Output timing info as a ratio with respect to StrictMath benchmark result.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1063019 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Gilles Sadowski
parent
a3f6c210e3
commit
7b09face70
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@ -27,565 +27,380 @@ import org.junit.Ignore;
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*/
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public class FastMathTestPerformance {
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private static final int RUNS = 10000000;
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private static final double SCALE = 1000d / RUNS;
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@Ignore
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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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private void print(String funcName) {
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System.out.print(funcName + " ");
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}
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private void print(long time, long unitTime) {
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final double ratio = time / (double) unitTime;
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System.out.print(time + " " + ratio + " ");
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}
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private void println(long time, long unitTime) {
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print(time, unitTime);
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System.out.println();
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}
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@Test
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public void testLog() {
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System.out.print("log ");
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print("log");
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double x = 0;
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long time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; 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(time * SCALE + " ");
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long unitTime = time;
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print(time, unitTime);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; 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.print(time * SCALE + " ");
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print(time, unitTime);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; i++)
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x += Math.log(Math.PI + i/* 1.0 + i/1e9 */);
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time = System.currentTimeMillis() - time;
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System.out.println(time * SCALE);
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println(time, unitTime);
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}
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@Test
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public void testPow() {
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System.out.print("pow ");
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print("pow");
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double x = 0;
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long time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; 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(time * SCALE + " ");
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long unitTime = time;
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print(time, unitTime);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; 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.print(time * SCALE + " ");
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print(time, unitTime);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; i++)
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x += Math.pow(Math.PI + i / 1e6, i / 1e6);
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time = System.currentTimeMillis() - time;
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System.out.println(time * SCALE);
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println(time, unitTime);
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}
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@Test
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public void testExp() {
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System.out.print("exp ");
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print("exp");
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double x = 0;
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long time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; 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(time * SCALE + " ");
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long unitTime = time;
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print(time, unitTime);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; 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.print(time * SCALE + " ");
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print(time, unitTime);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; i++)
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x += Math.exp(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println(time * SCALE);
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println(time, unitTime);
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}
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@Test
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public void testSin() {
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System.out.print("sin ");
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print("sin");
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double x = 0;
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long time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; 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(time * SCALE + " ");
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long unitTime = time;
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print(time, unitTime);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; 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.print(time * SCALE + " ");
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print(time, unitTime);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; i++)
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x += Math.sin(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println(time * SCALE);
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println(time, unitTime);
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}
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@Test
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public void testAsin() {
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System.out.print("asin ");
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print("asin");
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double x = 0;
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long time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; 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(time * SCALE + " ");
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long unitTime = time;
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print(time, unitTime);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; 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.print(time * SCALE + " ");
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print(time, unitTime);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; i++)
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x += Math.asin(i / 10000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println(time * SCALE);
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println(time, unitTime);
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}
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@Test
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public void testCos() {
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System.out.print("cos ");
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print("cos");
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double x = 0;
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long time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; 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(time * SCALE + " ");
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long unitTime = time;
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print(time, unitTime);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; 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.print(time * SCALE + " ");
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print(time, unitTime);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; i++)
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x += Math.cos(i / 1000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println(time * SCALE);
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println(time, unitTime);
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}
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@Test
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public void testAcos() {
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System.out.print("acos ");
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print("acos");
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double x = 0;
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long time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; 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(time * SCALE + " ");
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long unitTime = time;
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print(time, unitTime);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; 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.print(time * SCALE + " ");
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print(time, unitTime);
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x = 0;
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time = System.currentTimeMillis();
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for (int i = 0; i < RUNS; i++)
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x += Math.acos(i / 10000000.0);
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time = System.currentTimeMillis() - time;
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System.out.println(time * SCALE);
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println(time, unitTime);
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}
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@Test
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||||
public void testTan() {
|
||||
System.out.print("tan ");
|
||||
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 + " ");
|
||||
long unitTime = time;
|
||||
print(time, unitTime);
|
||||
|
||||
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 + " ");
|
||||
print(time, unitTime);
|
||||
|
||||
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);
|
||||
println(time, unitTime);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testAtan() {
|
||||
System.out.print("atan ");
|
||||
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 + " ");
|
||||
long unitTime = time;
|
||||
print(time, unitTime);
|
||||
|
||||
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 + " ");
|
||||
print(time, unitTime);
|
||||
|
||||
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);
|
||||
println(time, unitTime);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCbrt() {
|
||||
System.out.print("cbrt ");
|
||||
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 + " ");
|
||||
long unitTime = time;
|
||||
print(time, unitTime);
|
||||
|
||||
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 + " ");
|
||||
print(time, unitTime);
|
||||
|
||||
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);
|
||||
println(time, unitTime);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCosh() {
|
||||
System.out.print("cosh ");
|
||||
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 + " ");
|
||||
long unitTime = time;
|
||||
print(time, unitTime);
|
||||
|
||||
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 + " ");
|
||||
print(time, unitTime);
|
||||
|
||||
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);
|
||||
println(time, unitTime);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testSinh() {
|
||||
System.out.print("sinh ");
|
||||
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 + " ");
|
||||
long unitTime = time;
|
||||
print(time, unitTime);
|
||||
|
||||
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 + " ");
|
||||
print(time, unitTime);
|
||||
|
||||
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);
|
||||
println(time, unitTime);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testTanh() {
|
||||
System.out.print("tanh ");
|
||||
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 + " ");
|
||||
long unitTime = time;
|
||||
print(time, unitTime);
|
||||
|
||||
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 + " ");
|
||||
print(time, unitTime);
|
||||
|
||||
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);
|
||||
println(time, unitTime);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testExpm1() {
|
||||
System.out.print("expm1 ");
|
||||
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 + " ");
|
||||
long unitTime = time;
|
||||
print(time, unitTime);
|
||||
|
||||
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 + " ");
|
||||
print(time, unitTime);
|
||||
|
||||
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);
|
||||
println(time, unitTime);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue