Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267285AbUJGFjk (ORCPT ); Thu, 7 Oct 2004 01:39:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267287AbUJGFjk (ORCPT ); Thu, 7 Oct 2004 01:39:40 -0400 Received: from omx3-ext.sgi.com ([192.48.171.20]:3761 "EHLO omx3.sgi.com") by vger.kernel.org with ESMTP id S267285AbUJGFjh (ORCPT ); Thu, 7 Oct 2004 01:39:37 -0400 Date: Wed, 6 Oct 2004 22:35:52 -0700 From: Paul Jackson To: "Marc E. Fiuczynski" Cc: colpatch@us.ibm.com, mbligh@aracnet.com, akpm@osdl.org, ckrm-tech@lists.sourceforge.net, lse-tech@lists.sourceforge.net, nickpiggin@yahoo.com.au, linux-kernel@vger.kernel.org, simon.derr@bull.net, frankeh@watson.ibm.com Subject: Re: [ckrm-tech] [RFC PATCH] scheduler: Dynamic sched_domains Message-Id: <20041006223552.43d47135.pj@sgi.com> In-Reply-To: References: <1097110266.4907.187.camel@arrakis> Organization: SGI X-Mailer: Sylpheed version 0.9.12 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 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: 840 Lines: 20 Marc wrote: > > ... thus making supporting interesting NUMA machines > > and SMT machines easier. > > Would you be so kind and elaborate on the SMT part. Sure - easy - I mistyped "SMP". Even on a system as simple as a dual processor, tightly coupled HPC applications, using one thread per processor, run much better if indeed they are placed one thread to a processor, allowing for genuine parallelism. -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson 1.650.933.1373 - 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/