Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262575AbTKDX4n (ORCPT ); Tue, 4 Nov 2003 18:56:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262611AbTKDX4n (ORCPT ); Tue, 4 Nov 2003 18:56:43 -0500 Received: from fw.osdl.org ([65.172.181.6]:10417 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S262575AbTKDX4l (ORCPT ); Tue, 4 Nov 2003 18:56:41 -0500 Date: Tue, 4 Nov 2003 15:56:28 -0800 (PST) From: Linus Torvalds To: Ulrich Drepper cc: "Bill Rugolsky Jr." , Paul Venezia , Kernel Mailing List Subject: Re: ext3 performance inconsistencies, 2.4/2.6 In-Reply-To: <3FA83ACC.5060700@redhat.com> Message-ID: 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: 983 Lines: 36 On Tue, 4 Nov 2003, Ulrich Drepper wrote: > > This was, I think, the result of one of the last changes in the locking > code where the libc side wasn't updated correctly. I've done this and > this is what I see: Goodie. > drepper@ht 20031104-2$ time ./u > /dev/null > real 0m1.272s > user 0m1.270s > sys 0m0.000s > > drepper@ht 20031104-2$ time LD_ASSUME_KERNEL=2.4.1 ./u > /dev/null > real 0m0.316s > user 0m0.320s > sys 0m0.000s > > drepper@ht 20031104-2$ time LD_LIBRARY_PATH=. ./u > /dev/null > real 0m0.207s > user 0m0.210s > sys 0m0.000s > > The first is the old nptl code, the second LinuxThreads, the third the > current nptl code. Now _that_ looks a hell of a lot better. Thanks. Linus - 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/