uni/inf2440/hw3/Main.java

import java.util.Random;

class Main {
	static int nTests = 7;

	public static void main(String[] args) {

		Solver sseq = new Sequential();
		Solver spar = new Parallel();

		if (args.length != 1) {
			System.out.println(" bruk : >java SekvensiellRadix <n> ");
		} else {
			int n = Integer.parseInt(args[0]);
			Timer seq = test(sseq, n);
			System.out.println("Sequential: "+seq.prettyTime());

			Timer par = test(spar, n);
			System.out.println("Parallel: "+par.prettySpeedup(seq));
		}
	}

	static Timer test (Solver s, int len) {
		Random r = new Random(123);

		Timer[] timers = new Timer[nTests];
		for (int i = 0; i < nTests; ++i) {
			int[] a = new int[len];
			for (int j = 0; j < len; j++) {
				a[j] = r.nextInt(len);
			}

			Timer t = timers[i] = new Timer().start();
			a = s.sort(a);
			t.end();
			new MultiRadix().testSort(a);
			return t;
		}
		return Timer.median(timers);
	} // end doIt
}