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From: belcampo <belcampo@zonnet.nl>
To: Andi Kleen <andi@firstfloor.org>
Cc: Chris Snook <csnook@redhat.com>,
	Andrew Buehler <abuehler.kernel@gmail.com>,
	Frederik Deweerdt <deweerdt@free.fr>,
	linux-kernel@vger.kernel.org
Subject: Re: Hyperthreading performance oddities
Date: Sat, 08 Mar 2008 08:12:10 +0100	[thread overview]
Message-ID: <47D23C4A.1030409@zonnet.nl> (raw)
In-Reply-To: <87zltae3y7.fsf@basil.nowhere.org>

Hi all,

Back to basics:

Kernel 2.6.22.9 smp hyperthreading needs 338.143s
with 2.6.17 kernel smp/hyperthreading needs 247.704s
for exactly the same job on the same machine.

For me it's not about HT vs. non-MT

Henk Schoneveld


  reply	other threads:[~2008-03-08  7:12 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-22  9:36 Hyperthreading performance oddities belcampo
2008-02-22 10:06 ` Frederik Deweerdt
2008-03-07 13:37   ` Andrew Buehler
2008-03-07 19:08     ` Chris Snook
2008-03-07 19:20       ` Andi Kleen
2008-03-08  7:12         ` belcampo [this message]
2008-03-08  7:30         ` Willy Tarreau
2008-03-08 11:46           ` Andi Kleen
2008-03-08 12:34             ` Willy Tarreau
2008-03-08 12:43               ` Andi Kleen

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