Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261351AbVEQHoA (ORCPT ); Tue, 17 May 2005 03:44:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261333AbVEQHmq (ORCPT ); Tue, 17 May 2005 03:42:46 -0400 Received: from mx1.elte.hu ([157.181.1.137]:46744 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S261351AbVEQHlG (ORCPT ); Tue, 17 May 2005 03:41:06 -0400 Date: Tue, 17 May 2005 09:40:37 +0200 From: Ingo Molnar To: Nick Piggin Cc: "David S. Miller" , anton@samba.org, paulus@samba.org, Andrew Morton , linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [patch] improve SMP reschedule and idle routines Message-ID: <20050517074037.GA13810@elte.hu> References: <42881FE2.2000302@yahoo.com.au> <20050515.220455.59467677.davem@davemloft.net> <42899E78.6040306@yahoo.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <42899E78.6040306@yahoo.com.au> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamVersion: MailScanner 4.31.6-itk1 (ELTE 1.2) SpamAssassin 2.63 ClamAV 0.73 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-4.9, required 5.9, autolearn=not spam, BAYES_00 -4.90 X-ELTE-SpamLevel: X-ELTE-SpamScore: -4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1134 Lines: 35 * Nick Piggin wrote: > David S. Miller wrote: > > >I'll test this once you work out that obvious bug. > > > > David's got it tested and working. No difference in the tbench > test reported for SPARC64. > > Following are some numbers for a tbench 3.03 test: 1 client, 1 server > in different configurations. > > Xeon and G5 seem to be significantly improved on the order of 1-5%. I2 > may be slightly down, but if it is significant I expect real world > workloads to be either not impacted, or hopefully some might see a > small improvement. > [...] > Unless anyone has an objection, I'm going to hack up untested > implementations for the rest of the architectures and see if Andrew > will put the patch in -mm for a while. the patch looks good to me and builds / boots on my testsystems (x86, x64) too. Acked-by: Ingo Molnar Ingo - 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/