-#include <stdio.h>
-
-#include "private.h"
+/* Copyright (c) 2007-2014. The SimGrid Team.
+ * All rights reserved. */
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi,XBT_LOG_ROOT_CAT, "All SMPI categories");
+/* 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. */
-SMPI_Global_t smpi_global = NULL;
-
-void *smpi_request_new()
+#include "private.h"
+#include "smpi_mpi_dt_private.h"
+#include "mc/mc.h"
+#include "xbt/replay.h"
+#include "surf/surf.h"
+#include "simix/smx_private.h"
+#include "simgrid/sg_config.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_os_timer_t timer;
+ MPI_Comm comm_self;
+ void *data; /* user data */
+ int index;
+ char state;
+ int sampling; /* inside an SMPI_SAMPLE_ block? */
+} s_smpi_process_data_t;
+
+static smpi_process_data_t *process_data = NULL;
+static int process_count = 0;
+
+MPI_Comm MPI_COMM_WORLD = MPI_COMM_NULL;
+int MPI_UNIVERSE_SIZE;
+
+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)
{
- smpi_mpi_request_t request = xbt_new(s_smpi_mpi_request_t, 1);
-
- request->completed = 0;
- request->mutex = SIMIX_mutex_init();
- request->cond = SIMIX_cond_init();
-
- return request;
+ snprintf(str, MAILBOX_NAME_MAXLEN, "SMPI-%0*x", (int) (sizeof(int) * 2),
+ index);
+ return str;
}
-void smpi_request_free(void *pointer)
+static char *get_mailbox_name_small(char *str, int index)
{
-
- smpi_mpi_request_t request = pointer;
-
- if (NULL != request) {
- SIMIX_cond_destroy(request->cond);
- SIMIX_mutex_destroy(request->mutex);
- xbt_free(request);
- }
-
- return;
+ snprintf(str, MAILBOX_NAME_MAXLEN, "small%0*x", (int) (sizeof(int) * 2),
+ index);
+ return str;
}
-void smpi_request_reset(void *pointer)
+void smpi_process_init(int *argc, char ***argv)
{
- return;
+ int index;
+ smpi_process_data_t data;
+ smx_process_t proc;
+
+ if (argc && argv) {
+ proc = SIMIX_process_self();
+ index = atoi((*argv)[1]);
+#ifdef SMPI_F2C
+ smpi_current_rank = index;
+#endif
+ data = smpi_process_remote_data(index);
+ simcall_process_set_data(proc, data);
+ if (*argc > 2) {
+ free((*argv)[1]);
+ memmove(&(*argv)[1], &(*argv)[2], sizeof(char *) * (*argc - 2));
+ (*argv)[(*argc) - 1] = NULL;
+ }
+ (*argc)--;
+ 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_message_new()
+void smpi_process_destroy(void)
{
- return xbt_new(s_smpi_received_message_t, 1);
+ int index = smpi_process_index();
+ process_data[index]->state = SMPI_FINALIZED;
+ XBT_DEBUG("<%d> Process left the game", index);
}
-void smpi_message_free(void *pointer)
+/**
+ * @brief Prepares the current process for termination.
+ */
+void smpi_process_finalize(void)
{
- if (NULL != pointer) {
- xbt_free(pointer);
- }
-
- return;
+#if 0
+ // wait for all pending asynchronous comms to finish
+ while (SIMIX_process_has_pending_comms(SIMIX_process_self())) {
+ simcall_process_sleep(0.01);
+ }
+#else
+ int i;
+ int size = smpi_comm_size(MPI_COMM_WORLD);
+ int rank = smpi_comm_rank(MPI_COMM_WORLD);
+ /* All non-root send & receive zero-length message. */
+ if (rank > 0) {
+ smpi_mpi_ssend (NULL, 0, MPI_BYTE, 0,
+ COLL_TAG_BARRIER,
+ MPI_COMM_WORLD);
+ smpi_mpi_recv (NULL, 0, MPI_BYTE, 0,
+ COLL_TAG_BARRIER,
+ MPI_COMM_WORLD, MPI_STATUS_IGNORE);
+ }
+ /* The root collects and broadcasts the messages. */
+ else {
+ MPI_Request* requests;
+ requests = (MPI_Request*)malloc( size * sizeof(MPI_Request) );
+ for (i = 1; i < size; ++i) {
+ requests[i] = smpi_mpi_irecv(NULL, 0, MPI_BYTE, MPI_ANY_SOURCE,
+ COLL_TAG_BARRIER, MPI_COMM_WORLD
+ );
+ }
+ smpi_mpi_waitall( size-1, requests+1, MPI_STATUSES_IGNORE );
+ for (i = 1; i < size; ++i) {
+ requests[i] = smpi_mpi_issend(NULL, 0, MPI_BYTE, i,
+ COLL_TAG_BARRIER,
+ MPI_COMM_WORLD
+ );
+ }
+ smpi_mpi_waitall( size-1, requests+1, MPI_STATUSES_IGNORE );
+ free( requests );
+ }
+#endif
}
-void smpi_message_reset(void *pointer)
+/**
+ * @brief Check if a process is finalized
+ */
+int smpi_process_finalized()
{
- return;
+ int index = smpi_process_index();
+ if (index != MPI_UNDEFINED)
+ return (process_data[index]->state == SMPI_FINALIZED);
+ else
+ return 0;
}
-void smpi_global_init()
+/**
+ * @brief Check if a process is initialized
+ */
+int smpi_process_initialized(void)
{
- int i;
-
- int size = SIMIX_host_get_number();
-
- smpi_global = xbt_new(s_SMPI_Global_t, 1);
-
- // config variable
- smpi_global->reference_speed = SMPI_DEFAULT_SPEED;
-
- smpi_global->root_ready = 0;
- smpi_global->ready_process_count = 0;
-
- // start/stop
- smpi_global->start_stop_mutex = SIMIX_mutex_init();
- smpi_global->start_stop_cond = SIMIX_cond_init();
+ int index = smpi_process_index();
+ return ( (index != MPI_UNDEFINED)
+ && (process_data[index]->state == SMPI_INITIALIZED));
+}
- // processes
- smpi_global->sender_processes = xbt_new(smx_process_t, size);
- smpi_global->receiver_processes = xbt_new(smx_process_t, size);
+/**
+ * @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]->state != SMPI_FINALIZED))
+ process_data[index]->state = SMPI_INITIALIZED;
+}
- // running hosts
- smpi_global->running_hosts_count_mutex = SIMIX_mutex_init();
- smpi_global->running_hosts_count = 0;
- // mallocators
- smpi_global->request_mallocator = xbt_mallocator_new(SMPI_REQUEST_MALLOCATOR_SIZE,
- smpi_request_new, smpi_request_free, smpi_request_reset);
- smpi_global->message_mallocator = xbt_mallocator_new(SMPI_MESSAGE_MALLOCATOR_SIZE,
- smpi_message_new, smpi_message_free, smpi_message_reset);
+#ifdef SMPI_F2C
+int smpi_process_argc(void)
+{
+ smpi_process_data_t data = smpi_process_data();
+ return data->argc ? *(data->argc) - 1 : 0;
+}
- // queues
- smpi_global->pending_send_request_queues = xbt_new(xbt_fifo_t, size);
- smpi_global->pending_send_request_queues_mutexes = xbt_new(smx_mutex_t, size);
- smpi_global->pending_recv_request_queues = xbt_new(xbt_fifo_t, size);
- smpi_global->pending_recv_request_queues_mutexes = xbt_new(smx_mutex_t, size);
- smpi_global->received_message_queues = xbt_new(xbt_fifo_t, size);
- smpi_global->received_message_queues_mutexes = xbt_new(smx_mutex_t, size);
+int smpi_process_getarg(integer * index, char *dst, ftnlen len)
+{
+ smpi_process_data_t data = smpi_process_data();
+ char *arg;
+ ftnlen i;
+
+ if (!data->argc || !data->argv || *index < 1 || *index >= *(data->argc)) {
+ return -1;
+ }
+ arg = (*data->argv)[*index];
+ for (i = 0; i < len && arg[i] != '\0'; i++) {
+ dst[i] = arg[i];
+ }
+ for (; i < len; i++) {
+ dst[i] = ' ';
+ }
+ return 0;
+}
+#endif
- // timers
- smpi_global->timers = xbt_new(xbt_os_timer_t, size);
- smpi_global->timers_mutexes = xbt_new(smx_mutex_t, size);
+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);
+}
- for(i = 0; i < size; i++) {
- smpi_global->pending_send_request_queues[i] = xbt_fifo_new();
- smpi_global->pending_send_request_queues_mutexes[i] = SIMIX_mutex_init();
- smpi_global->pending_recv_request_queues[i] = xbt_fifo_new();
- smpi_global->pending_recv_request_queues_mutexes[i] = SIMIX_mutex_init();
- smpi_global->received_message_queues[i] = xbt_fifo_new();
- smpi_global->received_message_queues_mutexes[i] = SIMIX_mutex_init();
- smpi_global->timers[i] = xbt_os_timer_new();
- smpi_global->timers_mutexes[i] = SIMIX_mutex_init();
- }
+smpi_process_data_t smpi_process_data(void)
+{
+ return SIMIX_process_self_get_data(SIMIX_process_self());
+}
+smpi_process_data_t smpi_process_remote_data(int index)
+{
+ return process_data[index];
}
-void smpi_global_destroy()
+void smpi_process_set_user_data(void *data)
{
- int i;
+ smpi_process_data_t process_data = smpi_process_data();
+ process_data->data = data;
+}
- int size = SIMIX_host_get_number();
+void *smpi_process_get_user_data()
+{
+ smpi_process_data_t process_data = smpi_process_data();
+ return process_data->data;
+}
- // start/stop
- SIMIX_mutex_destroy(smpi_global->start_stop_mutex);
- SIMIX_cond_destroy(smpi_global->start_stop_cond);
+int smpi_process_count(void)
+{
+ return process_count;
+}
- // processes
- xbt_free(smpi_global->sender_processes);
- xbt_free(smpi_global->receiver_processes);
+int smpi_process_index(void)
+{
+ smpi_process_data_t data = smpi_process_data();
+ //return -1 if not initialized
+ return data ? data->index : MPI_UNDEFINED;
+}
- // running hosts
- SIMIX_mutex_destroy(smpi_global->running_hosts_count_mutex);
+smx_rdv_t smpi_process_mailbox(void)
+{
+ smpi_process_data_t data = smpi_process_data();
+ return data->mailbox;
+}
- // mallocators
- xbt_mallocator_free(smpi_global->request_mallocator);
- xbt_mallocator_free(smpi_global->message_mallocator);
+smx_rdv_t smpi_process_mailbox_small(void)
+{
+ smpi_process_data_t data = smpi_process_data();
+ return data->mailbox_small;
+}
- for(i = 0; i < size; i++) {
- xbt_fifo_free(smpi_global->pending_send_request_queues[i]);
- SIMIX_mutex_destroy(smpi_global->pending_send_request_queues_mutexes[i]);
- xbt_fifo_free(smpi_global->pending_recv_request_queues[i]);
- SIMIX_mutex_destroy(smpi_global->pending_recv_request_queues_mutexes[i]);
- xbt_fifo_free(smpi_global->received_message_queues[i]);
- SIMIX_mutex_destroy(smpi_global->received_message_queues_mutexes[i]);
- xbt_os_timer_free(smpi_global->timers[i]);
- SIMIX_mutex_destroy(smpi_global->timers_mutexes[i]);
- }
+smx_rdv_t smpi_process_remote_mailbox(int index)
+{
+ smpi_process_data_t data = smpi_process_remote_data(index);
+ return data->mailbox;
+}
- xbt_free(smpi_global->pending_send_request_queues);
- xbt_free(smpi_global->pending_send_request_queues_mutexes);
- xbt_free(smpi_global->pending_recv_request_queues);
- xbt_free(smpi_global->pending_recv_request_queues_mutexes);
- xbt_free(smpi_global->received_message_queues);
- xbt_free(smpi_global->received_message_queues_mutexes);
- xbt_free(smpi_global->timers);
- xbt_free(smpi_global->timers_mutexes);
- xbt_free(smpi_global);
+smx_rdv_t smpi_process_remote_mailbox_small(int index)
+{
+ smpi_process_data_t data = smpi_process_remote_data(index);
+ return data->mailbox_small;
+}
- smpi_global = NULL;
+xbt_os_timer_t smpi_process_timer(void)
+{
+ smpi_process_data_t data = smpi_process_data();
+ return data->timer;
}
-int smpi_run_simulation(int argc, char **argv)
+void smpi_process_simulated_start(void)
{
- xbt_fifo_item_t cond_item = NULL;
- smx_cond_t cond = NULL;
- xbt_fifo_item_t action_item = NULL;
- smx_action_t action = NULL;
+ smpi_process_data_t data = smpi_process_data();
+ data->simulated = SIMIX_get_clock();
+}
- xbt_fifo_t actions_failed = xbt_fifo_new();
- xbt_fifo_t actions_done = xbt_fifo_new();
+double smpi_process_simulated_elapsed(void)
+{
+ smpi_process_data_t data = smpi_process_data();
+ return SIMIX_get_clock() - data->simulated;
+}
- srand(SMPI_RAND_SEED);
+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);
+ smpi_group_set_mapping(group, smpi_process_index(), 0);
+ }
+
+ return data->comm_self;
+}
- SIMIX_global_init(&argc, argv);
+void smpi_process_set_sampling(int s)
+{
+ smpi_process_data_t data = smpi_process_data();
+ data->sampling = s;
+}
- SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
- SIMIX_function_register("smpi_sender", smpi_sender);
- SIMIX_function_register("smpi_receiver", smpi_receiver);
+int smpi_process_get_sampling(void)
+{
+ smpi_process_data_t data = smpi_process_data();
+ return data->sampling;
+}
- // FIXME: ought to verify these files...
- SIMIX_create_environment(argv[1]);
+void print_request(const char *message, MPI_Request request)
+{
+ XBT_DEBUG
+ ("%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);
+}
- // must initialize globals between creating environment and launching app....
- smpi_global_init();
+static void smpi_comm_copy_buffer_callback(smx_action_t comm,
+ void *buff, size_t buff_size)
+{
+ XBT_DEBUG("Copy the data over");
+ if(_xbt_replay_is_active()) return;
+ void* tmpbuff=buff;
+
+ if((smpi_privatize_global_variables)
+ && ((char*)buff >= start_data_exe)
+ && ((char*)buff < start_data_exe + size_data_exe )
+ ){
+ XBT_WARN("Privatization : We are copying from a zone inside global memory... Saving data to temp buffer !");
+ switch_data_segment(((smpi_process_data_t)SIMIX_process_get_data(comm->comm.src_proc))->index);
+ tmpbuff = (void*)xbt_malloc(buff_size);
+ memcpy(tmpbuff, buff, buff_size);
+ }
+
+
+ if((smpi_privatize_global_variables)
+ && ((char*)comm->comm.dst_buff >= start_data_exe)
+ && ((char*)comm->comm.dst_buff < start_data_exe + size_data_exe )
+ ){
+ XBT_WARN("Privatization : We are copying to a zone inside global memory - Switch data segment");
+ switch_data_segment(((smpi_process_data_t)SIMIX_process_get_data(comm->comm.dst_proc))->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);
- SIMIX_launch_application(argv[2]);
+}
- /* Prepare to display some more info when dying on Ctrl-C pressing */
- // FIXME: doesn't work
- //signal(SIGINT, inthandler);
+void smpi_global_init(void)
+{
+ int i;
+ MPI_Group group;
+ char name[MAILBOX_NAME_MAXLEN];
+
+ SIMIX_comm_set_copy_data_callback(&smpi_comm_copy_buffer_callback);
+ process_count = SIMIX_process_count();
+ process_data = xbt_new(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]->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]->state = SMPI_UNINITIALIZED;
+ process_data[i]->sampling = 0;
+ }
+ group = smpi_group_new(process_count);
+ MPI_COMM_WORLD = smpi_comm_new(group);
+ MPI_UNIVERSE_SIZE = smpi_comm_size(MPI_COMM_WORLD);
+ for (i = 0; i < process_count; i++) {
+ smpi_group_set_mapping(group, i, i);
+ }
+
+ //check correctness of MPI parameters
+
+ xbt_assert(sg_cfg_get_int("smpi/async_small_thres") <=
+ sg_cfg_get_int("smpi/send_is_detached_thres"));
+
+ 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. ");
+ }
+ if(smpi_privatize_global_variables)
+ smpi_initialize_global_memory_segments();
+}
- /* Clean IO before the run */
- fflush(stdout);
- fflush(stderr);
+void smpi_global_destroy(void)
+{
+ int count = smpi_process_count();
+ int i;
+
+ smpi_bench_destroy();
+ while (smpi_group_unuse(smpi_comm_group(MPI_COMM_WORLD)) > 0);
+ xbt_free(MPI_COMM_WORLD);
+ 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);
+ }
+ xbt_os_timer_free(process_data[i]->timer);
+ simcall_rdv_destroy(process_data[i]->mailbox);
+ simcall_rdv_destroy(process_data[i]->mailbox_small);
+ xbt_free(process_data[i]);
+ }
+ xbt_free(process_data);
+ process_data = NULL;
+ if(smpi_privatize_global_variables)
+ smpi_destroy_global_memory_segments();
+ smpi_free_static();
+}
- while (SIMIX_solve(actions_done, actions_failed) != -1.0) {
- xbt_fifo_foreach(actions_failed, action_item, action, smx_action_t) {
- DEBUG1("** %s failed **", action->name);
- xbt_fifo_foreach(action->cond_list, cond_item, cond, smx_cond_t) {
- SIMIX_cond_broadcast(cond);
- }
- }
- xbt_fifo_foreach(actions_done, action_item, action, smx_action_t) {
- DEBUG1("** %s done **",action->name);
- xbt_fifo_foreach(action->cond_list, cond_item, cond, smx_cond_t) {
- SIMIX_cond_broadcast(cond);
- }
- }
- }
+/* Fortran specific stuff */
+/* With smpicc, the following weak symbols are used */
+/* With smpiff, the following weak symbols are replaced by those in libf2c */
+int __attribute__ ((weak)) xargc;
+char ** __attribute__ ((weak)) xargv;
- // FIXME: cleanup incomplete
- xbt_fifo_free(actions_failed);
- xbt_fifo_free(actions_done);
+#ifndef WIN32
+void __attribute__ ((weak)) user_main_()
+{
+ xbt_die("Should not be in this smpi_simulated_main");
+ return;
+}
- INFO1("simulation time %g", SIMIX_get_clock());
+int __attribute__ ((weak)) smpi_simulated_main_(int argc, char **argv)
+{
+ smpi_process_init(&argc, &argv);
+ user_main_();
+ return 0;
+}
- smpi_global_destroy();
+int __attribute__ ((weak)) main(int argc, char **argv)
+{
+ return smpi_main(smpi_simulated_main_, argc, argv);
+}
- SIMIX_clean();
+int __attribute__ ((weak)) MAIN__()
+{
+ return smpi_main(smpi_simulated_main_, xargc, xargv);
+};
+#endif
- return 0;
+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;
+ }
+
+ /* 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 */
+#ifdef HAVE_TRACING
+ XBT_LOG_CONNECT(instr_smpi);
+#endif
+ 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);
+
+#ifdef HAVE_TRACING
+ TRACE_global_init(&argc, argv);
+
+ TRACE_add_start_function(TRACE_smpi_alloc);
+ TRACE_add_end_function(TRACE_smpi_release);
+#endif
+
+ SIMIX_global_init(&argc, argv);
+
+#ifdef HAVE_TRACING
+ TRACE_start();
+#endif
+
+ // parse the platform file: get the host list
+ SIMIX_create_environment(argv[1]);
+
+ SIMIX_function_register_default(realmain);
+ SIMIX_launch_application(argv[2]);
+
+ int gather_id = find_coll_description(mpi_coll_gather_description,
+ sg_cfg_get_string("smpi/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"));
+ 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"));
+ 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"));
+ 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"));
+ 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"));
+ 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"));
+ 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"));
+ 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"));
+ 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"));
+ 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"));
+ 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;
+
+ smpi_global_init();
+
+ /* Clean IO before the run */
+ fflush(stdout);
+ fflush(stderr);
+
+ if (MC_is_active())
+ MC_do_the_modelcheck_for_real();
+ else
+ SIMIX_run();
+
+ if (sg_cfg_get_boolean("smpi/display_timing"))
+ XBT_INFO("Simulation time: %g seconds.", SIMIX_get_clock());
+
+ smpi_global_destroy();
+
+#ifdef HAVE_TRACING
+ TRACE_end();
+#endif
+
+ return 0;
}
