From: Martin Knoblauch <knobi@knobisoft.de>
To: Gleb Natapov <glebn@voltaire.com>,
Arjan van de Ven <arjan@infradead.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: How to detect multi-core and/or HT-enabled CPUs in 2.4.x and 2.6.x kernels
Date: Wed, 27 Dec 2006 07:51:04 -0800 (PST) [thread overview]
Message-ID: <20061227155104.91856.qmail@web32607.mail.mud.yahoo.com> (raw)
In-Reply-To: <20061227152240.GC10953@minantech.com>
--- Gleb Natapov <glebn@voltaire.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
next prev parent reply other threads:[~2006-12-27 15:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-27 14:16 Martin Knoblauch
2006-12-27 14:24 ` Arjan van de Ven
2006-12-27 14:40 ` Martin Knoblauch
2006-12-27 15:13 ` Arjan van de Ven
2006-12-27 15:22 ` Gleb Natapov
2006-12-27 15:38 ` Arjan van de Ven
2006-12-27 15:41 ` Martin Knoblauch
2006-12-27 15:53 ` Arjan van de Ven
2006-12-27 15:51 ` Martin Knoblauch [this message]
2006-12-27 16:09 ` Arjan van de Ven
2006-12-27 17:14 ` Bernd Eckenfels
2006-12-27 17:52 ` Martin Knoblauch
2006-12-27 19:58 ` Siddha, Suresh B
2006-12-27 14:37 ` Jan Engelhardt
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