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