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 53AC0200C2A for ; Wed, 1 Mar 2017 15:32:52 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id 52584160B78; Wed, 1 Mar 2017 14:32:52 +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 62269160B5E for ; Wed, 1 Mar 2017 15:32:51 +0100 (CET) Received: (qmail 33663 invoked by uid 500); 1 Mar 2017 14:32:50 -0000 Mailing-List: contact issues-help@spark.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list issues@spark.apache.org Received: (qmail 33654 invoked by uid 99); 1 Mar 2017 14:32:50 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 01 Mar 2017 14:32:50 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id 36FCF1A03CE for ; Wed, 1 Mar 2017 14:32:50 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -1.547 X-Spam-Level: X-Spam-Status: No, score=-1.547 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, RP_MATCHES_RCVD=-2.999, SPF_NEUTRAL=0.652] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id wvwOtkaHt5ad for ; Wed, 1 Mar 2017 14:32:49 +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 4227360D7E for ; Wed, 1 Mar 2017 14:32:47 +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 3F13FE0599 for ; Wed, 1 Mar 2017 14:32:46 +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 A6B7424160 for ; Wed, 1 Mar 2017 14:32:45 +0000 (UTC) Date: Wed, 1 Mar 2017 14:32:45 +0000 (UTC) From: "Apache Spark (JIRA)" To: issues@spark.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Assigned] (SPARK-19786) Facilitate loop optimizations in a JIT compiler regarding range() MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Wed, 01 Mar 2017 14:32:52 -0000 [ https://issues.apache.org/jira/browse/SPARK-19786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Apache Spark reassigned SPARK-19786: ------------------------------------ Assignee: Apache Spark > Facilitate loop optimizations in a JIT compiler regarding range() > ----------------------------------------------------------------- > > Key: SPARK-19786 > URL: https://issues.apache.org/jira/browse/SPARK-19786 > Project: Spark > Issue Type: Improvement > Components: SQL > Affects Versions: 2.2.0 > Reporter: Kazuaki Ishizaki > Assignee: Apache Spark > > [This article|https://databricks.com/blog/2017/02/16/processing-trillion-rows-per-second-single-machine-can-nested-loop-joins-fast.html] suggests that better generated code can improve performance by facilitating compiler optimizations. > This JIRA changes the generated code for {{range()}} to facilitate loop optimizations in a JIT compiler for achieving better performance. -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org For additional commands, e-mail: issues-help@spark.apache.org