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Posted to commits@commons.apache.org by se...@apache.org on 2011/01/25 01:29:18 UTC
svn commit: r1063078 -
/commons/proper/math/branches/MATH_2_X/src/test/java/org/apache/commons/math/util/FastMathTestPerformance.java
Author: sebb
Date: Tue Jan 25 00:29:18 2011
New Revision: 1063078
URL: http://svn.apache.org/viewvc?rev=1063078&view=rev
Log:
Merge changes from trunk
Modified:
commons/proper/math/branches/MATH_2_X/src/test/java/org/apache/commons/math/util/FastMathTestPerformance.java
Modified: commons/proper/math/branches/MATH_2_X/src/test/java/org/apache/commons/math/util/FastMathTestPerformance.java
URL: http://svn.apache.org/viewvc/commons/proper/math/branches/MATH_2_X/src/test/java/org/apache/commons/math/util/FastMathTestPerformance.java?rev=1063078&r1=1063077&r2=1063078&view=diff
==============================================================================
--- commons/proper/math/branches/MATH_2_X/src/test/java/org/apache/commons/math/util/FastMathTestPerformance.java (original)
+++ commons/proper/math/branches/MATH_2_X/src/test/java/org/apache/commons/math/util/FastMathTestPerformance.java Tue Jan 25 00:29:18 2011
@@ -16,223 +16,362 @@
*/
package org.apache.commons.math.util;
+import org.junit.BeforeClass;
import org.junit.Test;
/**
* Performance tests for FastMath.
- * Not enabled by default, as the class does not have Test in its name.
+ * Not enabled by default, as the class does not end in Test.
*
- * Invoke by running {@code mvn test -Dtest=FastMathTestPerformance}
+ * Invoke by running<br/>
+ * {@code mvn test -Dtest=FastMathTestPerformance}<br/>
+ * or by running<br/>
+ * {@code mvn test -Dtest=FastMathTestPerformance -DargLine="-DtestRuns=1234 -server"}<br/>
*/
public class FastMathTestPerformance {
+ private static final int RUNS = Integer.parseInt(System.getProperty("testRuns","10000000"));
+
+ // Header format
+ private static final String FMT_HDR = "%-5s %13s %13s %13s Runs=%d Java %s (%s) %s (%s)";
+ // Detail format
+ private static final String FMT_DTL = "%-5s %6d %6.2f %6d %6.2f %6d %6.2f";
+
+ @BeforeClass
+ public static void header() {
+ System.out.println(String.format(FMT_HDR,
+ "Name","StrictMath","FastMath","Math",RUNS,
+ System.getProperty("java.version"),
+ System.getProperty("java.runtime.version","?"),
+ System.getProperty("java.vm.name"),
+ System.getProperty("java.vm.version"),
+ ""));
+ }
+
+ private static void report(String name, long strictMathTime, long fastMathTime, long mathTime) {
+ long unitTime = strictMathTime;
+ System.out.println(String.format(FMT_DTL,
+ name,
+ strictMathTime / RUNS, (double) strictMathTime / unitTime,
+ fastMathTime / RUNS, (double) fastMathTime / unitTime,
+ mathTime / RUNS, (double) mathTime / unitTime
+ ));
+ }
+ @Test
+ public void testLog() {
+ double x = 0;
+ long time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += StrictMath.log(Math.PI + i/* 1.0 + i/1e9 */);
+ long strictMath = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += FastMath.log(Math.PI + i/* 1.0 + i/1e9 */);
+ long fastTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += Math.log(Math.PI + i/* 1.0 + i/1e9 */);
+ long mathTime = System.nanoTime() - time;
+
+ report("log",strictMath,fastTime,mathTime);
+ }
+
+ @Test
+ public void testPow() {
+ double x = 0;
+ long time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += StrictMath.pow(Math.PI + i / 1e6, i / 1e6);
+ long strictTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += FastMath.pow(Math.PI + i / 1e6, i / 1e6);
+ long fastTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += Math.pow(Math.PI + i / 1e6, i / 1e6);
+ long mathTime = System.nanoTime() - time;
+ report("pow",strictTime,fastTime,mathTime);
+ }
+
+ @Test
+ public void testExp() {
+ double x = 0;
+ long time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += StrictMath.exp(i / 1000000.0);
+ long strictTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += FastMath.exp(i / 1000000.0);
+ long fastTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += Math.exp(i / 1000000.0);
+ long mathTime = System.nanoTime() - time;
+
+ report("exp",strictTime,fastTime,mathTime);
+ }
+
+ @Test
+ public void testSin() {
+ double x = 0;
+ long time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += StrictMath.sin(i / 1000000.0);
+ long strictTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += FastMath.sin(i / 1000000.0);
+ long fastTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += Math.sin(i / 1000000.0);
+ long mathTime = System.nanoTime() - time;
+
+ report("sin",strictTime,fastTime,mathTime);
+ }
+
+ @Test
+ public void testAsin() {
+ double x = 0;
+ long time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += StrictMath.asin(i / 10000000.0);
+ long strictTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += FastMath.asin(i / 10000000.0);
+ long fastTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += Math.asin(i / 10000000.0);
+ long mathTime = System.nanoTime() - time;
+
+ report("asin",strictTime,fastTime,mathTime);
+ }
+
+ @Test
+ public void testCos() {
+ double x = 0;
+ long time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += StrictMath.cos(i / 1000000.0);
+ long strictTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += FastMath.cos(i / 1000000.0);
+ long fastTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += Math.cos(i / 1000000.0);
+ long mathTime = System.nanoTime() - time;
+
+ report("cos",strictTime,fastTime,mathTime);
+ }
+
+ @Test
+ public void testAcos() {
+ double x = 0;
+ long time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += StrictMath.acos(i / 10000000.0);
+ long strictTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += FastMath.acos(i / 10000000.0);
+ long fastTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += Math.acos(i / 10000000.0);
+ long mathTime = System.nanoTime() - time;
+ report("acos",strictTime,fastTime,mathTime);
+ }
+
@Test
- public void testPerformance() {
- final int numberOfRuns = 10000000;
- for (int j = 0; j < 10; j++) {
- double x = 0;
- long time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += StrictMath.log(Math.PI + i/* 1.0 + i/1e9 */);
- time = System.currentTimeMillis() - time;
- System.out.print("StrictMath.log " + time + "\t" + x + "\t");
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += FastMath.log(Math.PI + i/* 1.0 + i/1e9 */);
- time = System.currentTimeMillis() - time;
- System.out.println("FastMath.log " + time + "\t" + x);
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += StrictMath.pow(Math.PI + i / 1e6, i / 1e6);
- time = System.currentTimeMillis() - time;
- System.out.print("StrictMath.pow " + time + "\t" + x + "\t");
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += FastMath.pow(Math.PI + i / 1e6, i / 1e6);
- time = System.currentTimeMillis() - time;
- System.out.println("FastMath.pow " + time + "\t" + x);
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += StrictMath.exp(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.print("StrictMath.exp " + time + "\t" + x + "\t");
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += FastMath.exp(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.println("FastMath.exp " + time + "\t" + x);
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += StrictMath.sin(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.print("StrictMath.sin " + time + "\t" + x + "\t");
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += FastMath.sin(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.println("FastMath.sin " + time + "\t" + x);
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += StrictMath.asin(i / 10000000.0);
- time = System.currentTimeMillis() - time;
- System.out.print("StrictMath.asin " + time + "\t" + x + "\t");
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += FastMath.asin(i / 10000000.0);
- time = System.currentTimeMillis() - time;
- System.out.println("FastMath.asin " + time + "\t" + x);
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += StrictMath.cos(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.print("StrictMath.cos " + time + "\t" + x + "\t");
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += FastMath.cos(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.println("FastMath.cos " + time + "\t" + x);
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += StrictMath.acos(i / 10000000.0);
- time = System.currentTimeMillis() - time;
- System.out.print("StrictMath.acos " + time + "\t" + x + "\t");
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += FastMath.acos(i / 10000000.0);
- time = System.currentTimeMillis() - time;
- System.out.println("FastMath.acos " + time + "\t" + x);
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += StrictMath.tan(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.print("StrictMath.tan " + time + "\t" + x + "\t");
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += FastMath.tan(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.println("FastMath.tan " + time + "\t" + x);
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += StrictMath.atan(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.print("StrictMath.atan " + time + "\t" + x + "\t");
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += FastMath.atan(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.println("FastMath.atan " + time + "\t" + x);
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += StrictMath.cbrt(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.print("StrictMath.cbrt " + time + "\t" + x + "\t");
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += FastMath.cbrt(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.println("FastMath.cbrt " + time + "\t" + x);
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += StrictMath.cosh(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.print("StrictMath.cosh " + time + "\t" + x + "\t");
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += FastMath.cosh(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.println("FastMath.cosh " + time + "\t" + x);
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += StrictMath.sinh(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.print("StrictMath.sinh " + time + "\t" + x + "\t");
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += FastMath.sinh(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.println("FastMath.sinh " + time + "\t" + x);
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += StrictMath.tanh(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.print("StrictMath.tanh " + time + "\t" + x + "\t");
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += FastMath.tanh(i / 1000000.0);
- time = System.currentTimeMillis() - time;
- System.out.println("FastMath.tanh " + time + "\t" + x);
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += StrictMath.expm1(-i / 100000.0);
- time = System.currentTimeMillis() - time;
- System.out.print("StrictMath.expm1 " + time + "\t" + x + "\t");
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += FastMath.expm1(-i / 100000.0);
- time = System.currentTimeMillis() - time;
- System.out.println("FastMath.expm1 " + time + "\t" + x);
-
- x = 0;
- time = System.currentTimeMillis();
- for (int i = 0; i < numberOfRuns; i++)
- x += FastMath.expm1(-i / 100000.0);
- time = System.currentTimeMillis() - time;
- System.out.println("FastMath.expm1 " + time + "\t" + x);
+ public void testTan() {
+ double x = 0;
+ long time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += StrictMath.tan(i / 1000000.0);
+ long strictTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += FastMath.tan(i / 1000000.0);
+ long fastTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += Math.tan(i / 1000000.0);
+ long mathTime = System.nanoTime() - time;
+
+ report("tan",strictTime,fastTime,mathTime);
+ }
+
+ @Test
+ public void testAtan() {
+ double x = 0;
+ long time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += StrictMath.atan(i / 1000000.0);
+ long strictTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += FastMath.atan(i / 1000000.0);
+ long fastTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += Math.atan(i / 1000000.0);
+ long mathTime = System.nanoTime() - time;
+
+ report("atan",strictTime,fastTime,mathTime);
+ }
+
+ @Test
+ public void testCbrt() {
+ double x = 0;
+ long time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += StrictMath.cbrt(i / 1000000.0);
+ long strictTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += FastMath.cbrt(i / 1000000.0);
+ long fastTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += Math.cbrt(i / 1000000.0);
+ long mathTime = System.nanoTime() - time;
+
+ report("cbrt",strictTime,fastTime,mathTime);
+ }
- }
+ @Test
+ public void testCosh() {
+ double x = 0;
+ long time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += StrictMath.cosh(i / 1000000.0);
+ long strictTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += FastMath.cosh(i / 1000000.0);
+ long fastTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += Math.cosh(i / 1000000.0);
+ long mathTime = System.nanoTime() - time;
+
+ report("cosh",strictTime,fastTime,mathTime);
+ }
+
+ @Test
+ public void testSinh() {
+ double x = 0;
+ long time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += StrictMath.sinh(i / 1000000.0);
+ long strictTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += FastMath.sinh(i / 1000000.0);
+ long fastTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += Math.sinh(i / 1000000.0);
+ long mathTime = System.nanoTime() - time;
+
+ report("sinh",strictTime,fastTime,mathTime);
+ }
+
+ @Test
+ public void testTanh() {
+ double x = 0;
+ long time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += StrictMath.tanh(i / 1000000.0);
+ long strictTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += FastMath.tanh(i / 1000000.0);
+ long fastTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += Math.tanh(i / 1000000.0);
+ long mathTime = System.nanoTime() - time;
+
+ report("tanh",strictTime,fastTime,mathTime);
+ }
+
+ @Test
+ public void testExpm1() {
+ double x = 0;
+ long time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += StrictMath.expm1(-i / 100000.0);
+ long strictTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += FastMath.expm1(-i / 100000.0);
+ long fastTime = System.nanoTime() - time;
+
+ x = 0;
+ time = System.nanoTime();
+ for (int i = 0; i < RUNS; i++)
+ x += Math.expm1(-i / 100000.0);
+ long mathTime = System.nanoTime() - time;
+ report("expm1",strictTime,fastTime,mathTime);
}
-
-}
\ No newline at end of file
+}