3a0d09300b
Comm_spawn still uses the rank=0 method - shifting that algo to the daemons is under study. This commit was SVN r18115.
178 строки
4.2 KiB
C
178 строки
4.2 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 (c) 2007 Sun Microsystems, Inc. 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 <string.h>
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif /* HAVE_SYS_TIME_H */
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#include "opal/dss/dss.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/mca/rml/rml_types.h"
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#include "grpcomm_cnos.h"
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#if OMPI_GRPCOMM_CNOS_HAVE_BARRIER
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#include <catamount/cnos_mpi_os.h>
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#endif
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/* API functions */
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static int init(void);
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static void finalize(void);
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static int xcast(orte_jobid_t job,
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opal_buffer_t *buffer,
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orte_rml_tag_t tag);
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static int orte_grpcomm_cnos_barrier(orte_jobid_t jobid);
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static int allgather(orte_jobid_t jobid, opal_buffer_t *sbuf, opal_buffer_t *rbuf);
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static int allgather_list(opal_list_t *names, opal_buffer_t *sbuf, opal_buffer_t *rbuf);
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static int next_recips(opal_list_t *names, orte_grpcomm_mode_t mode);
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static int set_proc_attr(const char *attr_name,
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const void *data,
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size_t size);
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static int get_proc_attr(const orte_process_name_t proc,
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const char * attribute_name, void **val,
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size_t *size);
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static int modex(opal_list_t *procs);
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static int purge_proc_attrs(void);
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orte_grpcomm_base_module_t orte_grpcomm_cnos_module = {
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init,
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finalize,
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xcast,
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allgather,
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allgather_list,
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orte_grpcomm_cnos_barrier,
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next_recips,
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set_proc_attr,
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get_proc_attr,
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modex,
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purge_proc_attrs
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};
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/**
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* Init the module
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*/
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static int init(void)
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{
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return ORTE_SUCCESS;
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}
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/**
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* Finalize module
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*/
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static void finalize(void)
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{
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return;
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}
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/**
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* A "broadcast-like" function to a job's processes.
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* @param jobid The job whose processes are to receive the message
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* @param buffer The data to broadcast
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*/
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/* Blocking version */
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static int xcast(orte_jobid_t job,
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opal_buffer_t *buffer,
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orte_rml_tag_t tag)
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{
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return ORTE_SUCCESS;
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}
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static int
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orte_grpcomm_cnos_barrier(orte_jobid_t jobid)
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{
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#if OMPI_GRPCOMM_CNOS_HAVE_BARRIER
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cnos_barrier();
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#endif
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return ORTE_SUCCESS;
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}
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static int allgather(orte_jobid_t jobid, opal_buffer_t *sbuf, opal_buffer_t *rbuf)
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{
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int rc;
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orte_std_cntr_t zero=0;
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/* seed the outgoing buffer with num_procs=0 so it won't be unpacked */
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if (ORTE_SUCCESS != (rc = opal_dss.pack(rbuf, &zero, 1, ORTE_STD_CNTR))) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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return rc;
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}
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static int allgather_list(opal_list_t *names, opal_buffer_t *sbuf, opal_buffer_t *rbuf)
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{
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int rc;
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orte_std_cntr_t zero=0;
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/* seed the outgoing buffer with num_procs=0 so it won't be unpacked */
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if (ORTE_SUCCESS != (rc = opal_dss.pack(rbuf, &zero, 1, ORTE_STD_CNTR))) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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return rc;
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}
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static int next_recips(opal_list_t *names, orte_grpcomm_mode_t mode)
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{
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/* nothing to do here */
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return ORTE_SUCCESS;
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}
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static int set_proc_attr(const char *attr_name,
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const void *data,
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size_t size)
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{
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return ORTE_SUCCESS;
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}
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static int get_proc_attr(const orte_process_name_t proc,
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const char * attribute_name, void **val,
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size_t *size)
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{
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return ORTE_ERR_NOT_IMPLEMENTED;
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}
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static int modex(opal_list_t *procs)
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{
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return ORTE_SUCCESS;
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}
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static int purge_proc_attrs(void)
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{
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return ORTE_SUCCESS;
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}
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