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//******************************************************************************
//
// File: Test19.java
// Package: edu.rit.pj.test
// Unit: Class edu.rit.pj.test.Test19
//
// This Java source file is copyright (C) 2008 by Alan Kaminsky. All rights
// reserved. For further information, contact the author, Alan Kaminsky, at
// ark@cs.rit.edu.
//
// This Java source file is part of the Parallel Java Library ("PJ"). PJ is free
// software; you can redistribute it and/or modify it under the terms of the GNU
// General Public License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// PJ is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
// A PARTICULAR PURPOSE. See the GNU General Public License for more details.
//
// Linking this library statically or dynamically with other modules is making a
// combined work based on this library. Thus, the terms and conditions of the
// GNU General Public License cover the whole combination.
//
// As a special exception, the copyright holders of this library give you
// permission to link this library with independent modules to produce an
// executable, regardless of the license terms of these independent modules, and
// to copy and distribute the resulting executable under terms of your choice,
// provided that you also meet, for each linked independent module, the terms
// and conditions of the license of that module. An independent module is a
// module which is not derived from or based on this library. If you modify this
// library, you may extend this exception to your version of the library, but
// you are not obligated to do so. If you do not wish to do so, delete this
// exception statement from your version.
//
// A copy of the GNU General Public License is provided in the file gpl.txt. You
// may also obtain a copy of the GNU General Public License on the World Wide
// Web at http://www.gnu.org/licenses/gpl.html.
//
//******************************************************************************
package edu.rit.pj.test;
import edu.rit.pj.Comm;
import edu.rit.pj.PJProperties;
import edu.rit.mp.IntegerBuf;
/**
* Class Test19 is a unit test main program for class {@linkplain
* edu.rit.pj.Comm} and class {@linkplain edu.rit.pj.PJProperties}. The program
* runs on a number of processors in the cluster. Each process prints out its
* own PJ property settings.
* <P>
* Usage: java -Dpj.nn=<I>nn</I> -Dpj.np=<I>np</I> -Dpj.nt=<I>nt</I>
* edu.rit.pj.test.Test19
* <BR><I>nn</I> = Number of backend nodes
* <BR><I>np</I> = Number of processes
* <BR><I>nt</I> = Number of CPUs per process
*
* @author Alan Kaminsky
* @version 21-May-2008
*/
public class Test19
{
// Prevent construction.
private Test19()
{
}
// Global variables.
// World communicator.
static Comm world;
static int size;
static int rank;
// Main program.
/**
* Unit test main program.
*/
public static void main
(String[] args)
throws Exception
{
// Initialize middleware.
Comm.init (args);
world = Comm.world();
size = world.size();
rank = world.rank();
// Wait for previous process to print.
if (rank > 0) world.receive (rank-1, IntegerBuf.emptyBuffer());
// Print.
System.out.println ("Process " + rank);
System.out.println ("\tworld.size() = " + size);
System.out.println ("\tworld.rank() = " + rank);
System.out.println ("\tworld.host() = " + world.host());
System.out.println ("\tpj.nn = " + PJProperties.getPjNn());
System.out.println ("\tpj.np = " + PJProperties.getPjNp());
System.out.println ("\tpj.nt = " + PJProperties.getPjNt());
System.out.println ("\tpj.schedule = " + PJProperties.getPjSchedule());
System.out.println ("\tpj.host = " + PJProperties.getPjHost());
System.out.println ("\tpj.port = " + PJProperties.getPjPort());
System.out.println ("\tpj.jobtime = " + PJProperties.getPjJobTime());
System.out.println ("\tpj.jvmflags = " + PJProperties.getPjJvmFlags());
System.out.println ("\tpj.prng = " + PJProperties.getPjPrng());
// Tell next process to print.
if (rank < size-1) world.send (rank+1, IntegerBuf.emptyBuffer());
}
}
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