26d8fe70c3
This commit brings over all the work from the /tmp-public/datarep branch. See commits r16855, r16859, r16860 for the highlights of what was done. This commit was SVN r16891. The following SVN revisions from the original message are invalid or inconsistent and therefore were not cross-referenced: r16855 r16859 r16860 The following Trac tickets were found above: Ticket 1029 --> https://svn.open-mpi.org/trac/ompi/ticket/1029
782 строки
28 KiB
C
782 строки
28 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) 2004-2005 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) 2006-2007 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2006-2007 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2006 University of Houston. All rights reserved.
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*
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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 "ompi_config.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 "mpi.h"
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#include "opal/class/opal_list.h"
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#include "opal/mca/base/base.h"
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#include "opal/mca/paffinity/base/base.h"
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#include "opal/mca/maffinity/base/base.h"
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#include "opal/runtime/opal_progress.h"
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#include "opal/threads/threads.h"
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#include "opal/util/show_help.h"
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#include "opal/util/stacktrace.h"
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#include "opal/util/num_procs.h"
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#include "opal/runtime/opal.h"
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#include "opal/event/event.h"
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#include "orte/util/sys_info.h"
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#include "orte/util/proc_info.h"
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#include "orte/util/session_dir.h"
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#include "orte/runtime/runtime.h"
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#include "orte/mca/ns/ns.h"
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#include "orte/mca/ns/base/base.h"
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#include "orte/mca/gpr/gpr.h"
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#include "orte/mca/rml/rml.h"
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#include "orte/mca/schema/schema.h"
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#include "orte/mca/smr/smr.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/mca/grpcomm/grpcomm.h"
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#include "orte/runtime/params.h"
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#include "ompi/constants.h"
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#include "ompi/mpi/f77/constants.h"
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#include "ompi/runtime/mpiruntime.h"
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#include "ompi/runtime/params.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/group/group.h"
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#include "ompi/info/info.h"
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#include "ompi/errhandler/errcode.h"
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#include "ompi/request/request.h"
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#include "ompi/op/op.h"
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#include "ompi/file/file.h"
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#include "ompi/attribute/attribute.h"
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#include "ompi/mca/allocator/base/base.h"
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#include "ompi/mca/allocator/allocator.h"
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#include "ompi/mca/rcache/base/base.h"
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#include "ompi/mca/rcache/rcache.h"
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#include "ompi/mca/mpool/base/base.h"
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#include "ompi/mca/mpool/mpool.h"
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#include "ompi/mca/pml/pml.h"
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#include "ompi/runtime/ompi_module_exchange.h"
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#include "ompi/mca/pml/base/base.h"
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#include "ompi/mca/osc/base/base.h"
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#include "ompi/mca/coll/coll.h"
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#include "ompi/mca/coll/base/base.h"
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#include "ompi/mca/io/io.h"
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#include "ompi/mca/io/base/base.h"
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#include "ompi/debuggers/debuggers.h"
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#include "ompi/proc/proc.h"
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#include "ompi/mca/pml/base/pml_base_bsend.h"
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#if OPAL_ENABLE_FT == 1
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#include "ompi/mca/crcp/crcp.h"
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#include "ompi/mca/crcp/base/base.h"
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#endif
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#include "ompi/runtime/ompi_cr.h"
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/*
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* Global variables and symbols for the MPI layer
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*/
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bool ompi_mpi_initialized = false;
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bool ompi_mpi_finalized = false;
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bool ompi_mpi_thread_multiple = false;
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int ompi_mpi_thread_requested = MPI_THREAD_SINGLE;
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int ompi_mpi_thread_provided = MPI_THREAD_SINGLE;
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opal_thread_t *ompi_mpi_main_thread = NULL;
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bool ompi_mpi_maffinity_setup = false;
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/*
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* These variables are here, rather than under ompi/mpi/c/foo.c
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* because it is not sufficient to have a .c file that only contains
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* variables -- you must have a function that is invoked from
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* elsewhere in the code to guarantee that all linkers will pull in
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* the .o file from the library. Hence, although these are MPI
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* constants, we might as well just define them here (i.e., in a file
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* that already has a function that is guaranteed to be linked in,
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* rather than make a new .c file with the constants and a
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* corresponding dummy function that is invoked from this function).
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*
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* Additionally, there can be/are strange linking paths such that
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* ompi_info needs symbols such as ompi_fortran_status_ignore,
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* which, if they weren't here with a collection of other global
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* symbols that are initialized (which seems to force this .o file to
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* be pulled into the resolution process, because ompi_info certainly
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* does not call ompi_mpi_init()), would not be able to be found by
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* the OSX linker.
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*
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* NOTE: See the big comment in ompi/mpi/f77/constants.h about why we
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* have four symbols for each of the common blocks (e.g., the Fortran
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* equivalent(s) of MPI_STATUS_IGNORE). Here, we can only have *one*
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* value (not four). So the only thing we can do is make it equal to
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* the fortran compiler convention that was selected at configure
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* time. Note that this is also true for the value of .TRUE. from the
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* Fortran compiler, so even though Open MPI supports all four Fortran
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* symbol conventions, it can only support one convention for the two
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* C constants (MPI_FORTRAN_STATUS[ES]_IGNORE) and only support one
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* compiler for the value of .TRUE. Ugh!!
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*
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* Note that the casts here are ok -- we're *only* comparing pointer
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* values (i.e., they'll never be de-referenced). The global symbols
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* are actually of type (ompi_fortran_common_t) (for alignment
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* issues), but MPI says that MPI_F_STATUS[ES]_IGNORE must be of type
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* (MPI_Fint*). Hence, we have to cast to make compilers not
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* complain.
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*/
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#if OMPI_WANT_F77_BINDINGS
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# if OMPI_F77_CAPS
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MPI_Fint *MPI_F_STATUS_IGNORE = (MPI_Fint*) &MPI_FORTRAN_STATUS_IGNORE;
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MPI_Fint *MPI_F_STATUSES_IGNORE = (MPI_Fint*) &MPI_FORTRAN_STATUSES_IGNORE;
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# elif OMPI_F77_PLAIN
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MPI_Fint *MPI_F_STATUS_IGNORE = (MPI_Fint*) &mpi_fortran_status_ignore;
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MPI_Fint *MPI_F_STATUSES_IGNORE = (MPI_Fint*) &mpi_fortran_statuses_ignore;
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# elif OMPI_F77_SINGLE_UNDERSCORE
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MPI_Fint *MPI_F_STATUS_IGNORE = (MPI_Fint*) &mpi_fortran_status_ignore_;
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MPI_Fint *MPI_F_STATUSES_IGNORE = (MPI_Fint*) &mpi_fortran_statuses_ignore_;
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# elif OMPI_F77_DOUBLE_UNDERSCORE
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MPI_Fint *MPI_F_STATUS_IGNORE = (MPI_Fint*) &mpi_fortran_status_ignore__;
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MPI_Fint *MPI_F_STATUSES_IGNORE = (MPI_Fint*) &mpi_fortran_statuses_ignore__;
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# else
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# error Unrecognized Fortran 77 name mangling scheme
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# endif
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#else
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MPI_Fint *MPI_F_STATUS_IGNORE = NULL;
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MPI_Fint *MPI_F_STATUSES_IGNORE = NULL;
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#endif /* OMPI_WANT_F77_BINDINGS */
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/* Constants for the Fortran layer. These values are referred to via
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common blocks in the Fortran equivalents. See
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ompi/mpi/f77/constants.h for a more detailed explanation.
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The values are *NOT* initialized. We do not use the values of
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these constants; only their addresses (because they're always
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passed by reference by Fortran).
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Initializing upon instantiation these can reveal size and/or
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alignment differences between Fortran and C (!) which can cause
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warnings or errors upon linking (e.g., making static libraries with
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the intel 9.0 compilers on 64 bit platforms shows alignment
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differences between libmpi.a and the user's application, resulting
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in a linker warning). FWIW, if you initialize these variables in
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functions (i.e., not at the instantiation in the global scope), the
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linker somehow "figures it all out" (w.r.t. different alignments
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between fortan common blocks and the corresponding C variables) and
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no linker warnings occur.
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Note that the rationale for the types of each of these variables is
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discussed in ompi/include/mpif-common.h. Do not change the types
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without also modifying ompi/mpi/f77/constants.h and
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ompi/include/mpif-common.h.
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*/
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#define INST(type, upper_case, lower_case, single_u, double_u) \
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type lower_case; \
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type upper_case; \
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type single_u; \
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type double_u
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INST(int, MPI_FORTRAN_BOTTOM, mpi_fortran_bottom,
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mpi_fortran_bottom_, mpi_fortran_bottom__);
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INST(int, MPI_FORTRAN_IN_PLACE, mpi_fortran_in_place,
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mpi_fortran_in_place_, mpi_fortran_in_place__);
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INST(char *, MPI_FORTRAN_ARGV_NULL, mpi_fortran_argv_null,
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mpi_fortran_argv_null_, mpi_fortran_argv_null__);
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INST(double, MPI_FORTRAN_ARGVS_NULL, mpi_fortran_argvs_null,
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mpi_fortran_argvs_null_, mpi_fortran_argvs_null__);
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INST(int *, MPI_FORTRAN_ERRCODES_IGNORE, mpi_fortran_errcodes_ignore,
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mpi_fortran_errcodes_ignore_, mpi_fortran_errcodes_ignore__);
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INST(int *, MPI_FORTRAN_STATUS_IGNORE, mpi_fortran_status_ignore,
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mpi_fortran_status_ignore_, mpi_fortran_status_ignore__);
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INST (double, MPI_FORTRAN_STATUSES_IGNORE, mpi_fortran_statuses_ignore,
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mpi_fortran_statuses_ignore_, mpi_fortran_statuses_ignore__);
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/*
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* Per MPI-2:9.5.3, MPI_REGISTER_DATAREP is a memory leak. There is
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* no way to *de*register datareps once they've been registered. So
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* we have to track all registrations here so that they can be
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* de-registered during MPI_FINALIZE so that memory-tracking debuggers
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* don't show Open MPI as leaking memory.
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*/
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opal_list_t ompi_registered_datareps;
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int ompi_mpi_init(int argc, char **argv, int requested, int *provided)
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{
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int ret;
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ompi_proc_t** procs;
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size_t nprocs;
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char *error = NULL;
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orte_buffer_t mdx_buf, rbuf;
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bool timing = false;
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int param, value;
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struct timeval ompistart, ompistop;
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#if 0
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/* see comment below about sched_yield */
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int num_processors;
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#endif
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/* Join the run-time environment - do the things that don't hit
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the registry */
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if (ORTE_SUCCESS != (ret = opal_init())) {
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error = "ompi_mpi_init: opal_init failed";
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goto error;
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}
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/* check to see if we want timing information */
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param = mca_base_param_reg_int_name("ompi", "timing",
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"Request that critical timing loops be measured",
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false, false, 0, &value);
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if (value != 0) {
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timing = true;
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gettimeofday(&ompistart, NULL);
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}
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/* Setup ORTE stage 1, note that we are not infrastructre */
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if (ORTE_SUCCESS != (ret = orte_init(ORTE_NON_INFRASTRUCTURE))) {
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error = "ompi_mpi_init: orte_init failed";
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goto error;
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}
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/* register myself to require that I finalize before exiting */
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if (ORTE_SUCCESS != (ret = orte_smr.register_sync())) {
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error = "ompi_mpi_init: register sync failed";
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goto error;
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}
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/* check for timing request - get stop time and report elapsed time if so */
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if (timing) {
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gettimeofday(&ompistop, NULL);
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opal_output(0, "ompi_mpi_init [%ld]: time from start to completion of orte_init %ld usec",
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(long)ORTE_PROC_MY_NAME->vpid,
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(long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
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(ompistop.tv_usec - ompistart.tv_usec)));
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gettimeofday(&ompistart, NULL);
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}
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/* Once we've joined the RTE, see if any MCA parameters were
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passed to the MPI level */
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if (OMPI_SUCCESS != (ret = ompi_mpi_register_params())) {
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error = "mca_mpi_register_params() failed";
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goto error;
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}
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/* Setup process affinity */
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if (ompi_mpi_paffinity_alone) {
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bool set = false;
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param = mca_base_param_find("mpi", NULL, "paffinity_processor");
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if (param >= 0) {
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if (OMPI_SUCCESS == mca_base_param_lookup_int(param, &value)) {
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if (value >= 0) {
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opal_paffinity_base_cpu_set_t mpi_cpumask;
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OPAL_PAFFINITY_CPU_ZERO(mpi_cpumask);
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OPAL_PAFFINITY_CPU_SET(value,mpi_cpumask);
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if (OPAL_SUCCESS == opal_paffinity_base_set(mpi_cpumask)) {
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set = true;
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}
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}
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}
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if (!set) {
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char *vpid;
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orte_ns.get_vpid_string(&vpid, orte_process_info.my_name);
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opal_show_help("help-mpi-runtime",
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"mpi_init:startup:paffinity-unavailable",
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true, vpid);
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free(vpid);
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}
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/* If we were able to set processor affinity, try setting
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up memory affinity */
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else {
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if (OPAL_SUCCESS == opal_maffinity_base_open() &&
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OPAL_SUCCESS == opal_maffinity_base_select()) {
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ompi_mpi_maffinity_setup = true;
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}
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}
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}
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}
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/* initialize datatypes. This step should be done early as it will
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* create the local convertor and local arch used in the proc
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* init.
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*/
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if (OMPI_SUCCESS != (ret = ompi_ddt_init())) {
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error = "ompi_ddt_init() failed";
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goto error;
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}
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/* Initialize module exchange - this MUST happen before proc_init
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* as proc_init needs to send modex info!
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*/
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if (OMPI_SUCCESS != (ret = ompi_modex_init())) {
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error = "ompi_modex_init() failed";
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goto error;
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}
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/* Initialize OMPI procs */
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if (OMPI_SUCCESS != (ret = ompi_proc_init())) {
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error = "mca_proc_init() failed";
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goto error;
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}
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/* initialize ops. This has to be done *after* ddt_init, but
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befor mca_coll_base_open, since come collective modules
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(e.g. the hierarchical) need them in the query function
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*/
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if (OMPI_SUCCESS != (ret = ompi_op_init())) {
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error = "ompi_op_init() failed";
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goto error;
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}
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/* Open up MPI-related MCA components */
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if (OMPI_SUCCESS != (ret = mca_allocator_base_open())) {
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error = "mca_allocator_base_open() failed";
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goto error;
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}
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if (OMPI_SUCCESS != (ret = mca_rcache_base_open())) {
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error = "mca_rcache_base_open() failed";
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goto error;
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}
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if (OMPI_SUCCESS != (ret = mca_mpool_base_open())) {
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error = "mca_mpool_base_open() failed";
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goto error;
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}
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if (OMPI_SUCCESS != (ret = mca_pml_base_open())) {
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error = "mca_pml_base_open() failed";
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goto error;
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}
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if (OMPI_SUCCESS != (ret = mca_coll_base_open())) {
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error = "mca_coll_base_open() failed";
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goto error;
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}
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if (OMPI_SUCCESS != (ret = ompi_osc_base_open())) {
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error = "ompi_osc_base_open() failed";
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goto error;
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}
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#if OPAL_ENABLE_FT == 1
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if (OMPI_SUCCESS != (ret = ompi_crcp_base_open())) {
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error = "ompi_crcp_base_open() failed";
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goto error;
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}
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#endif
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/* In order to reduce the common case for MPI apps (where they
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don't use MPI-2 IO or MPI-1 topology functions), the io and
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topo frameworks are initialized lazily, at the first use of
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relevant functions (e.g., MPI_FILE_*, MPI_CART_*, MPI_GRAPH_*),
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so they are not opened here. */
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/* Select which MPI components to use */
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if (OMPI_SUCCESS !=
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(ret = mca_mpool_base_init(OMPI_ENABLE_PROGRESS_THREADS,
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OMPI_ENABLE_MPI_THREADS))) {
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error = "mca_mpool_base_init() failed";
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goto error;
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}
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if (OMPI_SUCCESS !=
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(ret = mca_pml_base_select(OMPI_ENABLE_PROGRESS_THREADS,
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OMPI_ENABLE_MPI_THREADS))) {
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error = "mca_pml_base_select() failed";
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goto error;
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}
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/* select buffered send allocator component to be used */
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ret=mca_pml_base_bsend_init(OMPI_ENABLE_MPI_THREADS);
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if( OMPI_SUCCESS != ret ) {
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error = "mca_pml_base_bsend_init() failed";
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goto error;
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}
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if (OMPI_SUCCESS !=
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(ret = mca_coll_base_find_available(OMPI_ENABLE_PROGRESS_THREADS,
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OMPI_ENABLE_MPI_THREADS))) {
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error = "mca_coll_base_find_available() failed";
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goto error;
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}
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if (OMPI_SUCCESS !=
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(ret = ompi_osc_base_find_available(OMPI_ENABLE_PROGRESS_THREADS,
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OMPI_ENABLE_MPI_THREADS))) {
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error = "ompi_osc_base_find_available() failed";
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goto error;
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}
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#if OPAL_ENABLE_FT == 1
|
|
if (OMPI_SUCCESS != (ret = ompi_crcp_base_select() ) ) {
|
|
error = "ompi_crcp_base_select() failed";
|
|
goto error;
|
|
}
|
|
#endif
|
|
|
|
/* io and topo components are not selected here -- see comment
|
|
above about the io and topo frameworks being loaded lazily */
|
|
|
|
/* Initialize each MPI handle subsystem */
|
|
/* initialize requests */
|
|
if (OMPI_SUCCESS != (ret = ompi_request_init())) {
|
|
error = "ompi_request_init() failed";
|
|
goto error;
|
|
}
|
|
|
|
/* initialize info */
|
|
if (OMPI_SUCCESS != (ret = ompi_info_init())) {
|
|
error = "ompi_info_init() failed";
|
|
goto error;
|
|
}
|
|
|
|
/* initialize error handlers */
|
|
if (OMPI_SUCCESS != (ret = ompi_errhandler_init())) {
|
|
error = "ompi_errhandler_init() failed";
|
|
goto error;
|
|
}
|
|
|
|
/* initialize error codes */
|
|
if (OMPI_SUCCESS != (ret = ompi_mpi_errcode_init())) {
|
|
error = "ompi_mpi_errcode_init() failed";
|
|
goto error;
|
|
}
|
|
|
|
/* initialize internal error codes */
|
|
if (OMPI_SUCCESS != (ret = ompi_errcode_intern_init())) {
|
|
error = "ompi_errcode_intern_init() failed";
|
|
goto error;
|
|
}
|
|
|
|
/* initialize groups */
|
|
if (OMPI_SUCCESS != (ret = ompi_group_init())) {
|
|
error = "ompi_group_init() failed";
|
|
goto error;
|
|
}
|
|
|
|
/* initialize communicators */
|
|
if (OMPI_SUCCESS != (ret = ompi_comm_init())) {
|
|
error = "ompi_comm_init() failed";
|
|
goto error;
|
|
}
|
|
|
|
/* initialize file handles */
|
|
if (OMPI_SUCCESS != (ret = ompi_file_init())) {
|
|
error = "ompi_file_init() failed";
|
|
goto error;
|
|
}
|
|
|
|
/* initialize windows */
|
|
if (OMPI_SUCCESS != (ret = ompi_win_init())) {
|
|
error = "ompi_win_init() failed";
|
|
goto error;
|
|
}
|
|
|
|
/* initialize attribute meta-data structure for comm/win/dtype */
|
|
if (OMPI_SUCCESS != (ret = ompi_attr_init())) {
|
|
error = "ompi_attr_init() failed";
|
|
goto error;
|
|
}
|
|
|
|
/* check for timing request - get stop time and report elapsed time if so */
|
|
if (timing) {
|
|
gettimeofday(&ompistop, NULL);
|
|
opal_output(0, "ompi_mpi_init[%ld]: time from completion of orte_init to modex %ld usec",
|
|
(long)ORTE_PROC_MY_NAME->vpid,
|
|
(long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
|
|
(ompistop.tv_usec - ompistart.tv_usec)));
|
|
gettimeofday(&ompistart, NULL);
|
|
}
|
|
|
|
/* get the modex buffer so we can exchange it */
|
|
OBJ_CONSTRUCT(&mdx_buf, orte_buffer_t);
|
|
if (OMPI_SUCCESS != (ret = ompi_modex_get_my_buffer(&mdx_buf))) {
|
|
error = "ompi_modex_execute() failed";
|
|
goto error;
|
|
}
|
|
|
|
/* execute the exchange - this function also acts as a barrier
|
|
* as it will not return until the exchange is complete
|
|
*/
|
|
OBJ_CONSTRUCT(&rbuf, orte_buffer_t);
|
|
if (OMPI_SUCCESS != (ret = orte_grpcomm.allgather(&mdx_buf, &rbuf))) {
|
|
error = "orte_gprcomm_allgather failed";
|
|
goto error;
|
|
}
|
|
OBJ_DESTRUCT(&mdx_buf);
|
|
|
|
/* process the modex data into the proc structures */
|
|
if (OMPI_SUCCESS != (ret = ompi_modex_process_data(&rbuf))) {
|
|
error = "ompi_modex_process_data failed";
|
|
goto error;
|
|
}
|
|
OBJ_DESTRUCT(&rbuf);
|
|
|
|
if (timing) {
|
|
gettimeofday(&ompistop, NULL);
|
|
opal_output(0, "ompi_mpi_init[%ld]: time to execute modex %ld usec",
|
|
(long)ORTE_PROC_MY_NAME->vpid,
|
|
(long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
|
|
(ompistop.tv_usec - ompistart.tv_usec)));
|
|
gettimeofday(&ompistart, NULL);
|
|
}
|
|
|
|
/* Fill in remote proc information */
|
|
if (OMPI_SUCCESS != (ret = ompi_proc_get_info())) {
|
|
ORTE_ERROR_LOG(ret);
|
|
error = "ompi_mpi_init: ompi_proc_get_info failed";
|
|
goto error;
|
|
}
|
|
|
|
/* Figure out the final MPI thread levels. If we were not
|
|
compiled for support for MPI threads, then don't allow
|
|
MPI_THREAD_MULTIPLE. */
|
|
|
|
ompi_mpi_thread_requested = requested;
|
|
if (OMPI_HAVE_THREAD_SUPPORT == 0) {
|
|
ompi_mpi_thread_provided = *provided = MPI_THREAD_SINGLE;
|
|
ompi_mpi_main_thread = NULL;
|
|
} else if (OMPI_ENABLE_MPI_THREADS == 1) {
|
|
ompi_mpi_thread_provided = *provided = requested;
|
|
ompi_mpi_main_thread = opal_thread_get_self();
|
|
} else {
|
|
if (MPI_THREAD_MULTIPLE == requested) {
|
|
ompi_mpi_thread_provided = *provided = MPI_THREAD_SERIALIZED;
|
|
} else {
|
|
ompi_mpi_thread_provided = *provided = requested;
|
|
}
|
|
ompi_mpi_main_thread = opal_thread_get_self();
|
|
}
|
|
|
|
ompi_mpi_thread_multiple = (ompi_mpi_thread_provided ==
|
|
MPI_THREAD_MULTIPLE);
|
|
if ((OMPI_ENABLE_PROGRESS_THREADS == 1) ||
|
|
(*provided != MPI_THREAD_SINGLE)) {
|
|
opal_set_using_threads(true);
|
|
}
|
|
|
|
/* start PML/BTL's */
|
|
ret = MCA_PML_CALL(enable(true));
|
|
if( OMPI_SUCCESS != ret ) {
|
|
error = "PML control failed";
|
|
goto error;
|
|
}
|
|
|
|
/* add all ompi_proc_t's to PML */
|
|
if (NULL == (procs = ompi_proc_world(&nprocs))) {
|
|
error = "ompi_proc_world() failed";
|
|
goto error;
|
|
}
|
|
ret = MCA_PML_CALL(add_procs(procs, nprocs));
|
|
free(procs);
|
|
if( OMPI_SUCCESS != ret ) {
|
|
error = "PML add procs failed";
|
|
goto error;
|
|
}
|
|
|
|
MCA_PML_CALL(add_comm(&ompi_mpi_comm_world));
|
|
MCA_PML_CALL(add_comm(&ompi_mpi_comm_self));
|
|
|
|
/* Init coll for the comms */
|
|
|
|
if (OMPI_SUCCESS !=
|
|
(ret = mca_coll_base_comm_select(MPI_COMM_WORLD))) {
|
|
error = "mca_coll_base_comm_select(MPI_COMM_WORLD) failed";
|
|
goto error;
|
|
}
|
|
|
|
if (OMPI_SUCCESS !=
|
|
(ret = mca_coll_base_comm_select(MPI_COMM_SELF))) {
|
|
error = "mca_coll_base_comm_select(MPI_COMM_SELF) failed";
|
|
goto error;
|
|
}
|
|
|
|
/*
|
|
* Dump all MCA parameters if requested
|
|
*/
|
|
if (ompi_mpi_show_mca_params) {
|
|
ompi_show_all_mca_params(ompi_mpi_comm_world.c_my_rank,
|
|
nprocs,
|
|
orte_system_info.nodename);
|
|
}
|
|
|
|
/* wait for everyone to reach this point */
|
|
if (OMPI_SUCCESS != (ret = orte_grpcomm.barrier())) {
|
|
error = "orte_grpcomm_barrier failed";
|
|
goto error;
|
|
}
|
|
|
|
/* wire up the oob interface, if requested. Do this here because
|
|
it will go much faster before the event library is switched
|
|
into non-blocking mode */
|
|
if (OMPI_SUCCESS != (ret = ompi_init_preconnect_oob())) {
|
|
error = "ompi_mpi_do_preconnect_oob() failed";
|
|
goto error;
|
|
}
|
|
|
|
/* check for timing request - get stop time and report elapsed
|
|
time if so, then start the clock again */
|
|
if (timing) {
|
|
gettimeofday(&ompistop, NULL);
|
|
opal_output(0, "ompi_mpi_init[%ld]: time from stage 2 cast to complete oob wireup %ld usec",
|
|
(long)ORTE_PROC_MY_NAME->vpid,
|
|
(long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
|
|
(ompistop.tv_usec - ompistart.tv_usec)));
|
|
gettimeofday(&ompistart, NULL);
|
|
}
|
|
|
|
#if OMPI_ENABLE_PROGRESS_THREADS == 0
|
|
/* Start setting up the event engine for MPI operations. Don't
|
|
block in the event library, so that communications don't take
|
|
forever between procs in the dynamic code. This will increase
|
|
CPU utilization for the remainder of MPI_INIT when we are
|
|
blocking on ORTE-level events, but may greatly reduce non-TCP
|
|
latency. */
|
|
opal_progress_set_event_flag(OPAL_EVLOOP_NONBLOCK);
|
|
#endif
|
|
|
|
/* wire up the mpi interface, if requested. Do this after the
|
|
non-block switch for non-TCP performance. Do before the
|
|
polling change as anyone with a complex wire-up is going to be
|
|
using the oob. */
|
|
if (OMPI_SUCCESS != (ret = ompi_init_preconnect_mpi())) {
|
|
error = "ompi_mpi_do_preconnect_all() failed";
|
|
goto error;
|
|
}
|
|
|
|
/* Check whether we have been spawned or not. We introduce that
|
|
at the very end, since we need collectives, datatypes, ptls
|
|
etc. up and running here.... */
|
|
if (OMPI_SUCCESS != (ret = ompi_comm_dyn_init())) {
|
|
error = "ompi_comm_dyn_init() failed";
|
|
goto error;
|
|
}
|
|
|
|
/*
|
|
* Startup the Checkpoint/Restart Mech.
|
|
* Note: Always do this so tools don't hang when
|
|
* in a non-checkpointable build
|
|
*/
|
|
if (OMPI_SUCCESS != (ret = ompi_cr_init())) {
|
|
error = "ompi_cr_init";
|
|
goto error;
|
|
}
|
|
|
|
/* Undo ORTE calling opal_progress_event_users_increment() during
|
|
MPI lifetime, to get better latency when not using TCP. Do
|
|
this *after* dyn_init, as dyn init uses lots of ORTE
|
|
communication and we don't want to hinder the performance of
|
|
that code. */
|
|
opal_progress_event_users_decrement();
|
|
|
|
/* see if the user specified yield_when_idle - if so, use it */
|
|
param = mca_base_param_find("mpi", NULL, "yield_when_idle");
|
|
mca_base_param_lookup_int(param, &value);
|
|
if (value < 0) {
|
|
/* TEMPORARY FIX - RIGHT NOW, WE DO NOT HAVE ACCESS TO
|
|
* INFO ON THE NUMBER OF LOCAL PROCS. THE ORTED IS SETTING
|
|
* THE MCA PARAM (OR THE PLS WILL, DEPENDING ON SYSTEM) SO
|
|
* THE FOLLOWING CODE WILL **NEVER** BE EXECUTED *EXCEPT*
|
|
* POSSIBLY BY SINGLETONS IN THE ABSENCE OF AN ENVIRO MCA PARAM
|
|
*/
|
|
#if 0
|
|
/* nope - so let's figure out what we can/should do...
|
|
* first, get the number of processors - if we can't then
|
|
* we can't do anything but set conservative values
|
|
*/
|
|
if (OPAL_SUCCESS == opal_get_num_processors(&num_processors)) {
|
|
/* got the num_processors - compare that to the number of
|
|
* local procs in this job to decide if we are oversubscribed
|
|
*/
|
|
if (ompi_proc_local_proc->num_local_procs > num_processors) {
|
|
/* oversubscribed - better yield */
|
|
opal_progress_set_yield_when_idle(true);
|
|
} else {
|
|
/* not oversubscribed - go ahead and be a hog! */
|
|
opal_progress_set_yield_when_idle(false);
|
|
}
|
|
} else {
|
|
/* couldn't get num_processors - be conservative */
|
|
opal_progress_set_yield_when_idle(true);
|
|
}
|
|
#endif
|
|
/* always just default to conservative */
|
|
opal_progress_set_yield_when_idle(true);
|
|
} else {
|
|
/* yep, they specified it - so set idle accordingly */
|
|
opal_progress_set_yield_when_idle(value == 0 ? false : true);
|
|
}
|
|
param = mca_base_param_find("mpi", NULL, "event_tick_rate");
|
|
mca_base_param_lookup_int(param, &value);
|
|
/* negative value means use default - just don't do anything */
|
|
if (value >= 0) {
|
|
opal_progress_set_event_poll_rate(value);
|
|
}
|
|
|
|
/* At this point, we are fully configured and in MPI mode. Any
|
|
communication calls here will work exactly like they would in
|
|
the user's code. Setup the connections between procs and warm
|
|
them up with simple sends, if requested */
|
|
|
|
error:
|
|
if (ret != OMPI_SUCCESS) {
|
|
const char *err_msg = opal_strerror(ret);
|
|
opal_show_help("help-mpi-runtime",
|
|
"mpi_init:startup:internal-failure", true,
|
|
"MPI_INIT", "MPI_INIT", error, err_msg, ret);
|
|
return ret;
|
|
}
|
|
|
|
/* Initialize the registered datarep list to be empty */
|
|
|
|
OBJ_CONSTRUCT(&ompi_registered_datareps, opal_list_t);
|
|
|
|
/* All done. Wasn't that simple? */
|
|
|
|
ompi_mpi_initialized = true;
|
|
|
|
if (orte_debug_flag) {
|
|
opal_output(0, "%s ompi_mpi_init completed",
|
|
ORTE_NAME_PRINT(orte_process_info.my_name));
|
|
}
|
|
|
|
/* Do we need to wait for a TotalView-like debugger? */
|
|
ompi_wait_for_totalview();
|
|
|
|
/* check for timing request - get stop time and report elapsed time if so */
|
|
if (timing) {
|
|
gettimeofday(&ompistop, NULL);
|
|
opal_output(0, "ompi_mpi_init[%ld]: time from oob wireup to complete mpi_init %ld usec",
|
|
(long)ORTE_PROC_MY_NAME->vpid,
|
|
(long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
|
|
(ompistop.tv_usec - ompistart.tv_usec)));
|
|
}
|
|
|
|
return MPI_SUCCESS;
|
|
}
|