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/* Copyright (c) 2007-2025. 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. */
#include <simgrid/s4u.hpp>
namespace sg4 = simgrid::s4u;
XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_comm_dependent, "Messages specific for this s4u example");
static void sender(sg4::Mailbox* mailbox)
{
auto* computation_amount = new double(sg4::this_actor::get_host()->get_speed());
sg4::ExecPtr exec = sg4::this_actor::exec_init(2 * (*computation_amount));
sg4::CommPtr comm = mailbox->put_init(computation_amount, 7e6);
exec->set_name("exec on sender")->add_successor(comm)->start();
comm->set_name("comm to receiver")->start();
exec->wait();
comm->wait();
}
static void receiver(sg4::Mailbox* mailbox)
{
double* received = nullptr;
double computation_amount = sg4::this_actor::get_host()->get_speed();
sg4::ExecPtr exec = sg4::this_actor::exec_init(2 * computation_amount);
sg4::CommPtr comm = mailbox->get_init()->set_dst_data((void**)&received, sizeof(double));
comm->set_name("comm from sender")->add_successor(exec)->start();
exec->set_name("exec on receiver")->start();
comm->wait();
exec->wait();
XBT_INFO("Received: %.0f flops were computed on sender", *received);
delete received;
}
int main(int argc, char* argv[])
{
sg4::Engine e(&argc, argv);
e.load_platform(argv[1]);
sg4::Mailbox* mbox = e.mailbox_by_name_or_create("Mailbox");
e.host_by_name("Tremblay")->add_actor("sender", sender, mbox);
e.host_by_name("Jupiter")->add_actor("receiver", receiver, mbox);
e.run();
XBT_INFO("Simulation time: %.3f", e.get_clock());
return 0;
}
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