X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/42528e51b9fadb0cae3b553cf6177334decfbb0e..bdaf16e4bbff9c60cd8da2800fcad02e4a74daa4:/examples/msg/actions/actions.c

diff --git a/examples/msg/actions/actions.c b/examples/msg/actions/actions.c
index df2ebf295b..d8439fb34d 100644
--- a/examples/msg/actions/actions.c
+++ b/examples/msg/actions/actions.c
@@ -1,82 +1,564 @@
-/* 	$Id$	 */
-
-/* Copyright (c) 2009. The SimGrid team. All rights reserved.               */
+/* Copyright (c) 2009, 2010. The SimGrid Team.
+ * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
  * 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 "simix/simix.h"        /* semaphores for the barrier */
+#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 action_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_verbose))
+    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);
+  VERB2("%s %f", name, MSG_get_clock() - clock);
+
+  if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+    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);
+  VERB2("%s %f", xbt_str_join(action, " "), MSG_get_clock() - clock);
+}
+
+
+static void action_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_verbose))
+    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()));
+  VERB2("%s %f", name, MSG_get_clock() - clock);
+  MSG_task_destroy(task);
+
+  if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+    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);
+
+  VERB2("%s %f", xbt_str_join(action, " "), MSG_get_clock() - clock);
+
+  free(name);
+}
+
+
+static void action_wait(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_verbose))
+    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);
+  VERB2("%s %f", name, MSG_get_clock() - clock);
+  if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+    free(name);
+}
+
+/* FIXME: that's a poor man's implementation: we should take the message exchanges into account */
+static void barrier(xbt_dynar_t action)
+{
+  char *name = NULL;
+  static smx_mutex_t mutex = NULL;
+  static smx_cond_t cond = NULL;
+  static int processes_arrived_sofar=0;
+
+  if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+    name = xbt_str_join(action, " ");
+
+  if (mutex == NULL) {       // first arriving on the barrier
+    mutex = SIMIX_mutex_init();
+    cond = SIMIX_cond_init();
+    processes_arrived_sofar=0;
+  }
+  DEBUG2("Entering barrier: %s (%d already there)", name,processes_arrived_sofar);
+
+  SIMIX_mutex_lock(mutex);
+  if (++processes_arrived_sofar == communicator_size) {
+    SIMIX_cond_broadcast(cond);
+    SIMIX_mutex_unlock(mutex);
+  } else {
+    SIMIX_cond_wait(cond,mutex);
+    SIMIX_mutex_unlock(mutex);
+  }
+
+  DEBUG1("Exiting barrier: %s", name);
+
+  processes_arrived_sofar--;
+  if (!processes_arrived_sofar) {
+    SIMIX_cond_destroy(cond);
+    SIMIX_mutex_destroy(mutex);
+    mutex=NULL;
+  }
+
+  if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+    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);
+  VERB2("%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);
+  VERB2("%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 action_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_verbose))
+    name = xbt_str_join(action, " ");
+
+  DEBUG1("Entering %s", name);
+  MSG_process_sleep(parse_double(duration));
+  VERB2("%s %f ", name, MSG_get_clock() - clock);
+
+  if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+    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);
+  VERB2("%s %f", xbt_str_join(action, " "), MSG_get_clock() - clock);
+  free(name);
+}
+
+static void comm_size(xbt_dynar_t action)
+{
+  char *name = NULL;
+  char *size = xbt_dynar_get_as(action, 2, char *);
+  double clock = MSG_get_clock();
+
+  if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+    name = xbt_str_join(action, " ");
+  communicator_size = parse_double(size);
+  VERB2("%s %f", name, MSG_get_clock() - clock);
+  if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+    free(name);
+}
+
+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_verbose))
+    name = xbt_str_join(action, " ");
+  DEBUG1("Entering %s", name);
+  MSG_task_execute(task);
+  MSG_task_destroy(task);
+  VERB2("%s %f", name, MSG_get_clock() - clock);
+  if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+    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", sleep);
-
-	/* 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", action_send);
+  MSG_action_register("Isend", Isend);
+  MSG_action_register("recv", action_recv);
+  MSG_action_register("Irecv", Irecv);
+  MSG_action_register("wait", action_wait);
+  MSG_action_register("barrier", barrier);
+  MSG_action_register("bcast", bcast);
+  MSG_action_register("reduce", reduce);
+  MSG_action_register("allReduce", allReduce);
+  MSG_action_register("sleep", action_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 */