Return-Path: X-Original-To: apmail-river-dev-archive@www.apache.org Delivered-To: apmail-river-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id D302C185FB for ; Wed, 29 Jul 2015 17:56:35 +0000 (UTC) Received: (qmail 39924 invoked by uid 500); 29 Jul 2015 17:56:12 -0000 Delivered-To: apmail-river-dev-archive@river.apache.org Received: (qmail 39899 invoked by uid 500); 29 Jul 2015 17:56:12 -0000 Mailing-List: contact dev-help@river.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@river.apache.org Delivered-To: mailing list dev@river.apache.org Received: (qmail 39887 invoked by uid 99); 29 Jul 2015 17:56:12 -0000 Received: from Unknown (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 29 Jul 2015 17:56:12 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id 302FCC0925 for ; Wed, 29 Jul 2015 17:56:12 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -0.01 X-Spam-Level: X-Spam-Status: No, score=-0.01 tagged_above=-999 required=6.31 tests=[HEADER_FROM_DIFFERENT_DOMAINS=0.001, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=disabled Received: from mx1-us-west.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id hFYUjcddhCDC for ; Wed, 29 Jul 2015 17:56:11 +0000 (UTC) Received: from walmailout04.yourhostingaccount.com (walmailout04.yourhostingaccount.com [65.254.253.35]) by mx1-us-west.apache.org (ASF Mail Server at mx1-us-west.apache.org) with ESMTP id 4B327205B3 for ; Wed, 29 Jul 2015 17:56:11 +0000 (UTC) Received: from mailscan09.yourhostingaccount.com ([10.1.15.9] helo=walmailscan09.yourhostingaccount.com) by walmailout04.yourhostingaccount.com with esmtp (Exim) id 1ZKVaG-0006ga-D8 for dev@river.apache.org; Wed, 29 Jul 2015 13:56:04 -0400 Received: from [10.114.3.33] (helo=walimpout13) by walmailscan09.yourhostingaccount.com with esmtp (Exim) id 1ZKVaG-0002GJ-8w for dev@river.apache.org; Wed, 29 Jul 2015 13:56:04 -0400 Received: from walauthsmtp06.yourhostingaccount.com ([10.1.18.6]) by walimpout13 with id yHw01q00D07rVmq01Hw35Z; Wed, 29 Jul 2015 13:56:04 -0400 X-Authority-Analysis: v=2.1 cv=Fbi5xfO6 c=1 sm=1 tr=0 a=fsJ80uyv01TBpq5N3xWxAg==:117 a=heBF41qg0YAiVTIN72KKpA==:17 a=pq4jwCggAAAA:8 a=OF-CdTOGAAAA:8 a=HCB_ZTjGAAAA:8 a=AOeTiE0eja0A:10 a=FvAEXBeo5g4A:10 a=IkcTkHD0fZMA:10 a=zOBTXjUuO1YA:10 a=aNCOEK29inGMxdPE8b8A:9 a=QEXdDO2ut3YA:10 a=hxEzvXr6JNMA:10 Received: from [76.76.133.74] (port=53298 helo=[192.168.20.233]) by walauthsmtp06.yourhostingaccount.com with esmtpsa (TLSv1.2:DHE-RSA-AES128-SHA:128) (Exim) id 1ZKVaC-0002gG-Al for dev@river.apache.org; Wed, 29 Jul 2015 13:56:00 -0400 Message-ID: <55B913AF.8070300@wonderly.org> Date: Wed, 29 Jul 2015 12:55:59 -0500 From: Gregg Wonderly User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: dev@river.apache.org Subject: Re: tree-based / log(p) communication cost algorithms for River? References: In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-EN-UserInfo: 24f77bb6787a3c6fdcb90c6ee26c5426:931c98230c6409dcc37fa7e93b490c27 X-EN-AuthUser: greggwon@pop.powweb.com Sender: Gregg Wonderly X-EN-OrigIP: 76.76.133.74 X-EN-OrigHost: unknown Bryan, is this on a multi-segment network cluster? Gregg On 7/29/2015 11:40 AM, Bryan Thompson wrote: > Hello, > > I am wondering if anyone has looked into creating tree based algorithms for > multi-cast of RMI messages for river. Assuming a local cluster, such > patterns generally have log(p) cost for a cluster with p nodes. > > For the curious, this is how many MPI messages are communicated under the > hood. > > Thanks, > Bryan >