+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_comm);
+ 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_colls);
+
+#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;
+ smpi_global_init();
+
+ /* Clean IO before the run */
+ fflush(stdout);
+ fflush(stderr);
+
+ if (MC_is_active())
+ MC_modelcheck_safety();
+ 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;