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# Copyright (c) 2018-2025. 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 sys
from simgrid import Actor, Engine, Host, this_actor
def executor():
# execute() tells SimGrid to pause the calling actor until
# its host has computed the amount of flops passed as a parameter
this_actor.execute(98095)
this_actor.info("Done.")
# This simple example does not do anything beyond that
def privileged():
# You can also specify the priority of your execution as follows.
# An execution of priority 2 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.
this_actor.execute(98095, priority=2)
this_actor.info("Done.")
# Note that the timings printed when executing 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.
if __name__ == '__main__':
e = Engine(sys.argv)
e.load_platform(sys.argv[1])
e.add_actor("executor", Host.by_name("Tremblay"), executor)
e.add_actor("privileged", Host.by_name("Tremblay"), privileged)
e.run()
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