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openmpi/orte/mca/grpcomm/base/base.h

94 строки
3.5 KiB
C
Исходник Обычный вид История

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 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
*
* $HEADER$
*/
/** @file:
*/
#ifndef MCA_GRPCOMM_BASE_H
#define MCA_GRPCOMM_BASE_H
/*
* includes
*/
#include "orte_config.h"
#include "opal/class/opal_list.h"
#include "opal/mca/mca.h"
#include "orte/mca/grpcomm/grpcomm.h"
/*
* Global functions for MCA overall collective open and close
*/
BEGIN_C_DECLS
/*
* function definitions
*/
ORTE_DECLSPEC int orte_grpcomm_base_open(void);
ORTE_DECLSPEC int orte_grpcomm_base_select(void);
ORTE_DECLSPEC int orte_grpcomm_base_close(void);
/*
* globals that might be needed
*/
ORTE_DECLSPEC extern int orte_grpcomm_base_output;
ORTE_DECLSPEC extern bool mca_grpcomm_base_selected;
ORTE_DECLSPEC extern opal_list_t mca_grpcomm_base_components_available;
ORTE_DECLSPEC extern orte_grpcomm_base_component_t mca_grpcomm_base_selected_component;
ORTE_DECLSPEC extern int orte_grpcomm_profile_fd;
#if !ORTE_DISABLE_FULL_SUPPORT
/*
* Base functions
*/
ORTE_DECLSPEC int orte_grpcomm_base_allgather_list(opal_list_t *names,
opal_buffer_t *sbuf,
opal_buffer_t *rbuf);
ORTE_DECLSPEC int orte_grpcomm_base_set_proc_attr(const char *attr_name,
const void *data,
size_t size);
ORTE_DECLSPEC int orte_grpcomm_base_get_proc_attr(const orte_process_name_t proc,
const char * attribute_name, void **val,
size_t *size);
ORTE_DECLSPEC int orte_grpcomm_base_peer_modex(bool modex_db);
ORTE_DECLSPEC int orte_grpcomm_base_full_modex(opal_list_t *procs, bool modex_db);
ORTE_DECLSPEC int orte_grpcomm_base_purge_proc_attrs(void);
ORTE_DECLSPEC int orte_grpcomm_base_modex_init(void);
ORTE_DECLSPEC void orte_grpcomm_base_modex_finalize(void);
ORTE_DECLSPEC int orte_grpcomm_base_pack_modex_entries(opal_buffer_t *buf, bool *modex_reqd);
ORTE_DECLSPEC int orte_grpcomm_base_update_modex_entries(orte_process_name_t *proc_name,
opal_buffer_t *rbuf);
Enable modex-less launch. Consists of: 1. minor modification to include two new opal MCA params: (a) opal_profile: outputs what components were selected by each framework currently enabled for most, but not all, frameworks (b) opal_profile_file: name of file that contains profile info required for modex 2. introduction of two new tools: (a) ompi-probe: MPI process that simply calls MPI_Init/Finalize with opal_profile set. Also reports back the rml IP address for all interfaces on the node (b) ompi-profiler: uses ompi-probe to create the profile_file, also reports out a summary of what framework components are actually being used to help with configuration options 3. modification of the grpcomm basic component to utilize the profile file in place of the modex where possible 4. modification of orterun so it properly sees opal mca params and handles opal_profile correctly to ensure we don't get its profile 5. similar mod to orted as for orterun 6. addition of new test that calls orte_init followed by calls to grpcomm.barrier This is all completely benign unless actively selected. At the moment, it only supports modex-less launch for openib-based systems. Minor mod to the TCP btl would be required to enable it as well, if people are interested. Similarly, anyone interested in enabling other BTL's for modex-less operation should let me know and I'll give you the magic details. This seems to significantly improve scalability provided the file can be locally located on the nodes. I'm looking at an alternative means of disseminating the info (perhaps in launch message) as an option for removing that constraint. This commit was SVN r20098.
2008-12-10 02:49:02 +03:00
ORTE_DECLSPEC int orte_grpcomm_base_load_modex_data(orte_process_name_t *proc, char *attribute_name,
void *data, int num_bytes);
/* Tuned collectives */
ORTE_DECLSPEC void orte_grpcomm_base_coll_recv(int status, orte_process_name_t* sender,
opal_buffer_t* buffer, orte_rml_tag_t tag,
void* cbdata);
ORTE_DECLSPEC int orte_grpcomm_base_allgather(opal_buffer_t *sendbuf, opal_buffer_t *recvbuf, int32_t num_entries,
orte_jobid_t jobid, orte_vpid_t np, orte_vpid_t *vpids);
#endif /* ORTE_DISABLE_FULL_SUPPORT */
END_C_DECLS
#endif