From issues-return-7621-archive-asf-public=cust-asf.ponee.io@systemml.apache.org Sat Jan 6 01:04:05 2018 Return-Path: X-Original-To: archive-asf-public@eu.ponee.io Delivered-To: archive-asf-public@eu.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by mx-eu-01.ponee.io (Postfix) with ESMTP id 82EFA180647 for ; Sat, 6 Jan 2018 01:04:05 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id 72FB5160C3B; Sat, 6 Jan 2018 00:04:05 +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 B998A160C27 for ; Sat, 6 Jan 2018 01:04:04 +0100 (CET) Received: (qmail 79976 invoked by uid 500); 6 Jan 2018 00:04:03 -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 79967 invoked by uid 99); 6 Jan 2018 00:04:03 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 06 Jan 2018 00:04:03 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id 8C890C2A41 for ; Sat, 6 Jan 2018 00:04:03 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -100.711 X-Spam-Level: X-Spam-Status: No, score=-100.711 tagged_above=-999 required=6.31 tests=[RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id 8DerGe6kzitH for ; Sat, 6 Jan 2018 00:04:03 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id B8DFA5FB29 for ; Sat, 6 Jan 2018 00:04:02 +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 41624E256B for ; Sat, 6 Jan 2018 00:04:01 +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 3D2F424106 for ; Sat, 6 Jan 2018 00:04:00 +0000 (UTC) Date: Sat, 6 Jan 2018 00:04:00 +0000 (UTC) From: "Matthias Boehm (JIRA)" To: issues@systemml.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (SYSTEMML-2059) Improve parfor optimization and initialization overhead MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Matthias Boehm created SYSTEMML-2059: ---------------------------------------- Summary: Improve parfor optimization and initialization overhead Key: SYSTEMML-2059 URL: https://issues.apache.org/jira/browse/SYSTEMML-2059 Project: SystemML Issue Type: Task Reporter: Matthias Boehm In this scripts that use parfor in functions and call these functions 1000s of times, the parfor optimization and initialization overhead can be substantial. This task aims to improve this overhead, by parallelizing the worker initialization of local workers (which also include deep copies of update in place variables) and generally removing unnecessary optimization overhead. -- This message was sent by Atlassian JIRA (v6.4.14#64029)