Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756354AbXFYWA1 (ORCPT ); Mon, 25 Jun 2007 18:00:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752386AbXFYWAR (ORCPT ); Mon, 25 Jun 2007 18:00:17 -0400 Received: from scrub.xs4all.nl ([194.109.195.176]:3607 "EHLO scrub.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752365AbXFYWAQ (ORCPT ); Mon, 25 Jun 2007 18:00:16 -0400 Date: Tue, 26 Jun 2007 00:00:28 +0200 (CEST) From: Roman Zippel X-X-Sender: roman@scrub.home To: Jesper Juhl cc: Ingo Molnar , linux-kernel@vger.kernel.org, Andrew Morton , John Stultz , Thomas Gleixner Subject: Re: [patch, v2.6.22-rc6] sys_time() speedup In-Reply-To: <9a8748490706251417v10b3f24bwdf7ebd44093eaddf@mail.gmail.com> Message-ID: References: <20070625200601.GA18980@elte.hu> <200706252309.47467.zippel@linux-m68k.org> <9a8748490706251417v10b3f24bwdf7ebd44093eaddf@mail.gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 834 Lines: 24 Hi, On Mon, 25 Jun 2007, Jesper Juhl wrote: > > On Monday 25 June 2007, Ingo Molnar wrote: > > > > > the patch improves the sysbench OLTP macrobenchmark significantly: > > > > Has that any real practical relevance? > > > It seems to me that Ingo's patch offers slightly improved performance > for any program using the time() system call, with no real drawbacks, > so why wouldn't we want to use it? How do you come to the conclusion it has no real drawbacks? Ingo provided no information about his test setup and his patch was a little strange, so I can't say that yet. bye, Roman - 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/