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 A05BF200D58 for ; Sun, 3 Dec 2017 00:24:05 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id 9ED6E160BFB; Sat, 2 Dec 2017 23:24:05 +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 E5A21160C19 for ; Sun, 3 Dec 2017 00:24:04 +0100 (CET) Received: (qmail 42003 invoked by uid 500); 2 Dec 2017 23:24:04 -0000 Mailing-List: contact issues-help@systemml.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@systemml.apache.org Delivered-To: mailing list issues@systemml.apache.org Received: (qmail 41994 invoked by uid 99); 2 Dec 2017 23:24:04 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 02 Dec 2017 23:24:04 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id 152F61808C4 for ; Sat, 2 Dec 2017 23:24:03 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -99.202 X-Spam-Level: X-Spam-Status: No, score=-99.202 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id bcSRWSqbIvWS for ; Sat, 2 Dec 2017 23:24:02 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTP id B5CA75F19C for ; Sat, 2 Dec 2017 23:24:01 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id C4FBEE0F1F for ; Sat, 2 Dec 2017 23:24:00 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 322CE255C5 for ; Sat, 2 Dec 2017 23:24:00 +0000 (UTC) Date: Sat, 2 Dec 2017 23:24:00 +0000 (UTC) From: "Matthias Boehm (JIRA)" To: issues@systemml.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Closed] (SYSTEMML-1723) Parallel nnz recompute for all multi-threade convolution ops MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Sat, 02 Dec 2017 23:24:05 -0000 [ https://issues.apache.org/jira/browse/SYSTEMML-1723?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Matthias Boehm closed SYSTEMML-1723. ------------------------------------ Resolution: Fixed Assignee: Matthias Boehm Fix Version/s: SystemML 1.0 > Parallel nnz recompute for all multi-threade convolution ops > ------------------------------------------------------------ > > Key: SYSTEMML-1723 > URL: https://issues.apache.org/jira/browse/SYSTEMML-1723 > Project: SystemML > Issue Type: Task > Reporter: Matthias Boehm > Assignee: Matthias Boehm > Fix For: SystemML 1.0 > > > All multi-threaded convolution operations currently make an additional pass over the output in order to {{recomputeNonZeros}}, which is a sequential operation. Since all convolution operations parallelize over rows (with guaranteed disjoint results), we should recompute the non zeros locally for each row partition and simply aggregate the final meta data. -- This message was sent by Atlassian JIRA (v6.4.14#64029)