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/* Copyright (c) 2010-2025. 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"
XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example");
namespace sg4 = simgrid::s4u;
static void executor()
{
/* this_actor::execute() tells SimGrid to pause the calling actor
* until its host has computed the amount of flops passed as a parameter */
sg4::this_actor::execute(98095);
XBT_INFO("Done.");
/* This simple example does not do anything beyond that */
}
static void privileged()
{
/* This version of this_actor::execute() specifies that this execution gets a larger share of the resource.
*
* Since the priority is 2, it computes twice as fast as a regular one.
*
* So instead of a half/half sharing between the two executions, we get a 1/3 vs 2/3 sharing. */
sg4::this_actor::execute(98095, 2);
XBT_INFO("Done.");
/* Note that the timings printed when running this example are a bit misleading, because the uneven sharing only last
* until the privileged actor ends. After this point, the unprivileged one gets 100% of the CPU and finishes quite
* quickly. */
}
int main(int argc, char* argv[])
{
sg4::Engine e(&argc, argv);
xbt_assert(argc > 1, "Usage: %s platform_file\n\tExample: %s platform.xml\n", argv[0], argv[0]);
e.load_platform(argv[1]);
e.add_actor("executor", e.host_by_name("Tremblay"), executor);
e.add_actor("privileged", e.host_by_name("Tremblay"), privileged);
e.run();
return 0;
}
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