Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 22 Feb 2003 18:37:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 22 Feb 2003 18:37:07 -0500 Received: from franka.aracnet.com ([216.99.193.44]:63672 "EHLO franka.aracnet.com") by vger.kernel.org with ESMTP id ; Sat, 22 Feb 2003 18:37:04 -0500 Date: Sat, 22 Feb 2003 15:47:09 -0800 From: "Martin J. Bligh" To: Larry McVoy , William Lee Irwin III , Mark Hahn , linux-kernel@vger.kernel.org Subject: Re: Minutes from Feb 21 LSE Call Message-ID: <4190000.1045957628@[10.10.2.4]> In-Reply-To: <20030222232859.GC31268@work.bitmover.com> References: <2080000.1045947731@[10.10.2.4]> <20030222221739.GF10411@holomorphy.com> <20030222232859.GC31268@work.bitmover.com> X-Mailer: Mulberry/2.2.1 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 708 Lines: 19 >> > ccNUMA worst-case latencies are not much different from decent >> > cluster (message-passing) latencies. >> >> Not even close, by several orders of magnitude. > > Err, I think you're wrong. It's been a long time since I looked, but I'm > pretty sure myrinet had single digit microseconds. Yup, google rocks, > 7.6 usecs, user to user. Last I checked, Sequents worst case was around > there, right? Sequent hardware is very old. Go time a Regatta. M. - 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/