Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264902AbTIJHgs (ORCPT ); Wed, 10 Sep 2003 03:36:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264904AbTIJHgs (ORCPT ); Wed, 10 Sep 2003 03:36:48 -0400 Received: from cpe-24-221-190-179.ca.sprintbbd.net ([24.221.190.179]:53713 "EHLO myware.akkadia.org") by vger.kernel.org with ESMTP id S264902AbTIJHgr (ORCPT ); Wed, 10 Sep 2003 03:36:47 -0400 Message-ID: <3F5ED467.2030103@redhat.com> Date: Wed, 10 Sep 2003 00:36:07 -0700 From: Ulrich Drepper Organization: Red Hat, Inc. User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.5b) Gecko/20030904 Thunderbird/0.2a X-Accept-Language: en-us, en MIME-Version: 1.0 To: William Lee Irwin III CC: "Hu, Boris" , linux-kernel@vger.kernel.org Subject: Re: [PATCH] Split futex global spinlock futex_lock References: <37FBBA5F3A361C41AB7CE44558C3448E01C0B69E@pdsmsx403.ccr.corp.intel.com> <20030910064727.GN4306@holomorphy.com> In-Reply-To: <20030910064727.GN4306@holomorphy.com> X-Enigmail-Version: 0.81.3.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1211 Lines: 35 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 William Lee Irwin III wrote: > This looks nice and straightforward. How much did it speed up the > benchmarks? I just tested it on a UP P4 HT machine. I wouldn't expect much difference here, bigger machines should show more (I'll try to get things to work on my 4p machine). Volano performance increased by a bit (~1%) but this is close to the error range. Before: about 15479 messages per second Now: about 15615 messages per second The glibc test suite still passes so the code should be fine. - -- - --------------. ,-. 444 Castro Street Ulrich Drepper \ ,-----------------' \ Mountain View, CA 94041 USA Red Hat `--' drepper at redhat.com `--------------------------- -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQE/XtRn2ijCOnn/RHQRAs+3AKCJ5C2WafltO9mCUiOfrw6ADiqCwACfQ3lc b2z6DNKQqQz1X3/DreZIdpc= =ILjm -----END PGP SIGNATURE----- - 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/