Groundwork for performance related tests

testdata/src/main/java/remote/Perf2.java

@@ -0,0 +1,49 @@
+package remote;
+
+import java.util.Random;
+
+public class Perf2 {
+
+	int repeats = 100;
+
+	public static void main(String[] args) {
+		time();
+	}
+	
+	public static void time() {
+		long stime = System.currentTimeMillis();
+		System.out.println(computepi(1000000));
+		long etime = System.currentTimeMillis();
+		System.out.println("took "+(etime-stime)+"ms");
+	}
+
+	public static double computepi(int iterations) {
+		Random randomGen = new Random(System.currentTimeMillis());
+		int insideCount = 0;
+		for (int i = 1; i <= iterations; i++) {
+			insideCount += doOneIteration(randomGen);
+		}
+		return calc(iterations, insideCount);
+	}
+
+	private static int doOneIteration(Random randomGen) {
+		double xPos = getRandom(randomGen);
+		double yPos = getRandom(randomGen);
+		return isInside( xPos, yPos);
+	}
+
+	private static int isInside( double xPos, double yPos) {
+		double distance = Math.sqrt((xPos * xPos) + (yPos * yPos));
+		if (distance<1.0) return 1;
+		else return 0;
+	}
+
+	private static double getRandom(Random randomGen) {
+		return (randomGen.nextDouble()) * 2 - 1.0;
+	}
+
+	private static double calc(int iterations, int insideCount) {
+		return 4.0 * (insideCount / (double)iterations);
+	}
+
+}