static simgrid::config::Flag<int> cfg_host_count{"host-count", "Host count (master on one, workers on the others)", 3};
static simgrid::config::Flag<double> cfg_deadline{"deadline", "When to fail the simulation (infinite loop detection)",
120};
-static simgrid::config::Flag<int> cfg_task_count{"task-count", "Amount of tasks that must be executed to succeed", 2};
+static simgrid::config::Flag<int> cfg_task_count{"task-count", "Amount of tasks that must be executed to succeed", 1};
int todo; // remaining amount of tasks to execute, a global variable
sg4::Mailbox* mailbox; // as a global to reduce the amount of simcalls during actor reboot
{
double comp_size = 1e6;
long comm_size = 1e6;
- XBT_INFO("Master booting");
- sg4::Actor::self()->daemonize();
- sg4::this_actor::on_exit(
- [](bool forcefully) { XBT_INFO("Master dying %s.", forcefully ? "forcefully" : "peacefully"); });
+ bool rebooting = sg4::Actor::self()->get_restart_count() > 0;
+
+ XBT_INFO("Master %s", rebooting ? "rebooting" : "booting");
+ if (not rebooting) // Starting for the first time
+ sg4::this_actor::on_exit(
+ [](bool forcefully) { XBT_INFO("Master dying %s.", forcefully ? "forcefully" : "peacefully"); });
while (true) { // This is a daemon
xbt_assert(sg4::Engine::get_clock() < cfg_deadline,
static void worker(int id)
{
- XBT_INFO("Worker booting");
- sg4::this_actor::on_exit(
- [id](bool forcefully) { XBT_INFO("worker %d dying %s.", id, forcefully ? "forcefully" : "peacefully"); });
+ bool rebooting = sg4::Actor::self()->get_restart_count() > 0;
+
+ XBT_INFO("Worker %s", rebooting ? "rebooting" : "booting");
+ if (not rebooting) // Starting for the first time
+ sg4::this_actor::on_exit(
+ [id](bool forcefully) { XBT_INFO("worker %d dying %s.", id, forcefully ? "forcefully" : "peacefully"); });
while (todo > 0) {
xbt_assert(sg4::Engine::get_clock() < cfg_deadline,
auto payload = mailbox->get_unique<double>(10);
xbt_assert(payload != nullptr, "mailbox->get() failed");
double comp_size = *payload;
- if (comp_size < 0) { /* - Exit when -1.0 is received */
- XBT_INFO("I'm done. See you!");
- break;
- }
- /* - Otherwise, process the task */
+
XBT_INFO("Start execution...");
sg4::this_actor::execute(comp_size);
XBT_INFO("Execution complete.");
{
sg4::Engine e(&argc, argv);
- XBT_INFO("host count: %d ", (int)cfg_host_count);
-
auto* rootzone = sg4::create_full_zone("root");
- sg4::Host* main; // First host created, where the master will stay
std::vector<sg4::Host*> worker_hosts;
xbt_assert(cfg_host_count > 2, "You need at least 2 workers (i.e., 3 hosts) or the master will be auto-killed when "
"the only worker gets killed.");
- for (int i = 0; i < cfg_host_count; i++) {
- auto hostname = std::string("lilibeth ") + std::to_string(i);
+ sg4::Host* master_host = rootzone->create_host("lilibeth 0", 1e9); // Host where the master will stay
+ for (int i = 1; i < cfg_host_count; i++) {
+ auto hostname = "lilibeth " + std::to_string(i);
auto* host = rootzone->create_host(hostname, 1e9);
- if (i == 0) {
- main = host;
- } else {
- sg4::LinkInRoute link(rootzone->create_link(hostname, "1MBps")->set_latency("24us")->seal());
- rootzone->add_route(main->get_netpoint(), host->get_netpoint(), nullptr, nullptr, {link}, true);
- worker_hosts.push_back(host);
- }
+ sg4::LinkInRoute link(rootzone->create_link(hostname, "1MBps")->set_latency("24us")->seal());
+ rootzone->add_route(master_host->get_netpoint(), host->get_netpoint(), nullptr, nullptr, {link}, true);
+ worker_hosts.push_back(host);
}
rootzone->seal();
- sg4::Engine::on_platform_created(); // FIXME this should not be necessary
- sg4::Actor::create("master", main, master)->set_auto_restart(true);
+ sg4::Actor::create("master", master_host, master)->daemonize()->set_auto_restart(true);
int id = 0;
for (auto* h : worker_hosts) {
sg4::Actor::create("worker", h, worker, id)->set_auto_restart(true);