1 /* Copyright (c) 2007-2023. 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"
8 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example");
9 namespace sg4 = simgrid::s4u;
13 const sg4::Host* fafard = sg4::Host::by_name("Fafard");
14 sg4::Host* ginette = sg4::Host::by_name("Ginette");
15 sg4::Host* boivin = sg4::Host::by_name("Boivin");
17 XBT_INFO("I'm a wizard! I can run an activity on the Ginette host from the Fafard one! Look!");
18 sg4::ExecPtr exec = sg4::this_actor::exec_init(48.492e6);
19 exec->set_host(ginette);
21 XBT_INFO("It started. Running 48.492Mf takes exactly one second on Ginette (but not on Fafard).");
23 sg4::this_actor::sleep_for(0.1);
24 XBT_INFO("Loads in flops/s: Boivin=%.0f; Fafard=%.0f; Ginette=%.0f", boivin->get_load(), fafard->get_load(),
30 XBT_INFO("And now, harder. Start a remote activity on Ginette and move it to Boivin after 0.5 sec");
31 exec = sg4::this_actor::exec_init(73293500)->set_host(ginette);
34 sg4::this_actor::sleep_for(0.5);
35 XBT_INFO("Loads before the move: Boivin=%.0f; Fafard=%.0f; Ginette=%.0f", boivin->get_load(), fafard->get_load(),
38 exec->set_host(boivin);
40 sg4::this_actor::sleep_for(0.1);
41 XBT_INFO("Loads after the move: Boivin=%.0f; Fafard=%.0f; Ginette=%.0f", boivin->get_load(), fafard->get_load(),
47 XBT_INFO("And now, even harder. Start a remote activity on Ginette and turn off the host after 0.5 sec");
48 exec = sg4::this_actor::exec_init(48.492e6)->set_host(ginette);
51 sg4::this_actor::sleep_for(0.5);
55 } catch (const simgrid::HostFailureException&) {
56 XBT_INFO("Execution failed on %s", ginette->get_cname());
61 int main(int argc, char* argv[])
63 sg4::Engine e(&argc, argv);
64 e.load_platform(argv[1]);
65 sg4::Actor::create("test", e.host_by_name("Fafard"), wizard);