-/* Copyright (c) 2010-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2010-2019. 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. */
+/* ************************************************************************* */
+/* Take this tutorial online: https://simgrid.frama.io/simgrid/tuto_s4u.html */
+/* ************************************************************************* */
+
#include <simgrid/s4u.hpp>
XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_app_masterworker, "Messages specific for this s4u example");
long tasks_count = 0;
double compute_cost = 0;
double communicate_cost = 0;
- long workers_count = 0;
- simgrid::s4u::MailboxPtr mailbox = nullptr;
+ std::vector<simgrid::s4u::MailboxPtr> workers;
public:
explicit Master(std::vector<std::string> args)
{
- xbt_assert(args.size() == 5, "The master actor expects 4 arguments from the XML deployment file");
+ xbt_assert(args.size() > 4, "The master function expects 3 arguments plus the workers' names");
- workers_count = std::stol(args[1]);
- tasks_count = std::stol(args[2]);
- compute_cost = std::stod(args[3]);
- communicate_cost = std::stod(args[4]);
+ tasks_count = std::stol(args[1]);
+ compute_cost = std::stod(args[2]);
+ communicate_cost = std::stod(args[3]);
+ for (unsigned int i = 4; i < args.size(); i++)
+ workers.push_back(simgrid::s4u::Mailbox::by_name(args[i]));
- XBT_INFO("Got %ld workers and %ld tasks to process", workers_count, tasks_count);
+ XBT_INFO("Got %zu workers and %ld tasks to process", workers.size(), tasks_count);
}
void operator()()
{
for (int i = 0; i < tasks_count; i++) { /* For each task to be executed: */
/* - Select a worker in a round-robin way */
- mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(i % workers_count));
+ simgrid::s4u::MailboxPtr mailbox = workers[i % workers.size()];
/* - Send the computation amount to the worker */
if (tasks_count < 10000 || (tasks_count < 100000 && i % 10000 == 0) || i % 100000 == 0)
}
XBT_INFO("All tasks have been dispatched. Request all workers to stop.");
- for (int i = 0; i < workers_count; i++) {
+ for (unsigned int i = 0; i < workers.size(); i++) {
/* The workers stop when receiving a negative compute_cost */
- mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(i));
+ simgrid::s4u::MailboxPtr mailbox = workers[i % workers.size()];
mailbox->put(new double(-1.0), 0);
}
}
};
class Worker {
- long id = -1;
simgrid::s4u::MailboxPtr mailbox = nullptr;
public:
explicit Worker(std::vector<std::string> args)
{
- xbt_assert(args.size() == 2, "The worker expects a single argument from the XML deployment file: "
- "its worker ID (its numerical rank)");
- id = std::stol(args[1]);
- mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(id));
+ xbt_assert(args.size() == 1, "The worker expects to not get any argument");
+
+ mailbox = simgrid::s4u::Mailbox::by_name(simgrid::s4u::this_actor::get_host()->get_name());
}
void operator()()