Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 4502C200D44 for ; Mon, 20 Nov 2017 15:07:41 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id 4351A160BF9; Mon, 20 Nov 2017 14:07:41 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 7D748160BEC for ; Mon, 20 Nov 2017 15:07:40 +0100 (CET) Received: (qmail 28608 invoked by uid 500); 20 Nov 2017 14:07:39 -0000 Mailing-List: contact dev-help@ignite.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@ignite.apache.org Delivered-To: mailing list dev@ignite.apache.org Delivered-To: moderator for dev@ignite.apache.org Received: (qmail 96382 invoked by uid 99); 20 Nov 2017 13:48:30 -0000 X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 3.685 X-Spam-Level: *** X-Spam-Status: No, score=3.685 tagged_above=-999 required=6.31 tests=[DKIM_ADSP_CUSTOM_MED=0.001, KB_WAM_FROM_NAME_SINGLEWORD=0.2, NML_ADSP_CUSTOM_MED=1.2, SPF_HELO_PASS=-0.001, SPF_SOFTFAIL=0.972, URI_HEX=1.313] autolearn=disabled Date: Mon, 20 Nov 2017 06:48:28 -0700 (MST) From: ArtemM To: dev@ignite.apache.org Message-ID: <1511185708961-0.post@n4.nabble.com> Subject: Ignite ML dense distributed matrices MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit archived-at: Mon, 20 Nov 2017 14:07:41 -0000 Hi all, currently we do not have dense distributed matices in ML module, but I think we should add them. Obviously, not every big ML dataset has sparse structure. Of course, we can put it into a sparse distributed matrix, but this will have performance hits. Any ideas/objections about it? -- Sent from: http://apache-ignite-developers.2346864.n4.nabble.com/