-/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2007-2014. 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 <stdint.h>
+ * 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 "xbt/replay.h"
+#include "surf/surf.h"
+#include "simix/smx_private.h"
+#include "simgrid/sg_config.h"
-XBT_LOG_NEW_CATEGORY(smpi, "All SMPI categories");
+#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 {
- int index;
- xbt_fifo_t pending_sent;
- xbt_fifo_t pending_recv;
- xbt_os_timer_t timer;
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 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)
+{
+ 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;
+ 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_process_destroy(void)
+{
+ int index = smpi_process_index();
+ 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)
+{
+ 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 );
+ }
+
+}
-smpi_process_data_t smpi_process_data(void) {
- return SIMIX_process_get_data(SIMIX_process_self());
+/**
+ * @brief Check if a process is finalized
+ */
+int smpi_process_finalized()
+{
+ int index = smpi_process_index();
+ if (index != MPI_UNDEFINED)
+ return (process_data[index]->state == SMPI_FINALIZED);
+ else
+ return 0;
+}
+
+/**
+ * @brief Check if a process is initialized
+ */
+int smpi_process_initialized(void)
+{
+ int index = smpi_process_index();
+ return ( (index != MPI_UNDEFINED)
+ && (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]->state != SMPI_FINALIZED))
+ process_data[index]->state = SMPI_INITIALIZED;
+}
+
+
+#ifdef SMPI_F2C
+int smpi_process_argc(void)
+{
+ smpi_process_data_t data = smpi_process_data();
+ return data->argc ? *(data->argc) - 1 : 0;
+}
+
+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
-smpi_process_data_t smpi_process_remote_data(int index) {
+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)
+{
+ return SIMIX_process_self_get_data(SIMIX_process_self());
+}
+
+smpi_process_data_t smpi_process_remote_data(int index)
+{
return process_data[index];
}
-int smpi_process_count(void) {
+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) {
+int smpi_process_index(void)
+{
smpi_process_data_t data = smpi_process_data();
+ //return -1 if not initialized
+ return data ? data->index : MPI_UNDEFINED;
+}
- return data->index;
+smx_rdv_t smpi_process_mailbox(void)
+{
+ smpi_process_data_t data = smpi_process_data();
+ return data->mailbox;
}
-xbt_os_timer_t smpi_process_timer(void) {
+smx_rdv_t smpi_process_mailbox_small(void)
+{
smpi_process_data_t data = smpi_process_data();
+ return data->mailbox_small;
+}
- return data->timer;
+smx_rdv_t smpi_process_remote_mailbox(int index)
+{
+ smpi_process_data_t data = smpi_process_remote_data(index);
+ return data->mailbox;
}
-void smpi_process_simulated_start(void) {
- smpi_process_data_t data = smpi_process_data();
- data->simulated = SIMIX_get_clock();
+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_os_timer_t smpi_process_timer(void)
+{
+ smpi_process_data_t data = smpi_process_data();
+ return data->timer;
}
-double smpi_process_simulated_elapsed(void) {
+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) {
+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;
}
-void print_request(const char* message, MPI_Request request) {
- char* req = bprintf("[buf = %p, size = %zu, src = %d, dst = %d, tag= %d, complete = %d, flags = %u]",
- request->buf, request->size, request->src, request->dst, request->tag, request->complete, request->flags);
+void smpi_process_set_sampling(int s)
+{
+ smpi_process_data_t data = smpi_process_data();
+ data->sampling = s;
+}
- DEBUG5("%s (request %p with rdv %p and match %p) %s",
- message, request, request->rdv, request->match, req);
- free(req);
+int smpi_process_get_sampling(void)
+{
+ smpi_process_data_t data = smpi_process_data();
+ return data->sampling;
}
-void smpi_process_post_send(MPI_Comm comm, MPI_Request request) {
- int index = smpi_group_index(smpi_comm_group(comm), request->dst);
- smpi_process_data_t data = smpi_process_remote_data(index);
- xbt_fifo_item_t item;
- MPI_Request req;
-
- print_request("Isend", request);
- xbt_fifo_foreach(data->pending_recv, item, req, MPI_Request) {
- if(req->comm == request->comm
- && (req->src == MPI_ANY_SOURCE || req->src == request->src)
- && (req->tag == MPI_ANY_TAG || req->tag == request->tag)){
- print_request("Match found", req);
- xbt_fifo_remove_item(data->pending_recv, item);
- /* Materialize the *_ANY_* fields from corresponding irecv request */
- req->src = request->src;
- req->tag = request->tag;
- req->match = request;
- request->rdv = req->rdv;
- request->match = req;
- return;
- }
- }
- request->rdv = SIMIX_rdv_create(NULL);
- xbt_fifo_push(data->pending_sent, request);
+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);
}
-void smpi_process_post_recv(MPI_Request request) {
- smpi_process_data_t data = smpi_process_data();
- xbt_fifo_item_t item;
- MPI_Request req;
-
- print_request("Irecv", request);
- xbt_fifo_foreach(data->pending_sent, item, req, MPI_Request) {
- if(req->comm == request->comm
- && (request->src == MPI_ANY_SOURCE || req->src == request->src)
- && (request->tag == MPI_ANY_TAG || req->tag == request->tag)){
- print_request("Match found", req);
- xbt_fifo_remove_item(data->pending_sent, item);
- /* Materialize the *_ANY_* fields from the irecv request */
- req->match = request;
- request->src = req->src;
- request->tag = req->tag;
- request->rdv = req->rdv;
- request->match = req;
- return;
- }
+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;
+ memcpy(comm->comm.dst_buff, buff, 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;
}
- request->rdv = SIMIX_rdv_create(NULL);
- xbt_fifo_push(data->pending_recv, request);
}
-void smpi_global_init(void) {
+void smpi_global_init(void)
+{
int i;
MPI_Group group;
+ char name[MAILBOX_NAME_MAXLEN];
- SIMIX_network_set_copy_data_callback(&SIMIX_network_copy_buffer_callback);
+ 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++) {
+ 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]->pending_sent = xbt_fifo_new();
- process_data[i]->pending_recv = xbt_fifo_new();
+ 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();
- group = smpi_group_new(1);
- process_data[i]->comm_self = smpi_comm_new(group);
- smpi_group_set_mapping(group, i, 0);
+ 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);
- for(i = 0; i < process_count; i++) {
+ 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. ");
+ }
}
-void smpi_global_destroy(void) {
+void smpi_global_destroy(void)
+{
int count = smpi_process_count();
int i;
smpi_bench_destroy();
- smpi_comm_destroy(MPI_COMM_WORLD);
+ 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++) {
- smpi_comm_destroy(process_data[i]->comm_self);
+ 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);
- xbt_fifo_free(process_data[i]->pending_recv);
- xbt_fifo_free(process_data[i]->pending_sent);
+ 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;
+
+ smpi_free_static();
}
-int main(int argc, char **argv)
+/* 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;
+
+#ifndef WIN32
+void __attribute__ ((weak)) user_main_()
{
- srand(SMPI_RAND_SEED);
+ 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;
+}
- double default_reference_speed = 20000.0;
- xbt_cfg_register(&_surf_cfg_set, "smpi/running_power",
- "Power of the host running the simulation (in flop/s). Used to bench the operations.",
- xbt_cfgelm_double, &default_reference_speed, 1, 1, NULL, NULL);
+int __attribute__ ((weak)) main(int argc, char **argv)
+{
+ return smpi_main(smpi_simulated_main_, argc, argv);
+}
- int default_display_timing = 0;
- xbt_cfg_register(&_surf_cfg_set, "smpi/display_timing",
- "Boolean indicating whether we should display the timing after simulation.",
- xbt_cfgelm_int, &default_display_timing, 1, 1, NULL, NULL);
+int __attribute__ ((weak)) MAIN__()
+{
+ return smpi_main(smpi_simulated_main_, xargc, xargv);
+};
+#endif
- int default_display_smpe = 0;
- xbt_cfg_register(&_surf_cfg_set, "smpi/log_events",
- "Boolean indicating whether we should display simulated time spent in MPI calls.",
- xbt_cfgelm_int, &default_display_smpe, 1, 1, NULL, NULL);
+int smpi_main(int (*realmain) (int argc, char *argv[]), int argc, char *argv[])
+{
+ srand(SMPI_RAND_SEED);
- double default_threshold = 1e-6;
- xbt_cfg_register(&_surf_cfg_set, "smpi/cpu_threshold",
- "Minimal computation time (in seconds) not discarded.",
- xbt_cfgelm_double, &default_threshold, 1, 1, NULL, NULL);
+ 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_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_smpi_start ();
+ TRACE_start();
#endif
// parse the platform file: get the host list
SIMIX_create_environment(argv[1]);
- SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
+ 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");
+ if (smpi_cpu_threshold < 0)
+ smpi_cpu_threshold = DBL_MAX;
+
smpi_global_init();
/* Clean IO before the run */
fflush(stdout);
fflush(stderr);
- SIMIX_init();
-#ifdef HAVE_MC
- if (_surf_do_model_check)
- MC_modelcheck(1);
+ if (MC_is_active())
+ MC_do_the_modelcheck_for_real();
else
-#endif
- while (SIMIX_solve(NULL, NULL) != -1.0);
+ SIMIX_run();
- if (xbt_cfg_get_int(_surf_cfg_set, "smpi/display_timing"))
- INFO1("simulation time %g", SIMIX_get_clock());
+ if (sg_cfg_get_boolean("smpi/display_timing"))
+ XBT_INFO("Simulation time: %g seconds.", SIMIX_get_clock());
smpi_global_destroy();
- SIMIX_message_sizes_output("toto.txt");
-
#ifdef HAVE_TRACING
- TRACE_smpi_end ();
+ TRACE_end();
#endif
- SIMIX_clean();
return 0;
}