-/* $Id$ */
-
-/* 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 <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;
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
- "Messages specific for this msg example");
-
+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) {
+static double parse_double(const char *string)
+{
double value;
char *endptr;
- value=strtod(string, &endptr);
+ value = strtod(string, &endptr);
if (*endptr != '\0')
- THROW1(unknown_error, 0, "%s is not a double", string);
+ THROW1(unknown_error, 0, "%s is not a double", string);
return value;
}
/* My actions */
-static void send(xbt_dynar_t action)
+static void action_send(xbt_dynar_t action)
{
- char *name = xbt_str_join(action, " ");
- char *to = xbt_dynar_get_as(action, 2, char *);
+ char *name = NULL;
+ char to[250];
char *size = xbt_dynar_get_as(action, 3, char *);
- INFO2("Send: %s (size: %lg)", name, parse_double(size));
+ 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);
- INFO1("Sent %s", name);
- free(name);
+ 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[])
{
- xbt_dynar_t action= (xbt_dynar_t) MSG_process_get_data(MSG_process_self());
- 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("Sending on %s", name);
- MSG_task_send(MSG_task_create(name, 0, parse_double(size), NULL), to);
- INFO1("Sent %s", name);
- free(name);
+ 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 *name = xbt_str_join(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;
-
- INFO1("Isend on %s: spawn process ",
- MSG_process_get_name(MSG_process_self()));
-
- sprintf(name,"%s_wait",MSG_process_self()->name);
- comm_helper = MSG_process_create(name,spawned_send,
- (void *) action,
- MSG_host_self());
- free(name);
+ 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 recv(xbt_dynar_t action)
+static void action_recv(xbt_dynar_t action)
{
- char *name = xbt_str_join(action, " ");
+ char *name = NULL;
+ char mailbox_name[250];
m_task_t task = NULL;
- INFO1("Receiving: %s", name);
+ double clock = MSG_get_clock();
//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));
+ 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);
- free(name);
+
+ if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+ free(name);
}
static int spawned_recv(int argc, char *argv[])
{
m_task_t task = NULL;
- char* name = (char *) MSG_process_get_data(MSG_process_self());
- INFO1("Receiving on %s", name);
- MSG_task_receive(&task, name);
- INFO1("Received %s", MSG_task_get_name(task));
- MSG_task_send(MSG_task_create("waiter",0,0,NULL),MSG_process_self()->name);
-
+ 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 = xbt_str_join(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()));
- INFO1("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 *));
- sprintf(name,"%s_wait",MSG_process_self()->name);
- comm_helper = MSG_process_create(name,spawned_recv,
- (void *) MSG_process_get_name(MSG_process_self()),
- MSG_host_self());
+ 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 wait(xbt_dynar_t action)
+static void action_wait(xbt_dynar_t action)
{
- char *name = xbt_str_join(action, " ");
+ char *name = NULL;
char task_name[80];
m_task_t task = NULL;
-
- INFO1("wait: %s", name);
- sprintf(task_name,"%s_wait",MSG_process_self()->name);
- MSG_task_receive(&task,task_name);
- INFO1("waited: %s", name);
- free(name);
+ 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);
}
-static void barrier (xbt_dynar_t action)
+/* 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 = xbt_str_join(action, " ");
- INFO1("barrier: %s", name);
-
+ char *name = NULL;
+
+ if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+ name = xbt_str_join(action, " ");
+
+ if (barrier_semaphore == NULL) // first arriving on the barrier
+ barrier_semaphore = SIMIX_sem_init(0);
+ DEBUG2("Entering barrier: %s (capacity: %d)", name,SIMIX_sem_get_capacity(barrier_semaphore));
+
+ 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_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 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)
+
+
+static void action_sleep(xbt_dynar_t action)
{
- char *name = xbt_str_join(action, " ");
+ char *name = NULL;
char *duration = xbt_dynar_get_as(action, 2, char *);
- INFO1("sleep: %s", name);
+ 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));
- INFO1("sleept: %s", name);
+ VERB2("%s %f ", name, MSG_get_clock() - clock);
+
+ if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+ free(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 = xbt_str_join(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);
- INFO1("computing: %s", name);
+ 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);
- INFO1("computed: %s", name);
- free(name);
+ VERB2("%s %f", name, MSG_get_clock() - clock);
+ if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+ free(name);
}
/** Main function */
/* 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",
+ 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);
}
MSG_launch_application(argv[2]);
/* Action registration */
- MSG_action_register("send", send);
+ MSG_action_register("comm_size", comm_size);
+ MSG_action_register("send", action_send);
MSG_action_register("Isend", Isend);
- MSG_action_register("recv", recv);
+ MSG_action_register("recv", action_recv);
MSG_action_register("Irecv", Irecv);
- MSG_action_register("wait", wait);
+ MSG_action_register("wait", action_wait);
MSG_action_register("barrier", barrier);
- MSG_action_register("sleep", sleep);
+ 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]);
+ 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();
