static double sg_host_get_available_at(const simgrid::s4u::Host* host)
{
- return static_cast<HostAttribute*>(host->get_data())->available_at;
+ return host->get_data<HostAttribute>()->available_at;
}
-static void sg_host_set_available_at(simgrid::s4u::Host* host, double time)
+static void sg_host_set_available_at(const simgrid::s4u::Host* host, double time)
{
- auto* attr = static_cast<HostAttribute*>(host->get_data());
- attr->available_at = time;
+ host->get_data<HostAttribute>()->available_at = time;
}
static simgrid::s4u::Exec* sg_host_get_last_scheduled_task(const simgrid::s4u::Host* host)
{
- return static_cast<HostAttribute*>(host->get_data())->last_scheduled_task;
+ return host->get_data<HostAttribute>()->last_scheduled_task;
}
-static void sg_host_set_last_scheduled_task(simgrid::s4u::Host* host, simgrid::s4u::ExecPtr task)
+static void sg_host_set_last_scheduled_task(const simgrid::s4u::Host* host, simgrid::s4u::ExecPtr task)
{
- auto* attr = static_cast<HostAttribute*>(host->get_data());
- attr->last_scheduled_task = task.get();
+ host->get_data<HostAttribute>()->last_scheduled_task = task.get();
}
static bool dependency_exists(const simgrid::s4u::Exec* src, simgrid::s4u::Exec* dst)
}
// We use the user data field to store the finish time of the predecessor of the comm, i.e., its potential start
// time
- data_available = *(static_cast<double*>(comm->get_data())) + redist_time;
+ data_available = *comm->get_data<double>() + redist_time;
}
const auto* exec = dynamic_cast<simgrid::s4u::Exec*>(parent.get());
return best_host;
}
-int main(int argc, char** argv)
+static void schedule_on(simgrid::s4u::ExecPtr exec, simgrid::s4u::Host* host)
{
- double min_finish_time = -1.0;
- simgrid::s4u::Exec* selected_task = nullptr;
- simgrid::s4u::Host* selected_host = nullptr;
+ exec->set_host(host);
+ // we can also set the destination of all the input comms of this exec
+ for (const auto& pred : exec->get_dependencies()) {
+ auto* comm = dynamic_cast<simgrid::s4u::Comm*>(pred.get());
+ if (comm != nullptr) {
+ comm->set_destination(host);
+ delete comm->get_data<double>();
+ }
+ }
+ // we can also set the source of all the output comms of this exec
+ for (const auto& succ : exec->get_successors()) {
+ auto* comm = dynamic_cast<simgrid::s4u::Comm*>(succ.get());
+ if (comm != nullptr)
+ comm->set_source(host);
+ }
+}
+int main(int argc, char** argv)
+{
simgrid::s4u::Engine e(&argc, argv);
std::set<simgrid::s4u::Activity*> vetoed;
e.track_vetoed_activities(&vetoed);
- simgrid::s4u::Activity::on_completion_cb([](simgrid::s4u::Activity& activity) {
+ simgrid::s4u::Activity::on_completion_cb([](simgrid::s4u::Activity const& activity) {
// when an Exec completes, we need to set the potential start time of all its ouput comms
- const auto* exec = dynamic_cast<simgrid::s4u::Exec*>(&activity);
+ const auto* exec = dynamic_cast<simgrid::s4u::Exec const*>(&activity);
if (exec == nullptr) // Only Execs are concerned here
return;
for (const auto& succ : exec->get_successors()) {
hosts[i]->set_data(&host_attributes[i]);
/* load the DAX file */
- std::vector<simgrid::s4u::ActivityPtr> dax = simgrid::s4u::create_DAG_from_DAX(argv[2]);
+ auto dax = simgrid::s4u::create_DAG_from_DAX(argv[2]);
/* Schedule the root first */
auto* root = static_cast<simgrid::s4u::Exec*>(dax.front().get());
auto host = get_best_host(root);
- root->set_host(host);
- // we can also set the source of all the output comms of the root node
- for (const auto& succ : root->get_successors()) {
- auto* comm = dynamic_cast<simgrid::s4u::Comm*>(succ.get());
- if (comm != nullptr)
- comm->set_source(host);
- }
+ schedule_on(root, host);
e.run();
vetoed.clear();
if (ready_tasks.empty()) {
- ready_tasks.clear();
/* there is no ready task, let advance the simulation */
e.run();
continue;
* get the host that minimizes the completion time.
* select the task that has the minimum completion time on its best host.
*/
+ double min_finish_time = -1.0;
+ simgrid::s4u::Exec* selected_task = nullptr;
+ simgrid::s4u::Host* selected_host = nullptr;
+
for (auto task : ready_tasks) {
XBT_DEBUG("%s is ready", task->get_cname());
host = get_best_host(task);
}
XBT_INFO("Schedule %s on %s", selected_task->get_cname(), selected_host->get_cname());
- selected_task->set_host(selected_host);
- // we can also set the destination of all the input comms of the selected task
- for (const auto& pred : selected_task->get_dependencies()) {
- auto* comm = dynamic_cast<simgrid::s4u::Comm*>(pred.get());
- if (comm != nullptr) {
- comm->set_destination(selected_host);
- delete static_cast<double*>(comm->get_data());
- }
- }
- // we can also set the source of all the output comms of the selected task
- for (const auto& succ : selected_task->get_successors()) {
- auto* comm = dynamic_cast<simgrid::s4u::Comm*>(succ.get());
- if (comm != nullptr)
- comm->set_source(selected_host);
- }
+ schedule_on(selected_task, selected_host);
/*
* tasks can be executed concurrently when they can by default.
sg_host_set_available_at(selected_host, min_finish_time);
ready_tasks.clear();
- /* reset the min_finish_time for the next set of ready tasks */
- min_finish_time = -1.;
e.run();
}
XBT_INFO("Simulation Time: %f", simgrid_get_clock());
- for (auto h : hosts) {
- h->set_data(nullptr);
- }
-
return 0;
}