294 строки
11 KiB
C
294 строки
11 KiB
C
/*
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* Copyright (c) 2004-2007 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) 2006-2011 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2011 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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#include "orte_config.h"
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#include "orte/constants.h"
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#include "orte/types.h"
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#include <errno.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 "opal/util/if.h"
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#include "opal/mca/hwloc/hwloc.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/mca/ess/ess.h"
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#include "orte/util/hostfile/hostfile.h"
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#include "orte/util/dash_host/dash_host.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/mca/rmaps/base/rmaps_private.h"
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#include "orte/mca/rmaps/base/base.h"
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#include "rmaps_seq.h"
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static int orte_rmaps_seq_map(orte_job_t *jdata);
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/* define the module */
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orte_rmaps_base_module_t orte_rmaps_seq_module = {
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orte_rmaps_seq_map
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};
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/*
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* Sequentially map the ranks according to the placement in the
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* specified hostfile
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*/
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static int orte_rmaps_seq_map(orte_job_t *jdata)
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{
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orte_job_map_t *map;
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orte_app_context_t *app;
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int i, n;
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orte_std_cntr_t j;
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opal_list_item_t *item;
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orte_node_t *node, *nd, *save=NULL;
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orte_vpid_t vpid;
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orte_std_cntr_t num_nodes;
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int rc;
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opal_list_t *default_node_list=NULL;
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opal_list_t *node_list=NULL;
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orte_proc_t *proc;
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mca_base_component_t *c = &mca_rmaps_seq_component.base_version;
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OPAL_OUTPUT_VERBOSE((1, orte_rmaps_base_framework.framework_output,
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"%s rmaps:seq mapping job %s",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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ORTE_JOBID_PRINT(jdata->jobid)));
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/* this mapper can only handle initial launch
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* when seq mapping is desired - allow
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* restarting of failed apps
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*/
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if (ORTE_JOB_CONTROL_RESTART & jdata->controls) {
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opal_output_verbose(5, orte_rmaps_base_framework.framework_output,
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"mca:rmaps:seq: job %s is being restarted - seq cannot map",
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ORTE_JOBID_PRINT(jdata->jobid));
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return ORTE_ERR_TAKE_NEXT_OPTION;
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}
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if (NULL != jdata->map->req_mapper &&
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0 != strcasecmp(jdata->map->req_mapper, c->mca_component_name)) {
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/* a mapper has been specified, and it isn't me */
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opal_output_verbose(5, orte_rmaps_base_framework.framework_output,
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"mca:rmaps:seq: job %s not using sequential mapper",
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ORTE_JOBID_PRINT(jdata->jobid));
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return ORTE_ERR_TAKE_NEXT_OPTION;
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}
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if (ORTE_MAPPING_SEQ != ORTE_GET_MAPPING_POLICY(jdata->map->mapping)) {
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/* I don't know how to do these - defer */
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opal_output_verbose(5, orte_rmaps_base_framework.framework_output,
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"mca:rmaps:seq: job %s not using seq mapper",
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ORTE_JOBID_PRINT(jdata->jobid));
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return ORTE_ERR_TAKE_NEXT_OPTION;
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}
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opal_output_verbose(5, orte_rmaps_base_framework.framework_output,
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"mca:rmaps:seq: mapping job %s",
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ORTE_JOBID_PRINT(jdata->jobid));
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/* flag that I did the mapping */
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if (NULL != jdata->map->last_mapper) {
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free(jdata->map->last_mapper);
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}
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jdata->map->last_mapper = strdup(c->mca_component_name);
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/* conveniece def */
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map = jdata->map;
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/* if there is a default hostfile, go and get its ordered list of nodes */
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if (NULL != orte_default_hostfile) {
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default_node_list = OBJ_NEW(opal_list_t);
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if (ORTE_SUCCESS != (rc = orte_util_get_ordered_host_list(default_node_list, orte_default_hostfile))) {
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ORTE_ERROR_LOG(rc);
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goto error;
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}
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}
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/* start at the beginning... */
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vpid = 0;
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jdata->num_procs = 0;
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if (NULL != default_node_list) {
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save = (orte_node_t*)opal_list_get_first(default_node_list);
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}
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/* cycle through the app_contexts, mapping them sequentially */
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for(i=0; i < jdata->apps->size; i++) {
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if (NULL == (app = (orte_app_context_t*)opal_pointer_array_get_item(jdata->apps, i))) {
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continue;
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}
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/* dash-host trumps hostfile */
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if (NULL != app->dash_host) {
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node_list = OBJ_NEW(opal_list_t);
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if (ORTE_SUCCESS != (rc = orte_util_get_ordered_dash_host_list(node_list, app->dash_host))) {
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ORTE_ERROR_LOG(rc);
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goto error;
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}
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nd = (orte_node_t*)opal_list_get_first(node_list);
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} else if (NULL != app->hostfile) {
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node_list = OBJ_NEW(opal_list_t);
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if (ORTE_SUCCESS != (rc = orte_util_get_ordered_host_list(node_list, app->hostfile))) {
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ORTE_ERROR_LOG(rc);
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goto error;
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}
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nd = (orte_node_t*)opal_list_get_first(node_list);
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} else if (NULL != default_node_list) {
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node_list = default_node_list;
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nd = save;
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} else {
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/* can't do anything - no nodes available! */
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orte_show_help("help-orte-rmaps-base.txt",
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"orte-rmaps-base:no-available-resources",
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true);
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return ORTE_ERR_SILENT;
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}
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/* check for nolocal and remove the head node, if required */
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if (map->mapping & ORTE_MAPPING_NO_USE_LOCAL) {
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for (item = opal_list_get_first(node_list);
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item != opal_list_get_end(node_list);
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item = opal_list_get_next(item) ) {
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node = (orte_node_t*)item;
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/* need to check ifislocal because the name in the
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* hostfile may not have been FQDN, while name returned
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* by gethostname may have been (or vice versa)
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*/
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if (opal_ifislocal(node->name)) {
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opal_list_remove_item(node_list, item);
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OBJ_RELEASE(item); /* "un-retain" it */
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}
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}
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}
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if (NULL == node_list || 0 == (num_nodes = (orte_std_cntr_t)opal_list_get_size(node_list))) {
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orte_show_help("help-orte-rmaps-base.txt",
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"orte-rmaps-base:no-available-resources",
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true);
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return ORTE_ERR_SILENT;
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}
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/* if num_procs wasn't specified, set it now */
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if (0 == app->num_procs) {
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app->num_procs = num_nodes;
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}
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for (n=0; n < app->num_procs; n++) {
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/* find this node on the global array - this is necessary so
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* that our mapping gets saved on that array as the objects
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* returned by the hostfile function are -not- on the array
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*/
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node = NULL;
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for (j=0; j < orte_node_pool->size; j++) {
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if (NULL == (node = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, j))) {
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continue;
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}
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if (0 == strcmp(nd->name, node->name)) {
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break;
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}
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}
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if (NULL == node) {
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/* wasn't found - that is an error */
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orte_show_help("help-orte-rmaps-seq.txt",
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"orte-rmaps-seq:resource-not-found",
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true, nd->name);
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rc = ORTE_ERR_SILENT;
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goto error;
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}
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/* ensure the node is in the map */
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if (!node->mapped) {
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OBJ_RETAIN(node);
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opal_pointer_array_add(map->nodes, node);
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node->mapped = true;
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}
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proc = orte_rmaps_base_setup_proc(jdata, node, i);
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if ((node->slots < (int)node->num_procs) ||
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(0 < node->slots_max && node->slots_max < (int)node->num_procs)) {
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if (ORTE_MAPPING_NO_OVERSUBSCRIBE & ORTE_GET_MAPPING_DIRECTIVE(jdata->map->mapping)) {
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orte_show_help("help-orte-rmaps-base.txt", "orte-rmaps-base:alloc-error",
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true, node->num_procs, app->app);
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rc = ORTE_ERR_SILENT;
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goto error;
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}
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/* flag the node as oversubscribed so that sched-yield gets
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* properly set
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*/
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node->oversubscribed = true;
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}
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/* assign the vpid */
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proc->name.vpid = vpid++;
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#if OPAL_HAVE_HWLOC
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/* assign the locale - okay for the topo to be null as
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* it just means it wasn't returned
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*/
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if (NULL != node->topology) {
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proc->locale = hwloc_get_root_obj(node->topology);
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}
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#endif
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/* add to the jdata proc array */
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if (ORTE_SUCCESS != (rc = opal_pointer_array_set_item(jdata->procs, proc->name.vpid, proc))) {
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ORTE_ERROR_LOG(rc);
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goto error;
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}
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/* move to next node */
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nd = (orte_node_t*)opal_list_get_next((opal_list_item_t*)nd);
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}
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/** track the total number of processes we mapped */
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jdata->num_procs += app->num_procs;
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/* cleanup the node list if it came from this app_context */
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if (node_list != default_node_list) {
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while (NULL != (item = opal_list_remove_first(node_list))) {
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OBJ_RELEASE(item);
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}
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OBJ_RELEASE(node_list);
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} else {
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save = nd;
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}
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}
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return ORTE_SUCCESS;
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error:
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if (NULL != default_node_list) {
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while (NULL != (item = opal_list_remove_first(default_node_list))) {
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OBJ_RELEASE(item);
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}
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OBJ_RELEASE(default_node_list);
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}
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if (NULL != node_list) {
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while (NULL != (item = opal_list_remove_first(node_list))) {
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OBJ_RELEASE(item);
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}
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OBJ_RELEASE(node_list);
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}
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return rc;
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}
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