From: Phy Prabab <phyprabab@yahoo.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: William Lee Irwin III <wli@holomorphy.com>,
Andrew Morton <akpm@osdl.org>,
jakob@unthought.net, linux-kernel@vger.kernel.org
Subject: Re: Help understanding slow down
Date: Mon, 24 May 2004 00:50:24 -0700 (PDT) [thread overview]
Message-ID: <20040524075024.84699.qmail@web90001.mail.scd.yahoo.com> (raw)
In-Reply-To: <40B1A7DE.8080309@yahoo.com.au>
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NO HT, disabled in bios and did not enable in kernel:
cat /proc/cpuinfo|grep processor|wc -l
2
grep SMT .config (2.6.7-rc1)
# CONFIG_SCHED_SMT is not set
On 2.4.21 I also include "append=noht"
Thanks!
Phy
--- Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> Phy Prabab wrote:
> > For more information, I ran the same test on
> 2.4.21
>
> ...
>
> Is hyperthreading enabled on 2.6 and 2.4? Can you
> send
> a cat /proc/cpuinfo | grep processor for a 2.4 and a
> 2.6
> kernel please?
>
> If you have hyperthreading enabled, try 2.6.7-rc1
> with
> SMT (hyperthreading) scheduler support enabled in
> the
> kernel config. It is in processor type and features
> menu.
>
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next prev parent reply other threads:[~2004-05-24 7:50 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-24 0:32 Phy Prabab
2004-05-24 0:57 ` Phy Prabab
2004-05-24 1:04 ` William Lee Irwin III
2004-05-24 1:25 ` Jakob Oestergaard
2004-05-24 1:28 ` William Lee Irwin III
2004-05-24 1:51 ` Phy Prabab
2004-05-24 2:42 ` Nick Piggin
2004-05-24 2:43 ` Andrew Morton
2004-05-24 6:23 ` Phy Prabab
2004-05-24 6:27 ` William Lee Irwin III
2004-05-24 6:39 ` Phy Prabab
2004-05-24 7:21 ` Phy Prabab
2004-05-24 7:44 ` Nick Piggin
2004-05-24 7:50 ` Phy Prabab [this message]
2004-05-24 7:59 ` Nick Piggin
2004-05-24 10:43 ` Jakob Oestergaard
2004-05-24 14:13 ` Martin J. Bligh
2004-05-24 7:53 ` Andrew Morton
2004-05-24 8:00 ` Phy Prabab
2004-05-25 10:32 ` Ingo Molnar
2004-05-25 9:29 ` Andrew Morton
2004-05-25 11:42 ` Ingo Molnar
2004-05-25 9:58 ` Andrew Morton
2004-05-25 12:25 ` Ingo Molnar
2004-05-24 6:33 ` Paul Rolland
2004-05-24 17:28 ` Roger Luethi
2004-05-24 1:37 Robert M. Stockmann
2004-05-24 1:50 ` Phy Prabab
2004-05-24 3:31 ` Robert M. Stockmann
2004-05-24 6:14 ` Phy Prabab
2004-05-24 18:36 ` Robert M. Stockmann
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