Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
Fix Host::execute to use *this as a host location, not the this_actor->get_host()
[simgrid.git] / examples / smpi / smpi_s4u_masterworker / masterworker_mailbox_smpi.cpp
index 43587a9c06c0374e0fd6051de8b8a44d55476d1a..d81d9fa2bdbeff4e93a5cbf0437dd279f783a671 100644 (file)
@@ -80,9 +80,9 @@ static void master_mpi(int argc, char* argv[])
   XBT_INFO("After finalize %d %d", rank, test[0]);
 }
 
-static void alltoall_mpi(int argc, char* argv[])
+static void alltoall_mpi()
 {
-  MPI_Init(&argc, &argv);
+  MPI_Init();
 
   int rank;
   int size;
@@ -114,9 +114,22 @@ int main(int argc, char* argv[])
   e.register_function("worker", worker);
   // launch two MPI applications as well, one using master_mpi function as main on 2 nodes
   SMPI_app_instance_register("master_mpi", master_mpi, 2);
-  // the second performing an alltoall on 4 nodes
-  SMPI_app_instance_register("alltoall_mpi", alltoall_mpi, 4);
   e.load_deployment(argv[2]);
+  // the second performing an alltoall on 4 nodes, started directly, not from the deployment file
+  SMPI_app_instance_start("alltoall_mpi", alltoall_mpi,
+                          {e.host_by_name_or_null("Ginette"), e.host_by_name_or_null("Bourassa"),
+                           e.host_by_name_or_null("Jupiter"), e.host_by_name_or_null("Fafard")});
+
+  // Start a third MPI application, from a S4U actor after a delay of 10 sec
+  simgrid::s4u::Actor::create("launcher", e.host_by_name_or_null("Ginette"), [&e]() {
+    simgrid::s4u::this_actor::sleep_for(10);
+    XBT_INFO("Start another alltoall_mpi instance");
+    SMPI_app_instance_start("alltoall_mpi", alltoall_mpi,
+                            {e.host_by_name_or_null("Ginette"), e.host_by_name_or_null("Bourassa"),
+                             e.host_by_name_or_null("Jupiter"), e.host_by_name_or_null("Fafard")});
+    SMPI_app_instance_join("alltoall_mpi");
+    XBT_INFO("This other alltoall_mpi instance terminated.");
+  });
 
   e.run();