1 /* Copyright (c) 2006-2020. 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/Exception.hpp"
7 #include "simgrid/actor.h"
8 #include "simgrid/modelchecker.h"
9 #include "simgrid/s4u/Actor.hpp"
10 #include "simgrid/s4u/Exec.hpp"
11 #include "simgrid/s4u/Host.hpp"
12 #include "simgrid/s4u/VirtualMachine.hpp"
13 #include "src/include/mc/mc.h"
14 #include "src/kernel/EngineImpl.hpp"
15 #include "src/kernel/activity/ExecImpl.hpp"
16 #include "src/mc/mc_replay.hpp"
17 #include "src/surf/HostImpl.hpp"
22 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_actor, s4u, "S4U actors");
26 template class xbt::Extendable<s4u::Actor>;
30 xbt::signal<void(Actor&)> s4u::Actor::on_creation;
31 xbt::signal<void(Actor const&)> s4u::Actor::on_suspend;
32 xbt::signal<void(Actor const&)> s4u::Actor::on_resume;
33 xbt::signal<void(Actor const&)> s4u::Actor::on_sleep;
34 xbt::signal<void(Actor const&)> s4u::Actor::on_wake_up;
35 xbt::signal<void(Actor const&)> s4u::Actor::on_migration_start; // deprecated
36 xbt::signal<void(Actor const&)> s4u::Actor::on_migration_end; // deprecated
37 xbt::signal<void(Actor const&, Host const& previous_location)> s4u::Actor::on_host_change;
38 xbt::signal<void(Actor const&)> s4u::Actor::on_termination;
39 xbt::signal<void(Actor const&)> s4u::Actor::on_destruction;
41 // ***** Actor creation *****
44 const kernel::context::Context* self_context = kernel::context::Context::self();
45 if (self_context == nullptr)
48 return self_context->get_actor()->ciface();
51 ActorPtr Actor::init(const std::string& name, s4u::Host* host)
53 kernel::actor::ActorImpl* self = kernel::actor::ActorImpl::self();
54 kernel::actor::ActorImpl* actor =
55 kernel::actor::simcall([self, &name, host] { return self->init(name, host).get(); });
56 return actor->iface();
59 /** Set a non-default stack size for this context (in Kb)
61 * This must be done before starting the actor, and it won't work with the thread factory. */
62 ActorPtr Actor::set_stacksize(unsigned stacksize)
64 pimpl_->set_stacksize(stacksize * 1024);
68 ActorPtr Actor::start(const std::function<void()>& code)
70 simgrid::kernel::actor::simcall([this, &code] { pimpl_->start(code); });
74 ActorPtr Actor::create(const std::string& name, s4u::Host* host, const std::function<void()>& code)
76 kernel::actor::ActorImpl* self = kernel::actor::ActorImpl::self();
77 kernel::actor::ActorImpl* actor =
78 kernel::actor::simcall([self, &name, host, &code] { return self->init(name, host)->start(code); });
80 return actor->iface();
83 ActorPtr Actor::create(const std::string& name, s4u::Host* host, const std::string& function,
84 std::vector<std::string> args)
86 const simgrid::kernel::actor::ActorCodeFactory& factory =
87 simgrid::kernel::EngineImpl::get_instance()->get_function(function);
88 return create(name, host, factory(std::move(args)));
91 void intrusive_ptr_add_ref(const Actor* actor)
93 intrusive_ptr_add_ref(actor->pimpl_);
95 void intrusive_ptr_release(const Actor* actor)
97 intrusive_ptr_release(actor->pimpl_);
99 int Actor::get_refcount()
101 return pimpl_->get_refcount();
104 // ***** Actor methods *****
111 void Actor::join(double timeout)
113 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
114 kernel::actor::ActorImpl* target = pimpl_;
115 kernel::actor::simcall_blocking<void>([issuer, target, timeout] {
116 if (target->finished_) {
117 // The joined process is already finished, just wake up the issuer right away
118 issuer->simcall_answer();
120 kernel::activity::ActivityImplPtr sync = issuer->join(target, timeout);
121 sync->register_simcall(&issuer->simcall);
126 void Actor::set_auto_restart(bool autorestart)
128 kernel::actor::simcall([this, autorestart]() {
129 xbt_assert(autorestart && not pimpl_->has_to_auto_restart()); // FIXME: handle all cases
130 pimpl_->set_auto_restart(autorestart);
132 kernel::actor::ProcessArg* arg = new kernel::actor::ProcessArg(pimpl_->get_host(), pimpl_);
133 XBT_DEBUG("Adding %s to the actors_at_boot_ list of Host %s", arg->name.c_str(), arg->host->get_cname());
134 pimpl_->get_host()->pimpl_->add_actor_at_boot(arg);
138 void Actor::on_exit(const std::function<void(bool /*failed*/)>& fun) const
140 kernel::actor::simcall([this, &fun] { pimpl_->on_exit->emplace_back(fun); });
143 void Actor::set_host(Host* new_host)
145 if (s4u::Actor::on_migration_start.get_slot_count() > 0) { // XBT_ATTRIB_DEPRECATED_v329
146 static bool already_warned = false;
147 if (not already_warned) {
148 XBT_INFO("Please use s4u::Actor::on_host_change instead of s4u::Actor::on_migration_start. This will be removed "
150 already_warned = true;
152 s4u::Actor::on_migration_start(*this);
155 const s4u::Host* previous_location = get_host();
157 kernel::actor::simcall([this, new_host]() {
158 if (pimpl_->waiting_synchro != nullptr) {
159 // The actor is blocked on an activity. If it's an exec, migrate it too.
160 // FIXME: implement the migration of other kinds of activities
161 kernel::activity::ExecImplPtr exec =
162 boost::dynamic_pointer_cast<kernel::activity::ExecImpl>(pimpl_->waiting_synchro);
163 xbt_assert(exec.get() != nullptr, "We can only migrate blocked actors when they are blocked on executions.");
164 exec->migrate(new_host);
166 this->pimpl_->set_host(new_host);
169 if (s4u::Actor::on_migration_end.get_slot_count() > 0) { // XBT_ATTRIB_DEPRECATED_v329
170 static bool already_warned = false;
171 if (not already_warned) {
172 XBT_INFO("Please use s4u::Actor::on_host_change instead of s4u::Actor::on_migration_end. This will be removed in "
174 already_warned = true;
176 s4u::Actor::on_migration_end(*this);
179 s4u::Actor::on_host_change(*this, *previous_location);
182 s4u::Host* Actor::get_host() const
184 return this->pimpl_->get_host();
187 void Actor::daemonize()
189 kernel::actor::simcall([this]() { pimpl_->daemonize(); });
192 bool Actor::is_daemon() const
194 return this->pimpl_->is_daemon();
197 const simgrid::xbt::string& Actor::get_name() const
199 return this->pimpl_->get_name();
202 const char* Actor::get_cname() const
204 return this->pimpl_->get_cname();
207 aid_t Actor::get_pid() const
209 return this->pimpl_->get_pid();
212 aid_t Actor::get_ppid() const
214 return this->pimpl_->get_ppid();
217 void Actor::suspend()
219 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
220 kernel::actor::ActorImpl* target = pimpl_;
221 s4u::Actor::on_suspend(*this);
222 kernel::actor::simcall_blocking<void>([issuer, target]() {
224 if (target != issuer) {
225 /* If we are suspending ourselves, then just do not finish the simcall now */
226 issuer->simcall_answer();
233 kernel::actor::simcall([this] { pimpl_->resume(); });
234 s4u::Actor::on_resume(*this);
237 bool Actor::is_suspended()
239 return pimpl_->is_suspended();
242 void Actor::set_kill_time(double kill_time)
244 kernel::actor::simcall([this, kill_time] { pimpl_->set_kill_time(kill_time); });
247 /** @brief Get the kill time of an actor(or 0 if unset). */
248 double Actor::get_kill_time()
250 return pimpl_->get_kill_time();
255 kernel::actor::ActorImpl* self = kernel::actor::ActorImpl::self();
256 kernel::actor::simcall([this, self] { self->kill(pimpl_); });
259 // ***** Static functions *****
261 ActorPtr Actor::by_pid(aid_t pid)
263 kernel::actor::ActorImpl* actor = SIMIX_process_from_PID(pid);
264 if (actor != nullptr)
265 return actor->iface();
270 void Actor::kill_all()
272 kernel::actor::ActorImpl* self = kernel::actor::ActorImpl::self();
273 kernel::actor::simcall([self] { self->kill_all(); });
276 const std::unordered_map<std::string, std::string>* Actor::get_properties() const
278 return pimpl_->get_properties();
281 /** Retrieve the property value (or nullptr if not set) */
282 const char* Actor::get_property(const std::string& key) const
284 return pimpl_->get_property(key);
287 void Actor::set_property(const std::string& key, const std::string& value)
289 kernel::actor::simcall([this, &key, &value] { pimpl_->set_property(key, value); });
292 Actor* Actor::restart()
294 return kernel::actor::simcall([this]() { return pimpl_->restart(); });
297 // ***** this_actor *****
299 namespace this_actor {
301 /** Returns true if run from the kernel mode, and false if run from a real actor
303 * Everything that is run out of any actor (simulation setup before the engine is run,
304 * computing the model evolutions as a result to the actors' action, etc) is run in
305 * kernel mode, just as in any operating systems.
307 * In SimGrid, the actor in charge of doing the stuff in kernel mode is called Maestro,
308 * because it is the one scheduling when the others should move or wait.
312 return SIMIX_is_maestro();
315 void sleep_for(double duration)
317 xbt_assert(std::isfinite(duration), "duration is not finite!");
320 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
321 Actor::on_sleep(*issuer->ciface());
323 kernel::actor::simcall_blocking<void>([issuer, duration]() {
324 if (MC_is_active() || MC_record_replay_is_active()) {
325 MC_process_clock_add(issuer, duration);
326 issuer->simcall_answer();
329 kernel::activity::ActivityImplPtr sync = issuer->sleep(duration);
330 sync->register_simcall(&issuer->simcall);
333 Actor::on_wake_up(*issuer->ciface());
339 kernel::actor::simcall([] { /* do nothing*/ });
342 XBT_PUBLIC void sleep_until(double wakeup_time)
344 double now = SIMIX_get_clock();
345 if (wakeup_time > now)
346 sleep_for(wakeup_time - now);
349 void execute(double flops)
351 execute(flops, 1.0 /* priority */);
354 void execute(double flops, double priority)
356 exec_init(flops)->set_priority(priority)->start()->wait();
359 void parallel_execute(const std::vector<s4u::Host*>& hosts, const std::vector<double>& flops_amounts,
360 const std::vector<double>& bytes_amounts)
362 exec_init(hosts, flops_amounts, bytes_amounts)->wait();
365 void parallel_execute(const std::vector<s4u::Host*>& hosts, const std::vector<double>& flops_amounts,
366 const std::vector<double>& bytes_amounts, double timeout) // XBT_ATTRIB_DEPRECATED_v329
368 exec_init(hosts, flops_amounts, bytes_amounts)->wait_for(timeout);
371 ExecPtr exec_init(double flops_amount)
373 ExecPtr exec = ExecPtr(new Exec());
374 exec->set_flops_amount(flops_amount)->set_host(get_host());
378 ExecPtr exec_init(const std::vector<s4u::Host*>& hosts, const std::vector<double>& flops_amounts,
379 const std::vector<double>& bytes_amounts)
381 xbt_assert(hosts.size() > 0, "Your parallel executions must span over at least one host.");
382 xbt_assert(hosts.size() == flops_amounts.size() || flops_amounts.empty(),
383 "Host count (%zu) does not match flops_amount count (%zu).", hosts.size(), flops_amounts.size());
384 xbt_assert(hosts.size() * hosts.size() == bytes_amounts.size() || bytes_amounts.empty(),
385 "bytes_amounts must be a matrix of size host_count * host_count (%zu*%zu), but it's of size %zu.",
386 hosts.size(), hosts.size(), flops_amounts.size());
387 /* Check that we are not mixing VMs and PMs in the parallel task */
388 bool is_a_vm = (nullptr != dynamic_cast<VirtualMachine*>(hosts.front()));
389 xbt_assert(std::all_of(hosts.begin(), hosts.end(),
390 [is_a_vm](s4u::Host* elm) {
391 bool tmp_is_a_vm = (nullptr != dynamic_cast<VirtualMachine*>(elm));
392 return is_a_vm == tmp_is_a_vm;
394 "parallel_execute: mixing VMs and PMs is not supported (yet).");
395 /* checking for infinite values */
396 xbt_assert(std::all_of(flops_amounts.begin(), flops_amounts.end(), [](double elm) { return std::isfinite(elm); }),
397 "flops_amounts comprises infinite values!");
398 xbt_assert(std::all_of(bytes_amounts.begin(), bytes_amounts.end(), [](double elm) { return std::isfinite(elm); }),
399 "flops_amounts comprises infinite values!");
401 ExecPtr exec = ExecPtr(new Exec());
402 exec->set_flops_amounts(flops_amounts)->set_bytes_amounts(bytes_amounts)->set_hosts(hosts);
406 ExecPtr exec_async(double flops)
408 ExecPtr res = exec_init(flops);
415 return simgrid::kernel::actor::ActorImpl::self()->get_pid();
420 return simgrid::kernel::actor::ActorImpl::self()->get_ppid();
423 std::string get_name()
425 return simgrid::kernel::actor::ActorImpl::self()->get_name();
428 const char* get_cname()
430 return simgrid::kernel::actor::ActorImpl::self()->get_cname();
435 return simgrid::kernel::actor::ActorImpl::self()->get_host();
440 kernel::actor::ActorImpl* self = simgrid::kernel::actor::ActorImpl::self();
441 s4u::Actor::on_suspend(*self->ciface());
442 kernel::actor::simcall_blocking<void>([self] { self->suspend(); });
447 kernel::actor::ActorImpl* self = simgrid::kernel::actor::ActorImpl::self();
448 simgrid::kernel::actor::simcall([self] { self->exit(); });
451 void on_exit(const std::function<void(bool)>& fun)
453 simgrid::kernel::actor::ActorImpl::self()->iface()->on_exit(fun);
456 /** @brief Moves the current actor to another host
458 * @see simgrid::s4u::Actor::migrate() for more information
460 void set_host(Host* new_host)
462 simgrid::kernel::actor::ActorImpl::self()->iface()->set_host(new_host);
464 void migrate(Host* new_host) // deprecated
469 } // namespace this_actor
471 } // namespace simgrid
473 /* **************************** Public C interface *************************** */
475 sg_actor_t sg_actor_init(const char* name, sg_host_t host)
477 return simgrid::s4u::Actor::init(name, host).get();
480 void sg_actor_start(sg_actor_t actor, xbt_main_func_t code, int argc, const char* const* argv)
482 simgrid::kernel::actor::ActorCode function;
484 function = simgrid::xbt::wrap_main(code, argc, argv);
485 actor->start(std::move(function));
488 sg_actor_t sg_actor_create(const char* name, sg_host_t host, xbt_main_func_t code, int argc, const char* const* argv)
490 simgrid::kernel::actor::ActorCode function = simgrid::xbt::wrap_main(code, argc, argv);
491 return simgrid::s4u::Actor::init(name, host)->start(std::move(function)).get();
494 void sg_actor_set_stacksize(sg_actor_t actor, unsigned size)
496 actor->set_stacksize(size);
501 simgrid::s4u::this_actor::exit();
505 * @brief Returns the process ID of @a actor.
507 * This function checks whether @a actor is a valid pointer and return its PID (or 0 in case of problem).
510 aid_t sg_actor_get_PID(const_sg_actor_t actor)
512 /* Do not raise an exception here: this function is called by the logs
513 * and the exceptions, so it would be called back again and again */
514 if (actor == nullptr || actor->get_impl() == nullptr)
516 return actor->get_pid();
520 * @brief Returns the process ID of the parent of @a actor.
522 * This function checks whether @a actor is a valid pointer and return its parent's PID.
523 * Returns -1 if the actor has not been created by any other actor.
525 aid_t sg_actor_get_PPID(const_sg_actor_t actor)
527 return actor->get_ppid();
531 * @brief Return a #sg_actor_t given its PID.
533 * This function search in the list of all the created sg_actor_t for a sg_actor_t whose PID is equal to @a PID.
534 * If none is found, @c nullptr is returned.
535 Note that the PID are unique in the whole simulation, not only on a given host.
537 sg_actor_t sg_actor_by_PID(aid_t pid)
539 return simgrid::s4u::Actor::by_pid(pid).get();
542 /** @brief Return the name of an actor. */
543 const char* sg_actor_get_name(const_sg_actor_t actor)
545 return actor->get_cname();
548 sg_host_t sg_actor_get_host(const_sg_actor_t actor)
550 return actor->get_host();
554 * @brief Returns the value of a given actor property
556 * @param actor an actor
557 * @param name a property name
558 * @return value of a property (or nullptr if the property is not set)
560 const char* sg_actor_get_property_value(const_sg_actor_t actor, const char* name)
562 return actor->get_property(name);
566 * @brief Return the list of properties
568 * This function returns all the parameters associated with an actor
570 xbt_dict_t sg_actor_get_properties(const_sg_actor_t actor)
572 xbt_assert(actor != nullptr, "Invalid parameter: First argument must not be nullptr");
573 xbt_dict_t as_dict = xbt_dict_new_homogeneous(xbt_free_f);
574 const std::unordered_map<std::string, std::string>* props = actor->get_properties();
575 if (props == nullptr)
577 for (auto const& kv : *props) {
578 xbt_dict_set(as_dict, kv.first.c_str(), xbt_strdup(kv.second.c_str()));
584 * @brief Suspend the actor.
586 * This function suspends the actor by suspending the task on which it was waiting for the completion.
588 void sg_actor_suspend(sg_actor_t actor)
590 xbt_assert(actor != nullptr, "Invalid parameter: First argument must not be nullptr");
595 * @brief Resume a suspended actor.
597 * This function resumes a suspended actor by resuming the task on which it was waiting for the completion.
599 void sg_actor_resume(sg_actor_t actor)
601 xbt_assert(actor != nullptr, "Invalid parameter: First argument must not be nullptr");
606 * @brief Returns true if the actor is suspended .
608 * This checks whether an actor is suspended or not by inspecting the task on which it was waiting for the completion.
610 int sg_actor_is_suspended(sg_actor_t actor)
612 return actor->is_suspended();
615 /** @brief Restarts an actor from the beginning. */
616 sg_actor_t sg_actor_restart(sg_actor_t actor)
618 return actor->restart();
622 * @brief Sets the "auto-restart" flag of the actor.
623 * If the flag is set to 1, the actor will be automatically restarted when its host comes back up.
625 void sg_actor_set_auto_restart(sg_actor_t actor, int auto_restart)
627 actor->set_auto_restart(auto_restart);
630 /** @brief This actor will be terminated automatically when the last non-daemon actor finishes */
631 void sg_actor_daemonize(sg_actor_t actor)
636 /** Returns whether or not this actor has been daemonized or not */
637 int sg_actor_is_daemon(const_sg_actor_t actor)
639 return actor->is_daemon();
643 * @brief Migrates an actor to another location.
645 * This function changes the value of the #sg_host_t on which @a actor is running.
647 void sg_actor_set_host(sg_actor_t actor, sg_host_t host)
649 actor->set_host(host);
651 void sg_actor_migrate(sg_actor_t process, sg_host_t host) // deprecated
653 process->set_host(host);
657 * @brief Wait for the completion of a #sg_actor_t.
659 * @param actor the actor to wait for
660 * @param timeout wait until the actor is over, or the timeout expires
662 void sg_actor_join(sg_actor_t actor, double timeout)
664 actor->join(timeout);
667 void sg_actor_kill(sg_actor_t actor)
672 void sg_actor_kill_all()
674 simgrid::s4u::Actor::kill_all();
678 * @brief Set the kill time of an actor.
680 * @param actor an actor
681 * @param kill_time the time when the actor is killed.
683 void sg_actor_set_kill_time(sg_actor_t actor, double kill_time)
685 actor->set_kill_time(kill_time);
688 /** Yield the current actor; let the other actors execute first */
689 void sg_actor_yield()
691 simgrid::s4u::this_actor::yield();
694 void sg_actor_sleep_for(double duration)
696 simgrid::s4u::this_actor::sleep_for(duration);
699 void sg_actor_sleep_until(double wakeup_time)
701 simgrid::s4u::this_actor::sleep_until(wakeup_time);
704 sg_actor_t sg_actor_attach(const char* name, void* data, sg_host_t host, xbt_dict_t properties)
706 xbt_assert(host != nullptr, "Invalid parameters: host and code params must not be nullptr");
707 std::unordered_map<std::string, std::string> props;
708 xbt_dict_cursor_t cursor = nullptr;
711 xbt_dict_foreach (properties, cursor, key, value)
713 xbt_dict_free(&properties);
715 /* Let's create the process: SIMIX may decide to start it right now, even before returning the flow control to us */
716 smx_actor_t actor = nullptr;
718 actor = simgrid::kernel::actor::ActorImpl::attach(name, data, host, &props).get();
719 } catch (simgrid::HostFailureException const&) {
720 xbt_die("Could not attach");
723 simgrid::s4u::this_actor::yield();
724 return actor->ciface();
727 void sg_actor_detach()
729 simgrid::kernel::actor::ActorImpl::detach();
732 aid_t sg_actor_self_get_pid()
734 return simgrid::s4u::this_actor::get_pid();
737 aid_t sg_actor_self_get_ppid()
739 return simgrid::s4u::this_actor::get_ppid();
742 const char* sg_actor_self_get_name()
744 return simgrid::s4u::this_actor::get_cname();
747 void* sg_actor_self_data()
749 return simgrid::s4u::Actor::self()->get_data();
752 void sg_actor_self_data_set(void* userdata)
754 simgrid::s4u::Actor::self()->set_data(userdata);
757 sg_actor_t sg_actor_self()
759 return simgrid::s4u::Actor::self();
762 void sg_actor_self_execute(double flops) // XBT_DEPRECATED_v330
764 simgrid::s4u::this_actor::execute(flops);
767 void sg_actor_execute(double flops)
769 simgrid::s4u::this_actor::execute(flops);
771 void sg_actor_execute_with_priority(double flops, double priority)
773 simgrid::s4u::this_actor::exec_init(flops)->set_priority(priority)->wait();
776 void sg_actor_parallel_execute(int host_nb, sg_host_t* host_list, double* flops_amount, double* bytes_amount)
778 std::vector<simgrid::s4u::Host*> hosts(host_list, host_list + host_nb);
779 std::vector<double> flops;
780 std::vector<double> bytes;
781 if (flops_amount != nullptr)
782 flops = std::vector<double>(flops_amount, flops_amount + host_nb);
783 if (bytes_amount != nullptr)
784 bytes = std::vector<double>(bytes_amount, bytes_amount + host_nb * host_nb);
786 simgrid::s4u::this_actor::parallel_execute(hosts, flops, bytes);
789 /** @brief Take an extra reference on that actor to prevent it to be garbage-collected */
790 void sg_actor_ref(const_sg_actor_t actor)
792 intrusive_ptr_add_ref(actor);
794 /** @brief Release a reference on that actor so that it can get be garbage-collected */
795 void sg_actor_unref(const_sg_actor_t actor)
797 intrusive_ptr_release(actor);
800 /** @brief Return the user data of a #sg_actor_t */
801 void* sg_actor_data(const_sg_actor_t actor)
803 return actor->get_data();
805 /** @brief Set the user data of a #sg_actor_t */
806 void sg_actor_data_set(sg_actor_t actor, void* userdata)
808 actor->set_data(userdata);
810 /** @brief Add a function to the list of "on_exit" functions for the current process.
811 * The on_exit functions are the functions executed when your process is killed.
812 * You should use them to free the data used by your process.
814 void sg_actor_on_exit(int_f_int_pvoid_t fun, void* data)
816 simgrid::s4u::this_actor::on_exit([fun, data](bool failed) { fun(failed ? 1 /*FAILURE*/ : 0 /*SUCCESS*/, data); });
819 sg_exec_t sg_actor_exec_init(double computation_amount)
821 simgrid::s4u::ExecPtr exec = simgrid::s4u::this_actor::exec_init(computation_amount);
826 sg_exec_t sg_actor_parallel_exec_init(int host_nb, const sg_host_t* host_list, double* flops_amount,
827 double* bytes_amount)
829 std::vector<simgrid::s4u::Host*> hosts(host_list, host_list + host_nb);
830 std::vector<double> flops;
831 std::vector<double> bytes;
832 if (flops_amount != nullptr)
833 flops = std::vector<double>(flops_amount, flops_amount + host_nb);
834 if (bytes_amount != nullptr)
835 bytes = std::vector<double>(bytes_amount, bytes_amount + host_nb * host_nb);
837 simgrid::s4u::ExecPtr exec = simgrid::s4u::ExecPtr(new simgrid::s4u::Exec());
838 exec->set_flops_amounts(flops)->set_bytes_amounts(bytes)->set_hosts(hosts);
843 sg_exec_t sg_actor_exec_async(double computation_amount)
845 simgrid::s4u::ExecPtr exec = simgrid::s4u::this_actor::exec_async(computation_amount);