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[simgrid.git] / src / smpi / smpi_global.c
index 12da83c..03d06e1 100644 (file)
@@ -28,6 +28,7 @@ typedef struct s_smpi_process_data {
   smx_rdv_t mailbox_small;
   xbt_os_timer_t timer;
   MPI_Comm comm_self;
+  MPI_Comm comm_intra;
   MPI_Comm* comm_world;
   void *data;                   /* user data */
   int index;
@@ -77,7 +78,7 @@ void smpi_process_init(int *argc, char ***argv)
     proc->context->cleanup_func=SIMIX_process_cleanup;
     char* instance_id = (*argv)[1];
     int rank = atoi((*argv)[2]);
-    index =  SIMIX_process_get_PID(proc) -1;
+    index = smpi_process_index_of_smx_process(proc);
 
     if(!index_to_process_data){
         index_to_process_data=(int*)xbt_malloc(SIMIX_process_count()*sizeof(int));
@@ -94,8 +95,7 @@ void smpi_process_init(int *argc, char ***argv)
     simcall_process_set_data(proc, data);
     if (*argc > 3) {
       free((*argv)[1]);
-      free((*argv)[2]);
-      memmove(&(*argv)[1], &(*argv)[3], sizeof(char *) * (*argc - 3));
+      memmove(&(*argv)[0], &(*argv)[2], sizeof(char *) * (*argc - 2));
       (*argv)[(*argc) - 1] = NULL;
       (*argv)[(*argc) - 2] = NULL;
     }
@@ -104,10 +104,11 @@ void smpi_process_init(int *argc, char ***argv)
     data->argv = argv;
     // set the process attached to the mailbox
     simcall_rdv_set_receiver(data->mailbox_small, proc);
+
     XBT_DEBUG("<%d> New process in the game: %p", index, proc);
 
     if(smpi_privatize_global_variables){
-      switch_data_segment(index);
+      smpi_switch_data_segment(index);
     }
 
   }
@@ -119,7 +120,7 @@ void smpi_process_destroy(void)
 {
   int index = smpi_process_index();
   if(smpi_privatize_global_variables){
-    switch_data_segment(index);
+    smpi_switch_data_segment(index);
   }
   process_data[index_to_process_data[index]]->state = SMPI_FINALIZED;
   XBT_DEBUG("<%d> Process left the game", index);
@@ -130,10 +131,14 @@ void smpi_process_destroy(void)
  */
 void smpi_process_finalize(void)
 {
+    // This leads to an explosion of the search graph
+    // which cannot be reduced:
+    if(MC_is_active())
+      return;
+
     int index = smpi_process_index();
     // wait for all pending asynchronous comms to finish
     xbt_barrier_wait(process_data[index_to_process_data[index]]->finalization_barrier);
-
 }
 
 /**
@@ -164,7 +169,7 @@ int smpi_process_initialized(void)
 void smpi_process_mark_as_initialized(void)
 {
   int index = smpi_process_index();
-  if ((index != MPI_UNDEFINED) && (!process_data[index_to_process_data[index]]->state != SMPI_FINALIZED))
+  if ((index != MPI_UNDEFINED) && (process_data[index_to_process_data[index]]->state != SMPI_FINALIZED))
     process_data[index_to_process_data[index]]->state = SMPI_INITIALIZED;
 }
 
@@ -277,6 +282,18 @@ MPI_Comm smpi_process_comm_self(void)
   return data->comm_self;
 }
 
+MPI_Comm smpi_process_get_comm_intra(void)
+{
+  smpi_process_data_t data = smpi_process_data();
+  return data->comm_intra;
+}
+
+void smpi_process_set_comm_intra(MPI_Comm comm)
+{
+  smpi_process_data_t data = smpi_process_data();
+  data->comm_intra = comm;
+}
+
 void smpi_process_set_sampling(int s)
 {
   smpi_process_data_t data = smpi_process_data();
@@ -289,9 +306,10 @@ int smpi_process_get_sampling(void)
   return data->sampling;
 }
 
+
 void print_request(const char *message, MPI_Request request)
 {
-  XBT_DEBUG
+  XBT_VERB
       ("%s  request %p  [buf = %p, size = %zu, src = %d, dst = %d, tag = %d, flags = %x]",
        message, request, request->buf, request->size, request->src,
        request->dst, request->tag, request->flags);
@@ -309,7 +327,7 @@ void smpi_comm_copy_buffer_callback(smx_action_t comm,
       && ((char*)buff < start_data_exe + size_data_exe )
     ){
        XBT_DEBUG("Privatization : We are copying from a zone inside global memory... Saving data to temp buffer !");
-       switch_data_segment(((smpi_process_data_t)SIMIX_process_get_data(comm->comm.src_proc))->index);
+       smpi_switch_data_segment(((smpi_process_data_t)SIMIX_process_get_data(comm->comm.src_proc))->index);
        tmpbuff = (void*)xbt_malloc(buff_size);
        memcpy(tmpbuff, buff, buff_size);
   }
@@ -320,7 +338,7 @@ void smpi_comm_copy_buffer_callback(smx_action_t comm,
       && ((char*)comm->comm.dst_buff < start_data_exe + size_data_exe )
     ){
        XBT_DEBUG("Privatization : We are copying to a zone inside global memory - Switch data segment");
-       switch_data_segment(((smpi_process_data_t)SIMIX_process_get_data(comm->comm.dst_proc))->index);
+       smpi_switch_data_segment(((smpi_process_data_t)SIMIX_process_get_data(comm->comm.dst_proc))->index);
   }
 
 
@@ -350,7 +368,7 @@ static void smpi_check_options(){
      XBT_INFO("You did not set the power of the host running the simulation.  "
               "The timings will certainly not be accurate.  "
               "Use the option \"--cfg=smpi/running_power:<flops>\" to set its value."
-              "Check http://simgrid.org/simgrid/latest/doc/options.html#options_smpi_bench for more information. ");
+              "Check http://simgrid.org/simgrid/latest/doc/options.html#options_smpi_bench for more information.");
    }
 }
 
@@ -383,6 +401,7 @@ void smpi_global_init(void)
     if (MC_is_active())
       MC_ignore_heap(process_data[i]->timer, xbt_os_timer_size());
     process_data[i]->comm_self = MPI_COMM_NULL;
+    process_data[i]->comm_intra = MPI_COMM_NULL;
     process_data[i]->comm_world = NULL;
     process_data[i]->state = SMPI_UNINITIALIZED;
     process_data[i]->sampling = 0;
@@ -424,6 +443,10 @@ void smpi_global_destroy(void)
       smpi_group_unuse(smpi_comm_group(process_data[i]->comm_self));
       smpi_comm_destroy(process_data[i]->comm_self);
     }
+    if(process_data[i]->comm_intra!=MPI_COMM_NULL){
+      smpi_group_unuse(smpi_comm_group(process_data[i]->comm_intra));
+      smpi_comm_destroy(process_data[i]->comm_intra);
+    }
     xbt_os_timer_free(process_data[i]->timer);
     simcall_rdv_destroy(process_data[i]->mailbox);
     simcall_rdv_destroy(process_data[i]->mailbox_small);
@@ -588,14 +611,14 @@ int smpi_main(int (*realmain) (int argc, char *argv[]), int argc, char *argv[])
 
   SIMIX_global_init(&argc, argv);
 
+  smpi_init_options();
+
   // parse the platform file: get the host list
   SIMIX_create_environment(argv[1]);
   SIMIX_comm_set_copy_data_callback(&smpi_comm_copy_buffer_callback);
   SIMIX_function_register_default(realmain);
   SIMIX_launch_application(argv[2]);
 
-  smpi_init_options();
-
   smpi_global_init();
 
   smpi_check_options();