Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752736AbZLVHdb (ORCPT ); Tue, 22 Dec 2009 02:33:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752141AbZLVHda (ORCPT ); Tue, 22 Dec 2009 02:33:30 -0500 Received: from mail-px0-f189.google.com ([209.85.216.189]:41127 "EHLO mail-px0-f189.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750919AbZLVHd3 (ORCPT ); Tue, 22 Dec 2009 02:33:29 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; b=nEApLaWxsiXmso8VkGUzqSzz7HAQjNUg9jNjbh20CLwDEddfq7s6aiMXC8y0BDXduz Ll1Id16Rfq1RKFIrQXbHqwEI9tYc9hSvX9+5pW5p3+pe40HqLmQi3of7l4iL1ATuGImc ikl3PkUHMHtvG4BcR1jMuA91gxdiY6R1ZUeV0= MIME-Version: 1.0 In-Reply-To: <1261324276.7227.11.camel@marge.simson.net> References: <1261042383.14314.0.camel@localhost> <1261195412.8240.153.camel@marge.simson.net> <1261244163.14314.62.camel@localhost> <200912200422.18314.andres@anarazel.de> <1261311050.14314.67.camel@localhost> <1261321981.6105.60.camel@marge.simson.net> <1261324276.7227.11.camel@marge.simson.net> From: Jason Garrett-Glaser Date: Tue, 22 Dec 2009 02:33:08 -0500 Message-ID: <28f2fcbc0912212333yd35f8a8jf0c7087b74fd3582@mail.gmail.com> Subject: Re: x264 benchmarks BFS vs CFS To: Mike Galbraith Cc: Kasper Sandberg , Andres Freund , Con Kolivas , Ingo Molnar , Peter Zijlstra , LKML Mailinglist Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 548 Lines: 14 Benchmarks for the new threading model are up, along with a few others: http://doom10.org/index.php?topic=78.0 Interestingly enough, CFS beats BFS on zerolatency by a significant margin. Unsurprisingly, given the threading model, the optimal number of threads is equal to the number of cores. Jason -- 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/