Return-Path: X-Original-To: apmail-mahout-dev-archive@www.apache.org Delivered-To: apmail-mahout-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 F065FD41B for ; Tue, 5 Feb 2013 04:10:16 +0000 (UTC) Received: (qmail 52485 invoked by uid 500); 5 Feb 2013 04:10:16 -0000 Delivered-To: apmail-mahout-dev-archive@mahout.apache.org Received: (qmail 52123 invoked by uid 500); 5 Feb 2013 04:10:16 -0000 Mailing-List: contact dev-help@mahout.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@mahout.apache.org Delivered-To: mailing list dev@mahout.apache.org Received: (qmail 52058 invoked by uid 99); 5 Feb 2013 04:10:13 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 05 Feb 2013 04:10:13 +0000 Date: Tue, 5 Feb 2013 04:10:13 +0000 (UTC) From: "Suneel Marthi (JIRA)" To: dev@mahout.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Comment Edited] (MAHOUT-1148) QR Decomposition is too slow MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/MAHOUT-1148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13570893#comment-13570893 ] Suneel Marthi edited comment on MAHOUT-1148 at 2/5/13 4:09 AM: --------------------------------------------------------------- QRDecompositionTest.fullRankWide() is failing. Here's what I am seeing locally:- fullRankWide(org.apache.mahout.math.QRDecompositionTest) Time elapsed: 0.004 sec <<< FAILURE! java.lang.AssertionError: null at org.junit.Assert.fail(Assert.java:86) at org.junit.Assert.assertTrue(Assert.java:41) at org.junit.Assert.assertFalse(Assert.java:64) at org.junit.Assert.assertFalse(Assert.java:74) at org.apache.mahout.math.QRDecompositionTest.fullRankWide(QRDecompositionTest.java:117) Its failing on this line in QRDecompositionTest.fullRankWide() assertFalse(qr.getFullRank()) was (Author: smarthi): QRDecompositionTest.fullRankWide() is failing. Here's what I am seeing locally:- fullRankWide(org.apache.mahout.math.QRDecompositionTest) Time elapsed: 0.004 sec <<< FAILURE! java.lang.AssertionError: null at org.junit.Assert.fail(Assert.java:86) at org.junit.Assert.assertTrue(Assert.java:41) at org.junit.Assert.assertFalse(Assert.java:64) at org.junit.Assert.assertFalse(Assert.java:74) at org.apache.mahout.math.QRDecompositionTest.fullRankWide(QRDecompositionTest.java:117) > QR Decomposition is too slow > ---------------------------- > > Key: MAHOUT-1148 > URL: https://issues.apache.org/jira/browse/MAHOUT-1148 > Project: Mahout > Issue Type: Bug > Reporter: Ted Dunning > > A user reported that QR decomposition is too slow. I coded up a replacement that can be 10x faster under certain cases and the new version is also tested. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira