Return-Path: Delivered-To: apmail-commons-commits-archive@minotaur.apache.org Received: (qmail 39827 invoked from network); 24 Jan 2011 13:00:28 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 24 Jan 2011 13:00:28 -0000 Received: (qmail 53327 invoked by uid 500); 24 Jan 2011 13:00:27 -0000 Delivered-To: apmail-commons-commits-archive@commons.apache.org Received: (qmail 52960 invoked by uid 500); 24 Jan 2011 13:00:24 -0000 Mailing-List: contact commits-help@commons.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@commons.apache.org Delivered-To: mailing list commits@commons.apache.org Received: (qmail 52952 invoked by uid 99); 24 Jan 2011 13:00:24 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 24 Jan 2011 13:00:24 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.4] (HELO eris.apache.org) (140.211.11.4) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 24 Jan 2011 13:00:20 +0000 Received: by eris.apache.org (Postfix, from userid 65534) id 3DA9A2388A39; Mon, 24 Jan 2011 12:59:59 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: svn commit: r1062761 - /commons/proper/math/trunk/src/test/java/org/apache/commons/math/util/FastMathTestPerformance.java Date: Mon, 24 Jan 2011 12:59:59 -0000 To: commits@commons.apache.org From: erans@apache.org X-Mailer: svnmailer-1.0.8 Message-Id: <20110124125959.3DA9A2388A39@eris.apache.org> X-Virus-Checked: Checked by ClamAV on apache.org Author: erans Date: Mon Jan 24 12:59:58 2011 New Revision: 1062761 URL: http://svn.apache.org/viewvc?rev=1062761&view=rev Log: Splitted the single "testPerformance" method into several ones (one test case per mathematical function) for easier comparison. Added a third benchmark (that calls "Math" methods). Modified: commons/proper/math/trunk/src/test/java/org/apache/commons/math/util/FastMathTestPerformance.java Modified: commons/proper/math/trunk/src/test/java/org/apache/commons/math/util/FastMathTestPerformance.java URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/java/org/apache/commons/math/util/FastMathTestPerformance.java?rev=1062761&r1=1062760&r2=1062761&view=diff ============================================================================== --- commons/proper/math/trunk/src/test/java/org/apache/commons/math/util/FastMathTestPerformance.java (original) +++ commons/proper/math/trunk/src/test/java/org/apache/commons/math/util/FastMathTestPerformance.java Mon Jan 24 12:59:58 2011 @@ -17,6 +17,7 @@ package org.apache.commons.math.util; import org.junit.Test; +import org.junit.Ignore; /** * Performance tests for FastMath. @@ -25,7 +26,10 @@ import org.junit.Test; * Invoke by running {@code mvn test -Dtest=FastMathTestPerformance} */ public class FastMathTestPerformance { - @Test + private static final int RUNS = 10000000; + private static final double SCALE = 1000d / RUNS; + + @Ignore public void testPerformance() { final int numberOfRuns = 10000000; for (int j = 0; j < 10; j++) { @@ -234,5 +238,354 @@ public class FastMathTestPerformance { } } - -} \ No newline at end of file + + @Test + public void testLog() { + System.out.print("log "); + double x = 0; + long time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += StrictMath.log(Math.PI + i/* 1.0 + i/1e9 */); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += FastMath.log(Math.PI + i/* 1.0 + i/1e9 */); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += Math.log(Math.PI + i/* 1.0 + i/1e9 */); + time = System.currentTimeMillis() - time; + System.out.println(time * SCALE); + } + + @Test + public void testPow() { + System.out.print("pow "); + double x = 0; + long time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += StrictMath.pow(Math.PI + i / 1e6, i / 1e6); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += FastMath.pow(Math.PI + i / 1e6, i / 1e6); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += Math.pow(Math.PI + i / 1e6, i / 1e6); + time = System.currentTimeMillis() - time; + System.out.println(time * SCALE); + } + + @Test + public void testExp() { + System.out.print("exp "); + double x = 0; + long time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += StrictMath.exp(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += FastMath.exp(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += Math.exp(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.println(time * SCALE); + } + + @Test + public void testSin() { + System.out.print("sin "); + double x = 0; + long time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += StrictMath.sin(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += FastMath.sin(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += Math.sin(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.println(time * SCALE); + } + + @Test + public void testAsin() { + System.out.print("asin "); + double x = 0; + long time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += StrictMath.asin(i / 10000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += FastMath.asin(i / 10000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += Math.asin(i / 10000000.0); + time = System.currentTimeMillis() - time; + System.out.println(time * SCALE); + } + + @Test + public void testCos() { + System.out.print("cos "); + double x = 0; + long time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += StrictMath.cos(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += FastMath.cos(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += Math.cos(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.println(time * SCALE); + } + + @Test + public void testAcos() { + System.out.print("acos "); + double x = 0; + long time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += StrictMath.acos(i / 10000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += FastMath.acos(i / 10000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += Math.acos(i / 10000000.0); + time = System.currentTimeMillis() - time; + System.out.println(time * SCALE); + } + + @Test + public void testTan() { + System.out.print("tan "); + double x = 0; + long time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += StrictMath.tan(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += FastMath.tan(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += Math.tan(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.println(time * SCALE); + } + + @Test + public void testAtan() { + System.out.print("atan "); + double x = 0; + long time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += StrictMath.atan(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += FastMath.atan(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += Math.atan(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.println(time * SCALE); + } + + @Test + public void testCbrt() { + System.out.print("cbrt "); + double x = 0; + long time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += StrictMath.cbrt(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += FastMath.cbrt(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += Math.cbrt(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.println(time * SCALE); + } + + @Test + public void testCosh() { + System.out.print("cosh "); + double x = 0; + long time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += StrictMath.cosh(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += FastMath.cosh(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += Math.cosh(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.println(time * SCALE); + } + + @Test + public void testSinh() { + System.out.print("sinh "); + double x = 0; + long time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += StrictMath.sinh(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += FastMath.sinh(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += Math.sinh(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.println(time * SCALE); + } + + @Test + public void testTanh() { + System.out.print("tanh "); + double x = 0; + long time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += StrictMath.tanh(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += FastMath.tanh(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += Math.tanh(i / 1000000.0); + time = System.currentTimeMillis() - time; + System.out.println(time * SCALE); + } + + @Test + public void testExpm1() { + System.out.print("expm1 "); + double x = 0; + long time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += StrictMath.expm1(-i / 100000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += FastMath.expm1(-i / 100000.0); + time = System.currentTimeMillis() - time; + System.out.print(time * SCALE + " "); + + x = 0; + time = System.currentTimeMillis(); + for (int i = 0; i < RUNS; i++) + x += Math.expm1(-i / 100000.0); + time = System.currentTimeMillis() - time; + System.out.println(time * SCALE); + } +}