358 строки
11 KiB
C
358 строки
11 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) 2004-2005 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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* $COPYRIGHT$
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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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#include <sys/bproc.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 "orte/mca/ess/ess.h"
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#include "orte/mca/ess/base/base.h"
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#include "orte/mca/errmgr/base/base.h"
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#include "orte/util/show_help.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/util/name_fns.h"
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#include "ess_bproc.h"
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static int bproc_set_name(void);
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static int rte_init(void);
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static int rte_finalize(void);
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static bool proc_is_local(orte_process_name_t *proc);
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static orte_vpid_t proc_get_daemon(orte_process_name_t *proc);
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static char* proc_get_hostname(orte_process_name_t *proc);
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static uint8_t proc_get_local_rank(orte_process_name_t *proc);
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static uint8_t proc_get_node_rank(orte_process_name_t *proc);
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orte_ess_base_module_t orte_ess_bproc_module = {
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rte_init,
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rte_finalize,
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orte_ess_base_app_abort,
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proc_is_local,
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proc_get_daemon,
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proc_get_hostname,
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proc_get_local_rank,
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proc_get_node_rank,
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NULL, /* update_pidmap */
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NULL, /* update_nidmap */
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orte_ess_base_query_sys_info,
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NULL /* no FT support for Bproc */
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};
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static opal_pointer_array_t nidmap;
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static orte_pmap_t *pmap = NULL;
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static orte_vpid_t nprocs;
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static int rte_init(void)
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{
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int ret;
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char *error = NULL;
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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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/* Start by getting a unique name from the enviro */
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bproc_set_name();
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/* if I am a daemon, complete my setup using the
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* default procedure
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*/
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if (ORTE_PROC_IS_DAEMON) {
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if (ORTE_SUCCESS != (ret = orte_ess_base_orted_setup())) {
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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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} else if (ORTE_PROC_IS_TOOL) {
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/* otherwise, if I am a tool proc, use that procedure */
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if (ORTE_SUCCESS != (ret = orte_ess_base_tool_setup())) {
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ORTE_ERROR_LOG(ret);
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error = "orte_ess_base_tool_setup";
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goto error;
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}
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} else {
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/* otherwise, I must be an application process - use
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* the default procedure to finish my setup
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*/
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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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/* setup the nidmap arrays */
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OBJ_CONSTRUCT(&nidmap, opal_pointer_array_t);
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opal_pointer_array_init(&nidmap, 8, INT32_MAX, 8);
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/* if one was provided, build my nidmap */
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if (ORTE_SUCCESS != (ret = orte_ess_base_build_nidmap(orte_process_info.sync_buf,
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&nidmap, &pmap, &nprocs))) {
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ORTE_ERROR_LOG(ret);
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error = "orte_ess_base_build_nidmap";
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goto error;
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}
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}
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return ORTE_SUCCESS;
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error:
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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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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;
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orte_nid_t **nids;
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int32_t i;
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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 if (ORTE_PROC_IS_TOOL) {
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/* otherwise, if I am a tool proc, use that procedure */
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if (ORTE_SUCCESS != (ret = orte_ess_base_tool_finalize())) {
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ORTE_ERROR_LOG(ret);
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}
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} else {
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/* otherwise, I must be an application process - deconstruct
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* my nidmap arrays
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*/
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nids = (orte_nid_t**)nidmap.addr;
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for (i=0; i < nidmap.size; i++) {
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if (NULL == nids[i]) {
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break;
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}
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if (NULL != nids[i]->name) {
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free(nids[i]->name);
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nids[i]->name = NULL;
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}
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}
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OBJ_DESTRUCT(&nidmap);
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free(pmap);
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pmap = NULL;
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/* use the default 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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}
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return ret;
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}
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static bool proc_is_local(orte_process_name_t *proc)
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{
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if (pmap[proc->vpid].node == (int32_t)ORTE_PROC_MY_DAEMON->vpid) {
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OPAL_OUTPUT_VERBOSE((2, orte_ess_base_output,
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"%s ess:bproc: proc %s is LOCAL",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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ORTE_NAME_PRINT(proc)));
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return true;
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}
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OPAL_OUTPUT_VERBOSE((2, orte_ess_base_output,
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"%s ess:bproc: proc %s is REMOTE",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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ORTE_NAME_PRINT(proc)));
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return false;
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}
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/* the daemon's vpid does not necessairly correlate
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* to the node's index in the node array since
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* some nodes may not have a daemon on them. Thus,
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* we have to search for the daemon in the array.
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* Fortunately, this is rarely done
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*/
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static int32_t find_daemon_node(orte_vpid_t vpid)
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{
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int32_t i;
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orte_nid_t **nids;
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nids = (orte_nid_t**)nidmap.addr;
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for (i=0; i < nidmap.size; i++) {
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if (NULL == nids[i]) {
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break;
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}
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if (vpid == nids[i]->daemon) {
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return i;
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}
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}
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return -1;
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}
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static orte_vpid_t proc_get_daemon(orte_process_name_t *proc)
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{
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orte_nid_t *nid;
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if( ORTE_JOBID_IS_DAEMON(proc->jobid) ) {
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return proc->vpid;
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}
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if (NULL == (nid = orte_util_lookup_nid(proc))) {
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return ORTE_VPID_INVALID;
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}
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OPAL_OUTPUT_VERBOSE((2, orte_ess_base_output,
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"%s ess:env: proc %s is hosted by daemon %s",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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ORTE_NAME_PRINT(proc),
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ORTE_VPID_PRINT(nid->daemon)));
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return nid->daemon;
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}
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static char* proc_get_hostname(orte_process_name_t *proc)
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{
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int32_t node;
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orte_nid_t **nids;
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if (ORTE_PROC_MY_DAEMON->jobid == proc->jobid) {
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/* looking for the daemon's hostname */
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node = find_daemon_node(proc->vpid);
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if (0 > node) {
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return NULL;
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}
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} else {
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node = pmap[proc->vpid].node;
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}
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nids = (orte_nid_t**)nidmap.addr;
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OPAL_OUTPUT_VERBOSE((2, orte_ess_base_output,
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"%s ess:bproc: proc %s is on host %s",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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ORTE_NAME_PRINT(proc),
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nids[node]->name));
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return nids[node]->name;
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}
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static uint8_t proc_get_local_rank(orte_process_name_t *proc)
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{
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OPAL_OUTPUT_VERBOSE((2, orte_ess_base_output,
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"%s ess:bproc: proc %s has local rank %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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ORTE_NAME_PRINT(proc),
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(int)pmap[proc->vpid].local_rank));
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return pmap[proc->vpid].local_rank;
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}
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static uint8_t proc_get_node_rank(orte_process_name_t *proc)
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{
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OPAL_OUTPUT_VERBOSE((2, orte_ess_base_output,
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"%s ess:bproc: proc %s has node rank %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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ORTE_NAME_PRINT(proc),
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(int)pmap[proc->vpid].node_rank));
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return pmap[proc->vpid].node_rank;
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}
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/**
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* Sets up the process name from the information put into the environment
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* by the bproc launcher.
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* @retval ORTE_SUCCESS
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* @retval error
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*/
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static int bproc_set_name(void)
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{
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int rc;
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int id;
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char *jobid_str, *vpid_string, *bproc_rank_string;
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orte_jobid_t jobid;
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orte_vpid_t vpid_start;
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int stride, bproc_rank;
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id = mca_base_param_register_string("orte", "ess", "jobid", NULL, NULL);
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mca_base_param_lookup_string(id, &jobid_str);
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if (NULL == jobid_str) {
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ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
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return ORTE_ERR_NOT_FOUND;
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}
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if (ORTE_SUCCESS != (rc = orte_util_convert_string_to_jobid(&jobid, jobid_str))) {
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ORTE_ERROR_LOG(rc);
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return(rc);
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}
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free(jobid_str);
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ORTE_PROC_MY_NAME->jobid = jobid;
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/* BPROC_RANK is set by bproc when we do a parallel launch */
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bproc_rank_string = getenv("BPROC_RANK");
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if (NULL == bproc_rank_string) {
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opal_output(0, "ess:bproc_get: Error: Environment variable "
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"BPROC_RANK not found.\n");
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ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
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return ORTE_ERR_NOT_FOUND;
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}
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bproc_rank = (int)strtol(bproc_rank_string, NULL, 10);
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/* to compute our process name, we need to know two other things: the
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* stride (i.e., the size of the step between vpids in this launch
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* wave) and the starting vpid of this launch. Get those values here
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*/
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id = mca_base_param_register_int("orte", "ess_bproc", "stride", NULL, -1);
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mca_base_param_lookup_int(id, &stride);
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if (stride < 0) {
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ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
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return ORTE_ERR_NOT_FOUND;
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}
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id = mca_base_param_register_string("orte", "ess_bproc", "vpid_start", NULL, NULL);
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mca_base_param_lookup_string(id, &vpid_string);
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if (NULL == vpid_string) {
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ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
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return ORTE_ERR_NOT_FOUND;
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}
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rc = orte_util_convert_string_to_vpid(&vpid_start, vpid_string);
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if (ORTE_SUCCESS != rc) {
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ORTE_ERROR_LOG(rc);
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return(rc);
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}
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/* compute our vpid */
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ORTE_PROC_MY_NAME->vpid = vpid_start + (bproc_rank * stride);
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if(NULL != orte_process_info.nodename) {
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free(orte_process_info.nodename);
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}
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asprintf(&orte_process_info.nodename, "%d", bproc_currnode());
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return ORTE_SUCCESS;
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}
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