1 /* Copyright (c) 2017-2018. 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/plugins/energy.h"
8 #include <simgrid/s4u.hpp>
12 /* Parameters of the random generation of the flow size */
13 static const unsigned long int min_size = 1e6;
14 static const unsigned long int max_size = 1e9;
16 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_app_energyconsumption, "Messages specific for this s4u example");
18 static void sender(std::vector<std::string> args)
20 xbt_assert(args.size() == 2, "The master function expects 2 arguments.");
21 int flow_amount = std::stoi(args.at(0));
22 double comm_size = std::stod(args.at(1));
23 XBT_INFO("Send %.0f bytes, in %d flows", comm_size, flow_amount);
25 simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName(std::string("message"));
27 /* Sleep a while before starting the example */
28 simgrid::s4u::this_actor::sleep_for(10);
31 if (flow_amount == 1) {
32 /* - Send the task to the @ref worker */
33 char* payload = bprintf("%f", comm_size);
34 mailbox->put(payload, comm_size);
36 // Start all comms in parallel, and wait for all completions in one shot
37 std::vector<simgrid::s4u::CommPtr> comms;
38 for (int i = 0; i < flow_amount; i++)
39 comms.push_back(mailbox->put_async(bprintf("%d", i), comm_size));
40 simgrid::s4u::Comm::wait_all(&comms);
42 XBT_INFO("sender done.");
45 static void receiver(std::vector<std::string> args)
47 int flow_amount = std::stoi(args.at(0));
49 XBT_INFO("Receiving %d flows ...", flow_amount);
51 simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName(std::string("message"));
53 if (flow_amount == 1) {
54 void* res = mailbox->get();
57 void* data[flow_amount];
59 // Start all comms in parallel, and wait for their completion in one shot
60 std::vector<simgrid::s4u::CommPtr> comms;
61 for (int i = 0; i < flow_amount; i++)
62 comms.push_back(mailbox->get_async(&data[i]));
64 simgrid::s4u::Comm::wait_all(&comms);
65 for (int i = 0; i < flow_amount; i++)
68 XBT_INFO("receiver done.");
71 int main(int argc, char* argv[])
74 simgrid::s4u::Engine e(&argc, argv);
76 XBT_INFO("Activating the SimGrid link energy plugin");
77 sg_link_energy_plugin_init();
79 xbt_assert(argc > 1, "\nUsage: %s platform_file [flowCount [datasize]]\n"
80 "\tExample: %s s4uplatform.xml \n",
82 e.load_platform(argv[1]);
84 /* prepare to launch the actors */
85 std::vector<std::string> argSender;
86 std::vector<std::string> argReceiver;
88 argSender.push_back(argv[2]); // Take the amount of flows from the command line
89 argReceiver.push_back(argv[2]);
91 argSender.push_back("1"); // Default value
92 argReceiver.push_back("1");
95 if (strcmp(argv[3], "random") == 0) { // We're asked to get a random size
96 /* Initialize the random number generator */
97 std::random_device rd;
98 std::default_random_engine generator(rd());
100 /* Distribution on which to apply the generator */
101 std::uniform_int_distribution<unsigned long int> distribution(min_size, max_size);
103 char* size = bprintf("%lu", distribution(generator));
104 argSender.push_back(std::string(size));
106 } else { // Not "random" ? Then it should be the size to use
107 argSender.push_back(argv[3]); // Take the datasize from the command line
109 } else { // No parameter at all? Then use the default value
110 argSender.push_back("25000");
112 simgrid::s4u::Actor::create("sender", simgrid::s4u::Host::by_name("MyHost1"), sender, argSender);
113 simgrid::s4u::Actor::create("receiver", simgrid::s4u::Host::by_name("MyHost2"), receiver, argReceiver);
115 /* And now, launch the simulation */