1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/* 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.*;
class Sender extends Actor {
Mailbox mailbox;
public Sender(Mailbox mb) { mailbox = mb; }
public void run() throws SimgridException
{
Double computationAmount = get_host().get_speed();
Exec exec = exec_init(2 * computationAmount);
Comm comm = mailbox.put_init(computationAmount, 7e6);
exec.set_name("exec on sender").add_successor(comm).start();
comm.set_name("comm to receiver").start();
exec.await();
comm.await();
}
}
class Receiver extends Actor {
Mailbox mailbox;
public Receiver(Mailbox mb) { mailbox = mb; }
public void run() throws SimgridException
{
Double computationAmount = get_host().get_speed();
Exec exec = exec_init(2 * computationAmount);
Comm comm = mailbox.get_init();
comm.set_name("comm from sender").add_successor(exec).start();
exec.set_name("exec on receiver").start();
comm.await();
exec.await();
double received = (double)comm.get_payload();
Engine.info("Received: " + (int)received + " flops were computed on sender");
}
}
public class comm_dependent {
public static void main(String[] args)
{
Engine e = new Engine(args);
e.load_platform(args[0]);
Mailbox mbox = e.mailbox_by_name("Mailbox");
e.host_by_name("Tremblay").add_actor("sender", new Sender(mbox));
e.host_by_name("Jupiter").add_actor("receiver", new Receiver(mbox));
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();
}
}
|
