From: "J.A. Magallon" <jamagallon@able.es>
To: Scott Robert Ladd <scott@coyotegulch.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: HT Benchmarks (was: /proc/cpuinfo and hyperthreading)
Date: Tue, 17 Dec 2002 00:27:55 +0100 [thread overview]
Message-ID: <20021216232755.GA3750@werewolf.able.es> (raw)
In-Reply-To: <FKEAJLBKJCGBDJJIPJLJAEOLDLAA.scott@coyotegulch.com>; from scott@coyotegulch.com on Tue, Dec 17, 2002 at 00:21:08 +0100
On 2002.12.17 Scott Robert Ladd wrote:
[...]
>
>From what I can see, HT provides a 0-15% increase in performance, depending
>heavily on the type of code being run. In other words, HT helps, but it is
>*no* substitute for true multiple processors. And it is ONLY of value when
>an SMP kernel is in use.
>
What I don't like is that Intel sells it like the best thing since sliced
bread, and get a money for it, see the price of Xeons compared to normal P4s...
--
J.A. Magallon <jamagallon@able.es> \ Software is like sex:
werewolf.able.es \ It's better when it's free
Mandrake Linux release 9.1 (Cooker) for i586
Linux 2.4.20-jam1 (gcc 3.2 (Mandrake Linux 9.1 3.2-4mdk))
next prev parent reply other threads:[~2002-12-16 23:20 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200212160004.gBG04g130091@hera.kernel.org>
2002-12-16 2:34 ` [XFS] add missing file xfs_iomap.c Anders Gustafsson
2002-12-16 3:58 ` /proc/cpuinfo and hyperthreading Scott Robert Ladd
2002-12-16 4:02 ` Robert Love
2002-12-16 4:13 ` Scott Robert Ladd
2002-12-16 6:28 ` Zwane Mwaikambo
2002-12-16 6:35 ` Zwane Mwaikambo
2002-12-16 13:38 ` Scott Robert Ladd
2002-12-16 13:54 ` Brian Jackson
2002-12-16 14:10 ` Richard B. Johnson
2002-12-16 14:56 ` Scott Robert Ladd
2002-12-16 15:11 ` Måns Rullgård
2002-12-16 15:44 ` HT Benchmarks (was: /proc/cpuinfo and hyperthreading) Scott Robert Ladd
2002-12-16 22:38 ` J.A. Magallon
2002-12-16 23:21 ` Scott Robert Ladd
2002-12-16 23:27 ` J.A. Magallon [this message]
2002-12-17 11:03 ` Denis Vlasenko
2002-12-17 20:44 ` H. Peter Anvin
2002-12-16 23:50 ` H. Peter Anvin
2002-12-17 19:27 ` Bill Davidsen
2002-12-16 15:52 ` /proc/cpuinfo and hyperthreading Andrew Theurer
2002-12-16 14:08 ` Dave Jones
2002-12-16 14:36 ` Scott Robert Ladd
2002-12-16 4:39 ` [XFS] add missing file xfs_iomap.c Linus Torvalds
[not found] <1_0212161441436926@cichlid.com>
2002-12-18 17:56 ` HT Benchmarks (was: /proc/cpuinfo and hyperthreading) Andrew Burgess
2002-12-19 22:04 ` J.A. Magallon
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