Re: HT Benchmarks (was: /proc/cpuinfo and hyperthreading)

From: H. Peter Anvin (hpa@zytor.com)
Date: Tue Dec 17 2002 - 15:44:22 EST


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>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Mon Dec 23 2002 - 22:00:18 EST