1 /* Copyright (c) 2007-2018. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/s4u.hpp"
10 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example");
12 static int master(int argc, char* argv[])
14 xbt_assert(argc == 5, "Expecting one parameter");
16 simgrid::s4u::MailboxPtr mailbox;
17 long number_of_tasks = xbt_str_parse_int(argv[1], "Invalid amount of tasks: %s");
18 double comp_size = xbt_str_parse_double(argv[2], "Invalid computational size: %s");
19 double comm_size = xbt_str_parse_double(argv[3], "Invalid communication size: %s");
20 long workers_count = xbt_str_parse_int(argv[4], "Invalid amount of workers: %s");
22 XBT_INFO("Got %ld workers and %ld tasks to process", workers_count, number_of_tasks);
24 for (int i = 0; i < number_of_tasks; i++) {
25 mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(i % workers_count));
26 double* payload = new double(comp_size);
28 XBT_INFO("Send a message to %s", mailbox->get_cname());
29 mailbox->put(payload, comm_size, 10.0);
30 XBT_INFO("Send to %s completed", mailbox->get_cname());
34 XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!");
38 XBT_INFO("Mmh. Something went wrong with '%s'. Nevermind. Let's keep going!", mailbox->get_cname());
41 XBT_INFO("Mmh. Got timeouted while speaking to '%s'. Nevermind. Let's keep going!", mailbox->get_cname());
44 xbt_die("Unexpected behavior");
50 XBT_INFO("All tasks have been dispatched. Let's tell everybody the computation is over.");
51 for (int i = 0; i < workers_count; i++) {
52 /* - Eventually tell all the workers to stop by sending a "finalize" task */
53 mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(i));
54 double* payload = new double(-1.0);
56 mailbox->put(payload, 0, 1.0);
61 XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!");
64 XBT_INFO("Mmh. Something went wrong with '%s'. Nevermind. Let's keep going!", mailbox->get_cname());
67 XBT_INFO("Mmh. Got timeouted while speaking to '%s'. Nevermind. Let's keep going!", mailbox->get_cname());
70 xbt_die("Unexpected behavior");
75 XBT_INFO("Goodbye now!");
79 static int worker(int argc, char* argv[])
81 xbt_assert(argc == 2, "Expecting one parameter");
82 long id = xbt_str_parse_int(argv[1], "Invalid argument %s");
83 simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(id));
84 double* payload = nullptr;
85 double comp_size = -1;
88 XBT_INFO("Waiting a message on %s", mailbox->get_cname());
89 payload = static_cast<double*>(mailbox->get());
91 xbt_assert(payload != nullptr, "mailbox->get() failed");
92 if (comp_size < 0) { /* - Exit when -1.0 is received */
93 XBT_INFO("I'm done. See you!");
96 /* - Otherwise, process the task */
98 XBT_INFO("Start execution...");
99 simgrid::s4u::this_actor::execute(comp_size);
100 XBT_INFO("Execution complete.");
101 } catch (xbt_ex& e) {
102 if (e.category == host_error) {
103 XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!");
106 xbt_die("Unexpected behavior");
110 } catch (xbt_ex& e) {
111 switch (e.category) {
113 XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!");
116 XBT_INFO("Mmh. Something went wrong. Nevermind. Let's keep going!");
119 xbt_die("Unexpected behavior");
126 int main(int argc, char* argv[])
128 simgrid::s4u::Engine e(&argc, argv);
129 e.load_platform(argv[1]);
130 e.register_function("master", master);
131 e.register_function("worker", worker);
132 e.load_deployment(argv[2]);
136 XBT_INFO("Simulation time %g", simgrid::s4u::Engine::get_clock());