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/* Copyright (c) 2007-2025. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
import org.simgrid.s4u.*;
public class dag_comm {
public static void main(String[] args)
{
Engine e = new Engine(args);
e.load_platform(args[0]);
Host tremblay = e.host_by_name("Tremblay");
Host jupiter = e.host_by_name("Jupiter");
// Display the details on vetoed activities
Exec.on_veto_cb(new CallbackExec() {
public void run(Exec exec)
{
Engine.info("Execution '%s' vetoed. Dependencies: %s; Ressources: %s", exec.get_name(),
(exec.dependencies_solved() ? "solved" : "NOT solved"),
(exec.is_assigned() ? "assigned" : "NOT assigned"));
}
});
Comm.on_veto_cb(new CallbackComm() {
public void run(Comm comm)
{
Engine.info("Communication '%s' vetoed. Dependencies: %s; Ressources: %s", comm.get_name(),
(comm.dependencies_solved() ? "solved" : "NOT solved"),
(comm.is_assigned() ? "assigned" : "NOT assigned"));
}
});
Exec.on_completion_cb(new CallbackExec() {
public void run(Exec exec)
{
Engine.info("Exec '%s' is complete (start time: %f, finish time: %f)", exec.get_name(), exec.get_start_time(),
exec.get_finish_time());
}
});
Comm.on_completion_cb(new CallbackComm() {
public void run(Comm comm)
{
Engine.info("Comm '%s' is complete", comm.get_name());
}
});
// Create a small DAG: parent.transfer.child
Exec parent = Exec.init();
Comm transfer = Comm.sendto_init();
Exec child = Exec.init();
parent.add_successor(transfer);
transfer.add_successor(child);
// Set the parameters (the name is for logging purposes only)
// + parent and child end after 1 second
parent.set_name("parent").set_flops_amount(tremblay.get_speed()).start();
transfer.set_name("transfer").set_payload_size(125e6).start();
child.set_name("child").set_flops_amount(jupiter.get_speed()).start();
// Schedule the different activities
parent.set_host(tremblay);
transfer.set_source(tremblay);
child.set_host(jupiter);
transfer.set_destination(jupiter);
e.run();
Engine.info("Simulation ends.");
// The following call is useless in your code, but our continuous integration uses it to track memleaks
e.force_garbage_collection();
}
}
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