Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 16 Dec 2002 18:20:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 16 Dec 2002 18:20:24 -0500 Received: from smtp09.iddeo.es ([62.81.186.19]:32957 "EHLO smtp09.retemail.es") by vger.kernel.org with ESMTP id ; Mon, 16 Dec 2002 18:20:23 -0500 Date: Tue, 17 Dec 2002 00:27:55 +0100 From: "J.A. Magallon" To: Scott Robert Ladd Cc: Linux Kernel Mailing List Subject: Re: HT Benchmarks (was: /proc/cpuinfo and hyperthreading) Message-ID: <20021216232755.GA3750@werewolf.able.es> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Disposition: inline Content-Transfer-Encoding: 7BIT In-Reply-To: ; from scott@coyotegulch.com on Tue, Dec 17, 2002 at 00:21:08 +0100 X-Mailer: Balsa 1.4.1 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 972 Lines: 18 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 \ 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)) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/