X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/cac63707a2f233d0a979a67403336292eb2a3038..3c072dea92bbf0e4df46b1d8d56cd62e68883b33:/src/smpi/smpi_global.c

diff --git a/src/smpi/smpi_global.c b/src/smpi/smpi_global.c
index 8e1057b6e4..bef49b1db8 100644
--- a/src/smpi/smpi_global.c
+++ b/src/smpi/smpi_global.c
@@ -1,6 +1,7 @@
 #include <stdio.h>
 
 #include "private.h"
+#include "smpi_mpi_dt_private.h"
 
 XBT_LOG_NEW_CATEGORY(smpi, "All SMPI categories");
 
@@ -17,6 +18,7 @@ void *smpi_request_new()
 
   request->buf = NULL;
   request->completed = 0;
+  request->consumed = 0;
   request->mutex = SIMIX_mutex_init();
   request->cond = SIMIX_cond_init();
   request->data = NULL;
@@ -47,6 +49,7 @@ void smpi_request_reset(void *pointer)
 
   request->buf = NULL;
   request->completed = 0;
+  request->consumed = 0;
   request->data = NULL;
   request->forward = 0;
 
@@ -120,18 +123,23 @@ 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_prod_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);
@@ -144,16 +152,6 @@ 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->hosts = NULL;
-  smpi_global->host_count = 0;
-
-  // running hosts
-  smpi_global->running_hosts_count = 0;
 
   // mallocators
   smpi_global->request_mallocator =
@@ -163,69 +161,86 @@ void smpi_global_init()
     xbt_mallocator_new(SMPI_MESSAGE_MALLOCATOR_SIZE, smpi_message_new,
                        smpi_message_free, smpi_message_reset);
 
-  // queues
-  smpi_global->pending_send_request_queues = xbt_new(xbt_fifo_t, size);
-  smpi_global->received_message_queues = xbt_new(xbt_fifo_t, size);
+  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();
-  smpi_global->timer_mutex = SIMIX_mutex_init();
   smpi_global->timer_cond = SIMIX_cond_init();
 
   smpi_global->do_once_duration_nodes = NULL;
   smpi_global->do_once_duration = NULL;
   smpi_global->do_once_mutex = SIMIX_mutex_init();
 
-  for (i = 0; i < size; i++) {
-    smpi_global->pending_send_request_queues[i] = xbt_fifo_new();
-    smpi_global->received_message_queues[i] = xbt_fifo_new();
-  }
-
-  smpi_global->hosts = SIMIX_host_get_table();
-  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;
   }
 
   // mpi datatypes
-  smpi_mpi_global->mpi_byte = xbt_new(s_smpi_mpi_datatype_t, 1);
+  smpi_mpi_global->mpi_byte = xbt_new(s_smpi_mpi_datatype_t, 1); /* we can think of it as a placeholder for value*/
   smpi_mpi_global->mpi_byte->size = (size_t) 1;
+  smpi_mpi_global->mpi_byte->lb = (ptrdiff_t) 0; 
+  smpi_mpi_global->mpi_byte->ub = smpi_mpi_global->mpi_byte->lb + smpi_mpi_global->mpi_byte->size;
+  smpi_mpi_global->mpi_byte->flags = DT_FLAG_BASIC;
+
+  smpi_mpi_global->mpi_char = xbt_new(s_smpi_mpi_datatype_t, 1);
+  smpi_mpi_global->mpi_char->size = (size_t) 1;
+  smpi_mpi_global->mpi_char->lb = (ptrdiff_t) 0; //&(smpi_mpi_global->mpi_char);
+  smpi_mpi_global->mpi_char->ub = smpi_mpi_global->mpi_char->lb + smpi_mpi_global->mpi_char->size; 
+  smpi_mpi_global->mpi_char->flags = DT_FLAG_BASIC;
+
   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_int->lb = (ptrdiff_t) 0; // &(smpi_mpi_global->mpi_int);
+  smpi_mpi_global->mpi_int->ub = smpi_mpi_global->mpi_int->lb + smpi_mpi_global->mpi_int->size;
+  smpi_mpi_global->mpi_int->flags = DT_FLAG_BASIC;
+
+  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_float->lb = (ptrdiff_t) 0; // &(smpi_mpi_global->mpi_float);
+  smpi_mpi_global->mpi_float->ub = smpi_mpi_global->mpi_float->lb + smpi_mpi_global->mpi_float->size;
+  smpi_mpi_global->mpi_float->flags = DT_FLAG_BASIC;
+
   smpi_mpi_global->mpi_double = xbt_new(s_smpi_mpi_datatype_t, 1);
   smpi_mpi_global->mpi_double->size = sizeof(double);
+  smpi_mpi_global->mpi_double->lb = (ptrdiff_t) 0; //&(smpi_mpi_global->mpi_float);
+  smpi_mpi_global->mpi_double->ub = smpi_mpi_global->mpi_double->lb + smpi_mpi_global->mpi_double->size;
+  smpi_mpi_global->mpi_double->flags = DT_FLAG_BASIC;
 
   // mpi operations
   smpi_mpi_global->mpi_land = xbt_new(s_smpi_mpi_op_t, 1);
   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_prod = xbt_new(s_smpi_mpi_op_t, 1);
+  smpi_mpi_global->mpi_prod->func = smpi_mpi_prod_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;
 
 }
 
 void smpi_global_destroy()
 {
-  int i;
-
-  int size = SIMIX_host_get_number();
-
   smpi_do_once_duration_node_t curr, next;
 
   // processes
@@ -236,7 +251,6 @@ void smpi_global_destroy()
   xbt_mallocator_free(smpi_global->message_mallocator);
 
   xbt_os_timer_free(smpi_global->timer);
-  SIMIX_mutex_destroy(smpi_global->timer_mutex);
   SIMIX_cond_destroy(smpi_global->timer_cond);
 
   for (curr = smpi_global->do_once_duration_nodes; NULL != curr; curr = next) {
@@ -247,52 +261,76 @@ void smpi_global_destroy()
 
   SIMIX_mutex_destroy(smpi_global->do_once_mutex);
 
-  for (i = 0; i < size; i++) {
-    xbt_fifo_free(smpi_global->pending_send_request_queues[i]);
-    xbt_fifo_free(smpi_global->received_message_queues[i]);
-  }
+  xbt_free(smpi_global);
+  smpi_global = NULL;
 
-  xbt_free(smpi_global->pending_send_request_queues);
-  xbt_free(smpi_global->received_message_queues);
+  /* free smpi_mpi_global */
+  SIMIX_mutex_destroy(smpi_mpi_global->mpi_comm_world->barrier_mutex);
+  SIMIX_cond_destroy(smpi_mpi_global->mpi_comm_world->barrier_cond);
+  xbt_free(smpi_mpi_global->mpi_comm_world->rank_to_index_map);
+  xbt_free(smpi_mpi_global->mpi_comm_world);
 
-  xbt_free(smpi_global);
+  xbt_free(smpi_mpi_global->mpi_byte);
+  xbt_free(smpi_mpi_global->mpi_char);
+  xbt_free(smpi_mpi_global->mpi_int);
+  xbt_free(smpi_mpi_global->mpi_double);
+  xbt_free(smpi_mpi_global->mpi_float);
 
-  smpi_global = NULL;
+  xbt_free(smpi_mpi_global->mpi_land);
+  xbt_free(smpi_mpi_global->mpi_sum);
+  xbt_free(smpi_mpi_global->mpi_prod);
+  xbt_free(smpi_mpi_global->mpi_max);
+  xbt_free(smpi_mpi_global->mpi_min);
+
+  xbt_free(smpi_mpi_global);
+
+}
+
+int smpi_process_index()
+{
+  smpi_process_data_t pdata =
+    (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
+  return pdata->index;
 }
 
-int smpi_host_index()
+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->index;
+  smpi_process_data_t pdata =
+    (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
+  return pdata->mutex;
 }
 
-smx_mutex_t smpi_host_mutex()
+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->mutex;
+  smpi_process_data_t pdata =
+    (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
+  return pdata->cond;
 }
 
-smx_cond_t smpi_host_cond()
+static void smpi_cfg_cb_host_speed(const char *name, int pos)
 {
-  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_global->reference_speed =
+    xbt_cfg_get_double_at(_surf_cfg_set, name, pos);
 }
 
 int smpi_run_simulation(int *argc, char **argv)
 {
-  smx_cond_t cond = NULL;
-  smx_action_t action = NULL;
+  srand(SMPI_RAND_SEED);
 
-  xbt_fifo_t actions_failed = xbt_fifo_new();
-  xbt_fifo_t actions_done = xbt_fifo_new();
+  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);
 
-  srand(SMPI_RAND_SEED);
+  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]);
 
@@ -302,38 +340,19 @@ 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);
   SIMIX_init();
 
-  while (SIMIX_solve(actions_done, actions_failed) != -1.0) {
-    while ((action = xbt_fifo_pop(actions_failed))) {
-      DEBUG1("** %s failed **", action->name);
-      while ((cond = xbt_fifo_pop(action->cond_list))) {
-        SIMIX_cond_broadcast(cond);
-      }
-    }
-    while ((action = xbt_fifo_pop(actions_done))) {
-      DEBUG1("** %s done **", action->name);
-      while ((cond = xbt_fifo_pop(action->cond_list))) {
-        SIMIX_cond_broadcast(cond);
-      }
-    }
-  }
-
+  while (SIMIX_solve(NULL, NULL) != -1.0);
+  
   // FIXME: cleanup incomplete
-  xbt_fifo_free(actions_failed);
-  xbt_fifo_free(actions_done);
 
-  INFO1("simulation time %g", SIMIX_get_clock());
+  if (xbt_cfg_get_int(_surf_cfg_set, "display_timing"))
+    INFO1("simulation time %g", SIMIX_get_clock());
 
   smpi_global_destroy();
-
   SIMIX_clean();
 
   return 0;