static int rte_init(void)
{
int ret;
char *error = NULL;
char **hosts = NULL;
/* run the prolog */
if (ORTE_SUCCESS != (ret = orte_ess_base_std_prolog())) {
error = "orte_ess_base_std_prolog";
goto error;
}
/* Start by getting a unique name from the enviro */
env_set_name();
/* if I am a daemon, complete my setup using the
* default procedure
*/
if (ORTE_PROC_IS_DAEMON) {
if (NULL != orte_node_regex) {
/* extract the nodes */
if (ORTE_SUCCESS != (ret = orte_regex_extract_node_names(orte_node_regex, &hosts))) {
error = "orte_regex_extract_node_names";
goto error;
}
}
if (ORTE_SUCCESS != (ret = orte_ess_base_orted_setup(hosts))) {
ORTE_ERROR_LOG(ret);
error = "orte_ess_base_orted_setup";
goto error;
}
opal_argv_free(hosts);
return ORTE_SUCCESS;
}
if (ORTE_PROC_IS_TOOL) {
/* otherwise, if I am a tool proc, use that procedure */
if (ORTE_SUCCESS != (ret = orte_ess_base_tool_setup())) {
ORTE_ERROR_LOG(ret);
error = "orte_ess_base_tool_setup";
goto error;
}
/* as a tool, I don't need a nidmap - so just return now */
return ORTE_SUCCESS;
}
/* otherwise, I must be an application process - use
* the default procedure to finish my setup
*/
if (ORTE_SUCCESS != (ret = orte_ess_base_app_setup())) {
ORTE_ERROR_LOG(ret);
error = "orte_ess_base_app_setup";
goto error;
}
/* if data was provided, update the database */
if (ORTE_SUCCESS != (ret = orte_util_nidmap_init(orte_process_info.sync_buf))) {
ORTE_ERROR_LOG(ret);
error = "orte_util_nidmap_init";
goto error;
}
/* setup process binding */
if (ORTE_SUCCESS != (ret = orte_ess_base_proc_binding())) {
error = "proc_binding";
goto error;
}
return ORTE_SUCCESS;
error:
if (ORTE_ERR_SILENT != ret && !orte_report_silent_errors) {
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 **hosts = NULL;
/* run the prolog */
if (ORTE_SUCCESS != (ret = orte_ess_base_std_prolog())) {
error = "orte_ess_base_std_prolog";
goto error;
}
/* Start by getting a unique name from the enviro */
env_set_name();
/* if I am a daemon, complete my setup using the
* default procedure
*/
if (ORTE_PROC_IS_DAEMON) {
if (NULL != orte_node_regex) {
/* extract the nodes */
if (ORTE_SUCCESS != (ret = orte_regex_extract_node_names(orte_node_regex, &hosts))) {
error = "orte_regex_extract_node_names";
goto error;
}
}
if (ORTE_SUCCESS != (ret = orte_ess_base_orted_setup(hosts))) {
ORTE_ERROR_LOG(ret);
error = "orte_ess_base_orted_setup";
goto error;
}
opal_argv_free(hosts);
return ORTE_SUCCESS;
}
if (ORTE_PROC_IS_TOOL) {
/* otherwise, if I am a tool proc, use that procedure */
if (ORTE_SUCCESS != (ret = orte_ess_base_tool_setup())) {
ORTE_ERROR_LOG(ret);
error = "orte_ess_base_tool_setup";
goto error;
}
/* as a tool, I don't need a nidmap - so just return now */
return ORTE_SUCCESS;
}
/* use the default procedure to finish my setup */
if (ORTE_SUCCESS != (ret = orte_ess_base_app_setup(true))) {
ORTE_ERROR_LOG(ret);
error = "orte_ess_base_app_setup";
goto error;
}
/* if data was provided, update the database */
if (ORTE_SUCCESS != (ret = orte_util_nidmap_init(orte_process_info.sync_buf))) {
ORTE_ERROR_LOG(ret);
error = "orte_util_nidmap_init";
goto error;
}
/* setup process binding */
if (ORTE_SUCCESS != (ret = orte_ess_base_proc_binding())) {
error = "proc_binding";
goto error;
}
/* if we are an ORTE app - and not an MPI app - then
* we need to exchange our connection info here.
* MPI_Init has its own modex, so we don't need to do
* two of them. However, if we don't do a modex at all,
* then processes have no way to communicate
*
* NOTE: only do this when the process originally launches.
* Cannot do this on a restart as the rest of the processes
* in the job won't be executing this step, so we would hang
*/
if (ORTE_PROC_IS_NON_MPI && !orte_do_not_barrier) {
orte_grpcomm_collective_t coll;
OBJ_CONSTRUCT(&coll, orte_grpcomm_collective_t);
coll.id = orte_process_info.peer_modex;
coll.active = true;
if (ORTE_SUCCESS != (ret = orte_grpcomm.modex(&coll))) {
ORTE_ERROR_LOG(ret);
error = "orte modex";
goto error;
}
ORTE_WAIT_FOR_COMPLETION(coll.active);
OBJ_DESTRUCT(&coll);
}
return ORTE_SUCCESS;
error:
if (ORTE_ERR_SILENT != ret && !orte_report_silent_errors) {
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 *envar, *ev1, *ev2;
uint64_t unique_key[2];
char *string_key;
char *rmluri;
opal_value_t *kv;
char *val;
int u32, *u32ptr;
uint16_t u16, *u16ptr;
char **peers=NULL, *mycpuset, **cpusets=NULL;
opal_process_name_t name;
size_t i;
/* run the prolog */
if (ORTE_SUCCESS != (ret = orte_ess_base_std_prolog())) {
error = "orte_ess_base_std_prolog";
goto error;
}
/* get an async event base - we use the opal_async one so
* we don't startup extra threads if not needed */
orte_event_base = opal_progress_thread_init(NULL);
progress_thread_running = true;
/* open and setup pmix */
if (OPAL_SUCCESS != (ret = mca_base_framework_open(&opal_pmix_base_framework, 0))) {
ORTE_ERROR_LOG(ret);
/* we cannot run */
error = "pmix init";
goto error;
}
if (OPAL_SUCCESS != (ret = opal_pmix_base_select())) {
/* we cannot run */
error = "pmix init";
goto error;
}
/* set the event base */
opal_pmix_base_set_evbase(orte_event_base);
/* initialize the selected module */
if (!opal_pmix.initialized() && (OPAL_SUCCESS != (ret = opal_pmix.init()))) {
/* we cannot run */
error = "pmix init";
goto error;
}
u32ptr = &u32;
u16ptr = &u16;
/**** THE FOLLOWING ARE REQUIRED VALUES ***/
/* pmix.init set our process name down in the OPAL layer,
* so carry it forward here */
ORTE_PROC_MY_NAME->jobid = OPAL_PROC_MY_NAME.jobid;
ORTE_PROC_MY_NAME->vpid = OPAL_PROC_MY_NAME.vpid;
/* get our local rank from PMI */
OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_LOCAL_RANK,
ORTE_PROC_MY_NAME, &u16ptr, OPAL_UINT16);
if (OPAL_SUCCESS != ret) {
error = "getting local rank";
goto error;
}
orte_process_info.my_local_rank = u16;
/* get our node rank from PMI */
OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_NODE_RANK,
ORTE_PROC_MY_NAME, &u16ptr, OPAL_UINT16);
if (OPAL_SUCCESS != ret) {
error = "getting node rank";
goto error;
}
orte_process_info.my_node_rank = u16;
/* get max procs */
OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_MAX_PROCS,
ORTE_PROC_MY_NAME, &u32ptr, OPAL_UINT32);
if (OPAL_SUCCESS != ret) {
error = "getting max procs";
goto error;
}
orte_process_info.max_procs = u32;
/* get job size */
OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_JOB_SIZE,
ORTE_PROC_MY_NAME, &u32ptr, OPAL_UINT32);
if (OPAL_SUCCESS != ret) {
error = "getting job size";
goto error;
}
orte_process_info.num_procs = u32;
/* push into the environ for pickup in MPI layer for
* MPI-3 required info key
*/
if (NULL == getenv(OPAL_MCA_PREFIX"orte_ess_num_procs")) {
asprintf(&ev1, OPAL_MCA_PREFIX"orte_ess_num_procs=%d", orte_process_info.num_procs);
putenv(ev1);
added_num_procs = true;
}
if (NULL == getenv("OMPI_APP_CTX_NUM_PROCS")) {
asprintf(&ev2, "OMPI_APP_CTX_NUM_PROCS=%d", orte_process_info.num_procs);
putenv(ev2);
added_app_ctx = true;
}
/* get our app number from PMI - ok if not found */
OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_APPNUM,
ORTE_PROC_MY_NAME, &u32ptr, OPAL_UINT32);
if (OPAL_SUCCESS == ret) {
orte_process_info.app_num = u32;
} else {
orte_process_info.app_num = 0;
}
/* get the number of local peers - required for wireup of
* shared memory BTL */
OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_LOCAL_SIZE,
ORTE_PROC_MY_NAME, &u32ptr, OPAL_UINT32);
if (OPAL_SUCCESS == ret) {
orte_process_info.num_local_peers = u32 - 1; // want number besides ourselves
} else {
orte_process_info.num_local_peers = 0;
}
/* setup transport keys in case the MPI layer needs them -
* we can use the jobfam and stepid as unique keys
* because they are unique values assigned by the RM
*/
if (NULL == getenv(OPAL_MCA_PREFIX"orte_precondition_transports")) {
unique_key[0] = ORTE_JOB_FAMILY(ORTE_PROC_MY_NAME->jobid);
unique_key[1] = ORTE_LOCAL_JOBID(ORTE_PROC_MY_NAME->jobid);
if (NULL == (string_key = orte_pre_condition_transports_print(unique_key))) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
opal_output_verbose(2, orte_ess_base_framework.framework_output,
"%s transport key %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), string_key);
asprintf(&envar, OPAL_MCA_PREFIX"orte_precondition_transports=%s", string_key);
putenv(envar);
added_transport_keys = true;
/* cannot free the envar as that messes up our environ */
free(string_key);
}
/* retrieve our topology */
val = NULL;
OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_LOCAL_TOPO,
ORTE_PROC_MY_NAME, &val, OPAL_STRING);
if (OPAL_SUCCESS == ret && NULL != val) {
/* load the topology */
if (0 != hwloc_topology_init(&opal_hwloc_topology)) {
ret = OPAL_ERROR;
free(val);
error = "setting topology";
goto error;
}
if (0 != hwloc_topology_set_xmlbuffer(opal_hwloc_topology, val, strlen(val))) {
ret = OPAL_ERROR;
free(val);
hwloc_topology_destroy(opal_hwloc_topology);
error = "setting topology";
goto error;
}
/* since we are loading this from an external source, we have to
* explicitly set a flag so hwloc sets things up correctly
*/
if (0 != hwloc_topology_set_flags(opal_hwloc_topology,
(HWLOC_TOPOLOGY_FLAG_IS_THISSYSTEM |
HWLOC_TOPOLOGY_FLAG_WHOLE_SYSTEM |
HWLOC_TOPOLOGY_FLAG_IO_DEVICES))) {
ret = OPAL_ERROR;
hwloc_topology_destroy(opal_hwloc_topology);
free(val);
error = "setting topology";
goto error;
}
/* now load the topology */
if (0 != hwloc_topology_load(opal_hwloc_topology)) {
ret = OPAL_ERROR;
hwloc_topology_destroy(opal_hwloc_topology);
free(val);
error = "setting topology";
goto error;
}
free(val);
/* filter the cpus thru any default cpu set */
if (OPAL_SUCCESS != (ret = opal_hwloc_base_filter_cpus(opal_hwloc_topology))) {
error = "filtering topology";
goto error;
}
} else {
/* it wasn't passed down to us, so go get it */
if (OPAL_SUCCESS != (ret = opal_hwloc_base_get_topology())) {
error = "topology discovery";
goto error;
}
/* push it into the PMIx database in case someone
* tries to retrieve it so we avoid an attempt to
* get it again */
kv = OBJ_NEW(opal_value_t);
kv->key = strdup(OPAL_PMIX_LOCAL_TOPO);
kv->type = OPAL_STRING;
if (0 != (ret = hwloc_topology_export_xmlbuffer(opal_hwloc_topology, &kv->data.string, &u32))) {
error = "topology export";
goto error;
}
if (OPAL_SUCCESS != (ret = opal_pmix.store_local(ORTE_PROC_MY_NAME, kv))) {
error = "topology store";
goto error;
}
OBJ_RELEASE(kv);
}
/* get our local peers */
if (0 < orte_process_info.num_local_peers) {
/* if my local rank if too high, then that's an error */
if (orte_process_info.num_local_peers < orte_process_info.my_local_rank) {
ret = ORTE_ERR_BAD_PARAM;
error = "num local peers";
goto error;
}
/* retrieve the local peers */
OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_LOCAL_PEERS,
ORTE_PROC_MY_NAME, &val, OPAL_STRING);
if (OPAL_SUCCESS == ret && NULL != val) {
peers = opal_argv_split(val, ',');
free(val);
/* and their cpusets, if available */
OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_LOCAL_CPUSETS, ORTE_PROC_MY_NAME, &val, OPAL_STRING);
if (OPAL_SUCCESS == ret && NULL != val) {
cpusets = opal_argv_split(val, ':');
free(val);
} else {
cpusets = NULL;
}
} else {
peers = NULL;
cpusets = NULL;
}
} else {
peers = NULL;
cpusets = NULL;
}
/* set the locality */
if (NULL != peers) {
/* indentify our cpuset */
if (NULL != cpusets) {
mycpuset = cpusets[orte_process_info.my_local_rank];
} else {
mycpuset = NULL;
}
name.jobid = ORTE_PROC_MY_NAME->jobid;
for (i=0; NULL != peers[i]; i++) {
kv = OBJ_NEW(opal_value_t);
kv->key = strdup(OPAL_PMIX_LOCALITY);
kv->type = OPAL_UINT16;
name.vpid = strtoul(peers[i], NULL, 10);
if (name.vpid == ORTE_PROC_MY_NAME->vpid) {
/* we are fully local to ourselves */
u16 = OPAL_PROC_ALL_LOCAL;
} else if (NULL == mycpuset || NULL == cpusets[i] ||
0 == strcmp(cpusets[i], "UNBOUND")) {
/* all we can say is that it shares our node */
u16 = OPAL_PROC_ON_CLUSTER | OPAL_PROC_ON_CU | OPAL_PROC_ON_NODE;
} else {
/* we have it, so compute the locality */
u16 = opal_hwloc_base_get_relative_locality(opal_hwloc_topology, mycpuset, cpusets[i]);
}
OPAL_OUTPUT_VERBOSE((1, orte_ess_base_framework.framework_output,
"%s ess:pmi:locality: proc %s locality %x",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(&name), u16));
kv->data.uint16 = u16;
ret = opal_pmix.store_local(&name, kv);
if (OPAL_SUCCESS != ret) {
error = "local store of locality";
opal_argv_free(peers);
opal_argv_free(cpusets);
goto error;
}
OBJ_RELEASE(kv);
}
opal_argv_free(peers);
opal_argv_free(cpusets);
}
/* now that we have all required info, complete the setup */
if (ORTE_SUCCESS != (ret = orte_ess_base_app_setup(false))) {
ORTE_ERROR_LOG(ret);
error = "orte_ess_base_app_setup";
goto error;
}
/* setup process binding */
if (ORTE_SUCCESS != (ret = orte_ess_base_proc_binding())) {
error = "proc_binding";
goto error;
}
/* this needs to be set to enable debugger use when direct launched */
if (NULL == orte_process_info.my_daemon_uri) {
orte_standalone_operation = true;
}
/* set max procs */
if (orte_process_info.max_procs < orte_process_info.num_procs) {
orte_process_info.max_procs = orte_process_info.num_procs;
}
/*** PUSH DATA FOR OTHERS TO FIND ***/
/* push our RML URI in case others need to talk directly to us */
rmluri = orte_rml.get_contact_info();
/* push it out for others to use */
OPAL_MODEX_SEND_VALUE(ret, OPAL_PMIX_GLOBAL, OPAL_PMIX_PROC_URI, rmluri, OPAL_STRING);
if (ORTE_SUCCESS != ret) {
error = "pmix put uri";
goto error;
}
free(rmluri);
/* push our hostname so others can find us, if they need to */
OPAL_MODEX_SEND_VALUE(ret, OPAL_PMIX_GLOBAL, OPAL_PMIX_HOSTNAME, orte_process_info.nodename, OPAL_STRING);
if (ORTE_SUCCESS != ret) {
error = "db store hostname";
goto error;
}
/* if we are an ORTE app - and not an MPI app - then
* we need to exchange our connection info here.
* MPI_Init has its own modex, so we don't need to do
* two of them. However, if we don't do a modex at all,
* then processes have no way to communicate
*
* NOTE: only do this when the process originally launches.
* Cannot do this on a restart as the rest of the processes
* in the job won't be executing this step, so we would hang
*/
if (ORTE_PROC_IS_NON_MPI && !orte_do_not_barrier) {
opal_pmix.fence(NULL, 0);
}
return ORTE_SUCCESS;
error:
if (!progress_thread_running) {
/* can't send the help message, so ensure it
* comes out locally
*/
orte_show_help_finalize();
}
if (ORTE_ERR_SILENT != ret && !orte_report_silent_errors) {
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 *envar, *ev1, *ev2;
uint64_t unique_key[2];
char *string_key;
char *rmluri;
opal_value_t *kv, kvn;
opal_list_t vals;
/* run the prolog */
if (ORTE_SUCCESS != (ret = orte_ess_base_std_prolog())) {
error = "orte_ess_base_std_prolog";
goto error;
}
/* we don't have to call pmix.init because the pmix select did it */
/**** THE FOLLOWING ARE REQUIRED VALUES ***/
/* get our jobid from PMI */
if (!opal_pmix.get_attr(PMIX_JOBID, &kv)) {
error = "getting jobid";
ret = ORTE_ERR_NOT_FOUND;
goto error;
}
ORTE_PROC_MY_NAME->jobid = kv->data.uint32;
OBJ_RELEASE(kv);
/* get our global rank from PMI */
if (!opal_pmix.get_attr(PMIX_RANK, &kv)) {
error = "getting rank";
ret = ORTE_ERR_NOT_FOUND;
goto error;
}
ORTE_PROC_MY_NAME->vpid = kv->data.uint32;
OBJ_RELEASE(kv);
/* get our local rank from PMI */
if (!opal_pmix.get_attr(PMIX_LOCAL_RANK, &kv)) {
error = "getting local rank";
ret = ORTE_ERR_NOT_FOUND;
goto error;
}
orte_process_info.my_local_rank = (orte_local_rank_t)kv->data.uint16;
OBJ_RELEASE(kv);
/* get our node rank from PMI */
if (!opal_pmix.get_attr(PMIX_NODE_RANK, &kv)) {
error = "getting node rank";
ret = ORTE_ERR_NOT_FOUND;
goto error;
}
orte_process_info.my_node_rank = (orte_local_rank_t)kv->data.uint16;
/* get universe size */
if (!opal_pmix.get_attr(PMIX_UNIV_SIZE, &kv)) {
error = "getting univ size";
ret = ORTE_ERR_NOT_FOUND;
goto error;
}
orte_process_info.num_procs = kv->data.uint32;
OBJ_RELEASE(kv);
/* push into the environ for pickup in MPI layer for
* MPI-3 required info key
*/
if (NULL == getenv(OPAL_MCA_PREFIX"orte_ess_num_procs")) {
asprintf(&ev1, OPAL_MCA_PREFIX"orte_ess_num_procs=%d", orte_process_info.num_procs);
putenv(ev1);
added_num_procs = true;
}
if (NULL == getenv("OMPI_APP_CTX_NUM_PROCS")) {
asprintf(&ev2, "OMPI_APP_CTX_NUM_PROCS=%d", orte_process_info.num_procs);
putenv(ev2);
added_app_ctx = true;
}
/* get our app number from PMI - ok if not found */
if (opal_pmix.get_attr(PMIX_APPNUM, &kv)) {
orte_process_info.app_num = kv->data.uint32;
OBJ_RELEASE(kv);
} else {
orte_process_info.app_num = 0;
}
/* get the number of local peers - required for wireup of
* shared memory BTL */
if (opal_pmix.get_attr(PMIX_LOCAL_SIZE, &kv)) {
orte_process_info.num_local_peers = kv->data.uint32 - 1; // want number besides ourselves
OBJ_RELEASE(kv);
} else {
orte_process_info.num_local_peers = 0;
}
/* setup transport keys in case the MPI layer needs them -
* we can use the jobfam and stepid as unique keys
* because they are unique values assigned by the RM
*/
if (NULL == getenv(OPAL_MCA_PREFIX"orte_precondition_transports")) {
unique_key[0] = ORTE_JOB_FAMILY(ORTE_PROC_MY_NAME->jobid);
unique_key[1] = ORTE_LOCAL_JOBID(ORTE_PROC_MY_NAME->jobid);
if (NULL == (string_key = orte_pre_condition_transports_print(unique_key))) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
asprintf(&envar, OPAL_MCA_PREFIX"orte_precondition_transports=%s", string_key);
putenv(envar);
added_transport_keys = true;
/* cannot free the envar as that messes up our environ */
free(string_key);
}
#if OPAL_HAVE_HWLOC
/* if it wasn't passed down to us, get the topology */
if (NULL == opal_hwloc_topology) {
if (OPAL_SUCCESS != (ret = opal_hwloc_base_get_topology())) {
error = "topology discovery";
goto error;
}
}
#endif
/* we don't need to force the routed system to pick the
* "direct" component as that should happen automatically
* in those cases where we are direct launched (i.e., no
* HNP is defined in the environment */
/* now that we have all required info, complete the setup */
if (ORTE_SUCCESS != (ret = orte_ess_base_app_setup(false))) {
ORTE_ERROR_LOG(ret);
error = "orte_ess_base_app_setup";
goto error;
}
/* setup process binding */
if (ORTE_SUCCESS != (ret = orte_ess_base_proc_binding())) {
error = "proc_binding";
goto error;
}
/* this needs to be set to enable debugger use when direct launched */
if (NULL == orte_process_info.my_daemon_uri) {
orte_standalone_operation = true;
}
/* set max procs */
if (orte_process_info.max_procs < orte_process_info.num_procs) {
orte_process_info.max_procs = orte_process_info.num_procs;
}
/*** PUSH DATA FOR OTHERS TO FIND ***/
/* if we are direct launched, then push our RML URI - there
* is no need to do so when launched by mpirun as all apps
* communicate thru their local daemon */
if (orte_standalone_operation) {
OBJ_CONSTRUCT(&vals, opal_list_t);
if (OPAL_SUCCESS != opal_dstore.fetch(opal_dstore_internal, &OPAL_PROC_MY_NAME,
OPAL_DSTORE_URI, &vals)) {
/* construct the RTE string */
rmluri = orte_rml.get_contact_info();
/* push it out for others to use */
OBJ_CONSTRUCT(&kvn, opal_value_t);
kvn.key = strdup(OPAL_DSTORE_URI);
kvn.type = OPAL_STRING;
kvn.data.string = strdup(rmluri);
if (ORTE_SUCCESS != (ret = opal_pmix.put(PMIX_GLOBAL, &kvn))) {
error = "db store uri";
OBJ_DESTRUCT(&kvn);
goto error;
}
OBJ_DESTRUCT(&kvn);
free(rmluri);
}
OPAL_LIST_DESTRUCT(&vals);
}
/* push our hostname so others can find us, if they need to */
OBJ_CONSTRUCT(&kvn, opal_value_t);
kvn.key = strdup(OPAL_DSTORE_HOSTNAME);
kvn.type = OPAL_STRING;
kvn.data.string = strdup(orte_process_info.nodename);
if (ORTE_SUCCESS != (ret = opal_pmix.put(PMIX_GLOBAL, &kvn))) {
error = "db store hostname";
OBJ_DESTRUCT(&kvn);
goto error;
}
OBJ_DESTRUCT(&kvn);
/* if our local rank was not provided by the system, then
* push our local rank so others can access it */
OBJ_CONSTRUCT(&vals, opal_list_t);
if (OPAL_SUCCESS != opal_dstore.fetch(opal_dstore_internal, &OPAL_PROC_MY_NAME,
OPAL_DSTORE_LOCALRANK, &vals)) {
OBJ_CONSTRUCT(&kvn, opal_value_t);
kvn.key = strdup(OPAL_DSTORE_LOCALRANK);
kvn.type = OPAL_UINT16;
kvn.data.uint16 = orte_process_info.my_local_rank;
if (ORTE_SUCCESS != (ret = opal_pmix.put(PMIX_GLOBAL, &kvn))) {
error = "db store local rank";
OBJ_DESTRUCT(&kvn);
goto error;
}
OBJ_DESTRUCT(&kvn);
}
OPAL_LIST_DESTRUCT(&vals);
/* if our node rank was not provided by the system, then
* push our node rank so others can access it */
OBJ_CONSTRUCT(&vals, opal_list_t);
if (OPAL_SUCCESS != opal_dstore.fetch(opal_dstore_internal, &OPAL_PROC_MY_NAME,
OPAL_DSTORE_NODERANK, &vals)) {
OBJ_CONSTRUCT(&kvn, opal_value_t);
kvn.key = strdup(OPAL_DSTORE_NODERANK);
kvn.type = OPAL_UINT16;
kvn.data.uint16 = orte_process_info.my_node_rank;
if (ORTE_SUCCESS != (ret = opal_pmix.put(PMIX_GLOBAL, &kvn))) {
error = "db store node rank";
OBJ_DESTRUCT(&kvn);
goto error;
}
OBJ_DESTRUCT(&kvn);
}
OPAL_LIST_DESTRUCT(&vals);
/* if we are an ORTE app - and not an MPI app - then
* we need to exchange our connection info here.
* MPI_Init has its own modex, so we don't need to do
* two of them. However, if we don't do a modex at all,
* then processes have no way to communicate
*
* NOTE: only do this when the process originally launches.
* Cannot do this on a restart as the rest of the processes
* in the job won't be executing this step, so we would hang
*/
if (ORTE_PROC_IS_NON_MPI && !orte_do_not_barrier) {
opal_pmix.fence(NULL, 0);
}
return ORTE_SUCCESS;
error:
if (ORTE_ERR_SILENT != ret && !orte_report_silent_errors) {
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, i, j;
char *error = NULL, *localj;
int32_t jobfam, stepid;
char *envar, *ev1, *ev2;
uint64_t unique_key[2];
char *cs_env, *string_key;
char *pmi_id=NULL;
int *ranks;
char *tmp;
orte_jobid_t jobid;
orte_process_name_t proc;
orte_local_rank_t local_rank;
orte_node_rank_t node_rank;
/* run the prolog */
if (ORTE_SUCCESS != (ret = orte_ess_base_std_prolog())) {
error = "orte_ess_base_std_prolog";
goto error;
}
#if OPAL_HAVE_HWLOC
/* get the topology */
if (NULL == opal_hwloc_topology) {
if (OPAL_SUCCESS != opal_hwloc_base_get_topology()) {
error = "topology discovery";
goto error;
}
}
#endif
if (ORTE_PROC_IS_DAEMON) { /* I am a daemon, launched by mpirun */
/* we had to be given a jobid */
mca_base_param_reg_string_name("orte", "ess_jobid", "Process jobid",
true, false, NULL, &tmp);
if (NULL == tmp) {
error = "missing jobid";
ret = ORTE_ERR_FATAL;
goto error;
}
if (ORTE_SUCCESS != (ret = orte_util_convert_string_to_jobid(&jobid, tmp))) {
ORTE_ERROR_LOG(ret);
error = "convert jobid";
goto error;
}
free(tmp);
ORTE_PROC_MY_NAME->jobid = jobid;
/* get our rank from PMI */
if (PMI_SUCCESS != (ret = PMI_Get_rank(&i))) {
ORTE_PMI_ERROR(ret, "PMI_Get_rank");
error = "could not get PMI rank";
goto error;
}
ORTE_PROC_MY_NAME->vpid = i + 1; /* compensate for orterun */
/* get the number of procs from PMI */
if (PMI_SUCCESS != (ret = PMI_Get_universe_size(&i))) {
ORTE_PMI_ERROR(ret, "PMI_Get_universe_size");
error = "could not get PMI universe size";
goto error;
}
orte_process_info.num_procs = i + 1; /* compensate for orterun */
/* complete setup */
if (ORTE_SUCCESS != (ret = orte_ess_base_orted_setup(NULL))) {
ORTE_ERROR_LOG(ret);
error = "orte_ess_base_orted_setup";
goto error;
}
} else { /* we are a direct-launched MPI process */
/* get our PMI id length */
if (PMI_SUCCESS != (ret = PMI_Get_id_length_max(&pmi_maxlen))) {
error = "PMI_Get_id_length_max";
goto error;
}
pmi_id = malloc(pmi_maxlen);
if (PMI_SUCCESS != (ret = PMI_Get_kvs_domain_id(pmi_id, pmi_maxlen))) {
free(pmi_id);
error = "PMI_Get_kvs_domain_id";
goto error;
}
/* PMI is very nice to us - the domain id is an integer followed
* by a '.', followed by essentially a stepid. The first integer
* defines an overall job number. The second integer is the number of
* individual jobs we have run within that allocation. So we translate
* this as the overall job number equating to our job family, and
* the individual number equating to our local jobid
*/
jobfam = strtol(pmi_id, &localj, 10);
if (NULL == localj) {
/* hmmm - no '.', so let's just use zero */
stepid = 0;
} else {
localj++; /* step over the '.' */
stepid = strtol(localj, NULL, 10) + 1; /* add one to avoid looking like a daemon */
}
free(pmi_id);
/* now build the jobid */
ORTE_PROC_MY_NAME->jobid = ORTE_CONSTRUCT_LOCAL_JOBID(jobfam << 16, stepid);
/* get our rank */
if (PMI_SUCCESS != (ret = PMI_Get_rank(&i))) {
ORTE_PMI_ERROR(ret, "PMI_Get_rank");
error = "could not get PMI rank";
goto error;
}
ORTE_PROC_MY_NAME->vpid = i;
/* get the number of procs from PMI */
if (PMI_SUCCESS != (ret = PMI_Get_universe_size(&i))) {
ORTE_PMI_ERROR(ret, "PMI_Get_universe_size");
error = "could not get PMI universe size";
goto error;
}
orte_process_info.num_procs = i;
/* push into the environ for pickup in MPI layer for
* MPI-3 required info key
*/
asprintf(&ev1, "OMPI_MCA_orte_ess_num_procs=%d", i);
putenv(ev1);
asprintf(&ev2, "OMPI_APP_CTX_NUM_PROCS=%d", i);
putenv(ev2);
/* setup transport keys in case the MPI layer needs them -
* we can use the jobfam and stepid as unique keys
* because they are unique values assigned by the RM
*/
unique_key[0] = (uint64_t)jobfam;
unique_key[1] = (uint64_t)stepid;
if (NULL == (string_key = orte_pre_condition_transports_print(unique_key))) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
if (NULL == (cs_env = mca_base_param_environ_variable("orte_precondition_transports",NULL,NULL))) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
asprintf(&envar, "%s=%s", cs_env, string_key);
putenv(envar);
/* cannot free the envar as that messes up our environ */
free(cs_env);
free(string_key);
/* our app_context number can only be 0 as we don't support
* dynamic spawns
*/
orte_process_info.app_num = 0;
/* setup my daemon's name - arbitrary, since we don't route
* messages
*/
ORTE_PROC_MY_DAEMON->jobid = 0;
ORTE_PROC_MY_DAEMON->vpid = 0;
/* ensure we pick the correct critical components */
putenv("OMPI_MCA_grpcomm=pmi");
putenv("OMPI_MCA_routed=direct");
/* now use the default procedure to finish my setup */
if (ORTE_SUCCESS != (ret = orte_ess_base_app_setup())) {
ORTE_ERROR_LOG(ret);
error = "orte_ess_base_app_setup";
goto error;
}
/* store our info into the database */
if (ORTE_SUCCESS != (ret = orte_db.store(ORTE_PROC_MY_NAME, ORTE_DB_HOSTNAME, orte_process_info.nodename, OPAL_STRING))) {
error = "db store daemon vpid";
goto error;
}
/* get our local proc info to find our local rank */
if (PMI_SUCCESS != (ret = PMI_Get_clique_size(&i))) {
ORTE_PMI_ERROR(ret, "PMI_Get_clique_size");
error = "could not get PMI clique size";
goto error;
}
/* store that info - remember, we want the number of peers that
* share the node WITH ME, so we have to subtract ourselves from
* that number
*/
orte_process_info.num_local_peers = i - 1;
/* now get the specific ranks */
ranks = (int*)malloc(i * sizeof(int));
if (PMI_SUCCESS != (ret = PMI_Get_clique_ranks(ranks, i))) {
ORTE_PMI_ERROR(ret, "PMI_Get_clique_ranks");
error = "could not get clique ranks";
goto error;
}
/* The clique ranks are returned in rank order, so
* cycle thru the array and update the local/node
* rank info
*/
proc.jobid = ORTE_PROC_MY_NAME->jobid;
for (j=0; j < i; j++) {
proc.vpid = ranks[j];
local_rank = j;
node_rank = j;
if (ranks[j] == (int)ORTE_PROC_MY_NAME->vpid) {
orte_process_info.my_local_rank = local_rank;
orte_process_info.my_node_rank = node_rank;
}
if (ORTE_SUCCESS != (ret = orte_db.store(&proc, ORTE_DB_LOCALRANK, &local_rank, ORTE_LOCAL_RANK))) {
error = "db store local rank";
goto error;
}
if (ORTE_SUCCESS != (ret = orte_db.store(&proc, ORTE_DB_NODERANK, &node_rank, ORTE_NODE_RANK))) {
error = "db store node rank";
goto error;
}
}
free(ranks);
/* setup process binding */
if (ORTE_SUCCESS != (ret = orte_ess_base_proc_binding())) {
error = "proc_binding";
goto error;
}
}
/* set max procs */
if (orte_process_info.max_procs < orte_process_info.num_procs) {
orte_process_info.max_procs = orte_process_info.num_procs;
}
/* flag that we completed init */
app_init_complete = true;
return ORTE_SUCCESS;
error:
if (ORTE_ERR_SILENT != ret && !orte_report_silent_errors) {
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 *envar, *ev1, *ev2;
uint64_t unique_key[2];
char *string_key;
opal_value_t *kv;
char *val;
int u32, *u32ptr;
uint16_t u16, *u16ptr;
char **peers=NULL, *mycpuset;
opal_process_name_t wildcard_rank, pname;
bool bool_val, *bool_ptr = &bool_val, tdir_mca_override = false;
size_t i;
/* run the prolog */
if (ORTE_SUCCESS != (ret = orte_ess_base_std_prolog())) {
error = "orte_ess_base_std_prolog";
goto error;
}
/* get an async event base - we use the opal_async one so
* we don't startup extra threads if not needed */
orte_event_base = opal_progress_thread_init(NULL);
progress_thread_running = true;
/* open and setup pmix */
if (OPAL_SUCCESS != (ret = mca_base_framework_open(&opal_pmix_base_framework, 0))) {
ORTE_ERROR_LOG(ret);
/* we cannot run */
error = "pmix init";
goto error;
}
if (OPAL_SUCCESS != (ret = opal_pmix_base_select())) {
/* we cannot run */
error = "pmix init";
goto error;
}
/* set the event base */
opal_pmix_base_set_evbase(orte_event_base);
/* initialize the selected module */
if (!opal_pmix.initialized() && (OPAL_SUCCESS != (ret = opal_pmix.init(NULL)))) {
/* we cannot run - this could be due to being direct launched
* without the required PMI support being built. Try to detect
* that scenario and warn the user */
if (ORTE_SCHIZO_DIRECT_LAUNCHED == orte_schizo.check_launch_environment() &&
NULL != (envar = getenv("ORTE_SCHIZO_DETECTION"))) {
if (0 == strcmp(envar, "SLURM")) {
/* yes to both - so emit a hopefully helpful
* error message and abort */
orte_show_help_finalize();
orte_show_help("help-ess-base.txt", "slurm-error", true);
return ORTE_ERR_SILENT;
} else if (0 == strcmp(envar, "ALPS")) {
/* we were direct launched by ALPS */
orte_show_help_finalize();
orte_show_help("help-ess-base.txt", "alps-error", true);
return ORTE_ERR_SILENT;
}
}
error = "pmix init";
goto error;
}
u32ptr = &u32;
u16ptr = &u16;
/**** THE FOLLOWING ARE REQUIRED VALUES ***/
/* pmix.init set our process name down in the OPAL layer,
* so carry it forward here */
ORTE_PROC_MY_NAME->jobid = OPAL_PROC_MY_NAME.jobid;
ORTE_PROC_MY_NAME->vpid = OPAL_PROC_MY_NAME.vpid;
/* setup a name for retrieving data associated with the job */
wildcard_rank.jobid = ORTE_PROC_MY_NAME->jobid;
wildcard_rank.vpid = ORTE_NAME_WILDCARD->vpid;
/* setup a name for retrieving proc-specific data */
pname.jobid = ORTE_PROC_MY_NAME->jobid;
pname.vpid = 0;
/* get our local rank from PMI */
OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_LOCAL_RANK,
ORTE_PROC_MY_NAME, &u16ptr, OPAL_UINT16);
if (OPAL_SUCCESS != ret) {
error = "getting local rank";
goto error;
}
orte_process_info.my_local_rank = u16;
/* get our node rank from PMI */
OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_NODE_RANK,
ORTE_PROC_MY_NAME, &u16ptr, OPAL_UINT16);
if (OPAL_SUCCESS != ret) {
error = "getting node rank";
goto error;
}
orte_process_info.my_node_rank = u16;
/* get max procs for this application */
OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_MAX_PROCS,
&wildcard_rank, &u32ptr, OPAL_UINT32);
if (OPAL_SUCCESS != ret) {
error = "getting max procs";
goto error;
}
orte_process_info.max_procs = u32;
/* get job size */
OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_JOB_SIZE,
&wildcard_rank, &u32ptr, OPAL_UINT32);
if (OPAL_SUCCESS != ret) {
error = "getting job size";
goto error;
}
orte_process_info.num_procs = u32;
/* push into the environ for pickup in MPI layer for
* MPI-3 required info key
*/
if (NULL == getenv(OPAL_MCA_PREFIX"orte_ess_num_procs")) {
asprintf(&ev1, OPAL_MCA_PREFIX"orte_ess_num_procs=%d", orte_process_info.num_procs);
putenv(ev1);
added_num_procs = true;
}
if (NULL == getenv("OMPI_APP_CTX_NUM_PROCS")) {
asprintf(&ev2, "OMPI_APP_CTX_NUM_PROCS=%d", orte_process_info.num_procs);
putenv(ev2);
added_app_ctx = true;
}
/* get our app number from PMI - ok if not found */
OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_APPNUM,
ORTE_PROC_MY_NAME, &u32ptr, OPAL_UINT32);
if (OPAL_SUCCESS == ret) {
orte_process_info.app_num = u32;
} else {
orte_process_info.app_num = 0;
}
/* get the number of local peers - required for wireup of
* shared memory BTL */
OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_LOCAL_SIZE,
&wildcard_rank, &u32ptr, OPAL_UINT32);
if (OPAL_SUCCESS == ret) {
orte_process_info.num_local_peers = u32 - 1; // want number besides ourselves
} else {
orte_process_info.num_local_peers = 0;
}
/* get number of nodes in the job */
OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_NUM_NODES,
&wildcard_rank, &u32ptr, OPAL_UINT32);
if (OPAL_SUCCESS == ret) {
orte_process_info.num_nodes = u32;
}
/* setup transport keys in case the MPI layer needs them -
* we can use the jobfam and stepid as unique keys
* because they are unique values assigned by the RM
*/
if (NULL == getenv(OPAL_MCA_PREFIX"orte_precondition_transports")) {
unique_key[0] = ORTE_JOB_FAMILY(ORTE_PROC_MY_NAME->jobid);
unique_key[1] = ORTE_LOCAL_JOBID(ORTE_PROC_MY_NAME->jobid);
if (NULL == (string_key = orte_pre_condition_transports_print(unique_key))) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
opal_output_verbose(2, orte_ess_base_framework.framework_output,
"%s transport key %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), string_key);
asprintf(&envar, OPAL_MCA_PREFIX"orte_precondition_transports=%s", string_key);
putenv(envar);
added_transport_keys = true;
/* cannot free the envar as that messes up our environ */
free(string_key);
}
/* retrieve temp directories info */
OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_TMPDIR, &wildcard_rank, &val, OPAL_STRING);
if (OPAL_SUCCESS == ret && NULL != val) {
/* We want to provide user with ability
* to override RM settings at his own risk
*/
if( NULL == orte_process_info.top_session_dir ){
orte_process_info.top_session_dir = val;
} else {
/* keep the MCA setting */
tdir_mca_override = true;
free(val);
}
val = NULL;
}
if( !tdir_mca_override ){
OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_NSDIR, &wildcard_rank, &val, OPAL_STRING);
if (OPAL_SUCCESS == ret && NULL != val) {
/* We want to provide user with ability
* to override RM settings at his own risk
*/
if( NULL == orte_process_info.job_session_dir ){
orte_process_info.job_session_dir = val;
} else {
/* keep the MCA setting */
free(val);
tdir_mca_override = true;
}
val = NULL;
}
}
if( !tdir_mca_override ){
OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_PROCDIR, &wildcard_rank, &val, OPAL_STRING);
if (OPAL_SUCCESS == ret && NULL != val) {
/* We want to provide user with ability
* to override RM settings at his own risk
*/
if( NULL == orte_process_info.proc_session_dir ){
orte_process_info.proc_session_dir = val;
} else {
/* keep the MCA setting */
tdir_mca_override = true;
free(val);
}
val = NULL;
}
}
if( !tdir_mca_override ){
OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_TDIR_RMCLEAN, &wildcard_rank, &bool_ptr, OPAL_BOOL);
if (OPAL_SUCCESS == ret ) {
orte_process_info.rm_session_dirs = bool_val;
}
}
/* get our local peers */
if (0 < orte_process_info.num_local_peers) {
/* if my local rank if too high, then that's an error */
if (orte_process_info.num_local_peers < orte_process_info.my_local_rank) {
ret = ORTE_ERR_BAD_PARAM;
error = "num local peers";
goto error;
}
/* retrieve the local peers */
OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_LOCAL_PEERS,
&wildcard_rank, &val, OPAL_STRING);
if (OPAL_SUCCESS == ret && NULL != val) {
peers = opal_argv_split(val, ',');
free(val);
} else {
peers = NULL;
}
} else {
peers = NULL;
}
/* set the locality */
if (NULL != peers) {
/* identify our location */
val = NULL;
OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_LOCALITY_STRING,
ORTE_PROC_MY_NAME, &val, OPAL_STRING);
if (OPAL_SUCCESS == ret && NULL != val) {
mycpuset = val;
} else {
mycpuset = NULL;
}
pname.jobid = ORTE_PROC_MY_NAME->jobid;
for (i=0; NULL != peers[i]; i++) {
pname.vpid = strtoul(peers[i], NULL, 10);
if (pname.vpid == ORTE_PROC_MY_NAME->vpid) {
/* we are fully local to ourselves */
u16 = OPAL_PROC_ALL_LOCAL;
} else {
val = NULL;
OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_LOCALITY_STRING,
&pname, &val, OPAL_STRING);
if (OPAL_SUCCESS == ret && NULL != val) {
u16 = opal_hwloc_compute_relative_locality(mycpuset, val);
free(val);
} else {
/* all we can say is that it shares our node */
u16 = OPAL_PROC_ON_CLUSTER | OPAL_PROC_ON_CU | OPAL_PROC_ON_NODE;
}
}
kv = OBJ_NEW(opal_value_t);
kv->key = strdup(OPAL_PMIX_LOCALITY);
kv->type = OPAL_UINT16;
OPAL_OUTPUT_VERBOSE((1, orte_ess_base_framework.framework_output,
"%s ess:pmi:locality: proc %s locality %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(&pname), opal_hwloc_base_print_locality(u16)));
kv->data.uint16 = u16;
ret = opal_pmix.store_local(&pname, kv);
if (OPAL_SUCCESS != ret) {
error = "local store of locality";
opal_argv_free(peers);
if (NULL != mycpuset) {
free(mycpuset);
}
goto error;
}
OBJ_RELEASE(kv);
}
opal_argv_free(peers);
if (NULL != mycpuset) {
free(mycpuset);
}
}
/* now that we have all required info, complete the setup */
if (ORTE_SUCCESS != (ret = orte_ess_base_app_setup(false))) {
ORTE_ERROR_LOG(ret);
error = "orte_ess_base_app_setup";
goto error;
}
/* setup process binding */
if (ORTE_SUCCESS != (ret = orte_ess_base_proc_binding())) {
error = "proc_binding";
goto error;
}
/* this needs to be set to enable debugger use when direct launched */
if (NULL == orte_process_info.my_daemon_uri) {
orte_standalone_operation = true;
}
/* set max procs */
if (orte_process_info.max_procs < orte_process_info.num_procs) {
orte_process_info.max_procs = orte_process_info.num_procs;
}
/* push our hostname so others can find us, if they need to - the
* native PMIx component will ignore this request as the hostname
* is provided by the system */
OPAL_MODEX_SEND_VALUE(ret, OPAL_PMIX_GLOBAL, OPAL_PMIX_HOSTNAME, orte_process_info.nodename, OPAL_STRING);
if (ORTE_SUCCESS != ret) {
error = "db store hostname";
goto error;
}
/* if we are an ORTE app - and not an MPI app - then
* we need to exchange our connection info here.
* MPI_Init has its own modex, so we don't need to do
* two of them. However, if we don't do a modex at all,
* then processes have no way to communicate
*
* NOTE: only do this when the process originally launches.
* Cannot do this on a restart as the rest of the processes
* in the job won't be executing this step, so we would hang
*/
if (ORTE_PROC_IS_NON_MPI && !orte_do_not_barrier) {
/* need to commit the data before we fence */
opal_pmix.commit();
opal_pmix.fence(NULL, 0);
}
return ORTE_SUCCESS;
error:
if (!progress_thread_running) {
/* can't send the help message, so ensure it
* comes out locally
*/
orte_show_help_finalize();
}
if (ORTE_ERR_SILENT != ret && !orte_report_silent_errors) {
orte_show_help("help-orte-runtime.txt",
"orte_init:startup:internal-failure",
true, error, ORTE_ERROR_NAME(ret), ret);
}
return ret;
}
