static int local_setup(void) { int ret; char *error = NULL; int value; orte_proc_t *proc; orte_node_t *node; orte_app_context_t *app; /* initialize the global list of local children and job data */ OBJ_CONSTRUCT(&orte_local_children, opal_list_t); OBJ_CONSTRUCT(&orte_local_jobdata, opal_list_t); /* determine the topology info */ if (0 == orte_default_num_sockets_per_board) { /* we weren't given a number, so try to determine it */ if (OPAL_SUCCESS != opal_paffinity_base_get_socket_info(&value)) { /* can't get any info - default to 1 */ value = 1; } orte_default_num_sockets_per_board = (uint8_t)value; } if (0 == orte_default_num_cores_per_socket) { /* we weren't given a number, so try to determine it */ if (OPAL_SUCCESS != opal_paffinity_base_get_core_info(0, &value)) { /* don't have topo info - can we at least get #processors? */ if (OPAL_SUCCESS != opal_paffinity_base_get_processor_info(&value)) { /* can't get any info - default to 1 */ value = 1; } } orte_default_num_cores_per_socket = (uint8_t)value; } /* setup the global job and node arrays */ orte_job_data = OBJ_NEW(opal_pointer_array_t); if (ORTE_SUCCESS != (ret = opal_pointer_array_init(orte_job_data, 1, ORTE_GLOBAL_ARRAY_MAX_SIZE, 1))) { ORTE_ERROR_LOG(ret); error = "setup job array"; goto error; } orte_node_pool = OBJ_NEW(opal_pointer_array_t); if (ORTE_SUCCESS != (ret = opal_pointer_array_init(orte_node_pool, ORTE_GLOBAL_ARRAY_BLOCK_SIZE, ORTE_GLOBAL_ARRAY_MAX_SIZE, ORTE_GLOBAL_ARRAY_BLOCK_SIZE))) { ORTE_ERROR_LOG(ret); error = "setup node array"; goto error; } /* Setup the job data object for the daemons */ /* create and store the job data object */ daemons = OBJ_NEW(orte_job_t); daemons->jobid = ORTE_PROC_MY_NAME->jobid; daemons->name = strdup("ORCM DVM"); daemons->instance = strdup(ORTE_JOBID_PRINT(ORTE_PROC_MY_NAME->jobid)); /* create an app */ app = OBJ_NEW(orte_app_context_t); app->app = strdup("orcmd"); opal_argv_append_nosize(&app->argv, "orcmd"); /* add to the daemon job - always must be an app for a job */ opal_pointer_array_add(daemons->apps, app); /* setup the daemon map so it knows how to map them */ daemons->map = OBJ_NEW(orte_job_map_t); daemons->map->policy = ORTE_MAPPING_BYNODE; /* save it */ opal_pointer_array_set_item(orte_job_data, 0, daemons); /* ensure our mapping policy will utilize any VM */ ORTE_ADD_MAPPING_POLICY(ORTE_MAPPING_USE_VM); /* use bynode mapping by default */ ORTE_ADD_MAPPING_POLICY(ORTE_MAPPING_BYNODE); /* create and store a node object where we are */ node = OBJ_NEW(orte_node_t); node->name = strdup(orte_process_info.nodename); node->slots = 1; /* min number */ node->slots_alloc = node->slots; node->index = ORTE_PROC_MY_NAME->vpid; opal_pointer_array_set_item(orte_node_pool, ORTE_PROC_MY_NAME->vpid, node); /* create and store a proc object for us */ proc = OBJ_NEW(orte_proc_t); proc->name.jobid = ORTE_PROC_MY_NAME->jobid; proc->name.vpid = ORTE_PROC_MY_NAME->vpid; proc->pid = orte_process_info.pid; proc->state = ORTE_PROC_STATE_RUNNING; OBJ_RETAIN(node); /* keep accounting straight */ proc->node = node; proc->nodename = node->name; opal_pointer_array_set_item(daemons->procs, proc->name.vpid, proc); /* record that the daemon (i.e., us) is on this node * NOTE: we do not add the proc object to the node's * proc array because we are not an application proc. * Instead, we record it in the daemon field of the * node object */ OBJ_RETAIN(proc); /* keep accounting straight */ node->daemon = proc; node->daemon_launched = true; node->state = ORTE_NODE_STATE_UP; /* record that the daemon job is running */ daemons->num_procs = 1; daemons->state = ORTE_JOB_STATE_RUNNING; /* open and setup the opal_pstat framework so we can provide * process stats if requested */ if (ORTE_SUCCESS != (ret = opal_pstat_base_open())) { ORTE_ERROR_LOG(ret); error = "opal_pstat_base_open"; goto error; } if (ORTE_SUCCESS != (ret = opal_pstat_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_pstat_base_select"; goto error; } /* open and setup the local resource discovery framework */ if (ORTE_SUCCESS != (ret = opal_sysinfo_base_open())) { ORTE_ERROR_LOG(ret); error = "opal_sysinfo_base_open"; goto error; } if (ORTE_SUCCESS != (ret = opal_sysinfo_base_select())) { ORTE_ERROR_LOG(ret); error = "opal_sysinfo_base_select"; goto error; } /* Setup the communication infrastructure */ /* Runtime Messaging Layer - this opens/selects the OOB as well */ if (ORTE_SUCCESS != (ret = orte_rml_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_rml_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_rml_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_rml_base_select"; goto error; } /* Routed system */ if (ORTE_SUCCESS != (ret = orte_routed_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_routed_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_routed_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_routed_base_select"; goto error; } /* multicast */ if (ORTE_SUCCESS != (ret = orte_rmcast_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_rmcast_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_rmcast_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_rmcast_base_select"; goto error; } /* Open/select the odls */ if (ORTE_SUCCESS != (ret = orte_odls_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_odls_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_odls_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_odls_base_select"; goto error; } /* enable communication with the rml */ if (ORTE_SUCCESS != (ret = orte_rml.enable_comm())) { ORTE_ERROR_LOG(ret); error = "orte_rml.enable_comm"; goto error; } /* insert our contact info into our process_info struct so we * have it for later use and set the local daemon field to our name */ orte_process_info.my_daemon_uri = orte_rml.get_contact_info(); ORTE_PROC_MY_DAEMON->jobid = ORTE_PROC_MY_NAME->jobid; ORTE_PROC_MY_DAEMON->vpid = ORTE_PROC_MY_NAME->vpid; proc->rml_uri = orte_rml.get_contact_info(); /* setup the pnp framework */ if (ORCM_SUCCESS != (ret = orcm_pnp_base_open())) { error = "pnp_open"; goto error; } if (ORCM_SUCCESS != (ret = orcm_pnp_base_select())) { error = "pnp_select"; goto error; } /* setup the leader framework */ if (ORCM_SUCCESS != (ret = orcm_leader_base_open())) { error = "leader_open"; goto error; } if (ORCM_SUCCESS != (ret = orcm_leader_base_select())) { error = "leader_select"; goto error; } /* set the communication function */ orte_comm = orte_global_comm; /* update the routing tree */ if (ORTE_SUCCESS != (ret = orte_routed.update_routing_tree())) { ORTE_ERROR_LOG(ret); error = "failed to update routing tree"; goto error; } /* setup the routed info - the selected routed component * will know what to do. */ if (ORTE_SUCCESS != (ret = orte_routed.init_routes(ORTE_PROC_MY_NAME->jobid, NULL))) { ORTE_ERROR_LOG(ret); error = "orte_routed.init_routes"; goto error; } /* open/select the errmgr - do this after the daemon job * has been defined so that the errmgr can get that * job object */ if (ORTE_SUCCESS != (ret = orte_errmgr_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_errmgr_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_errmgr_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_errmgr_base_select"; goto error; } /* We actually do *not* want an orcm to voluntarily yield() the processor more than necessary. orcm already blocks when it is doing nothing, so it doesn't use any more CPU cycles than it should; but when it *is* doing something, we do not want it to be unnecessarily delayed because it voluntarily yielded the processor in the middle of its work. For example: when a message arrives at orcm, we want the OS to wake us up in a timely fashion (which most OS's seem good about doing) and then we want orcm to process the message as fast as possible. If orcm yields and lets aggressive applications get the processor back, it may be a long time before the OS schedules orcm to run again (particularly if there is no IO event to wake it up). Hence, routed OOB messages (for example) may be significantly delayed before being delivered to processes, which can be problematic in some scenarios */ opal_progress_set_yield_when_idle(false); /* Change the default behavior of libevent such that we want to continually block rather than blocking for the default timeout and then looping around the progress engine again. There should be nothing in the orcmd that cannot block in libevent until "something" happens (i.e., there's no need to keep cycling through progress because the only things that should happen will happen in libevent). This is a minor optimization, but what the heck... :-) */ opal_progress_set_event_flag(OPAL_EVLOOP_ONCE); /* setup the primary daemon command receive function */ ret = orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD, ORTE_RML_TAG_DAEMON, ORTE_RML_NON_PERSISTENT, orte_daemon_recv, NULL); if (ret != ORTE_SUCCESS && ret != ORTE_ERR_NOT_IMPLEMENTED) { ORTE_ERROR_LOG(ret); error = "daemon_recv"; goto error; } /* output a message indicating we are alive, our name, and our pid * for debugging purposes */ if (orte_debug_daemons_flag) { fprintf(stderr, "%s checking in as pid %ld on host %s\n", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), (long)orte_process_info.pid, orte_process_info.nodename); } /* listen for termination cmds */ if (ORCM_SUCCESS != (ret = orcm_pnp.register_receive("orcm", "0.1", "alpha", ORCM_PNP_SYS_CHANNEL, ORCM_PNP_TAG_TERMINATE, vm_term, NULL))) { error = "orcm recv"; goto error; } if (ORCM_SUCCESS != (ret = orcm_pnp.register_receive("orcm-stop", "0.1", "alpha", ORCM_PNP_SYS_CHANNEL, ORCM_PNP_TAG_TERMINATE, vm_term, NULL))) { error = "orcm-stop recv"; goto error; } /* register to catch vm commands requests */ if (ORCM_SUCCESS != (ret = orcm_pnp.register_receive("orcm-sched", "0.1", "alpha", ORCM_PNP_SYS_CHANNEL, ORCM_PNP_TAG_COMMAND, vm_cmd, NULL))) { error = "orcm-sched recv"; goto error; } /* listen for state data requests */ if (ORCM_SUCCESS != (ret = orcm_pnp.register_receive("orcm-sched", "0.1", "alpha", ORCM_PNP_SYS_CHANNEL, ORCM_PNP_TAG_BOOTSTRAP, recv_contact, NULL))) { error = "contact recv"; goto error; } /* setup the SENSOR framework */ if (ORTE_SUCCESS != (ret = orte_sensor_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_sensor_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_sensor_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_sensor_select"; goto error; } /* announce our existence - this carries with it our rml uri and * our local node system info */ if (ORCM_SUCCESS != (ret = orcm_pnp.announce("ORCMD", "0.1", "alpha", vm_tracker))) { ORTE_ERROR_LOG(ret); error = "announce"; goto error; } return ORTE_SUCCESS; error: orte_show_help("help-orte-runtime.txt", "orte_init:startup:internal-failure", true, error, ORTE_ERROR_NAME(ret), ret); return ret; }
static int rte_init(void) { int ret; char *error = NULL; char *contact_path, *jobfam_dir; orte_job_t *jdata; orte_node_t *node; orte_proc_t *proc; int value; /* initialize the global list of local children and job data */ OBJ_CONSTRUCT(&orte_local_children, opal_list_t); OBJ_CONSTRUCT(&orte_local_jobdata, opal_list_t); /* run the prolog */ if (ORTE_SUCCESS != (ret = orte_ess_base_std_prolog())) { error = "orte_ess_base_std_prolog"; goto error; } /* determine the topology info */ if (0 == orte_default_num_sockets_per_board) { /* we weren't given a number, so try to determine it */ if (OPAL_SUCCESS != opal_paffinity_base_get_socket_info(&value)) { /* can't get any info - default to 1 */ value = 1; } orte_default_num_sockets_per_board = (uint8_t)value; } if (0 == orte_default_num_cores_per_socket) { /* we weren't given a number, so try to determine it */ if (OPAL_SUCCESS != (ret = opal_paffinity_base_get_core_info(0, &value))) { /* don't have topo info - can we at least get #processors? */ if (OPAL_SUCCESS != opal_paffinity_base_get_processor_info(&value)) { /* can't get any info - default to 1 */ value = 1; } } orte_default_num_cores_per_socket = (uint8_t)value; } /* if we are using xml for output, put an mpirun start tag */ if (orte_xml_output) { fprintf(orte_xml_fp, "<mpirun>\n"); fflush(orte_xml_fp); } /* open and setup the opal_pstat framework so we can provide * process stats if requested */ if (ORTE_SUCCESS != (ret = opal_pstat_base_open())) { ORTE_ERROR_LOG(ret); error = "opal_pstat_base_open"; goto error; } if (ORTE_SUCCESS != (ret = opal_pstat_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_pstat_base_select"; goto error; } /* open and setup the local resource discovery framework */ if (ORTE_SUCCESS != (ret = opal_sysinfo_base_open())) { ORTE_ERROR_LOG(ret); error = "opal_sysinfo_base_open"; goto error; } if (ORTE_SUCCESS != (ret = opal_sysinfo_base_select())) { ORTE_ERROR_LOG(ret); error = "opal_sysinfo_base_select"; goto error; } /* Since we are the HNP, then responsibility for * defining the name falls to the PLM component for our * respective environment - hence, we have to open the PLM * first and select that component. */ if (ORTE_SUCCESS != (ret = orte_plm_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_plm_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_plm_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_plm_base_select"; goto error; } if (ORTE_SUCCESS != (ret = orte_plm.set_hnp_name())) { ORTE_ERROR_LOG(ret); error = "orte_plm_set_hnp_name"; goto error; } /* Setup the communication infrastructure */ /* * Runtime Messaging Layer */ if (ORTE_SUCCESS != (ret = orte_rml_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_rml_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_rml_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_rml_base_select"; goto error; } /* * Routed system */ if (ORTE_SUCCESS != (ret = orte_routed_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_routed_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_routed_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_routed_base_select"; goto error; } /* * Group communications */ if (ORTE_SUCCESS != (ret = orte_grpcomm_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_grpcomm_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_grpcomm_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_grpcomm_base_select"; goto error; } /* multicast */ #if ORTE_ENABLE_MULTICAST if (ORTE_SUCCESS != (ret = orte_rmcast_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_rmcast_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_rmcast_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_rmcast_base_select"; goto error; } #endif /* Now provide a chance for the PLM * to perform any module-specific init functions. This * needs to occur AFTER the communications are setup * as it may involve starting a non-blocking recv */ if (ORTE_SUCCESS != (ret = orte_plm.init())) { ORTE_ERROR_LOG(ret); error = "orte_plm_init"; goto error; } /* * Setup the remaining resource * management and errmgr frameworks - application procs * and daemons do not open these frameworks as they only use * the hnp proxy support in the PLM framework. */ if (ORTE_SUCCESS != (ret = orte_ras_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_ras_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_ras_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_ras_base_find_available"; goto error; } if (ORTE_SUCCESS != (ret = orte_rmaps_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_rmaps_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_rmaps_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_rmaps_base_find_available"; goto error; } if (ORTE_SUCCESS != (ret = orte_errmgr_base_open())) { error = "orte_errmgr_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_errmgr_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_errmgr_base_select"; goto error; } /* Open/select the odls */ if (ORTE_SUCCESS != (ret = orte_odls_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_odls_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_odls_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_odls_base_select"; goto error; } /* enable communication with the rml */ if (ORTE_SUCCESS != (ret = orte_rml.enable_comm())) { ORTE_ERROR_LOG(ret); error = "orte_rml.enable_comm"; goto error; } /* we are an hnp, so update the contact info field for later use */ orte_process_info.my_hnp_uri = orte_rml.get_contact_info(); /* we are also officially a daemon, so better update that field too */ orte_process_info.my_daemon_uri = orte_rml.get_contact_info(); #if !ORTE_DISABLE_FULL_SUPPORT /* setup the orte_show_help system to recv remote output */ ret = orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD, ORTE_RML_TAG_SHOW_HELP, ORTE_RML_NON_PERSISTENT, orte_show_help_recv, NULL); if (ret != ORTE_SUCCESS && ret != ORTE_ERR_NOT_IMPLEMENTED) { ORTE_ERROR_LOG(ret); error = "setup receive for orte_show_help"; goto error; } #endif /* setup my session directory */ OPAL_OUTPUT_VERBOSE((2, orte_debug_output, "%s setting up session dir with\n\ttmpdir: %s\n\thost %s", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), (NULL == orte_process_info.tmpdir_base) ? "UNDEF" : orte_process_info.tmpdir_base, orte_process_info.nodename)); if (ORTE_SUCCESS != (ret = orte_session_dir(true, orte_process_info.tmpdir_base, orte_process_info.nodename, NULL, ORTE_PROC_MY_NAME))) { ORTE_ERROR_LOG(ret); error = "orte_session_dir"; goto error; } /* Once the session directory location has been established, set the opal_output hnp file location to be in the proc-specific session directory. */ opal_output_set_output_file_info(orte_process_info.proc_session_dir, "output-", NULL, NULL); /* save my contact info in a file for others to find */ jobfam_dir = opal_dirname(orte_process_info.job_session_dir); contact_path = opal_os_path(false, jobfam_dir, "contact.txt", NULL); free(jobfam_dir); OPAL_OUTPUT_VERBOSE((2, orte_debug_output, "%s writing contact file %s", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), contact_path)); if (ORTE_SUCCESS != (ret = orte_write_hnp_contact_file(contact_path))) { OPAL_OUTPUT_VERBOSE((2, orte_debug_output, "%s writing contact file failed with error %s", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), ORTE_ERROR_NAME(ret))); } else { OPAL_OUTPUT_VERBOSE((2, orte_debug_output, "%s wrote contact file", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME))); } free(contact_path); /* setup the global job and node arrays */ orte_job_data = OBJ_NEW(opal_pointer_array_t); if (ORTE_SUCCESS != (ret = opal_pointer_array_init(orte_job_data, 1, ORTE_GLOBAL_ARRAY_MAX_SIZE, 1))) { ORTE_ERROR_LOG(ret); error = "setup job array"; goto error; } orte_node_pool = OBJ_NEW(opal_pointer_array_t); if (ORTE_SUCCESS != (ret = opal_pointer_array_init(orte_node_pool, ORTE_GLOBAL_ARRAY_BLOCK_SIZE, ORTE_GLOBAL_ARRAY_MAX_SIZE, ORTE_GLOBAL_ARRAY_BLOCK_SIZE))) { ORTE_ERROR_LOG(ret); error = "setup node array"; goto error; } /* Setup the job data object for the daemons */ /* create and store the job data object */ jdata = OBJ_NEW(orte_job_t); jdata->jobid = ORTE_PROC_MY_NAME->jobid; opal_pointer_array_set_item(orte_job_data, 0, jdata); /* create and store a node object where we are */ node = OBJ_NEW(orte_node_t); node->name = strdup(orte_process_info.nodename); node->index = opal_pointer_array_add(orte_node_pool, node); /* create and store a proc object for us */ proc = OBJ_NEW(orte_proc_t); proc->name.jobid = ORTE_PROC_MY_NAME->jobid; proc->name.vpid = ORTE_PROC_MY_NAME->vpid; proc->pid = orte_process_info.pid; proc->rml_uri = orte_rml.get_contact_info(); proc->state = ORTE_PROC_STATE_RUNNING; OBJ_RETAIN(node); /* keep accounting straight */ proc->node = node; proc->nodename = node->name; opal_pointer_array_add(jdata->procs, proc); /* record that the daemon (i.e., us) is on this node * NOTE: we do not add the proc object to the node's * proc array because we are not an application proc. * Instead, we record it in the daemon field of the * node object */ OBJ_RETAIN(proc); /* keep accounting straight */ node->daemon = proc; node->daemon_launched = true; node->state = ORTE_NODE_STATE_UP; /* record that the daemon job is running */ jdata->num_procs = 1; jdata->state = ORTE_JOB_STATE_RUNNING; /* setup the routed info - the selected routed component * will know what to do. */ if (ORTE_SUCCESS != (ret = orte_routed.init_routes(ORTE_PROC_MY_NAME->jobid, NULL))) { ORTE_ERROR_LOG(ret); error = "orte_routed.init_routes"; goto error; } /* setup I/O forwarding system - must come after we init routes */ if (ORTE_SUCCESS != (ret = orte_iof_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_iof_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_iof_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_iof_base_select"; goto error; } /* setup the FileM */ if (ORTE_SUCCESS != (ret = orte_filem_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_filem_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_filem_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_filem_base_select"; goto error; } #if OPAL_ENABLE_FT_CR == 1 /* * Setup the SnapC */ if (ORTE_SUCCESS != (ret = orte_snapc_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_snapc_base_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_snapc_base_select(ORTE_PROC_IS_HNP, !ORTE_PROC_IS_DAEMON))) { ORTE_ERROR_LOG(ret); error = "orte_snapc_base_select"; goto error; } /* For HNP, ORTE doesn't need the OPAL CR stuff */ opal_cr_set_enabled(false); #else opal_cr_set_enabled(false); #endif /* * Initalize the CR setup * Note: Always do this, even in non-FT builds. * If we don't some user level tools may hang. */ if (ORTE_SUCCESS != (ret = orte_cr_init())) { ORTE_ERROR_LOG(ret); error = "orte_cr_init"; goto error; } /* setup the notifier system */ if (ORTE_SUCCESS != (ret = orte_notifier_base_open())) { ORTE_ERROR_LOG(ret); error = "orte_notifer_open"; goto error; } if (ORTE_SUCCESS != (ret = orte_notifier_base_select())) { ORTE_ERROR_LOG(ret); error = "orte_notifer_select"; goto error; } /* if a tool has launched us and is requesting event reports, * then set its contact info into the comm system */ if (orte_report_events) { if (ORTE_SUCCESS != (ret = orte_util_comm_connect_tool(orte_report_events_uri))) { error = "could not connect to tool"; goto error; } } /* We actually do *not* want an HNP to voluntarily yield() the processor more than necessary. Orterun already blocks when it is doing nothing, so it doesn't use any more CPU cycles than it should; but when it *is* doing something, we do not want it to be unnecessarily delayed because it voluntarily yielded the processor in the middle of its work. For example: when a message arrives at orterun, we want the OS to wake us up in a timely fashion (which most OS's seem good about doing) and then we want orterun to process the message as fast as possible. If orterun yields and lets aggressive MPI applications get the processor back, it may be a long time before the OS schedules orterun to run again (particularly if there is no IO event to wake it up). Hence, routed OOB messages (for example) may be significantly delayed before being delivered to MPI processes, which can be problematic in some scenarios (e.g., COMM_SPAWN, BTL's that require OOB messages for wireup, etc.). */ opal_progress_set_yield_when_idle(false); return ORTE_SUCCESS; error: if (ORTE_ERR_SILENT != ret) { orte_show_help("help-orte-runtime.txt", "orte_init:startup:internal-failure", true, error, ORTE_ERROR_NAME(ret), ret); } /* cleanup the global list of local children and job data */ OBJ_DESTRUCT(&orte_local_children); OBJ_DESTRUCT(&orte_local_jobdata); return ret; }