From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261298AbTLHUir (ORCPT ); Mon, 8 Dec 2003 15:38:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261719AbTLHUir (ORCPT ); Mon, 8 Dec 2003 15:38:47 -0500 Received: from mx1.elte.hu ([157.181.1.137]:16315 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S261298AbTLHUiq (ORCPT ); Mon, 8 Dec 2003 15:38:46 -0500 Date: Mon, 8 Dec 2003 21:38:10 +0100 (CET) From: Ingo Molnar Reply-To: Ingo Molnar To: Nick Piggin Cc: Ingo Molnar , Anton Blanchard , Linus Torvalds , Andrew Morton , Rusty Russell , Zwane Mwaikambo , linux-kernel Subject: Re: [PATCH][RFC] make cpu_sibling_map a cpumask_t In-Reply-To: <3FD3FD52.7020001@cyberone.com.au> Message-ID: References: <3FD3FD52.7020001@cyberone.com.au> 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 On Mon, 8 Dec 2003, Nick Piggin wrote: > P.S. > I have an alternative to Ingo's HT scheduler which basically does the > same thing. It is showing a 20% elapsed time improvement with a make -j3 > on a 2xP4 Xeon (4 logical CPUs). if it gets close/equivalent (or better!) performance than the SMT-aware scheduler i've posted then i'd prefer your patch because yours is fundamentally simpler. (Btw., there exist a number of similar, balancing-based HT patches - they are all quite simple.) Ingo