Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753764AbZIGPYm (ORCPT ); Mon, 7 Sep 2009 11:24:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753693AbZIGPYm (ORCPT ); Mon, 7 Sep 2009 11:24:42 -0400 Received: from smtp20.orange.fr ([80.12.242.26]:27754 "EHLO smtp20.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753632AbZIGPYl (ORCPT ); Mon, 7 Sep 2009 11:24:41 -0400 X-ME-UUID: 20090907152442706.AC74720000A1@mwinf2027.orange.fr Subject: Re: [quad core results] BFS vs. mainline scheduler benchmarks and measurements From: Xavier Bestel To: Arjan van de Ven Cc: Markus Tornqvist , Ingo Molnar , Frans Pop , kernel@kolivas.org, linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl, efault@gmx.de In-Reply-To: <20090907074507.7f00a3ec@infradead.org> References: <20090907121613.GA32097@elte.hu> <20090907131905.GP28624@nysv.org> <20090907074507.7f00a3ec@infradead.org> Content-Type: text/plain Date: Mon, 07 Sep 2009 17:24:29 +0200 Message-Id: <1252337069.31087.17.camel@skunk> Mime-Version: 1.0 X-Mailer: Evolution 2.12.3 (2.12.3-8.el5_2.3) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 983 Lines: 28 On Mon, 2009-09-07 at 07:45 -0700, Arjan van de Ven wrote: > On Mon, 7 Sep 2009 16:41:51 +0300 > > >It shows similar curves and behavior to the 8-core results i posted > > >- BFS is slower than mainline in virtually every measurement. The > > >ratios are different for different parts of the graphs - but the > > >trend is similar. > > > > Dude, not cool. > > > > 1. Quad HT is not the same as a 4-core desktop, you're doing it with > > 8 cores > > 4 cores, 8 threads. Which is basically the standard desktop cpu going > forward... (4 cores already is today, 8 threads is that any day now) Except on your typical smartphone, which will run linux and probably vastly outnumber the number of "traditional" linux desktops. Xav -- 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/