Split testPerformance() into new class
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1062456 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Sebastian Bazley
parent
de4aff2319
commit
febcb077e7
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@ -1212,215 +1212,4 @@ public class FastMathTest {
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compareClassMethods( FastMath.class, StrictMath.class);
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}
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@Ignore
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@Test
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public void testPerformance() {
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final int numberOfRuns = 10000000;
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for (int j = 0; j < 10; j++) {
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double x = 0;
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long time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.log(Math.PI + i/* 1.0 + i/1e9 */);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.log " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.log(Math.PI + i/* 1.0 + i/1e9 */);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.log " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.pow(Math.PI + i / 1e6, i / 1e6);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.pow " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.pow(Math.PI + i / 1e6, i / 1e6);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.pow " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.exp(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.exp " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.exp(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.exp " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.sin(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.sin " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.sin(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.sin " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.asin(i / 10000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.asin " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.asin(i / 10000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.asin " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.cos(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.cos " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.cos(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.cos " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.acos(i / 10000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.acos " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.acos(i / 10000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.acos " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.tan(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.tan " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.tan(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.tan " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.atan(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.atan " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.atan(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.atan " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.cbrt(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.cbrt " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.cbrt(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.cbrt " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.cosh(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.cosh " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.cosh(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.cosh " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.sinh(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.sinh " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.sinh(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.sinh " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.tanh(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.tanh " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.tanh(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.tanh " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.expm1(-i / 100000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.expm1 " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.expm1(-i / 100000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.expm1 " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.expm1(-i / 100000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.expm1 " + time + "\t" + x);
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}
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}
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}
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@ -0,0 +1,238 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.commons.math.util;
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import org.junit.Test;
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/**
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* Performance tests for FastMath.
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* Not enabled by default, as the class does not have Test in its name.
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*
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* Invoke by running {@code mvn test -Dtest=FastMathTestPerformance}
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*/
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public class FastMathTestPerformance {
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@Test
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public void testPerformance() {
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final int numberOfRuns = 10000000;
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for (int j = 0; j < 10; j++) {
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double x = 0;
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long time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.log(Math.PI + i/* 1.0 + i/1e9 */);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.log " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.log(Math.PI + i/* 1.0 + i/1e9 */);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.log " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.pow(Math.PI + i / 1e6, i / 1e6);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.pow " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.pow(Math.PI + i / 1e6, i / 1e6);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.pow " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.exp(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.exp " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.exp(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.exp " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.sin(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.sin " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.sin(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.sin " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.asin(i / 10000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.asin " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.asin(i / 10000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.asin " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.cos(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.cos " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.cos(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.cos " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.acos(i / 10000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.acos " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.acos(i / 10000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.acos " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.tan(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.tan " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.tan(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.tan " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.atan(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.atan " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.atan(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.atan " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.cbrt(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.cbrt " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.cbrt(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.cbrt " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.cosh(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.cosh " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += FastMath.cosh(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println("FastMath.cosh " + time + "\t" + x);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < numberOfRuns; i++)
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x += StrictMath.sinh(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.print("StrictMath.sinh " + time + "\t" + x + "\t");
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x = 0;
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time = System.currentTimeMillis();
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||||
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);
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue