373 строки
12 KiB
C
373 строки
12 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2011 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2008-2011 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2012 Los Alamos National Security, LLC.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*
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*/
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#include "orte_config.h"
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#include "orte/constants.h"
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif /* HAVE_STRING_H */
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#include <ctype.h>
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#ifdef HAVE_NETDB_H
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#include <netdb.h>
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#endif
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#ifdef HAVE_IFADDRS_H
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#include <ifaddrs.h>
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#endif
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#include <pmi.h>
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#include "opal/util/opal_environ.h"
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#include "opal/util/output.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "opal/util/argv.h"
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#include "opal/class/opal_pointer_array.h"
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#include "opal/mca/hwloc/base/base.h"
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#include "opal/util/printf.h"
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#include "orte/util/proc_info.h"
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#include "orte/util/show_help.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/util/name_fns.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/util/nidmap.h"
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#include "orte/util/pre_condition_transports.h"
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#include "orte/util/regex.h"
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#include "orte/runtime/orte_wait.h"
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#include "orte/mca/ess/ess.h"
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#include "orte/mca/ess/base/base.h"
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#include "orte/mca/ess/pmi/ess_pmi.h"
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static int rte_init(void);
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static int rte_finalize(void);
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static void rte_abort(int error_code, bool report) __opal_attribute_noreturn__;
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orte_ess_base_module_t orte_ess_pmi_module = {
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rte_init,
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rte_finalize,
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rte_abort,
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orte_ess_base_proc_get_locality,
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orte_ess_base_proc_get_daemon,
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orte_ess_base_proc_get_hostname,
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orte_ess_base_proc_get_local_rank,
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orte_ess_base_proc_get_node_rank,
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orte_ess_base_proc_get_epoch, /* proc_get_epoch */
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orte_ess_base_update_pidmap,
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orte_ess_base_update_nidmap,
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NULL /* ft_event */
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};
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static bool app_init_complete=false;
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static int pmi_maxlen=0;
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/**** MODULE FUNCTIONS ****/
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static int rte_init(void)
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{
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int ret, i, j;
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char *error = NULL, *localj;
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int32_t jobfam, stepid;
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char *envar;
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uint64_t unique_key[2];
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char *cs_env, *string_key;
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char *pmi_id=NULL;
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orte_nid_t *nid;
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orte_jmap_t *jmap;
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orte_pmap_t *pmap;
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int *ranks;
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char *tmp;
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orte_jobid_t jobid;
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/* run the prolog */
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if (ORTE_SUCCESS != (ret = orte_ess_base_std_prolog())) {
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error = "orte_ess_base_std_prolog";
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goto error;
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}
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#if OPAL_HAVE_HWLOC
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/* get the topology */
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if (NULL == opal_hwloc_topology) {
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if (OPAL_SUCCESS != opal_hwloc_base_get_topology()) {
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error = "topology discovery";
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goto error;
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}
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}
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#endif
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if (ORTE_PROC_IS_DAEMON) { /* I am a daemon, launched by mpirun */
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/* we had to be given a jobid */
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mca_base_param_reg_string_name("orte", "ess_jobid", "Process jobid",
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true, false, NULL, &tmp);
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if (NULL == tmp) {
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error = "missing jobid";
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ret = ORTE_ERR_FATAL;
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goto error;
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}
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if (ORTE_SUCCESS != (ret = orte_util_convert_string_to_jobid(&jobid, tmp))) {
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ORTE_ERROR_LOG(ret);
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error = "convert jobid";
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goto error;
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}
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free(tmp);
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ORTE_PROC_MY_NAME->jobid = jobid;
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if (ORTE_SUCCESS != (ret = orte_ess_base_orted_setup(NULL))) {
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ORTE_ERROR_LOG(ret);
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error = "orte_ess_base_orted_setup";
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goto error;
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}
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/* get our rank from PMI */
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if (PMI_SUCCESS != (ret = PMI_Get_rank(&i))) {
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ORTE_PMI_ERROR(ret, "PMI_Get_rank");
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error = "could not get PMI rank";
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goto error;
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}
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ORTE_PROC_MY_NAME->vpid = i + 1; /* compensate for orterun */
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/* get the number of procs from PMI */
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if (PMI_SUCCESS != (ret = PMI_Get_universe_size(&i))) {
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ORTE_PMI_ERROR(ret, "PMI_Get_universe_size");
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error = "could not get PMI universe size";
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goto error;
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}
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orte_process_info.num_procs = i + 1; /* compensate for orterun */
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} else { /* we are a direct-launched MPI process */
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/* get our PMI id length */
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if (PMI_SUCCESS != (ret = PMI_Get_id_length_max(&pmi_maxlen))) {
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error = "PMI_Get_id_length_max";
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goto error;
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}
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pmi_id = malloc(pmi_maxlen);
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if (PMI_SUCCESS != (ret = PMI_Get_kvs_domain_id(pmi_id, pmi_maxlen))) {
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free(pmi_id);
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error = "PMI_Get_kvs_domain_id";
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goto error;
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}
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/* PMI is very nice to us - the domain id is an integer followed
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* by a '.', followed by essentially a stepid. The first integer
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* defines an overall job number. The second integer is the number of
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* individual jobs we have run within that allocation. So we translate
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* this as the overall job number equating to our job family, and
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* the individual number equating to our local jobid
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*/
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jobfam = strtol(pmi_id, &localj, 10);
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if (NULL == localj) {
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/* hmmm - no '.', so let's just use zero */
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stepid = 0;
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} else {
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localj++; /* step over the '.' */
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stepid = strtol(localj, NULL, 10) + 1; /* add one to avoid looking like a daemon */
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}
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free(pmi_id);
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/* now build the jobid */
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ORTE_PROC_MY_NAME->jobid = ORTE_CONSTRUCT_LOCAL_JOBID(jobfam << 16, stepid);
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/* get our rank */
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if (PMI_SUCCESS != (ret = PMI_Get_rank(&i))) {
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ORTE_PMI_ERROR(ret, "PMI_Get_rank");
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error = "could not get PMI rank";
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goto error;
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}
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ORTE_PROC_MY_NAME->vpid = i;
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/* get the number of procs from PMI */
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if (PMI_SUCCESS != (ret = PMI_Get_universe_size(&i))) {
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ORTE_PMI_ERROR(ret, "PMI_Get_universe_size");
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error = "could not get PMI universe size";
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goto error;
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}
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orte_process_info.num_procs = i;
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/* setup transport keys in case the MPI layer needs them -
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* we can use the jobfam and stepid as unique keys
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* because they are unique values assigned by the RM
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*/
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unique_key[0] = (uint64_t)jobfam;
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unique_key[1] = (uint64_t)stepid;
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if (NULL == (string_key = orte_pre_condition_transports_print(unique_key))) {
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ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
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return ORTE_ERR_OUT_OF_RESOURCE;
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}
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if (NULL == (cs_env = mca_base_param_environ_variable("orte_precondition_transports",NULL,NULL))) {
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ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
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return ORTE_ERR_OUT_OF_RESOURCE;
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}
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asprintf(&envar, "%s=%s", cs_env, string_key);
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putenv(envar);
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/* cannot free the envar as that messes up our environ */
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free(cs_env);
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free(string_key);
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/* get our app_context number */
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if (PMI_SUCCESS != (ret = PMI_Get_appnum(&i))) {
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ORTE_PMI_ERROR(ret, "PMI_Get_appnum");
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error = "could not get PMI appnum";
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goto error;
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}
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orte_process_info.app_num = i;
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/* setup the nidmap arrays - they will be filled by the modex */
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if (ORTE_SUCCESS != (ret = orte_util_nidmap_init(NULL))) {
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ORTE_ERROR_LOG(ret);
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error = "orte_util_nidmap_init";
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goto error;
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}
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/* initialize our entry */
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if (ORTE_SUCCESS != (ret = orte_util_setup_local_nidmap_entries())) {
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ORTE_ERROR_LOG(ret);
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error = "orte_util_setup_local_nidmap_entries";
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goto error;
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}
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/* correct the daemon entry on our nidmap object - note that
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* each proc's nidmap will be different, but the only thing that
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* matters here (since we are not routing messages) is that
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* we know which procs are on the same nodes
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*/
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nid = (orte_nid_t*)opal_pointer_array_get_item(&orte_nidmap, 0);
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nid->daemon = 0;
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/* setup my daemon's name - arbitrary, since we don't route
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* messages
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*/
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ORTE_PROC_MY_DAEMON->jobid = 0;
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ORTE_PROC_MY_DAEMON->vpid = 0;
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/* get the job map for this job */
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jmap = (orte_jmap_t*)opal_pointer_array_get_item(&orte_jobmap, 0);
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/* update the num procs */
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jmap->num_procs = orte_process_info.num_procs;
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/* set the size of the pidmap storage so we minimize realloc's */
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if (ORTE_SUCCESS != (ret = opal_pointer_array_set_size(&jmap->pmap, jmap->num_procs))) {
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ORTE_ERROR_LOG(ret);
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error = "could not set array size for pidmap";
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goto error;
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}
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/* get my pidmap entry */
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pmap = (orte_pmap_t*)opal_pointer_array_get_item(&jmap->pmap, ORTE_PROC_MY_NAME->vpid);
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/* get our local proc info to find our local rank */
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if (PMI_SUCCESS != (ret = PMI_Get_clique_size(&i))) {
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ORTE_PMI_ERROR(ret, "PMI_Get_clique_size");
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error = "could not get PMI clique size";
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goto error;
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}
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ranks = (int*)malloc(i * sizeof(int));
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if (PMI_SUCCESS != (ret = PMI_Get_clique_ranks(ranks, i))) {
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ORTE_PMI_ERROR(ret, "PMI_Get_clique_ranks");
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error = "could not get clique ranks";
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goto error;
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}
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/* cycle thru the array until we find our rank */
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for (j=0; j < i; j++) {
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if (ranks[j] == (int)ORTE_PROC_MY_NAME->vpid) {
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pmap->local_rank = j;
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pmap->node_rank = j;
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break;
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}
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}
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free(ranks);
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/* ensure we pick the correct critical components */
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putenv("OMPI_MCA_grpcomm=pmi");
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putenv("OMPI_MCA_routed=direct");
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/* now use the default procedure to finish my setup */
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if (ORTE_SUCCESS != (ret = orte_ess_base_app_setup())) {
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ORTE_ERROR_LOG(ret);
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error = "orte_ess_base_app_setup";
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goto error;
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}
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}
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/* complete definition of process name */
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ORTE_EPOCH_SET(ORTE_PROC_MY_NAME->epoch,ORTE_EPOCH_MIN);
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/* set max procs */
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if (orte_process_info.max_procs < orte_process_info.num_procs) {
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orte_process_info.max_procs = orte_process_info.num_procs;
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}
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/* flag that we completed init */
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app_init_complete = true;
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return ORTE_SUCCESS;
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error:
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if (ORTE_ERR_SILENT != ret && !orte_report_silent_errors) {
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orte_show_help("help-orte-runtime.txt",
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"orte_init:startup:internal-failure",
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true, error, ORTE_ERROR_NAME(ret), ret);
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}
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return ret;
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}
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static int rte_finalize(void)
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{
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int ret = ORTE_SUCCESS;
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if (app_init_complete) {
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/* if I am a daemon, finalize using the default procedure */
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if (ORTE_PROC_IS_DAEMON) {
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if (ORTE_SUCCESS != (ret = orte_ess_base_orted_finalize())) {
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ORTE_ERROR_LOG(ret);
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}
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} else {
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/* use the default app procedure to finish */
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if (ORTE_SUCCESS != (ret = orte_ess_base_app_finalize())) {
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ORTE_ERROR_LOG(ret);
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}
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/* remove the envars that we pushed into environ
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* so we leave that structure intact
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*/
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unsetenv("OMPI_MCA_grpcomm");
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unsetenv("OMPI_MCA_routed");
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unsetenv("OMPI_MCA_orte_precondition_transports");
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}
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}
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/* deconstruct my nidmap and jobmap arrays - this
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* function protects itself from being called
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* before things were initialized
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*/
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orte_util_nidmap_finalize();
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#if OPAL_HAVE_HWLOC
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if (NULL != opal_hwloc_topology) {
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opal_hwloc_base_free_topology(opal_hwloc_topology);
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opal_hwloc_topology = NULL;
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}
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#endif
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return ret;
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}
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static void rte_abort(int error_code, bool report)
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{
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orte_ess_base_app_abort(error_code, report);
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}
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