+ DEBUG2("%s %f", name, MSG_get_clock()-clock);
+ if (XBT_LOG_ISENABLED(actions,xbt_log_priority_debug))
+ free(name);
+}
+
+static void barrier (xbt_dynar_t action)
+{
+ char *name = NULL;
+
+ if (XBT_LOG_ISENABLED(actions,xbt_log_priority_debug))
+ name = xbt_str_join(action, " ");
+
+ DEBUG1("barrier: %s", name);
+
+ THROW_UNIMPLEMENTED;
+
+ if (XBT_LOG_ISENABLED(actions,xbt_log_priority_debug))
+ free(name);
+
+}
+
+static void reduce(xbt_dynar_t action)
+{
+ int i;
+ char *name;
+ char task_name[80];
+ char spawn_name[80];
+ char **myargv;
+ char *comm_size = xbt_dynar_get_as(action, 2, char *);
+ char *comp_size = xbt_dynar_get_as(action, 3, char *);
+ m_process_t comm_helper=NULL;
+ m_task_t task=NULL, comp_task=NULL;
+ const char* process_name;
+ double clock = MSG_get_clock();
+
+ coll_ctr counters = (coll_ctr) MSG_process_get_data(MSG_process_self());
+
+ xbt_assert0(communicator_size, "Size of Communicator is not defined"
+ ", can't use collective operations");
+
+ process_name = MSG_process_get_name(MSG_process_self());
+
+ if (!counters){
+ DEBUG0("Initialize the counters");
+ counters = (coll_ctr) calloc (1, sizeof(struct coll_ctr_t));
+ }
+
+ name = bprintf("reduce_%d", counters->reduce_counter++);
+
+ if (!strcmp(process_name, "p0")){
+ DEBUG2("%s: %s is the Root",name, process_name);
+ for(i=1;i<communicator_size;i++){
+ sprintf(spawn_name,"%s_p%d_%s", name, i,
+ MSG_process_get_name(MSG_process_self()));
+ sprintf(task_name,"%s_wait", spawn_name);
+ myargv = (char**) calloc (2, sizeof (char*));
+
+ myargv[0] = xbt_strdup(spawn_name);
+ myargv[1] = NULL;
+
+ comm_helper =
+ MSG_process_create_with_arguments(task_name, spawned_recv,
+ NULL, MSG_host_self(),
+ 1, myargv);
+ }
+
+ for(i=1;i<communicator_size;i++){
+ sprintf(task_name,"%s_p%d_p0_wait", name, i);
+ MSG_task_receive(&task,task_name);
+ MSG_task_destroy(task);
+ task=NULL;
+ }
+
+ comp_task =
+ MSG_task_create("reduce_comp", parse_double(comp_size), 0, NULL);
+ DEBUG1("%s: computing 'reduce_comp'", name);
+ MSG_task_execute(comp_task);
+ MSG_task_destroy(comp_task);
+ DEBUG1("%s: computed", name);
+ } else {
+ DEBUG2("%s: %s sends", name, process_name);
+ sprintf(task_name,"%s_%s_p0", name, process_name);
+ DEBUG1("put on %s", task_name);
+ MSG_task_send(MSG_task_create(name, 0, parse_double(comm_size), NULL),
+ task_name);
+ }
+
+ MSG_process_set_data(MSG_process_self(), (void*)counters);
+ DEBUG2("%s %f", xbt_str_join(action, " "), MSG_get_clock()-clock);
+ free(name);
+}
+
+static void bcast (xbt_dynar_t action)
+{
+ int i;
+ char *name;
+ const char* process_name;
+ char task_name[80];
+ char spawn_name[80];
+ char **myargv;
+ m_process_t comm_helper=NULL;
+ m_task_t task=NULL;
+ char *size = xbt_dynar_get_as(action, 2, char *);
+ coll_ctr counters = (coll_ctr) MSG_process_get_data(MSG_process_self());
+ double clock = MSG_get_clock();
+
+ xbt_assert0(communicator_size, "Size of Communicator is not defined"
+ ", can't use collective operations");
+
+
+ process_name = MSG_process_get_name(MSG_process_self());
+ if (!counters){
+ DEBUG0("Initialize the counters");
+ counters = (coll_ctr) calloc (1, sizeof(struct coll_ctr_t));
+ }
+
+ name = bprintf("bcast_%d", counters->bcast_counter++);
+ if (!strcmp(process_name, "p0")){
+ DEBUG2("%s: %s is the Root",name, process_name);
+
+ for(i=1;i<communicator_size;i++){
+ myargv = (char**) calloc (3, sizeof (char*));
+ myargv[0] = xbt_strdup(name);
+ myargv[1] = xbt_strdup(size);
+ myargv[2] = NULL;
+
+ sprintf(spawn_name,"%s_%d", myargv[0], i);
+ comm_helper =
+ MSG_process_create_with_arguments(spawn_name, spawned_send,
+ NULL, MSG_host_self(), 2, myargv);
+ }
+
+ for(i=1;i<communicator_size;i++){
+ sprintf(task_name,"p%d_wait", i);
+ DEBUG1("get on %s", task_name);
+ MSG_task_receive(&task,task_name);
+ MSG_task_destroy(task);
+ task=NULL;
+ }
+ DEBUG2("%s: all messages sent by %s have been received",
+ name, process_name);
+ } else {
+ DEBUG2("%s: %s receives", name, process_name);
+ MSG_task_receive(&task, name);
+ MSG_task_destroy(task);
+ DEBUG2("%s: %s has received", name,process_name);
+ sprintf(task_name,"%s_wait", process_name);
+ DEBUG1("put on %s", task_name);
+ MSG_task_send(MSG_task_create("waiter",0,0,NULL),task_name);
+ }
+
+ MSG_process_set_data(MSG_process_self(), (void*)counters);
+ DEBUG2("%s %f", xbt_str_join(action, " "), MSG_get_clock()-clock);