/* * This file is part of the X10 project (http://x10-lang.org). * * This file is licensed to You under the Eclipse Public License (EPL); * You may not use this file except in compliance with the License. * You may obtain a copy of the License at * http://www.opensource.org/licenses/eclipse-1.0.php * * (C) Copyright IBM Corporation 2006-2010. */ /** * @author bdlucas */ public class SeqRail2 extends Benchmark { // // parameters // final int N = 2000; double expected() {return 1.0*N*N*(N-1);} double operations() {return 2.0*N*N;} // // the benchmark // final double [] a = new double[N*N]; double once() { for (int i=0; i<N; i++) for (int j=0; j<N; j++) a[i*N+j] = (double)(i+j); double sum = 0.0; for (int i=0; i<N; i++) for (int j=0; j<N; j++) sum += a[i*N+j]; return sum; } // // boilerplate // public static void main(String [] args) { new SeqRail2().run(); } }