simplify SMPI process creation a tiny bit

diff --git a/src/smpi/smpi_global.cpp b/src/smpi/smpi_global.cpp
index 0acc0d4..9ce3361 100644 (file)
--- a/src/smpi/smpi_global.cpp
+++ b/src/smpi/smpi_global.cpp
@@ -177,9 +177,7 @@ int smpi_enabled() {
 
 void smpi_global_init()
 {
-  int i;
   MPI_Group group;
-  int smpirun=0;
 
   if (!MC_is_active()) {
     global_timer = xbt_os_timer_new();
@@ -276,24 +274,26 @@ void smpi_global_init()
     }
   }
 #endif
+
+  int smpirun = 0;
   if (process_count == 0){
     process_count = SIMIX_process_count();
     smpirun=1;
   }
   smpi_universe_size = process_count;
   process_data       = new simgrid::smpi::Process*[process_count];
-  for (i = 0; i < process_count; i++) {
-    process_data[i]                       = new simgrid::smpi::Process(i);
+  for (int i = 0; i < process_count; i++) {
+    process_data[i] = new simgrid::smpi::Process(i);
   }
   //if the process was launched through smpirun script we generate a global mpi_comm_world
   //if not, we let MPI_COMM_NULL, and the comm world will be private to each mpi instance
-  if(smpirun){
+  if (smpirun) {
     group = new  simgrid::smpi::Group(process_count);
     MPI_COMM_WORLD = new  simgrid::smpi::Comm(group, nullptr);
     MPI_Attr_put(MPI_COMM_WORLD, MPI_UNIVERSE_SIZE, reinterpret_cast<void *>(process_count));
     msg_bar_t bar = MSG_barrier_init(process_count);
 
-    for (i = 0; i < process_count; i++) {
+    for (int i = 0; i < process_count; i++) {
       group->set_mapping(i, i);
       process_data[i]->set_finalization_barrier(bar);
     }

diff --git a/src/smpi/smpi_process.cpp b/src/smpi/smpi_process.cpp
index 142db9e..ec44789 100644 (file)
--- a/src/smpi/smpi_process.cpp
+++ b/src/smpi/smpi_process.cpp
@@ -40,6 +40,7 @@ Process::Process(int index)
   mailboxes_mutex_      = xbt_mutex_init();
   timer_                = xbt_os_timer_new();
   state_                = SMPI_UNINITIALIZED;
+  index_                = index;
   if (MC_is_active())
     MC_ignore_heap(timer_, xbt_os_timer_size());
 
@@ -61,7 +62,7 @@ Process::Process(int index)
 #endif
 }
 
-void Process::set_data(int index, int *argc, char ***argv)
+void Process::set_data(int* argc, char*** argv)
 {
 
     char* instance_id = (*argv)[1];
@@ -69,7 +70,6 @@ void Process::set_data(int index, int *argc, char ***argv)
     msg_bar_t bar = smpi_deployment_finalization_barrier(instance_id);
     if (bar!=nullptr) // don't overwrite the default one
       finalization_barrier_ = bar;
-    index_       = index;
     instance_id_ = instance_id;
 
     static_cast<simgrid::MsgActorExt*>(SIMIX_process_self()->data)->data = this;
@@ -85,7 +85,7 @@ void Process::set_data(int index, int *argc, char ***argv)
     // set the process attached to the mailbox
     mailbox_small_->setReceiver(simgrid::s4u::Actor::self());
     process_ = SIMIX_process_self();
-    XBT_DEBUG("<%d> New process in the game: %p", index, SIMIX_process_self());
+    XBT_DEBUG("<%d> New process in the game: %p", index_, SIMIX_process_self());
 }
 
 void Process::destroy()
@@ -297,7 +297,7 @@ void Process::init(int *argc, char ***argv){
     }
 
     Process* process = smpi_process_remote(index);
-    process->set_data(index, argc, argv);
+    process->set_data(argc, argv);
   }
   xbt_assert(smpi_process(),
       "smpi_process() returned nullptr. You probably gave a nullptr parameter to MPI_Init. "

diff --git a/src/smpi/smpi_process.hpp b/src/smpi/smpi_process.hpp
index bad4bb2..e87f741 100644 (file)
--- a/src/smpi/smpi_process.hpp
+++ b/src/smpi/smpi_process.hpp
@@ -46,7 +46,7 @@ class Process {
   public:
     explicit Process(int index);
     void destroy();
-    void set_data(int index, int *argc, char ***argv);
+    void set_data(int* argc, char*** argv);
     void finalize();
     int finalized();
     int initialized();