X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/0a1c995ee798730127d6aed9968a244625e40286..9a877ba41cb963c7d32a71d935b29e37b01f1617:/examples/msg/actions/actions.c

diff --git a/examples/msg/actions/actions.c b/examples/msg/actions/actions.c
index 59c639de0e..f1f5fbd350 100644
--- a/examples/msg/actions/actions.c
+++ b/examples/msg/actions/actions.c
@@ -6,77 +6,532 @@
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include <stdio.h>
-#include "msg/msg.h" /* Yeah! If you want to use msg, you need to include msg/msg.h */
-#include "xbt.h" /* calloc, printf */
+#include <stdlib.h>
+#include "msg/msg.h"            /* Yeah! If you want to use msg, you need to include msg/msg.h */
+#include "xbt.h"                /* calloc, printf */
+#include "simgrid_config.h"     /* getline */
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(actions,
+                 "Messages specific for this msg example");
+int communicator_size=0;
+
+typedef struct coll_ctr_t{
+  int bcast_counter;
+  int reduce_counter;
+  int allReduce_counter;
+} *coll_ctr;
+
+/* Helper function */
+static double parse_double(const char *string) {
+  double value;
+  char *endptr;
+
+  value=strtod(string, &endptr);
+  if (*endptr != '\0')
+	  THROW1(unknown_error, 0, "%s is not a double", string);
+  return value;
+}
 
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,"Messages specific for this msg example");
 
 /* My actions */
-static void send(xbt_dynar_t action) {
-	char *name=xbt_str_join(action," ");
-	char *to = xbt_dynar_get_as(action,2,char*);
-	char *size=xbt_dynar_get_as(action,3,char*);
-	INFO1("Send: %s",name);
-	MSG_task_send(MSG_task_create(name, 0, atoi(size), NULL), to);
-	INFO1("Sent %s",name);
+static void send(xbt_dynar_t action)
+{
+  char *name = NULL;
+  char to[250];
+  char *size = xbt_dynar_get_as(action, 3, char *);
+  double clock = MSG_get_clock();
+  sprintf (to,"%s_%s", MSG_process_get_name(MSG_process_self()),
+	   xbt_dynar_get_as(action, 2, char *));
+  //  char *to =  xbt_dynar_get_as(action, 2, char *);
+
+  if (XBT_LOG_ISENABLED(actions,xbt_log_priority_debug))
+    name = xbt_str_join(action, " ");
+
+  DEBUG2("Entering Send: %s (size: %lg)", name, parse_double(size));
+  MSG_task_send(MSG_task_create(name, 0, parse_double(size), NULL), to);
+  DEBUG2("%s %f", name, MSG_get_clock()-clock);
+
+  if (XBT_LOG_ISENABLED(actions,xbt_log_priority_debug))
+    free(name);
+}
+
+
+static int spawned_send(int argc, char *argv[])
+{
+  DEBUG3("%s: Sending %s on %s", MSG_process_get_name(MSG_process_self()), 
+	argv[1],argv[0]);
+  MSG_task_send(MSG_task_create(argv[0], 0, parse_double(argv[1]), NULL), 
+		argv[0]);
+  return 0;
+}
+
+static void Isend(xbt_dynar_t action)
+{
+  char spawn_name[80];
+  char to[250];
+  //  char *to = xbt_dynar_get_as(action, 2, char *);
+  char *size = xbt_dynar_get_as(action, 3, char *);
+  char **myargv;
+  m_process_t comm_helper;
+  double clock = MSG_get_clock();
+  DEBUG1("Isend on %s: spawn process ", 
+	 MSG_process_get_name(MSG_process_self()));
+
+  sprintf (to,"%s_%s", MSG_process_get_name(MSG_process_self()),
+	   xbt_dynar_get_as(action, 2, char *));
+  myargv = (char**) calloc (3, sizeof (char*));
+  
+  myargv[0] = xbt_strdup(to);
+  myargv[1] = xbt_strdup(size);
+  myargv[2] = NULL;
+
+  //    sprintf(spawn_name,"%s_wait",MSG_process_get_name(MSG_process_self()));
+  sprintf(spawn_name,"%s_wait",to);
+  comm_helper =
+    MSG_process_create_with_arguments(spawn_name, spawned_send, 
+				      NULL, MSG_host_self(), 2, myargv);
+  DEBUG2("%s %f",xbt_str_join(action, " "), MSG_get_clock()-clock);
+}
+
+
+static void recv(xbt_dynar_t action)
+{
+  char *name = NULL;
+    char mailbox_name[250];
+  m_task_t task = NULL;
+  double clock = MSG_get_clock();
+  //FIXME: argument of action ignored so far; semantic not clear
+  //char *from=xbt_dynar_get_as(action,2,char*);
+  sprintf (mailbox_name,"%s_%s", xbt_dynar_get_as(action, 2, char *),
+	   MSG_process_get_name(MSG_process_self()));
+
+  if (XBT_LOG_ISENABLED(actions,xbt_log_priority_debug))
+    name = xbt_str_join(action, " ");
+
+  DEBUG1("Receiving: %s", name);
+  MSG_task_receive(&task, mailbox_name);
+  //  MSG_task_receive(&task, MSG_process_get_name(MSG_process_self()));
+  DEBUG2("%s %f", name, MSG_get_clock()-clock);
+  MSG_task_destroy(task);
+
+  if (XBT_LOG_ISENABLED(actions,xbt_log_priority_debug))
+    free(name);
+}
+
+static int spawned_recv(int argc, char *argv[])
+{
+  m_task_t task = NULL;
+  DEBUG1("Receiving on %s", argv[0]);
+  MSG_task_receive(&task, argv[0]);
+  DEBUG1("Received %s", MSG_task_get_name(task));
+  DEBUG1("waiter on %s", MSG_process_get_name(MSG_process_self()));
+  MSG_task_send(MSG_task_create("waiter",0,0,NULL),
+		MSG_process_get_name(MSG_process_self())); 
+  
+  MSG_task_destroy(task);
+  return 0;
+}
+
+
+static void Irecv(xbt_dynar_t action)
+{
+  char *name;
+  m_process_t comm_helper;
+  char mailbox_name[250];
+  char **myargv;
+  double clock = MSG_get_clock();
+  DEBUG1("Irecv on %s: spawn process ", 
+	 MSG_process_get_name(MSG_process_self()));
+
+  sprintf (mailbox_name,"%s_%s", xbt_dynar_get_as(action, 2, char *),
+	   MSG_process_get_name(MSG_process_self()));
+  name = bprintf("%s_wait",MSG_process_get_name(MSG_process_self()));
+  myargv = (char**) calloc (2, sizeof (char*));
+  
+  myargv[0] = xbt_strdup(mailbox_name);
+  myargv[1] = NULL;
+  comm_helper = MSG_process_create_with_arguments(name,spawned_recv,
+						  NULL, MSG_host_self(),
+						  1, myargv);
+
+  DEBUG2("%s %f",  xbt_str_join(action, " "), 
+      MSG_get_clock()-clock);
+ 
+  free(name);
+}
+
+
+static void wait_action(xbt_dynar_t action)
+{
+  char *name = NULL;
+  char task_name[80];
+  m_task_t task = NULL;
+  double clock = MSG_get_clock();
+  
+  if (XBT_LOG_ISENABLED(actions,xbt_log_priority_debug))
+    name = xbt_str_join(action, " ");
+
+  DEBUG1("Entering %s", name);
+  sprintf(task_name,"%s_wait",MSG_process_get_name(MSG_process_self()));
+  DEBUG1("wait: %s", task_name);
+  MSG_task_receive(&task,task_name);
+  MSG_task_destroy(task);
+  DEBUG2("%s %f", name,	MSG_get_clock()-clock);
+  if (XBT_LOG_ISENABLED(actions,xbt_log_priority_debug))
+    free(name);
+}
+
+/* FIXME: that's a poor man's implementation: we should take the message exchanges into account */
+smx_sem_t barrier_semaphore=NULL;
+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("Entering barrier: %s", name);
+  if (barrier_semaphore == NULL)  // first arriving on the barrier
+    barrier_semaphore = SIMIX_sem_init(0);
+
+  if (SIMIX_sem_get_capacity(barrier_semaphore)==-communicator_size +1) { // last arriving
+    SIMIX_sem_release_forever(barrier_semaphore);
+    SIMIX_sem_destroy(barrier_semaphore);
+    barrier_semaphore = NULL;
+  } else { // not last
+    SIMIX_sem_acquire(barrier_semaphore);
+  }
+
+  DEBUG1("Exiting barrier: %s", name);
+
+  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 recv(xbt_dynar_t action) {
-	m_task_t task = NULL;
-	INFO1("Receiving: %s",xbt_str_join(action," "));
-	//FIXME: argument of action ignored so far; semantic not clear
-	//char *from=xbt_dynar_get_as(action,2,char*);
-	MSG_task_receive(&task,MSG_process_get_name(MSG_process_self()));
-	INFO1("Received %s",MSG_task_get_name(task));
-	MSG_task_destroy(task);
+
+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);
+  free(name);
 }
-static void sleep(xbt_dynar_t action) {
-	char *duration=xbt_dynar_get_as(action,2,char*);
-	INFO1("sleep: %s",xbt_str_join(action," "));
-	MSG_process_sleep(atoi(duration));
-	INFO1("sleept: %s",xbt_str_join(action," "));
+
+
+static void sleep(xbt_dynar_t action)
+{
+  char *name = NULL;
+  char *duration = xbt_dynar_get_as(action, 2, char *);
+  double clock = MSG_get_clock();
+
+  if (XBT_LOG_ISENABLED(actions,xbt_log_priority_debug))
+    name = xbt_str_join(action, " ");
+
+  DEBUG1("Entering %s", name);
+  MSG_process_sleep(parse_double(duration));
+  DEBUG2("%s %f ", name, MSG_get_clock()-clock);
+
+  if (XBT_LOG_ISENABLED(actions,xbt_log_priority_debug))
+    free(name);
 }
-static void compute(xbt_dynar_t action) {
-	char *name=xbt_str_join(action," ");
-	char *amout=xbt_dynar_get_as(action,2,char*);
-	m_task_t task = MSG_task_create(name, atoi(amout), 0, NULL);
-	INFO1("computing: %s",name);
-	MSG_task_execute(task);
-	MSG_task_destroy(task);
-	INFO1("computed: %s",name);
+
+static void allReduce(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("allReduce_%d", counters->allReduce_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("allReduce_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);
+
+    for(i=1;i<communicator_size;i++){
+      myargv = (char**) calloc (3, sizeof (char*));
+      myargv[0] = xbt_strdup(name);
+      myargv[1] = xbt_strdup(comm_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 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_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);
+  free(name);
+}
+
+static void comm_size(xbt_dynar_t action)
+{
+  char *size = xbt_dynar_get_as(action, 2, char *);
+  communicator_size = parse_double(size);
+}
+
+static void compute(xbt_dynar_t action)
+{
+  char *name=NULL;
+  char *amout = xbt_dynar_get_as(action, 2, char *);
+  m_task_t task = MSG_task_create(name, parse_double(amout), 0, NULL);
+  double clock = MSG_get_clock();
+
+  if (XBT_LOG_ISENABLED(actions,xbt_log_priority_debug))
+    name = xbt_str_join(action, " ");
+  DEBUG1("Entering %s", name);
+  MSG_task_execute(task);
+  MSG_task_destroy(task);
+  DEBUG2("%s %f", name, MSG_get_clock()-clock);
+  if (XBT_LOG_ISENABLED(actions,xbt_log_priority_debug))
+    free(name);
 }
 
 /** Main function */
-int main(int argc, char *argv[]){
-	MSG_error_t res = MSG_OK;
-
-	/* Check the given arguments */
-	MSG_global_init(&argc,argv);
-	if (argc < 4) {
-		printf ("Usage: %s platform_file deployment_file action_files\n",argv[0]);
-		printf ("example: %s msg_platform.xml msg_deployment.xml actions\n",argv[0]);
-		exit(1);
-	}
-
-	/*  Simulation setting */
-	MSG_create_environment(argv[1]);
-
-	/* No need to register functions as in classical MSG programs: the actions get started anyway */
-	MSG_launch_application(argv[2]);
-
-	/*   Action registration */
-	MSG_action_register("send", send);
-	MSG_action_register("recv", recv);
-	MSG_action_register("sleep", sleep);
-	MSG_action_register("compute", compute);
-
-	/* Actually do the simulation using MSG_action_trace_run */
-	res = MSG_action_trace_run(argv[3]);
-
-	INFO1("Simulation time %g",MSG_get_clock());
-	MSG_clean();
-
-	if(res==MSG_OK)
-		return 0;
-	else
-		return 1;
-} /* end_of_main */
+int main(int argc, char *argv[])
+{
+  MSG_error_t res = MSG_OK;
+  
+  /* Check the given arguments */
+  MSG_global_init(&argc, argv);
+  if (argc < 3) {
+    printf("Usage: %s platform_file deployment_file [action_files]\n", argv[0]);
+    printf("example: %s msg_platform.xml msg_deployment.xml actions # if all actions are in the same file\n",
+           argv[0]);
+    printf("example: %s msg_platform.xml msg_deployment.xml # if actions are in separate files, specified in deployment\n",
+           argv[0]);
+    exit(1);
+  }
+
+  /*  Simulation setting */
+  MSG_create_environment(argv[1]);
+
+  /* No need to register functions as in classical MSG programs: the actions get started anyway */
+  MSG_launch_application(argv[2]);
+
+  /*   Action registration */
+  MSG_action_register("comm_size", comm_size);
+  MSG_action_register("send", send);
+  MSG_action_register("Isend", Isend);
+  MSG_action_register("recv", recv);
+  MSG_action_register("Irecv", Irecv);
+  MSG_action_register("wait", wait_action);
+  MSG_action_register("barrier", barrier);
+  MSG_action_register("bcast", bcast);
+  MSG_action_register("reduce", reduce);
+  MSG_action_register("allReduce", allReduce);
+  MSG_action_register("sleep", sleep);
+  MSG_action_register("compute", compute);
+
+
+  /* Actually do the simulation using MSG_action_trace_run */
+  res = MSG_action_trace_run(argv[3]); // it's ok to pass a NULL argument here
+
+  INFO1("Simulation time %g", MSG_get_clock());
+  MSG_clean();
+
+  if (res == MSG_OK)
+    return 0;
+  else
+    return 1;
+}                               /* end_of_main */