From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754010AbYDPUwE (ORCPT ); Wed, 16 Apr 2008 16:52:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752540AbYDPUvx (ORCPT ); Wed, 16 Apr 2008 16:51:53 -0400 Received: from smtp-out03.alice-dsl.net ([88.44.63.5]:24347 "EHLO smtp-out03.alice-dsl.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751089AbYDPUvx (ORCPT ); Wed, 16 Apr 2008 16:51:53 -0400 To: Ingo Molnar cc: linux-kernel@vger.kernel.org Subject: Re: [v2.6.26] what's brewing in x86.git for v2.6.26 From: Andi Kleen References: <20080416202338.GA6007@elte.hu> Date: Wed, 16 Apr 2008 22:50:51 +0200 In-Reply-To: <20080416202338.GA6007@elte.hu> (Ingo Molnar's message of "Wed, 16 Apr 2008 22:23:38 +0200") Message-ID: <878wzdikwk.fsf@basil.nowhere.org> User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-OriginalArrivalTime: 16 Apr 2008 20:44:05.0313 (UTC) FILETIME=[9C531B10:01C8A002] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ingo Molnar writes: > - generalized bitops - they are faster and smaller. Faster in a 100% bogus benchmark with the most unrealistic input data set one can imagine with some effort. They might be faster or they might be slower, nobody really knows currently. -Andi