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 DEDEA200CCC for ; Fri, 21 Jul 2017 17:56:53 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id DBB6216BB9A; Fri, 21 Jul 2017 15:56:53 +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 2D9A516BB93 for ; Fri, 21 Jul 2017 17:56:53 +0200 (CEST) Received: (qmail 93868 invoked by uid 500); 21 Jul 2017 15:56:50 -0000 Mailing-List: contact dev-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 dev@systemml.apache.org Received: (qmail 93848 invoked by uid 99); 21 Jul 2017 15:56:50 -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; Fri, 21 Jul 2017 15:56:50 +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 E771C18062C for ; Fri, 21 Jul 2017 15:56:49 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 2.379 X-Spam-Level: ** X-Spam-Status: No, score=2.379 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=2, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_SORBS_SPAM=0.5, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd3-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id AmpGK6o4gfG1 for ; Fri, 21 Jul 2017 15:56:47 +0000 (UTC) Received: from mail-ua0-f180.google.com (mail-ua0-f180.google.com [209.85.217.180]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTPS id 9751F5F56A for ; Fri, 21 Jul 2017 15:56:47 +0000 (UTC) Received: by mail-ua0-f180.google.com with SMTP id q25so29946146uah.1 for ; Fri, 21 Jul 2017 08:56:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=HZ0aOR7ei79/mYaJBkvdLRzVko6oY2pl222vIP+Wxmw=; b=bTvlx0tgLkthUPk76Z4nCgaXBcxqtlsNN4TvPDPiYhHSAKm8tO1RACnAkW02Asjbuq e2T7+iJ+sVzqyM004CRuj3zT8AitVioV6p2p03tUDXr3yXwSdCnYEwXIeAiYDbVP8B+H upTRDH5f8Tz1Cc+ORNGn5dErAznHqlPt4P667D552ECiNXKw+pXB0o0qezJN/V7DVoDD LXLwOqdSz6WGMWbLTY6f3MuYFWNkO+Fgr0gyfXVhz+8gZYHhMQJzZwiYfvQfpQFhqIOf RXSk0fBn88JsjKWHZoGydbHZxNEJVniUFhbuQYnJ1Qi20RCgJvlra6WO/pdafBnBFh2N ti2Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=HZ0aOR7ei79/mYaJBkvdLRzVko6oY2pl222vIP+Wxmw=; b=ckhg3nM5N9ZN9FboFymd0hOwNVJ5tHbrqq/vSqOQCoFZuoDzKySip/SArimHMA2Kgh 0fXVPGTcdjpH97/TZE3zgK/I48x6/nSCmgM0nyIEZdYM1Z6gmwxiFB5wZIJmu2oIQ8Lo i0yG/jISraFH2Fs+46T9TfBhIpdfsknxy02c86WdqmuCmodUnRdz+ZLLfnu3vJDJZ4Rc +YsMgxwm4xKeI0F7pgGs3LASX644qRIUFMFMuVfQQee2cyzussG+8lxHgom1Hdhv/Ibi JzSjjnPiG9l3t/abSgOqFQ9+A/4GcGO3he/HR0etAi3cBE/95qOF0UZzyeDoiuMArVDt VbAA== X-Gm-Message-State: AIVw113CwFpYIVH8rpCUYrGSVe7djIP3Y3XQMluS0VK2uY/d0gVl09nq tqDQZHdAxoQS1E1tZaf5m3U26hd8RPOK X-Received: by 10.176.81.137 with SMTP id g9mr4979187uaa.187.1500652606980; Fri, 21 Jul 2017 08:56:46 -0700 (PDT) MIME-Version: 1.0 Received: by 10.176.77.238 with HTTP; Fri, 21 Jul 2017 08:56:06 -0700 (PDT) From: Janardhan Pulivarthi Date: Fri, 21 Jul 2017 21:26:06 +0530 Message-ID: Subject: about performance statistics of PCA.dml To: dev@systemml.apache.org Content-Type: multipart/alternative; boundary="94eb2c1927aa9209f20554d5e996" archived-at: Fri, 21 Jul 2017 15:56:54 -0000 --94eb2c1927aa9209f20554d5e996 Content-Type: text/plain; charset="UTF-8" Hi Mike, I'd like to know how much expensive this critical code is C = (t(A) %*% A)/(N-1) - (N/(N-1))*t(mu) %*% mu; (at https://github.com/apache/systemml/blob/master/scripts/algorithms/PCA.dml#L81) in the SPARK setting given 1. 60Kx700 input for A 2. For a datasize of 28 MB with 100 continuous variable and 1 column with numeric label variable with reference to this comment.( https://issues.apache.org/jira/browse/SYSTEMML-831?focusedCommentId=15525147&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15525147 ) Thank you, Janardhan --94eb2c1927aa9209f20554d5e996--