linux-kernel - Re: How to detect multi-core and/or HT-enabled CPUs in 2.4.x and 2.6.x kernels

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Message-ID: <20061227155104.91856.qmail@web32607.mail.mud.yahoo.com>
Date:	Wed, 27 Dec 2006 07:51:04 -0800 (PST)
From:	Martin Knoblauch <knobi@...bisoft.de>
To:	Gleb Natapov <glebn@...taire.com>,
	Arjan van de Ven <arjan@...radead.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: How to detect multi-core and/or HT-enabled CPUs in 2.4.x and 2.6.x kernels


--- Gleb Natapov <glebn@...taire.com> wrote:

> > 
> If I run two threads that are doing only calculations and very little
> or no
> IO at all on the same socket will modern HT and dual core be the same
> (or close) performance wise?
> 

 actually I wanted to write that "HT as implemented on XEONs did not
help a lot for HPC workloads in the past"....

Cheers
Martin

------------------------------------------------------
Martin Knoblauch
email: k n o b i AT knobisoft DOT de
www:   http://www.knobisoft.de
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