-/* Copyright (c) 2007-2015. 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 "private.h"
-#include "smpi_mpi_dt_private.h"
-#include "mc/mc.h"
-#include "src/mc/mc_record.h"
-#include "xbt/replay.h"
-#include "surf/surf.h"
-#include "src/simix/smx_private.h"
-#include "simgrid/sg_config.h"
-#include "src/mc/mc_replay.h"
-#include "src/msg/msg_private.h"
-
-#include <float.h> /* DBL_MAX */
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_kernel, smpi,
- "Logging specific to SMPI (kernel)");
-
-typedef struct s_smpi_process_data {
- double simulated;
- int *argc;
- char ***argv;
- smx_rdv_t mailbox;
- smx_rdv_t mailbox_small;
- xbt_mutex_t mailboxes_mutex;
- xbt_os_timer_t timer;
- MPI_Comm comm_self;
- MPI_Comm comm_intra;
- MPI_Comm* comm_world;
- void *data; /* user data */
- int index;
- char state;
- int sampling; /* inside an SMPI_SAMPLE_ block? */
- char* instance_id;
- int replaying; /* is the process replaying a trace */
- xbt_bar_t finalization_barrier;
-} s_smpi_process_data_t;
-
-static smpi_process_data_t *process_data = NULL;
-int process_count = 0;
-int smpi_universe_size = 0;
-int* index_to_process_data = NULL;
-extern double smpi_total_benched_time;
-xbt_os_timer_t global_timer;
-MPI_Comm MPI_COMM_WORLD = MPI_COMM_UNINITIALIZED;
-
-MPI_Errhandler *MPI_ERRORS_RETURN = NULL;
-MPI_Errhandler *MPI_ERRORS_ARE_FATAL = NULL;
-MPI_Errhandler *MPI_ERRHANDLER_NULL = NULL;
-
-#define MAILBOX_NAME_MAXLEN (5 + sizeof(int) * 2 + 1)
-
-static char *get_mailbox_name(char *str, int index)
-{
- snprintf(str, MAILBOX_NAME_MAXLEN, "SMPI-%0*x", (int) (sizeof(int) * 2),
- index);
- return str;
-}
-
-static char *get_mailbox_name_small(char *str, int index)
-{
- snprintf(str, MAILBOX_NAME_MAXLEN, "small%0*x", (int) (sizeof(int) * 2),
- index);
- return str;
-}
-
-void smpi_process_init(int *argc, char ***argv)
-{
- int index=-1;
- smpi_process_data_t data;
- smx_process_t proc;
-
- if (argc && argv) {
- proc = SIMIX_process_self();
- //FIXME: dirty cleanup method to avoid using msg cleanup functions on these processes when using MSG+SMPI
- SIMIX_process_set_cleanup_function(proc, SIMIX_process_cleanup);
- char* instance_id = (*argv)[1];
- int rank = atoi((*argv)[2]);
- index = smpi_process_index_of_smx_process(proc);
-
- if(!index_to_process_data){
- index_to_process_data=(int*)xbt_malloc(SIMIX_process_count()*sizeof(int));
- }
-
- if(smpi_privatize_global_variables){
- /* Now using segment index of the process */
- index = proc->segment_index;
- /* Done at the process's creation */
- SMPI_switch_data_segment(index);
- }
-
- MPI_Comm* temp_comm_world;
- xbt_bar_t temp_bar;
- smpi_deployment_register_process(instance_id, rank, index, &temp_comm_world ,&temp_bar);
- data = smpi_process_remote_data(index);
- data->comm_world = temp_comm_world;
- if(temp_bar != NULL) data->finalization_barrier = temp_bar;
- data->index = index;
- data->instance_id = instance_id;
- data->replaying = 0;
- //xbt_free(simcall_process_get_data(proc));
-
- simdata_process_t simdata = simcall_process_get_data(proc);
- simdata->data = data;
-
- if (*argc > 3) {
- free((*argv)[1]);
- memmove(&(*argv)[0], &(*argv)[2], sizeof(char *) * (*argc - 2));
- (*argv)[(*argc) - 1] = NULL;
- (*argv)[(*argc) - 2] = NULL;
- }
- (*argc)-=2;
- data->argc = argc;
- data->argv = argv;
- // set the process attached to the mailbox
- simcall_rdv_set_receiver(data->mailbox_small, proc);
- XBT_DEBUG("<%d> New process in the game: %p", index, proc);
-
- }
- if (smpi_process_data() == NULL)
- xbt_die("smpi_process_data() returned NULL. You probably gave a NULL parameter to MPI_Init. Although it's required by MPI-2, this is currently not supported by SMPI.");
-}
-
-void smpi_process_destroy(void)
-{
- int index = smpi_process_index();
- if(smpi_privatize_global_variables){
- smpi_switch_data_segment(index);
- }
- process_data[index_to_process_data[index]]->state = SMPI_FINALIZED;
- XBT_DEBUG("<%d> Process left the game", index);
-}
-
-/**
- * @brief Prepares the current process for termination.
- */
-void smpi_process_finalize(void)
-{
- // This leads to an explosion of the search graph
- // which cannot be reduced:
- if(MC_is_active() || MC_record_replay_is_active())
- return;
-
- int index = smpi_process_index();
- // wait for all pending asynchronous comms to finish
- xbt_barrier_wait(process_data[index_to_process_data[index]]->finalization_barrier);
-}
-
-/**
- * @brief Check if a process is finalized
- */
-int smpi_process_finalized()
-{
- int index = smpi_process_index();
- if (index != MPI_UNDEFINED)
- return (process_data[index_to_process_data[index]]->state == SMPI_FINALIZED);
- else
- return 0;
-}
-
-/**
- * @brief Check if a process is initialized
- */
-int smpi_process_initialized(void)
-{
- if (!index_to_process_data){
- return false;
- }
- else{
- int index = smpi_process_index();
- return ( (index != MPI_UNDEFINED)
- && (process_data[index_to_process_data[index]]->state == SMPI_INITIALIZED));
- }
-}
-
-/**
- * @brief Mark a process as initialized (=MPI_Init called)
- */
-void smpi_process_mark_as_initialized(void)
-{
- int index = smpi_process_index();
- if ((index != MPI_UNDEFINED) && (process_data[index_to_process_data[index]]->state != SMPI_FINALIZED))
- process_data[index_to_process_data[index]]->state = SMPI_INITIALIZED;
-}
-
-void smpi_process_set_replaying(int value){
- int index = smpi_process_index();
- if ((index != MPI_UNDEFINED) && (process_data[index_to_process_data[index]]->state != SMPI_FINALIZED))
- process_data[index_to_process_data[index]]->replaying = value;
-}
-
-int smpi_process_get_replaying(){
- int index = smpi_process_index();
- if (index != MPI_UNDEFINED)
- return process_data[index_to_process_data[index]]->replaying;
- else return _xbt_replay_is_active();
-}
-
-
-int smpi_global_size(void)
-{
- char *value = getenv("SMPI_GLOBAL_SIZE");
-
- if (!value) {
- fprintf(stderr,
- "Please set env var SMPI_GLOBAL_SIZE to expected number of processes.\n");
- xbt_abort();
- }
- return atoi(value);
-}
-
-smpi_process_data_t smpi_process_data(void)
-{
- simdata_process_t simdata = SIMIX_process_self_get_data(SIMIX_process_self());
- return simdata->data;
-}
-
-smpi_process_data_t smpi_process_remote_data(int index)
-{
- return process_data[index_to_process_data[index]];
-}
-
-void smpi_process_set_user_data(void *data)
-{
- smpi_process_data_t process_data = smpi_process_data();
- process_data->data = data;
-}
-
-void *smpi_process_get_user_data()
-{
- smpi_process_data_t process_data = smpi_process_data();
- return process_data->data;
-}
-
-int smpi_process_count(void)
-{
- return process_count;
-}
-
-int smpi_process_index(void)
-{
- smpi_process_data_t data = smpi_process_data();
- //return -1 if not initialized
- return data ? data->index : MPI_UNDEFINED;
-}
-
-MPI_Comm smpi_process_comm_world(void)
-{
- smpi_process_data_t data = smpi_process_data();
- //return MPI_COMM_NULL if not initialized
- return data ? *data->comm_world : MPI_COMM_NULL;
-}
-
-smx_rdv_t smpi_process_mailbox(void)
-{
- smpi_process_data_t data = smpi_process_data();
- return data->mailbox;
-}
-
-smx_rdv_t smpi_process_mailbox_small(void)
-{
- smpi_process_data_t data = smpi_process_data();
- return data->mailbox_small;
-}
-
-xbt_mutex_t smpi_process_mailboxes_mutex(void)
-{
- smpi_process_data_t data = smpi_process_data();
- return data->mailboxes_mutex;
-}
-
-smx_rdv_t smpi_process_remote_mailbox(int index)
-{
- smpi_process_data_t data = smpi_process_remote_data(index);
- return data->mailbox;
-}
-
-
-smx_rdv_t smpi_process_remote_mailbox_small(int index)
-{
- smpi_process_data_t data = smpi_process_remote_data(index);
- return data->mailbox_small;
-}
-
-xbt_mutex_t smpi_process_remote_mailboxes_mutex(int index)
-{
- smpi_process_data_t data = smpi_process_remote_data(index);
- return data->mailboxes_mutex;
-}
-
-xbt_os_timer_t smpi_process_timer(void)
-{
- smpi_process_data_t data = smpi_process_data();
- return data->timer;
-}
-
-void smpi_process_simulated_start(void)
-{
- smpi_process_data_t data = smpi_process_data();
- data->simulated = SIMIX_get_clock();
-}
-
-double smpi_process_simulated_elapsed(void)
-{
- smpi_process_data_t data = smpi_process_data();
- return SIMIX_get_clock() - data->simulated;
-}
-
-MPI_Comm smpi_process_comm_self(void)
-{
- smpi_process_data_t data = smpi_process_data();
- if(data->comm_self==MPI_COMM_NULL){
- MPI_Group group = smpi_group_new(1);
- data->comm_self = smpi_comm_new(group, NULL);
- smpi_group_set_mapping(group, smpi_process_index(), 0);
- }
-
- return data->comm_self;
-}
-
-MPI_Comm smpi_process_get_comm_intra(void)
-{
- smpi_process_data_t data = smpi_process_data();
- return data->comm_intra;
-}
-
-void smpi_process_set_comm_intra(MPI_Comm comm)
-{
- smpi_process_data_t data = smpi_process_data();
- data->comm_intra = comm;
-}
-
-void smpi_process_set_sampling(int s)
-{
- smpi_process_data_t data = smpi_process_data();
- data->sampling = s;
-}
-
-int smpi_process_get_sampling(void)
-{
- smpi_process_data_t data = smpi_process_data();
- return data->sampling;
-}
-
-
-void print_request(const char *message, MPI_Request request)
-{
- XBT_VERB
- ("%s request %p [buf = %p, size = %zu, src = %d, dst = %d, tag = %d, flags = %x]",
- message, request, request->buf, request->size, request->src,
- request->dst, request->tag, request->flags);
-}
-
-void smpi_comm_copy_buffer_callback(smx_synchro_t comm,
- void *buff, size_t buff_size)
-{
- XBT_DEBUG("Copy the data over");
- void* tmpbuff=buff;
-
- if((smpi_privatize_global_variables)
- && ((char*)buff >= smpi_start_data_exe)
- && ((char*)buff < smpi_start_data_exe + smpi_size_data_exe )
- ){
- XBT_DEBUG("Privatization : We are copying from a zone inside global memory... Saving data to temp buffer !");
- smpi_switch_data_segment(((smpi_process_data_t)(((simdata_process_t)SIMIX_process_get_data(comm->comm.src_proc))->data))->index);
- tmpbuff = (void*)xbt_malloc(buff_size);
- memcpy(tmpbuff, buff, buff_size);
- }
-
-
- if((smpi_privatize_global_variables)
- && ((char*)comm->comm.dst_buff >= smpi_start_data_exe)
- && ((char*)comm->comm.dst_buff < smpi_start_data_exe + smpi_size_data_exe )
- ){
- XBT_DEBUG("Privatization : We are copying to a zone inside global memory - Switch data segment");
- smpi_switch_data_segment(((smpi_process_data_t)(((simdata_process_t)SIMIX_process_get_data(comm->comm.dst_proc))->data))->index);
- }
-
-
- memcpy(comm->comm.dst_buff, tmpbuff, buff_size);
- if (comm->comm.detached) {
- // if this is a detached send, the source buffer was duplicated by SMPI
- // sender to make the original buffer available to the application ASAP
- xbt_free(buff);
- //It seems that the request is used after the call there this should
- //be free somewhereelse but where???
- //xbt_free(comm->comm.src_data);// inside SMPI the request is keep
- //inside the user data and should be free
- comm->comm.src_buff = NULL;
- }
-
- if(tmpbuff!=buff)xbt_free(tmpbuff);
-
-}
-
-
-void smpi_comm_null_copy_buffer_callback(smx_synchro_t comm,
- void *buff, size_t buff_size)
-{
- return;
-}
-
-static void smpi_check_options(){
- //check correctness of MPI parameters
-
- xbt_assert(sg_cfg_get_int("smpi/async_small_thresh") <=
- sg_cfg_get_int("smpi/send_is_detached_thresh"));
-
- if (sg_cfg_is_default_value("smpi/running_power")) {
- XBT_INFO("You did not set the power of the host running the simulation. "
- "The timings will certainly not be accurate. "
- "Use the option \"--cfg=smpi/running_power:<flops>\" to set its value."
- "Check http://simgrid.org/simgrid/latest/doc/options.html#options_smpi_bench for more information.");
- }
-}
-
-int smpi_enabled(void) {
- return process_data != NULL;
-}
-
-void smpi_global_init(void)
-{
- int i;
- MPI_Group group;
- char name[MAILBOX_NAME_MAXLEN];
- int smpirun=0;
-
- if (!MC_is_active()) {
- global_timer = xbt_os_timer_new();
- xbt_os_walltimer_start(global_timer);
- }
- if (process_count == 0){
- process_count = SIMIX_process_count();
- smpirun=1;
- }
- smpi_universe_size = process_count;
- process_data = xbt_new0(smpi_process_data_t, process_count);
- for (i = 0; i < process_count; i++) {
- process_data[i] = xbt_new(s_smpi_process_data_t, 1);
- //process_data[i]->index = i;
- process_data[i]->argc = NULL;
- process_data[i]->argv = NULL;
- process_data[i]->mailbox = simcall_rdv_create(get_mailbox_name(name, i));
- process_data[i]->mailbox_small =
- simcall_rdv_create(get_mailbox_name_small(name, i));
- process_data[i]->mailboxes_mutex = xbt_mutex_init();
- process_data[i]->timer = xbt_os_timer_new();
- if (MC_is_active())
- MC_ignore_heap(process_data[i]->timer, xbt_os_timer_size());
- process_data[i]->comm_self = MPI_COMM_NULL;
- process_data[i]->comm_intra = MPI_COMM_NULL;
- process_data[i]->comm_world = NULL;
- process_data[i]->state = SMPI_UNINITIALIZED;
- process_data[i]->sampling = 0;
- process_data[i]->finalization_barrier = NULL;
- }
- //if the process was launched through smpirun script
- //we generate a global mpi_comm_world
- //if not, we let MPI_COMM_NULL, and the comm world
- //will be private to each mpi instance
- if(smpirun){
- group = smpi_group_new(process_count);
- MPI_COMM_WORLD = smpi_comm_new(group, NULL);
- MPI_Attr_put(MPI_COMM_WORLD, MPI_UNIVERSE_SIZE, (void *)(MPI_Aint)process_count);
- xbt_bar_t bar=xbt_barrier_init(process_count);
-
- for (i = 0; i < process_count; i++) {
- smpi_group_set_mapping(group, i, i);
- process_data[i]->finalization_barrier = bar;
- }
- }
-}
-
-void smpi_global_destroy(void)
-{
- int count = smpi_process_count();
- int i;
-
- smpi_bench_destroy();
- if (MPI_COMM_WORLD != MPI_COMM_UNINITIALIZED){
- while (smpi_group_unuse(smpi_comm_group(MPI_COMM_WORLD)) > 0);
- xbt_free(MPI_COMM_WORLD);
- xbt_barrier_destroy(process_data[0]->finalization_barrier);
- }else{
- smpi_deployment_cleanup_instances();
- }
- MPI_COMM_WORLD = MPI_COMM_NULL;
- for (i = 0; i < count; i++) {
- if(process_data[i]->comm_self!=MPI_COMM_NULL){
- smpi_group_unuse(smpi_comm_group(process_data[i]->comm_self));
- smpi_comm_destroy(process_data[i]->comm_self);
- }
- if(process_data[i]->comm_intra!=MPI_COMM_NULL){
- smpi_group_unuse(smpi_comm_group(process_data[i]->comm_intra));
- smpi_comm_destroy(process_data[i]->comm_intra);
- }
- xbt_os_timer_free(process_data[i]->timer);
- simcall_rdv_destroy(process_data[i]->mailbox);
- simcall_rdv_destroy(process_data[i]->mailbox_small);
- xbt_mutex_destroy(process_data[i]->mailboxes_mutex);
- xbt_free(process_data[i]);
- }
- xbt_free(process_data);
- process_data = NULL;
-
- xbt_free(index_to_process_data);
- if(smpi_privatize_global_variables)
- smpi_destroy_global_memory_segments();
- smpi_free_static();
-}
-
-#ifndef WIN32
-void __attribute__ ((weak)) user_main_()
-{
- xbt_die("Should not be in this smpi_simulated_main");
- return;
-}
-
-int __attribute__ ((weak)) smpi_simulated_main_(int argc, char **argv)
-{
- smpi_process_init(&argc, &argv);
- user_main_();
- return 0;
-}
-
-int __attribute__ ((weak)) main(int argc, char **argv)
-{
- return smpi_main(smpi_simulated_main_, argc, argv);
-}
-
-#endif
-
-static void smpi_init_logs(){
-
- /* Connect log categories. See xbt/log.c */
- XBT_LOG_CONNECT(smpi); /* Keep this line as soon as possible in this
- function: xbt_log_appender_file.c depends on it
- DO NOT connect this in XBT or so, or it will be
- useless to xbt_log_appender_file.c */
- XBT_LOG_CONNECT(instr_smpi);
- XBT_LOG_CONNECT(smpi_base);
- XBT_LOG_CONNECT(smpi_bench);
- XBT_LOG_CONNECT(smpi_coll);
- XBT_LOG_CONNECT(smpi_colls);
- XBT_LOG_CONNECT(smpi_comm);
- XBT_LOG_CONNECT(smpi_dvfs);
- XBT_LOG_CONNECT(smpi_group);
- XBT_LOG_CONNECT(smpi_kernel);
- XBT_LOG_CONNECT(smpi_mpi);
- XBT_LOG_CONNECT(smpi_mpi_dt);
- XBT_LOG_CONNECT(smpi_pmpi);
- XBT_LOG_CONNECT(smpi_replay);
- XBT_LOG_CONNECT(smpi_rma);
-
-}
-
-
-static void smpi_init_options(){
- int gather_id = find_coll_description(mpi_coll_gather_description,
- sg_cfg_get_string("smpi/gather"),"gather");
- mpi_coll_gather_fun = (int (*)(void *, int, MPI_Datatype,
- void *, int, MPI_Datatype, int, MPI_Comm))
- mpi_coll_gather_description[gather_id].coll;
-
- int allgather_id = find_coll_description(mpi_coll_allgather_description,
- sg_cfg_get_string("smpi/allgather"),"allgather");
- mpi_coll_allgather_fun = (int (*)(void *, int, MPI_Datatype,
- void *, int, MPI_Datatype, MPI_Comm))
- mpi_coll_allgather_description[allgather_id].coll;
-
- int allgatherv_id = find_coll_description(mpi_coll_allgatherv_description,
- sg_cfg_get_string("smpi/allgatherv"),"allgatherv");
- mpi_coll_allgatherv_fun = (int (*)(void *, int, MPI_Datatype, void *, int *,
- int *, MPI_Datatype, MPI_Comm))
- mpi_coll_allgatherv_description[allgatherv_id].coll;
-
- int allreduce_id = find_coll_description(mpi_coll_allreduce_description,
- sg_cfg_get_string("smpi/allreduce"),"allreduce");
- mpi_coll_allreduce_fun = (int (*)(void *sbuf, void *rbuf, int rcount,
- MPI_Datatype dtype, MPI_Op op,
- MPI_Comm comm))
- mpi_coll_allreduce_description[allreduce_id].coll;
-
- int alltoall_id = find_coll_description(mpi_coll_alltoall_description,
- sg_cfg_get_string("smpi/alltoall"),"alltoall");
- mpi_coll_alltoall_fun = (int (*)(void *, int, MPI_Datatype,
- void *, int, MPI_Datatype, MPI_Comm))
- mpi_coll_alltoall_description[alltoall_id].coll;
-
- int alltoallv_id = find_coll_description(mpi_coll_alltoallv_description,
- sg_cfg_get_string("smpi/alltoallv"),"alltoallv");
- mpi_coll_alltoallv_fun = (int (*)(void *, int *, int *, MPI_Datatype,
- void *, int *, int *, MPI_Datatype,
- MPI_Comm))
- mpi_coll_alltoallv_description[alltoallv_id].coll;
-
- int bcast_id = find_coll_description(mpi_coll_bcast_description,
- sg_cfg_get_string("smpi/bcast"),"bcast");
- mpi_coll_bcast_fun = (int (*)(void *buf, int count, MPI_Datatype datatype,
- int root, MPI_Comm com))
- mpi_coll_bcast_description[bcast_id].coll;
-
- int reduce_id = find_coll_description(mpi_coll_reduce_description,
- sg_cfg_get_string("smpi/reduce"),"reduce");
- mpi_coll_reduce_fun = (int (*)(void *buf, void *rbuf, int count,
- MPI_Datatype datatype, MPI_Op op,
- int root, MPI_Comm comm))
- mpi_coll_reduce_description[reduce_id].coll;
-
- int reduce_scatter_id =
- find_coll_description(mpi_coll_reduce_scatter_description,
- sg_cfg_get_string("smpi/reduce_scatter"),"reduce_scatter");
- mpi_coll_reduce_scatter_fun = (int (*)(void *sbuf, void *rbuf, int *rcounts,
- MPI_Datatype dtype, MPI_Op op,
- MPI_Comm comm))
- mpi_coll_reduce_scatter_description[reduce_scatter_id].coll;
-
- int scatter_id = find_coll_description(mpi_coll_scatter_description,
- sg_cfg_get_string("smpi/scatter"),"scatter");
- mpi_coll_scatter_fun = (int (*)(void *sendbuf, int sendcount,
- MPI_Datatype sendtype, void *recvbuf,
- int recvcount, MPI_Datatype recvtype,
- int root, MPI_Comm comm))
- mpi_coll_scatter_description[scatter_id].coll;
-
- int barrier_id = find_coll_description(mpi_coll_barrier_description,
- sg_cfg_get_string("smpi/barrier"),"barrier");
- mpi_coll_barrier_fun = (int (*)(MPI_Comm comm))
- mpi_coll_barrier_description[barrier_id].coll;
-
- smpi_cpu_threshold = sg_cfg_get_double("smpi/cpu_threshold");
- smpi_running_power = sg_cfg_get_double("smpi/running_power");
- smpi_privatize_global_variables = sg_cfg_get_boolean("smpi/privatize_global_variables");
- if (smpi_cpu_threshold < 0)
- smpi_cpu_threshold = DBL_MAX;
-
-}
-
-int smpi_main(int (*realmain) (int argc, char *argv[]), int argc, char *argv[])
-{
- srand(SMPI_RAND_SEED);
-
- if (getenv("SMPI_PRETEND_CC") != NULL) {
- /* Hack to ensure that smpicc can pretend to be a simple
- * compiler. Particularly handy to pass it to the configuration tools */
- return 0;
- }
-
- smpi_init_logs();
-
- TRACE_global_init(&argc, argv);
-
- TRACE_add_start_function(TRACE_smpi_alloc);
- TRACE_add_end_function(TRACE_smpi_release);
-
- SIMIX_global_init(&argc, argv);
- MSG_init(&argc,argv);
-
- SMPI_switch_data_segment = smpi_switch_data_segment;
-
- smpi_init_options();
-
- // parse the platform file: get the host list
- SIMIX_create_environment(argv[1]);
- SIMIX_comm_set_copy_data_callback(&smpi_comm_copy_buffer_callback);
- SIMIX_function_register_default(realmain);
- SIMIX_launch_application(argv[2]);
-
- smpi_global_init();
-
- smpi_check_options();
-
- if(smpi_privatize_global_variables)
- smpi_initialize_global_memory_segments();
-
- /* Clean IO before the run */
- fflush(stdout);
- fflush(stderr);
-
- if (MC_is_active()) {
- MC_run();
- } else {
-
- SIMIX_run();
-
- xbt_os_walltimer_stop(global_timer);
- if (sg_cfg_get_boolean("smpi/display_timing")){
- double global_time = xbt_os_timer_elapsed(global_timer);
- XBT_INFO("Simulated time: %g seconds. \n\n"
- "The simulation took %g seconds (after parsing and platform setup)\n"
- "%g seconds were actual computation of the application"
- , SIMIX_get_clock(), global_time , smpi_total_benched_time);
-
- if (smpi_total_benched_time/global_time>=0.75)
- XBT_INFO("More than 75%% of the time was spent inside the application code.\n"
- "You may want to use sampling functions or trace replay to reduce this.");
- }
- }
-
- smpi_global_destroy();
-
- TRACE_end();
-
- return 0;
-}
-
-// This function can be called from extern file, to initialize logs, options, and processes of smpi
-// without the need of smpirun
-void SMPI_init(){
- smpi_init_logs();
- smpi_init_options();
- smpi_global_init();
- smpi_check_options();
- if (TRACE_is_enabled() && TRACE_is_configured())
- TRACE_smpi_alloc();
- if(smpi_privatize_global_variables)
- smpi_initialize_global_memory_segments();
-}
-
-void SMPI_finalize(){
- smpi_global_destroy();
-}
