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openmpi/orte/mca/ess/hnp/ess_hnp_module.c
Ralph Castain 3a0d09300b Fully implement the inbound binomial allgather for daemon-based collectives. Supports both modex and barrier operations.
Comm_spawn still uses the rank=0 method - shifting that algo to the daemons is under study.

This commit was SVN r18115.
2008-04-09 22:10:53 +00:00

484 строки
14 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2008 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
*/
#include "orte_config.h"
#include "orte/constants.h"
#include <sys/types.h>
#include <stdio.h>
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "opal/event/event.h"
#include "opal/util/output.h"
#include "opal/util/show_help.h"
#include "opal/runtime/opal.h"
#include "opal/runtime/opal_cr.h"
#include "opal/util/os_path.h"
#include "opal/util/malloc.h"
#include "orte/mca/rml/base/base.h"
#include "orte/mca/rml/base/rml_contact.h"
#include "orte/mca/routed/base/base.h"
#include "orte/mca/routed/routed.h"
#include "orte/mca/errmgr/base/base.h"
#include "orte/mca/grpcomm/base/base.h"
#include "orte/mca/iof/base/base.h"
#include "orte/mca/ras/base/base.h"
#include "orte/mca/plm/base/base.h"
#include "orte/mca/odls/base/base.h"
#include "orte/mca/rmaps/base/base.h"
#if OPAL_ENABLE_FT == 1
#include "orte/mca/snapc/base/base.h"
#endif
#include "orte/mca/filem/base/base.h"
#include "orte/util/proc_info.h"
#include "orte/util/session_dir.h"
#include "orte/util/hnp_contact.h"
#include "orte/util/name_fns.h"
#include "orte/runtime/runtime.h"
#include "orte/runtime/orte_wait.h"
#include "orte/runtime/orte_globals.h"
#include "orte/runtime/orte_cr.h"
#include "orte/mca/ess/ess.h"
#include "orte/mca/ess/base/base.h"
#include "orte/mca/ess/hnp/ess_hnp.h"
static int rte_init(char flags);
static int rte_finalize(void);
static void rte_abort(int status, bool report) __opal_attribute_noreturn__;
orte_ess_base_module_t orte_ess_hnp_module = {
rte_init,
rte_finalize,
rte_abort,
NULL /* ft_event */
};
static int rte_init(char flags)
{
int ret;
char *error = NULL;
char *jobid_str, *procid_str, *contact_path;
orte_job_t *jdata;
orte_node_t *node;
orte_proc_t *proc;
/* 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. Note that ONLY the
* HNP ever uses a PLM component anyway
*/
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;
}
/* 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;
}
/* setup my session directory */
if (ORTE_SUCCESS != (ret = orte_util_convert_jobid_to_string(&jobid_str, ORTE_PROC_MY_NAME->jobid))) {
ORTE_ERROR_LOG(ret);
error = "orte_convert_jobid_to_string";
goto error;
}
if (ORTE_SUCCESS != (ret = orte_util_convert_vpid_to_string(&procid_str, ORTE_PROC_MY_NAME->vpid))) {
ORTE_ERROR_LOG(ret);
error = "orte_convert_vpid_to_string";
goto error;
}
OPAL_OUTPUT_VERBOSE((2, orte_debug_output,
"%s setting up session dir with\n\ttmpdir: %s\n\thost %s\n\tjobid %s\n\tprocid %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
(NULL == orte_process_info.tmpdir_base) ? "UNDEF" : orte_process_info.tmpdir_base,
orte_process_info.nodename, jobid_str, procid_str));
if (ORTE_SUCCESS != (ret = orte_session_dir(true,
orte_process_info.tmpdir_base,
orte_process_info.nodename, NULL,
jobid_str, procid_str))) {
if (jobid_str != NULL) free(jobid_str);
if (procid_str != NULL) free(procid_str);
ORTE_ERROR_LOG(ret);
error = "orte_session_dir";
goto error;
}
if (NULL != jobid_str) {
free(jobid_str);
}
if (NULL != procid_str) {
free(procid_str);
}
/* 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 */
contact_path = opal_os_path(false, orte_process_info.job_session_dir,
"contact.txt", NULL);
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 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_add(orte_job_data, 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);
/* record our node */
orte_hnpnode = 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;
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 == 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_process_info.hnp, !orte_process_info.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;
}
return ORTE_SUCCESS;
error:
opal_show_help("help-orte-runtime.txt",
"orte_init:startup:internal-failure",
true, error, ORTE_ERROR_NAME(ret), ret);
return ret;
}
static int rte_finalize(void)
{
char *contact_path;
/* remove my contact info file */
contact_path = opal_os_path(false, orte_process_info.top_session_dir,
"contact.txt", NULL);
unlink(contact_path);
free(contact_path);
orte_cr_finalize();
#if OPAL_ENABLE_FT == 1
orte_snapc_base_close();
#endif
orte_filem_base_close();
orte_odls_base_close();
orte_wait_finalize();
orte_iof_base_close();
/* finalize selected modules so they can de-register
* any receives
*/
orte_ras_base_close();
orte_rmaps_base_close();
orte_plm_base_close();
orte_errmgr_base_close();
/* now can close the rml and its friendly group comm */
orte_grpcomm_base_close();
orte_routed_base_close();
orte_rml_base_close();
orte_session_dir_finalize(ORTE_PROC_MY_NAME);
/* clean out the global structures */
orte_proc_info_finalize();
return ORTE_SUCCESS;
}
/*
* For application procs, we do NOT call the regular
* C-library "abort" function, even though that would have
* alerted us to the fact that this is an abnormal termination,
* because it would automatically cause a core file to be
* generated. On large systems, that can be overwhelming
* (imagine a few thousand Gbyte-sized files hitting
* a shared file system simultaneously...ouch!).
*
* However, the HNP is only ONE process, so we can do it
* here as the core file might prove useful.
*/
static void rte_abort(int status, bool report)
{
/* do NOT do a normal finalize as this will very likely
* hang the process. We are aborting due to an abnormal condition
* that precludes normal cleanup
*
* We do need to do the following bits to make sure we leave a
* clean environment. Taken from orte_finalize():
* - Assume errmgr cleans up child processes before we exit.
*/
/* CRS cleanup since it may have a named pipe and thread active */
orte_cr_finalize();
/* - Clean out the global structures
* (not really necessary, but good practice)
*/
orte_proc_info_finalize();
/* Now abort */
abort();
}