From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263577AbUC3Jjh (ORCPT ); Tue, 30 Mar 2004 04:39:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263584AbUC3Jjh (ORCPT ); Tue, 30 Mar 2004 04:39:37 -0500 Received: from zero.aec.at ([193.170.194.10]:6153 "EHLO zero.aec.at") by vger.kernel.org with ESMTP id S263577AbUC3Jje (ORCPT ); Tue, 30 Mar 2004 04:39:34 -0500 To: Nick Piggin cc: efocht@hpce.nec.com, linux-kernel@vger.kernel.org, andrea@suse.de Subject: Re: [Lse-tech] [patch] sched-domain cleanups, sched-2.6.5-rc2-mm2-A3 References: <1DF7H-22Y-11@gated-at.bofh.it> <1DL3x-7iG-7@gated-at.bofh.it> <1DLGd-7TS-17@gated-at.bofh.it> <1FmNz-72J-73@gated-at.bofh.it> <1FnzJ-7IW-15@gated-at.bofh.it> From: Andi Kleen Date: Tue, 30 Mar 2004 11:39:21 +0200 In-Reply-To: <1FnzJ-7IW-15@gated-at.bofh.it> (Nick Piggin's message of "Tue, 30 Mar 2004 11:20:11 +0200") Message-ID: User-Agent: Gnus/5.110002 (No Gnus v0.2) Emacs/21.2 (gnu/linux) 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 Nick Piggin writes: > I'm with Martin here, we are just about to merge all this > sched-domains stuff. So we should at least wait until after > that. And of course, *nothing* gets changed without at least > one benchmark that shows it improves something. So far > nobody has come up to the plate with that. Hmm? I post numbers all the time. > There are other things, like java, ervers, etc that use threads. > The point is that we have never had this before, and nobody > (until now) has been asking for it. And there are as yet no > convincing benchmarks that even show best case improvements. And I don't have hard numbers anymore (Andrea, do you remember the details?), but I think we had actually better benchmark results in some java benchmarks with an aggressively balancing scheduler in 2.4-aa on non NUMA machines. -Andi