Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754693AbXIDUCy (ORCPT ); Tue, 4 Sep 2007 16:02:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753288AbXIDUCq (ORCPT ); Tue, 4 Sep 2007 16:02:46 -0400 Received: from tomts13.bellnexxia.net ([209.226.175.34]:52486 "EHLO tomts13-srv.bellnexxia.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753281AbXIDUCp (ORCPT ); Tue, 4 Sep 2007 16:02:45 -0400 Date: Tue, 4 Sep 2007 16:02:42 -0400 From: Mathieu Desnoyers To: Christoph Lameter Cc: Peter Zijlstra , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, mingo@redhat.com, linux-ia64@vger.kernel.org Subject: Re: [PATCH] SLUB use cmpxchg_local Message-ID: <20070904200242.GB8157@Krystal> References: <20070827202203.GB5653@Krystal> <20070827203913.GA7416@Krystal> <20070827211003.GA10627@Krystal> <20070827213845.GB9748@Krystal> <20070827222715.GA16982@Krystal> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline In-Reply-To: X-Editor: vi X-Info: http://krystal.dyndns.org:8080 X-Operating-System: Linux/2.6.21.3-grsec (i686) X-Uptime: 16:01:14 up 36 days, 20:20, 6 users, load average: 0.23, 0.30, 0.40 User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 811 Lines: 24 * Christoph Lameter (clameter@sgi.com) wrote: > Measurements on IA64 slub w/per cpu vs slub w/per cpu/cmpxchg_local > emulation. Results are not good: > Hi Christoph, I tried to come up with a patch set implementing the basics of a new critical section: local_enter(flags) and local_exit(flags). Can you try those on ia64 and tell me if the results are better ? See the 2 next posts... Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - 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/