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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. */
import org.simgrid.s4u.*;
class runner extends Actor {
public void run() throws HostFailureException
{
Host host1 = get_engine().host_by_name("MyHost1");
Host host2 = get_engine().host_by_name("MyHost2");
Host[] hosts = new Host[] {host1, host2};
double old_energy_host1 = host1.get_consumed_energy();
double old_energy_host2 = host2.get_consumed_energy();
Engine.info("[%s] Energetic profile: %s", host1.get_name(), host1.get_property("wattage_per_state"));
Engine.info("[%s] Initial peak speed=%.0E flop/s; Total energy dissipated =%.0E J", host1.get_name(),
host1.get_speed(), old_energy_host1);
Engine.info("[%s] Energetic profile: %s", host2.get_name(), host2.get_property("wattage_per_state"));
Engine.info("[%s] Initial peak speed=%.0E flop/s; Total energy dissipated =%.0E J", host2.get_name(),
host2.get_speed(), old_energy_host2);
double start = Engine.get_clock();
Engine.info("Sleep for 10 seconds");
sleep_for(10);
double new_energy_host1 = host1.get_consumed_energy();
double new_energy_host2 = host2.get_consumed_energy();
Engine.info("Done sleeping (duration: %.2f s).\n"
+ "[%s] Current peak speed=%.0E flop/s; "
+ "Energy dissipated during this step=%.2f J; Total energy dissipated=%.0f J\n"
+ "[%s] Current peak speed=%.0E flop/s; "
+ "Energy dissipated during this step=%.2f J; Total energy dissipated=%.0f J\n",
Engine.get_clock() - start, host1.get_name(), host1.get_speed(), (new_energy_host1 - old_energy_host1),
host1.get_consumed_energy(), host2.get_name(), host2.get_speed(), (new_energy_host2 - old_energy_host2),
host2.get_consumed_energy());
old_energy_host1 = new_energy_host1;
old_energy_host2 = new_energy_host2;
// ========= Execute something =========
start = Engine.get_clock();
double flopAmount = 1E9;
double[] cpu_amounts = new double[] {flopAmount, flopAmount};
double[] com_amounts = new double[] {0, 0, 0, 0};
Engine.info("Run a task of %.0E flops on two hosts", flopAmount);
parallel_execute(hosts, cpu_amounts, com_amounts);
new_energy_host1 = host1.get_consumed_energy();
new_energy_host2 = host2.get_consumed_energy();
Engine.info("Task done (duration: %.2f s).\n"
+ "[%s] Current peak speed=%.0E flop/s; "
+ "Energy dissipated during this step=%.2f J; Total energy dissipated=%.0f J\n"
+ "[%s] Current peak speed=%.0E flop/s; "
+ "Energy dissipated during this step=%.2f J; Total energy dissipated=%.0f J\n",
Engine.get_clock() - start, host1.get_name(), host1.get_speed(), (new_energy_host1 - old_energy_host1),
host1.get_consumed_energy(), host2.get_name(), host2.get_speed(), (new_energy_host2 - old_energy_host2),
host2.get_consumed_energy());
old_energy_host1 = new_energy_host1;
old_energy_host2 = new_energy_host2;
// ========= Change power peak =========
int pstate = 2;
host1.set_pstate(pstate);
host2.set_pstate(pstate);
Engine.info("========= Requesting pstate %d for both hosts (speed should be of %.0E flop/s and is of %.0E flop/s)",
pstate, host1.get_pstate_speed(pstate), host1.get_speed());
// ========= Run another ptask =========
start = Engine.get_clock();
double[] cpu_amounts2 = new double[] {flopAmount, flopAmount};
double[] com_amounts2 = new double[] {0, 0, 0, 0};
Engine.info("Run a task of %.0E flops on %s and %.0E flops on %s.", flopAmount, host1.get_name(), flopAmount,
host2.get_name());
parallel_execute(hosts, cpu_amounts2, com_amounts2);
new_energy_host1 = host1.get_consumed_energy();
new_energy_host2 = host2.get_consumed_energy();
Engine.info("Task done (duration: %.2f s).\n"
+ "[%s] Current peak speed=%.0E flop/s; "
+ "Energy dissipated during this step=%.2f J; Total energy dissipated=%.0f J\n"
+ "[%s] Current peak speed=%.0E flop/s; "
+ "Energy dissipated during this step=%.2f J; Total energy dissipated=%.0f J\n",
Engine.get_clock() - start, host1.get_name(), host1.get_speed(), (new_energy_host1 - old_energy_host1),
host1.get_consumed_energy(), host2.get_name(), host2.get_speed(), (new_energy_host2 - old_energy_host2),
host2.get_consumed_energy());
old_energy_host1 = new_energy_host1;
old_energy_host2 = new_energy_host2;
// ========= A new ptask with computation and communication =========
start = Engine.get_clock();
double comAmount = 1E7;
double[] cpu_amounts3 = new double[] {flopAmount, flopAmount};
double[] com_amounts3 = new double[] {0, comAmount, comAmount, 0};
Engine.info("Run a task with computation and communication on two hosts.");
parallel_execute(hosts, cpu_amounts3, com_amounts3);
new_energy_host1 = host1.get_consumed_energy();
new_energy_host2 = host2.get_consumed_energy();
Engine.info("Task done (duration: %.2f s).\n"
+ "[%s] Current peak speed=%.0E flop/s; "
+ "Energy dissipated during this step=%.2f J; Total energy dissipated=%.0f J\n"
+ "[%s] Current peak speed=%.0E flop/s; "
+ "Energy dissipated during this step=%.2f J; Total energy dissipated=%.0f J\n",
Engine.get_clock() - start, host1.get_name(), host1.get_speed(), (new_energy_host1 - old_energy_host1),
host1.get_consumed_energy(), host2.get_name(), host2.get_speed(), (new_energy_host2 - old_energy_host2),
host2.get_consumed_energy());
old_energy_host1 = new_energy_host1;
old_energy_host2 = new_energy_host2;
// ========= A new ptask with communication only =========
start = Engine.get_clock();
double[] cpu_amounts4 = new double[] {0, 0};
double[] com_amounts4 = new double[] {0, comAmount, comAmount, 0};
Engine.info("Run a task with only communication on two hosts.");
parallel_execute(hosts, cpu_amounts4, com_amounts4);
new_energy_host1 = host1.get_consumed_energy();
new_energy_host2 = host2.get_consumed_energy();
Engine.info("Task done (duration: %.2f s).\n"
+ "[%s] Current peak speed=%.0E flop/s; "
+ "Energy dissipated during this step=%.2f J; Total energy dissipated=%.0f J\n"
+ "[%s] Current peak speed=%.0E flop/s; "
+ "Energy dissipated during this step=%.2f J; Total energy dissipated=%.0f J\n",
Engine.get_clock() - start, host1.get_name(), host1.get_speed(), (new_energy_host1 - old_energy_host1),
host1.get_consumed_energy(), host2.get_name(), host2.get_speed(), (new_energy_host2 - old_energy_host2),
host2.get_consumed_energy());
old_energy_host1 = new_energy_host1;
old_energy_host2 = new_energy_host2;
// ========= A new ptask with computation and a timeout =========
start = Engine.get_clock();
Engine.info("Run a task with computation on two hosts and a timeout of 20s.");
try {
double[] cpu_amounts5 = new double[] {flopAmount, flopAmount};
double[] com_amounts5 = new double[] {0, 0, 0, 0};
exec_init(hosts, cpu_amounts5, com_amounts5).await_for(20);
} catch (TimeoutException ex) {
Engine.info("Finished WITH timeout");
}
new_energy_host1 = host1.get_consumed_energy();
new_energy_host2 = host2.get_consumed_energy();
Engine.info("Task ended (duration: %.2f s).\n"
+ "[%s] Current peak speed=%.0E flop/s; "
+ "Energy dissipated during this step=%.2f J; Total energy dissipated=%.0f J\n"
+ "[%s] Current peak speed=%.0E flop/s; "
+ "Energy dissipated during this step=%.2f J; Total energy dissipated=%.0f J\n",
Engine.get_clock() - start, host1.get_name(), host1.get_speed(), (new_energy_host1 - old_energy_host1),
host1.get_consumed_energy(), host2.get_name(), host2.get_speed(), (new_energy_host2 - old_energy_host2),
host2.get_consumed_energy());
Engine.info("Now is time to quit!");
}
}
public class energy_exec_ptask {
public static void main(String[] args)
{
Engine e = new Engine(args);
e.plugin_host_energy_init();
Engine.set_config("host/model:ptask_L07");
if (args.length < 1)
Engine.die("Usage: java -cp energy_exec_ptask.jar energy_exec_ptask platform_file\n"
+ "\tExample: java -cp energy_exec_ptask.jar energy_exec_ptask ../platforms/energy_platform.xml");
e.load_platform(args[0]);
e.host_by_name("MyHost1").add_actor("energy_ptask_test", new runner());
e.run();
Engine.info("End of simulation.");
// The following call is useless in your code, but our continuous integration uses it to track memleaks
e.force_garbage_collection();
}
}
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