X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/766576b6f567b257d08ac0667a2c1f63402ef9a0..03216b99d0e66e1778d9b99b11c3207c87900aad:/src/smpi/smpi_global.c

diff --git a/src/smpi/smpi_global.c b/src/smpi/smpi_global.c
index 931fc728bb..007b292407 100644
--- a/src/smpi/smpi_global.c
+++ b/src/smpi/smpi_global.c
@@ -47,6 +47,7 @@ void smpi_request_reset(void *pointer)
 
   request->buf = NULL;
   request->completed = 0;
+  request->consumed = 0;
   request->data = NULL;
   request->forward = 0;
 
@@ -121,17 +122,15 @@ int smpi_create_request(void *buf, int count, smpi_mpi_datatype_t datatype,
   return retval;
 }
 /* FIXME: understand what they do and put the prototypes in a header file (live in smpi_base.c) */
-void smpi_mpi_land_func(void *a, void *b, int *length,
-                        MPI_Datatype * datatype);
-void smpi_mpi_sum_func(void *a, void *b, int *length,
-                       MPI_Datatype * datatype);
+void smpi_mpi_land_func(void *a, void *b, int *length, MPI_Datatype * datatype);
+void smpi_mpi_sum_func(void *a, void *b, int *length, MPI_Datatype * datatype);
+void smpi_mpi_min_func(void *a, void *b, int *length, MPI_Datatype * datatype);
+void smpi_mpi_max_func(void *a, void *b, int *length, MPI_Datatype * datatype);
 
 void smpi_global_init()
 {
   int i;
 
-  int size = SIMIX_host_get_number();
-
   /* Connect our log channels: that must be done manually under windows */
 #ifdef XBT_LOG_CONNECT
   XBT_LOG_CONNECT(smpi_base, smpi);
@@ -144,12 +143,6 @@ void smpi_global_init()
 #endif
 
   smpi_global = xbt_new(s_smpi_global_t, 1);
-  // config variable
-  smpi_global->reference_speed = SMPI_DEFAULT_SPEED;
-
-  // host info blank until sim starts
-  // FIXME: is this okay?
-  smpi_global->host_count = 0;
 
   // mallocators
   smpi_global->request_mallocator =
@@ -159,8 +152,11 @@ void smpi_global_init()
     xbt_mallocator_new(SMPI_MESSAGE_MALLOCATOR_SIZE, smpi_message_new,
                        smpi_message_free, smpi_message_reset);
 
+  smpi_global->process_count = SIMIX_process_count();
+  DEBUG1("There is %d processes",smpi_global->process_count);
+
   // sender/receiver processes
-  smpi_global->main_processes = xbt_new(smx_process_t, size);
+  smpi_global->main_processes = xbt_new(smx_process_t, smpi_global->process_count);
 
   // timers
   smpi_global->timer = xbt_os_timer_new();
@@ -171,21 +167,20 @@ void smpi_global_init()
   smpi_global->do_once_duration = NULL;
   smpi_global->do_once_mutex = SIMIX_mutex_init();
 
-  smpi_global->host_count = SIMIX_host_get_number();
 
   smpi_mpi_global = xbt_new(s_smpi_mpi_global_t, 1);
 
   // global communicator
   smpi_mpi_global->mpi_comm_world = xbt_new(s_smpi_mpi_communicator_t, 1);
-  smpi_mpi_global->mpi_comm_world->size = smpi_global->host_count;
+  smpi_mpi_global->mpi_comm_world->size = smpi_global->process_count;
   smpi_mpi_global->mpi_comm_world->barrier_count = 0;
   smpi_mpi_global->mpi_comm_world->barrier_mutex = SIMIX_mutex_init();
   smpi_mpi_global->mpi_comm_world->barrier_cond = SIMIX_cond_init();
   smpi_mpi_global->mpi_comm_world->rank_to_index_map =
-    xbt_new(int, smpi_global->host_count);
+    xbt_new(int, smpi_global->process_count);
   smpi_mpi_global->mpi_comm_world->index_to_rank_map =
-    xbt_new(int, smpi_global->host_count);
-  for (i = 0; i < smpi_global->host_count; i++) {
+    xbt_new(int, smpi_global->process_count);
+  for (i = 0; i < smpi_global->process_count; i++) {
     smpi_mpi_global->mpi_comm_world->rank_to_index_map[i] = i;
     smpi_mpi_global->mpi_comm_world->index_to_rank_map[i] = i;
   }
@@ -195,6 +190,8 @@ void smpi_global_init()
   smpi_mpi_global->mpi_byte->size = (size_t) 1;
   smpi_mpi_global->mpi_int = xbt_new(s_smpi_mpi_datatype_t, 1);
   smpi_mpi_global->mpi_int->size = sizeof(int);
+  smpi_mpi_global->mpi_float = xbt_new(s_smpi_mpi_datatype_t, 1);
+  smpi_mpi_global->mpi_float->size = sizeof(float);
   smpi_mpi_global->mpi_double = xbt_new(s_smpi_mpi_datatype_t, 1);
   smpi_mpi_global->mpi_double->size = sizeof(double);
 
@@ -203,6 +200,10 @@ void smpi_global_init()
   smpi_mpi_global->mpi_land->func = smpi_mpi_land_func;
   smpi_mpi_global->mpi_sum = xbt_new(s_smpi_mpi_op_t, 1);
   smpi_mpi_global->mpi_sum->func = smpi_mpi_sum_func;
+  smpi_mpi_global->mpi_min = xbt_new(s_smpi_mpi_op_t, 1);
+  smpi_mpi_global->mpi_min->func = smpi_mpi_min_func;
+  smpi_mpi_global->mpi_max = xbt_new(s_smpi_mpi_op_t, 1);
+  smpi_mpi_global->mpi_max->func = smpi_mpi_max_func;
 
 }
 
@@ -248,25 +249,26 @@ void smpi_global_destroy()
 
 }
 
-int smpi_host_index()
+int smpi_process_index()
 {
-  smx_host_t host = SIMIX_host_self();
-  smpi_host_data_t hdata = (smpi_host_data_t) SIMIX_host_get_data(host);
-  return hdata->index;
+  smpi_process_data_t pdata = (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
+  return pdata->index;
 }
 
-smx_mutex_t smpi_host_mutex()
+smx_mutex_t smpi_process_mutex()
 {
-  smx_host_t host = SIMIX_host_self();
-  smpi_host_data_t hdata = (smpi_host_data_t) SIMIX_host_get_data(host);
-  return hdata->mutex;
+  smpi_process_data_t pdata = (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
+  return pdata->mutex;
 }
 
-smx_cond_t smpi_host_cond()
+smx_cond_t smpi_process_cond()
 {
-  smx_host_t host = SIMIX_host_self();
-  smpi_host_data_t hdata = (smpi_host_data_t) SIMIX_host_get_data(host);
-  return hdata->cond;
+  smpi_process_data_t pdata = (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
+  return pdata->cond;
+}
+
+static void smpi_cfg_cb_host_speed(const char *name, int pos) {
+	smpi_global->reference_speed = xbt_cfg_get_double_at(_surf_cfg_set,name,pos);
 }
 
 int smpi_run_simulation(int *argc, char **argv)
@@ -279,8 +281,17 @@ int smpi_run_simulation(int *argc, char **argv)
 
   srand(SMPI_RAND_SEED);
 
+  double default_reference_speed = 20000.0;
+  xbt_cfg_register(&_surf_cfg_set,"reference_speed","Power of the host running the simulation (in flop/s). Used to bench the operations.",
+		  xbt_cfgelm_double,&default_reference_speed,1,1,smpi_cfg_cb_host_speed,NULL);
+
+  int default_display_timing = 0;
+  xbt_cfg_register(&_surf_cfg_set,"display_timing","Boolean indicating whether we should display the timing after simulation.",
+		  xbt_cfgelm_int,&default_display_timing,1,1,NULL,NULL);
+
   SIMIX_global_init(argc, argv);
 
+
   // parse the platform file: get the host list
   SIMIX_create_environment(argv[1]);
 
@@ -290,10 +301,6 @@ int smpi_run_simulation(int *argc, char **argv)
   // must initialize globals between creating environment and launching app....
   smpi_global_init();
 
-  /* Prepare to display some more info when dying on Ctrl-C pressing */
-  // FIXME: doesn't work
-  //signal(SIGINT, inthandler);
-
   /* Clean IO before the run */
   fflush(stdout);
   fflush(stderr);
@@ -318,10 +325,11 @@ int smpi_run_simulation(int *argc, char **argv)
   xbt_fifo_free(actions_failed);
   xbt_fifo_free(actions_done);
 
-  INFO1("simulation time %g", SIMIX_get_clock());
 
-  smpi_global_destroy();
+  if (xbt_cfg_get_int(_surf_cfg_set,"display_timing"))
+	  INFO1("simulation time %g", SIMIX_get_clock());
 
+  smpi_global_destroy();
   SIMIX_clean();
 
   return 0;