Return-Path: X-Original-To: apmail-commons-issues-archive@minotaur.apache.org Delivered-To: apmail-commons-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 4ECFA9B50 for ; Thu, 9 Feb 2012 15:38:22 +0000 (UTC) Received: (qmail 31596 invoked by uid 500); 9 Feb 2012 15:38:22 -0000 Delivered-To: apmail-commons-issues-archive@commons.apache.org Received: (qmail 31331 invoked by uid 500); 9 Feb 2012 15:38:21 -0000 Mailing-List: contact issues-help@commons.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: issues@commons.apache.org Delivered-To: mailing list issues@commons.apache.org Received: (qmail 31323 invoked by uid 99); 9 Feb 2012 15:38:21 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 09 Feb 2012 15:38:21 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=5.0 tests=ALL_TRUSTED,T_RP_MATCHES_RCVD X-Spam-Check-By: apache.org Received: from [140.211.11.116] (HELO hel.zones.apache.org) (140.211.11.116) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 09 Feb 2012 15:38:19 +0000 Received: from hel.zones.apache.org (hel.zones.apache.org [140.211.11.116]) by hel.zones.apache.org (Postfix) with ESMTP id 512581AD87F for ; Thu, 9 Feb 2012 15:37:59 +0000 (UTC) Date: Thu, 9 Feb 2012 15:37:59 +0000 (UTC) From: "Gilles (Created) (JIRA)" To: issues@commons.apache.org Message-ID: <846911011.19646.1328801879333.JavaMail.tomcat@hel.zones.apache.org> Subject: [jira] [Created] (MATH-740) Some "FastMath" functions are slow MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Some "FastMath" functions are slow ---------------------------------- Key: MATH-740 URL: https://issues.apache.org/jira/browse/MATH-740 Project: Commons Math Issue Type: Wish Reporter: Gilles Priority: Minor Fix For: 3.1 >From the two benchmarks we currently have in "FastMathTestPerfomance", we have that the following functions are much slower in "FastMath" than in either "Math" or "StrictMath" (the performance *loss*, for each of the benchmarks, is given in parentheses): * log10 (46%, 36%) * log1p (68%, 112%) * tan (11%, 61%) * atan (26%, 125%) * atan2 (44%, 40%) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira