X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/b457146b794822a3d9368b84db16da1d945f3959..3ca5d58e75df5f28588be1953f6b84a79b163d3b:/examples/msg/actions/actions.c diff --git a/examples/msg/actions/actions.c b/examples/msg/actions/actions.c index 97de6b318f..52c89a4dd9 100644 --- a/examples/msg/actions/actions.c +++ b/examples/msg/actions/actions.c @@ -1,88 +1,638 @@ -/* $Id$ */ - -/* 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 -#include "msg/msg.h" /* Yeah! If you want to use msg, you need to include msg/msg.h */ -#include "xbt.h" /* calloc, printf */ +#include +#include "msg/msg.h" /* Yeah! If you want to use msg, you need to include msg/msg.h */ +#include "msg/mailbox.h" /* we play funny tricks with mailboxes and rdv points */ +#include "simix/simix.h" /* semaphores for the barrier */ +#include "xbt.h" /* calloc, printf */ +#include "instr/instr_private.h" + +#include "msg/private.h" /* You don't want to know why, trust us */ +#include "simix/private.h" + +void SIMIX_ctx_raw_factory_init(smx_context_factory_t *factory); + +XBT_LOG_NEW_DEFAULT_CATEGORY(actions, + "Messages specific for this msg example"); +int communicator_size = 0; + +static void action_Isend(const char *const *action); + +typedef struct { + int last_Irecv_sender_id; + int bcast_counter; + int reduce_counter; + int allReduce_counter; + xbt_dynar_t isends; /* of msg_comm_t */ + /* Used to implement irecv+wait */ + xbt_dynar_t irecvs; /* of msg_comm_t */ + xbt_dynar_t tasks; /* of m_task_t */ +} s_process_globals_t, *process_globals_t; + +/* 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"); +static int get_rank (const char *process_name) +{ + return atoi(&(process_name[1])); +} + +static void asynchronous_cleanup(void) { + process_globals_t globals = (process_globals_t) MSG_process_get_data(MSG_process_self()); + + /* Destroy any isend which correspond to completed communications */ + int found; + msg_comm_t comm; + while ((found = MSG_comm_testany(globals->isends)) != -1) { + xbt_dynar_remove_at(globals->isends,found,&comm); + MSG_comm_destroy(comm); + } +} /* 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); - free(name); -} -static void recv(xbt_dynar_t action) { - char *name=xbt_str_join(action," "); +static void action_send(const char *const *action) +{ + char *name = NULL; + char to[250]; + const char *size_str = action[3]; + double size=parse_double(size_str); + double clock = MSG_get_clock(); /* this "call" is free thanks to inlining */ + + sprintf(to, "%s_%s", MSG_process_get_name(MSG_process_self()),action[2]); + + if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose)) + name = xbt_str_join_array(action, " "); + +#ifdef HAVE_TRACING + int rank = get_rank(MSG_process_get_name(MSG_process_self())); + int dst_traced = get_rank(action[2]); + TRACE_smpi_ptp_in(rank, rank, dst_traced, "send"); + TRACE_smpi_send(rank, rank, dst_traced); +#endif + + XBT_DEBUG("Entering Send: %s (size: %lg)", name, size); + if (size<65536) { + action_Isend(action); + } else { + MSG_task_send(MSG_task_create(name, 0, size, NULL), to); + } + + XBT_VERB("%s %f", name, MSG_get_clock() - clock); + + if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose)) + free(name); + +#ifdef HAVE_TRACING + TRACE_smpi_ptp_out(rank, rank, dst_traced, "send"); +#endif + + asynchronous_cleanup(); +} + +static int task_recv_matching(void*ignored,void*recv_task) { + XBT_DEBUG("Trying to recv_match with %p", recv_task); + return recv_task != NULL; +} + +static void action_Isend(const char *const *action) +{ + char to[250]; + const char *size = action[3]; + double clock = MSG_get_clock(); + process_globals_t globals = (process_globals_t) MSG_process_get_data(MSG_process_self()); + + + sprintf(to, "%s_%s", MSG_process_get_name(MSG_process_self()),action[2]); + m_task_t task = MSG_task_create(to,0,parse_double(size),NULL); + + smx_rdv_t rdv = MSG_mailbox_get_by_alias(to); + + if(SIMIX_comm_has_recv_match(rdv, task_recv_matching, NULL)) { + XBT_DEBUG("Switching back to MSG_task_send: %s", to); + MSG_task_send(task, to); + return; + } + + msg_comm_t comm = MSG_task_isend_with_matching(task, to, /*matching madness*/NULL,task); + xbt_dynar_push(globals->isends,&comm); + + if (task->simdata->message_size < 65536) { + /* Close your eyes, it burns ! */ + comm->s_comm->comm.dst_proc = SIMIX_process_get_by_name(action[2]); + comm->s_comm->comm.dst_buff = NULL; + comm->s_comm->comm.dst_buff_size = NULL; + comm->s_comm->comm.dst_data = NULL; + comm->s_comm->state = SIMIX_READY; + comm->s_comm->comm.refcount++; + SIMIX_comm_start(comm->s_comm); + } + + XBT_DEBUG("Isend on %s", MSG_process_get_name(MSG_process_self())); + XBT_VERB("%s %f", xbt_str_join_array(action, " "), MSG_get_clock() - clock); + + asynchronous_cleanup(); +} + +static int task_sent_matching(void*ignored,void*sent_task) { + m_task_t t = (m_task_t)sent_task; + if (t!=NULL && MSG_task_get_data_size(t)<65536) + return 1; /* that's supposed to be already arrived */ + return 0; /* rendez-vous mode: it's not there yet */ +} + +static void action_recv(const char *const *action) +{ + char *name = NULL; + char mailbox_name[250]; + m_task_t task = NULL; + double clock = MSG_get_clock(); + + sprintf(mailbox_name, "%s_%s", action[2], + MSG_process_get_name(MSG_process_self())); + + if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose)) + name = xbt_str_join_array(action, " "); + + /* The next chunk is to deal with the fact that for short messages, + * if the send occurs before the receive, the message is already sent and + * buffered on receiver side when the recv() occurs. + * + * So the next chunk detects this fact and cancel the simix communication instead. + */ + + /* make sure the rdv is created on need by asking to MSG instead of simix directly */ + smx_rdv_t rdv = MSG_mailbox_get_by_alias(mailbox_name); + smx_action_t act = SIMIX_comm_get_send_match(rdv, task_sent_matching, NULL); + if (act!=NULL){ + /* FIXME account for the memcopy time if needed */ + task = act->comm.src_data; + + if (task->simdata->message_size < 65536) { + act->comm.refcount--; /* See action_send for more pain */ + if(act->state == SIMIX_DONE) + SIMIX_comm_finish(act); + else + SIMIX_req_comm_wait(act, -1.0); + return; + } + } + +#ifdef HAVE_TRACING + int rank = get_rank(MSG_process_get_name(MSG_process_self())); + int src_traced = get_rank(action[2]); + TRACE_smpi_ptp_in(rank, src_traced, rank, "recv"); +#endif + + XBT_DEBUG("Receiving: %s", name); + /* Mimic a call to MSG_task_receive(&task, mailbox_name); */ + SIMIX_req_comm_recv(rdv, &task, NULL, NULL, &task, -1.0); + + // MSG_task_receive(&task, MSG_process_get_name(MSG_process_self())); + XBT_VERB("%s %f", name, MSG_get_clock() - clock); + MSG_task_destroy(task); + + if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose)) + free(name); +#ifdef HAVE_TRACING + TRACE_smpi_ptp_out(rank, src_traced, rank, "recv"); + TRACE_smpi_recv(rank, src_traced, rank); +#endif + + asynchronous_cleanup(); +} + +static void action_Irecv(const char *const *action) +{ + char mailbox[250]; + double clock = MSG_get_clock(); + process_globals_t globals = (process_globals_t) MSG_process_get_data(MSG_process_self()); + + XBT_DEBUG("Irecv on %s", MSG_process_get_name(MSG_process_self())); +#ifdef HAVE_TRACING + int rank = get_rank(MSG_process_get_name(MSG_process_self())); + int src_traced = get_rank(action[2]); + globals->last_Irecv_sender_id = src_traced; + MSG_process_set_data(MSG_process_self(), (void *) globals); + + TRACE_smpi_ptp_in(rank, src_traced, rank, "Irecv"); +#endif + + sprintf(mailbox, "%s_%s", action[2], + MSG_process_get_name(MSG_process_self())); + m_task_t t=NULL; + xbt_dynar_push(globals->tasks,&t); + msg_comm_t c = + MSG_task_irecv( + xbt_dynar_get_ptr(globals->tasks, xbt_dynar_length(globals->tasks)-1), + mailbox); + xbt_dynar_push(globals->irecvs,&c); + + XBT_VERB("%s %f", xbt_str_join_array(action, " "), MSG_get_clock() - clock); + +#ifdef HAVE_TRACING + TRACE_smpi_ptp_out(rank, src_traced, rank, "Irecv"); +#endif + + asynchronous_cleanup(); +} + + +static void action_wait(const char *const *action) +{ + char *name = NULL; + m_task_t task = NULL; + msg_comm_t comm; + double clock = MSG_get_clock(); + process_globals_t globals = (process_globals_t) MSG_process_get_data(MSG_process_self()); + + xbt_assert1(xbt_dynar_length(globals->irecvs), + "action wait not preceded by any irecv: %s", xbt_str_join_array(action," ")); + + if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose)) + name = xbt_str_join_array(action, " "); +#ifdef HAVE_TRACING + process_globals_t counters = (process_globals_t) MSG_process_get_data(MSG_process_self()); + int src_traced = counters->last_Irecv_sender_id; + int rank = get_rank(MSG_process_get_name(MSG_process_self())); + TRACE_smpi_ptp_in(rank, src_traced, rank, "wait"); +#endif + + XBT_DEBUG("Entering %s", name); + comm = xbt_dynar_pop_as(globals->irecvs,msg_comm_t); + MSG_comm_wait(comm,-1); + task = xbt_dynar_pop_as(globals->tasks,m_task_t); + MSG_comm_destroy(comm); + MSG_task_destroy(task); + + XBT_VERB("%s %f", name, MSG_get_clock() - clock); + if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose)) + free(name); +#ifdef HAVE_TRACING + TRACE_smpi_ptp_out(rank, src_traced, rank, "wait"); + TRACE_smpi_recv(rank, src_traced, rank); +#endif + +} + +/* FIXME: that's a poor man's implementation: we should take the message exchanges into account */ +static void action_barrier(const char *const *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_array(action, " "); + + if (mutex == NULL) { // first arriving on the barrier + mutex = SIMIX_req_mutex_init(); + cond = SIMIX_req_cond_init(); + processes_arrived_sofar=0; + } + XBT_DEBUG("Entering barrier: %s (%d already there)", name,processes_arrived_sofar); + + SIMIX_req_mutex_lock(mutex); + if (++processes_arrived_sofar == communicator_size) { + SIMIX_req_cond_broadcast(cond); + SIMIX_req_mutex_unlock(mutex); + } else { + SIMIX_req_cond_wait(cond,mutex); + SIMIX_req_mutex_unlock(mutex); + } + + XBT_DEBUG("Exiting barrier: %s", name); + + processes_arrived_sofar--; + if (!processes_arrived_sofar) { + SIMIX_req_cond_destroy(cond); + SIMIX_req_mutex_destroy(mutex); + mutex=NULL; + } + + if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose)) + free(name); + +} + +static void action_reduce(const char *const *action) +{ + int i; + char *reduce_identifier; + char mailbox[80]; + double comm_size = parse_double(action[2]); + double comp_size = parse_double(action[3]); + m_task_t comp_task = NULL; + const char *process_name; + double clock = MSG_get_clock(); + + process_globals_t counters = (process_globals_t) 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()); + + reduce_identifier = bprintf("reduce_%d", counters->reduce_counter++); + + if (!strcmp(process_name, "p0")) { + XBT_DEBUG("%s: %s is the Root", reduce_identifier, process_name); + + msg_comm_t *comms = xbt_new0(msg_comm_t,communicator_size-1); + m_task_t *tasks = xbt_new0(m_task_t,communicator_size-1); + for (i = 1; i < communicator_size; i++) { + sprintf(mailbox, "%s_p%d_p0", reduce_identifier, i); + comms[i-1] = MSG_task_irecv(&(tasks[i-1]),mailbox); + } + MSG_comm_waitall(comms,communicator_size-1,-1); + for (i = 1; i < communicator_size; i++) { + MSG_comm_destroy(comms[i-1]); + MSG_task_destroy(tasks[i-1]); + } + free(tasks); + + comp_task = MSG_task_create("reduce_comp", comp_size, 0, NULL); + XBT_DEBUG("%s: computing 'reduce_comp'", reduce_identifier); + MSG_task_execute(comp_task); + MSG_task_destroy(comp_task); + XBT_DEBUG("%s: computed", reduce_identifier); + + } else { + XBT_DEBUG("%s: %s sends", reduce_identifier, process_name); + sprintf(mailbox, "%s_%s_p0", reduce_identifier, process_name); + XBT_DEBUG("put on %s", mailbox); + MSG_task_send(MSG_task_create(reduce_identifier, 0, comm_size, NULL), + mailbox); + } + + XBT_VERB("%s %f", xbt_str_join_array(action, " "), MSG_get_clock() - clock); + free(reduce_identifier); +} + +static void action_bcast(const char *const *action) +{ + int i; + char *bcast_identifier; + char mailbox[80]; + double comm_size = parse_double(action[2]); m_task_t task = NULL; - INFO1("Receiving: %s",name); - //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); - free(name); -} -static void sleep(xbt_dynar_t action) { - char *name=xbt_str_join(action," "); - char *duration=xbt_dynar_get_as(action,2,char*); - INFO1("sleep: %s",name); - MSG_process_sleep(atoi(duration)); - INFO1("sleept: %s",name); - 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); - free(name); + const char *process_name; + double clock = MSG_get_clock(); + + process_globals_t counters = (process_globals_t) 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()); + + bcast_identifier = bprintf("bcast_%d", counters->bcast_counter++); + + if (!strcmp(process_name, "p0")) { + XBT_DEBUG("%s: %s is the Root", bcast_identifier, process_name); + + msg_comm_t *comms = xbt_new0(msg_comm_t,communicator_size-1); + + for (i = 1; i < communicator_size; i++) { + sprintf(mailbox, "%s_p0_p%d", bcast_identifier, i); + comms[i-1] = + MSG_task_isend(MSG_task_create(mailbox,0,comm_size,NULL), + mailbox); + } + MSG_comm_waitall(comms,communicator_size-1,-1); + for (i = 1; i < communicator_size; i++) + MSG_comm_destroy(comms[i-1]); + free(comms); + + XBT_DEBUG("%s: all messages sent by %s have been received", + bcast_identifier, process_name); + + } else { + sprintf(mailbox, "%s_p0_%s", bcast_identifier, process_name); + MSG_task_receive(&task, mailbox); + MSG_task_destroy(task); + XBT_DEBUG("%s: %s has received", bcast_identifier, process_name); + } + + XBT_VERB("%s %f", xbt_str_join_array(action, " "), MSG_get_clock() - clock); + free(bcast_identifier); +} + + +static void action_sleep(const char *const *action) +{ + char *name = NULL; + const char *duration = action[2]; + double clock = MSG_get_clock(); + + if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose)) + name = xbt_str_join_array(action, " "); + + XBT_DEBUG("Entering %s", name); + MSG_process_sleep(parse_double(duration)); + XBT_VERB("%s %f ", name, MSG_get_clock() - clock); + + if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose)) + free(name); +} + +static void action_allReduce(const char *const *action) { + int i; + char *allreduce_identifier; + char mailbox[80]; + double comm_size = parse_double(action[2]); + double comp_size = parse_double(action[3]); + m_task_t task = NULL, comp_task = NULL; + const char *process_name; + double clock = MSG_get_clock(); + + process_globals_t counters = (process_globals_t) 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()); + + allreduce_identifier = bprintf("allReduce_%d", counters->allReduce_counter++); + + if (!strcmp(process_name, "p0")) { + XBT_DEBUG("%s: %s is the Root", allreduce_identifier, process_name); + + msg_comm_t *comms = xbt_new0(msg_comm_t,communicator_size-1); + m_task_t *tasks = xbt_new0(m_task_t,communicator_size-1); + for (i = 1; i < communicator_size; i++) { + sprintf(mailbox, "%s_p%d_p0", allreduce_identifier, i); + comms[i-1] = MSG_task_irecv(&(tasks[i-1]),mailbox); + } + MSG_comm_waitall(comms,communicator_size-1,-1); + for (i = 1; i < communicator_size; i++) { + MSG_comm_destroy(comms[i-1]); + MSG_task_destroy(tasks[i-1]); + } + free(tasks); + + comp_task = MSG_task_create("allReduce_comp", comp_size, 0, NULL); + XBT_DEBUG("%s: computing 'reduce_comp'", allreduce_identifier); + MSG_task_execute(comp_task); + MSG_task_destroy(comp_task); + XBT_DEBUG("%s: computed", allreduce_identifier); + + for (i = 1; i < communicator_size; i++) { + sprintf(mailbox, "%s_p0_p%d", allreduce_identifier, i); + comms[i-1] = + MSG_task_isend(MSG_task_create(mailbox,0,comm_size,NULL), + mailbox); + } + MSG_comm_waitall(comms,communicator_size-1,-1); + for (i = 1; i < communicator_size; i++) + MSG_comm_destroy(comms[i-1]); + free(comms); + + XBT_DEBUG("%s: all messages sent by %s have been received", + allreduce_identifier, process_name); + + } else { + XBT_DEBUG("%s: %s sends", allreduce_identifier, process_name); + sprintf(mailbox, "%s_%s_p0", allreduce_identifier, process_name); + XBT_DEBUG("put on %s", mailbox); + MSG_task_send(MSG_task_create(allreduce_identifier, 0, comm_size, NULL), + mailbox); + + sprintf(mailbox, "%s_p0_%s", allreduce_identifier, process_name); + MSG_task_receive(&task, mailbox); + MSG_task_destroy(task); + XBT_DEBUG("%s: %s has received", allreduce_identifier, process_name); + } + + XBT_VERB("%s %f", xbt_str_join_array(action, " "), MSG_get_clock() - clock); + free(allreduce_identifier); +} + +static void action_comm_size(const char *const *action) +{ + char *name = NULL; + const char *size = action[2]; + double clock = MSG_get_clock(); + + if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose)) + name = xbt_str_join_array(action, " "); + communicator_size = parse_double(size); + XBT_VERB("%s %f", name, MSG_get_clock() - clock); + if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose)) + free(name); +} + +static void action_compute(const char *const *action) +{ + char *name = NULL; + const char *amout = action[2]; + 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_array(action, " "); + XBT_DEBUG("Entering %s", name); + MSG_task_execute(task); + MSG_task_destroy(task); + XBT_VERB("%s %f", name, MSG_get_clock() - clock); + if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose)) + free(name); +} + +static void action_init(const char *const *action) +{ +#ifdef HAVE_TRACING + TRACE_smpi_init(get_rank(MSG_process_get_name(MSG_process_self()))); +#endif + XBT_DEBUG("Initialize the counters"); + process_globals_t globals = (process_globals_t) calloc(1, sizeof(s_process_globals_t)); + globals->isends = xbt_dynar_new(sizeof(msg_comm_t),NULL); + globals->irecvs = xbt_dynar_new(sizeof(msg_comm_t),NULL); + globals->tasks = xbt_dynar_new(sizeof(m_task_t),NULL); + MSG_process_set_data(MSG_process_self(),globals); + +} + +static void action_finalize(const char *const *action) +{ +#ifdef HAVE_TRACING + TRACE_smpi_finalize(get_rank(MSG_process_get_name(MSG_process_self()))); +#endif + process_globals_t globals = (process_globals_t) MSG_process_get_data(MSG_process_self()); + if (globals){ + xbt_dynar_free_container(&(globals->isends)); + xbt_dynar_free_container(&(globals->irecvs)); + xbt_dynar_free_container(&(globals->tasks)); + free(globals); + } } /** 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); - } +int main(int argc, char *argv[]) +{ + MSG_error_t res = MSG_OK; + + smx_factory_initializer_to_use = SIMIX_ctx_raw_factory_init; + + /* 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]); - /* 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]); - /* 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("init", action_init); + MSG_action_register("finalize", action_finalize); + MSG_action_register("comm_size",action_comm_size); + MSG_action_register("send", action_send); + MSG_action_register("Isend", action_Isend); + MSG_action_register("recv", action_recv); + MSG_action_register("Irecv", action_Irecv); + MSG_action_register("wait", action_wait); + MSG_action_register("barrier", action_barrier); + MSG_action_register("bcast", action_bcast); + MSG_action_register("reduce", action_reduce); + MSG_action_register("allReduce",action_allReduce); + MSG_action_register("sleep", action_sleep); + MSG_action_register("compute", action_compute); - /* 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]); + /* 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(); + XBT_INFO("Simulation time %g", MSG_get_clock()); + MSG_clean(); - if(res==MSG_OK) - return 0; - else - return 1; -} /* end_of_main */ + if (res == MSG_OK) + return 0; + else + return 1; +} /* end_of_main */