-/* Master of a basic master/slave example in Java */
-
-/* Copyright (c) 2006-2014. The SimGrid Team.
+/* Copyright (c) 2006-2014, 2016. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
package async;
import java.util.ArrayList;
+import org.simgrid.msg.Msg;
import org.simgrid.msg.Comm;
import org.simgrid.msg.Host;
-import org.simgrid.msg.Msg;
-import org.simgrid.msg.MsgException;
-import org.simgrid.msg.Process;
import org.simgrid.msg.Task;
+import org.simgrid.msg.Process;
+import org.simgrid.msg.MsgException;
public class Master extends Process {
- public Master(Host host, String name, String[]args) {
- super(host,name,args);
- }
- public void main(String[] args) throws MsgException {
- if (args.length < 4) {
- Msg.info("Master needs 4 arguments");
- System.exit(1);
- }
+ public Master(Host host, String name, String[]args) {
+ super(host,name,args);
+ }
+
+ public void main(String[] args) throws MsgException {
+ if (args.length < 4) {
+ Msg.info("Master needs 4 arguments");
+ System.exit(1);
+ }
+
+ int tasksCount = Integer.valueOf(args[0]).intValue();
+ double taskComputeSize = Double.valueOf(args[1]).doubleValue();
+ double taskCommunicateSize = Double.valueOf(args[2]).doubleValue();
+
+ int slavesCount = Integer.valueOf(args[3]).intValue();
- int tasksCount = Integer.valueOf(args[0]).intValue();
- double taskComputeSize = Double.valueOf(args[1]).doubleValue();
- double taskCommunicateSize = Double.valueOf(args[2]).doubleValue();
+ Msg.info("Hello! Got "+ slavesCount + " slaves and "+tasksCount+" tasks to process");
+ ArrayList<Comm> comms = new ArrayList<Comm>();
- int slavesCount = Integer.valueOf(args[3]).intValue();
+ for (int i = 0; i < tasksCount; i++) {
+ Task task = new Task("Task_" + i, taskComputeSize, taskCommunicateSize);
+ Msg.info("Sending \"" + task.getName()+ "\" to \"slave_" + i % slavesCount + "\"");
+ Comm comm = task.isend("slave_"+(i%slavesCount));
+ comms.add(comm);
+ }
- Msg.info("Hello! Got "+ slavesCount + " slaves and "+tasksCount+" tasks to process");
- ArrayList<Comm> comms = new ArrayList<Comm>();
-
- for (int i = 0; i < tasksCount; i++) {
- Task task = new Task("Task_" + i, taskComputeSize, taskCommunicateSize);
- Msg.info("Sending \"" + task.getName()+ "\" to \"slave_" + i % slavesCount + "\"");
- //task.send("slave_"+(i%slavesCount));
- Comm comm = task.isend("slave_"+(i%slavesCount));
- comms.add(comm);
- }
-
- while (comms.size() > 0) {
- for (int i = 0; i < comms.size(); i++) {
- try {
- if (comms.get(i).test()) {
- comms.remove(i);
- i--;
- }
- }
- catch (Exception e) {
- e.printStackTrace();
- }
- }
- waitFor(1);
- }
-
- Msg.info("All tasks have been dispatched. Let's tell (asynchronously) everybody the computation is over, and sleep 20s so that nobody gets a message from a terminated process.");
+ while (comms.size() > 0) {
+ for (int i = 0; i < comms.size(); i++) {
+ try {
+ if (comms.get(i).test()) {
+ comms.remove(i);
+ i--;
+ }
+ }
+ catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+ waitFor(1);
+ }
+ Msg.info("All tasks have been dispatched. Let's tell (asynchronously) everybody the computation is over,"+
+ " and sleep 20s so that nobody gets a message from a terminated process.");
- for (int i = 0; i < slavesCount; i++) {
- FinalizeTask task = new FinalizeTask();
- task.dsend("slave_"+(i%slavesCount));
- }
- waitFor(20);
+ for (int i = 0; i < slavesCount; i++) {
+ FinalizeTask task = new FinalizeTask();
+ task.dsend("slave_"+(i%slavesCount));
+ }
+ waitFor(20);
- Msg.info("Goodbye now!");
- }
+ Msg.info("Goodbye now!");
+ }
}
