253444c6d0
1. New mpifort wrapper compiler: you can utilize mpif.h, use mpi, and use mpi_f08 through this one wrapper compiler
1. mpif77 and mpif90 still exist, but are sym links to mpifort and may be removed in a future release
1. The mpi module has been re-implemented and is significantly "mo' bettah"
1. The mpi_f08 module offers many, many improvements over mpif.h and the mpi module
This stuff is coming from a VERY long-lived mercurial branch (3 years!); it'll almost certainly take a few SVN commits and a bunch of testing before I get it correctly committed to the SVN trunk.
== More details ==
Craig Rasmussen and I have been working with the MPI-3 Fortran WG and Fortran J3 committees for a long, long time to make a prototype MPI-3 Fortran bindings implementation. We think we're at a stable enough state to bring this stuff back to the trunk, with the goal of including it in OMPI v1.7.
Special thanks go out to everyone who has been incredibly patient and helpful to us in this journey:
* Rolf Rabenseifner/HLRS (mastermind/genius behind the entire MPI-3 Fortran effort)
* The Fortran J3 committee
* Tobias Burnus/gfortran
* Tony !Goetz/Absoft
* Terry !Donte/Oracle
* ...and probably others whom I'm forgetting :-(
There's still opportunities for optimization in the mpi_f08 implementation, but by and large, it is as far along as it can be until Fortran compilers start implementing the new F08 dimension(..) syntax.
Note that gfortran is currently unsupported for the mpi_f08 module and the new mpi module. gfortran users will a) fall back to the same mpi module implementation that is in OMPI v1.5.x, and b) not get the new mpi_f08 module. The gfortran maintainers are actively working hard to add the necessary features to support both the new mpi_f08 module and the new mpi module implementations. This will take some time.
As mentioned above, ompi/mpi/f77 and ompi/mpi/f90 no longer exist. All the fortran bindings implementations have been collated under ompi/mpi/fortran; each implementation has its own subdirectory:
{{{
ompi/mpi/fortran/
base/ - glue code
mpif-h/ - what used to be ompi/mpi/f77
use-mpi-tkr/ - what used to be ompi/mpi/f90
use-mpi-ignore-tkr/ - new mpi module implementation
use-mpi-f08/ - new mpi_f08 module implementation
}}}
There's also a prototype 6-function-MPI implementation under use-mpi-f08-desc that emulates the new F08 dimension(..) syntax that isn't fully available in Fortran compilers yet. We did that to prove it to ourselves that it could be done once the compilers fully support it. This directory/implementation will likely eventually replace the use-mpi-f08 version.
Other things that were done:
* ompi_info grew a few new output fields to describe what level of Fortran support is included
* Existing Fortran examples in examples/ were renamed; new mpi_f08 examples were added
* The old Fortran MPI libraries were renamed:
* libmpi_f77 -> libmpi_mpifh
* libmpi_f90 -> libmpi_usempi
* The configury for Fortran was consolidated and significantly slimmed down. Note that the F77 env variable is now IGNORED for configure; you should only use FC. Example:
{{{
shell$ ./configure CC=icc CXX=icpc FC=ifort ...
}}}
All of this work was done in a Mercurial branch off the SVN trunk, and hosted at Bitbucket. This branch has got to be one of OMPI's longest-running branches. Its first commit was Tue Apr 07 23:01:46 2009 -0400 -- it's over 3 years old! :-) We think we've pulled in all relevant changes from the OMPI trunk (e.g., Fortran implementations of the new MPI-3 MPROBE stuff for mpif.h, use mpi, and use mpi_f08, and the recent Fujitsu Fortran patches).
I anticipate some instability when we bring this stuff into the trunk, simply because it touches a LOT of code in the MPI layer in the OMPI code base. We'll try our best to make it as pain-free as possible, but please bear with us when it is committed.
This commit was SVN r26283.
404 строки
15 KiB
Fortran
404 строки
15 KiB
Fortran
! -*- fortran -*-
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!
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! Copyright (c) 2004-2006 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) 2004-2010 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) 2004-2007 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) 2006-2012 Cisco Systems, Inc. All rights reserved.
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! Copyright (c) 2009 Oak Ridge National Labs. 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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! WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!
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! Do ***not*** copy this file to the directory where your Fortran
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! fortran application is compiled unless it is absolutely necessary! Most
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! modern Fortran compilers now support the -I command line flag, which
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! tells the compiler where to find .h files (specifically, this one). For
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! example:
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!
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! shell$ mpif77 foo.f -o foo -I$OMPI_HOME/include
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!
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! will probably do the trick (assuming that you have set OMPI_HOME
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! properly).
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!
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! That being said, OMPI's "mpif77" wrapper compiler should
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! automatically include the -I option for you. The following command
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! should be equivalent to the command listed above:
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!
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! shell$ mpif77 foo.f -o foo
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!
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! You should not copy this file to your local directory because it is
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! possible that this file will be changed between versions of Open MPI.
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! Indeed, this mpif.h is incompatible with the mpif.f of other
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! implementations of MPI. Using this mpif.h with other implementations
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! of MPI, or with other versions of Open MPI will result in undefined
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! behavior (to include incorrect results, segmentation faults,
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! unexplainable "hanging" in your application, etc.). Always use the
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! -I command line option instead (or let mpif77 do it for you).
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!
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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! WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!
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! This file contains the bulk of the Open MPI Fortran interface. It
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! is included as a back-end file to both mpif.h (i.e., the
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! standardized MPI Fortran header file) and mpi.f90 (the MPI-2
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! Fortran module source file, found in ompi/mpi/f90).
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!
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! This file is marginally different than mpif.h. mpif.h includes
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! some "external" statements that are not suitable for use with the
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! MPI-2 F90 module, and therefore cannot be included in the mpi.f90
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! source file. Hence, this file is essentially everything that
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! needs to be in the standardized mpif.h *except* the "external"
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! statements, and is therefore suitable to be included in mpi.f90.
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!
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!
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! First, however, include some output from configure.
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!
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include 'mpif-config.h'
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!
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! MPI version
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!
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integer MPI_VERSION, MPI_SUBVERSION
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parameter (MPI_VERSION=2)
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parameter (MPI_SUBVERSION=1)
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!
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! Miscellaneous constants
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!
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integer MPI_ANY_SOURCE, MPI_ANY_TAG
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integer MPI_PROC_NULL
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integer MPI_ROOT
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integer MPI_UNDEFINED
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integer MPI_CART, MPI_GRAPH, MPI_KEYVAL_INVALID
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integer MPI_SOURCE, MPI_TAG, MPI_ERROR
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integer MPI_TAG_UB, MPI_HOST, MPI_IO, MPI_WTIME_IS_GLOBAL
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integer MPI_APPNUM, MPI_LASTUSEDCODE, MPI_UNIVERSE_SIZE
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integer IMPI_CLIENT_SIZE, IMPI_CLIENT_COLOR
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integer IMPI_HOST_SIZE, IMPI_HOST_COLOR
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integer MPI_BSEND_OVERHEAD
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integer MPI_ORDER_C, MPI_ORDER_FORTRAN
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integer MPI_DISTRIBUTE_BLOCK, MPI_DISTRIBUTE_CYCLIC
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integer MPI_DISTRIBUTE_NONE, MPI_DISTRIBUTE_DFLT_DARG
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integer MPI_TYPECLASS_INTEGER, MPI_TYPECLASS_REAL
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integer MPI_TYPECLASS_COMPLEX
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integer MPI_MODE_NOCHECK, MPI_MODE_NOPRECEDE, MPI_MODE_NOPUT
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integer MPI_MODE_NOSTORE, MPI_MODE_NOSUCCEED
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integer MPI_LOCK_EXCLUSIVE, MPI_LOCK_SHARED
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integer MPI_WIN_BASE, MPI_WIN_SIZE, MPI_WIN_DISP_UNIT
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parameter (MPI_ANY_SOURCE=-1)
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parameter (MPI_ANY_TAG=-1)
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parameter (MPI_PROC_NULL=-2)
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parameter (MPI_ROOT=-4)
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parameter (MPI_UNDEFINED=-32766)
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parameter (MPI_CART=1)
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parameter (MPI_GRAPH=2)
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parameter (MPI_KEYVAL_INVALID=-1)
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parameter (MPI_SOURCE=1)
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parameter (MPI_TAG=2)
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parameter (MPI_ERROR=3)
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parameter (MPI_TAG_UB=0)
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parameter (MPI_HOST=1)
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parameter (MPI_IO=2)
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parameter (MPI_WTIME_IS_GLOBAL=3)
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parameter (MPI_APPNUM=4)
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parameter (MPI_LASTUSEDCODE=5)
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parameter (MPI_UNIVERSE_SIZE=6)
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parameter (MPI_WIN_BASE=7)
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parameter (MPI_WIN_SIZE=8)
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parameter (MPI_WIN_DISP_UNIT=9)
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parameter (IMPI_CLIENT_SIZE=10)
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parameter (IMPI_CLIENT_COLOR=11)
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parameter (IMPI_HOST_SIZE=12)
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parameter (IMPI_HOST_COLOR=13)
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parameter (MPI_BSEND_OVERHEAD=128)
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parameter (MPI_ORDER_C=0)
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parameter (MPI_ORDER_FORTRAN=1)
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parameter (MPI_DISTRIBUTE_BLOCK=0)
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parameter (MPI_DISTRIBUTE_CYCLIC=1)
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parameter (MPI_DISTRIBUTE_NONE=2)
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parameter (MPI_DISTRIBUTE_DFLT_DARG=-1)
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parameter (MPI_TYPECLASS_INTEGER=1)
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parameter (MPI_TYPECLASS_REAL=2)
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parameter (MPI_TYPECLASS_COMPLEX=3)
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parameter (MPI_MODE_NOCHECK=1)
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parameter (MPI_MODE_NOPRECEDE=2)
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parameter (MPI_MODE_NOPUT=4)
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parameter (MPI_MODE_NOSTORE=8)
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parameter (MPI_MODE_NOSUCCEED=16)
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parameter (MPI_LOCK_EXCLUSIVE=1)
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parameter (MPI_LOCK_SHARED=2)
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!
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! MPI sentinel values
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!
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! Several of these types were chosen with care to match specific
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! overloaded functions in the F90 bindings. They should also match
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! the types of their corresponding C variables. Do not arbitrarily
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! change their types without also updating the F90 bindings and
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! their corresponding types in ompi/mpi/f77/constants.h and
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! ompi/mpi/runtime/ompi_init.c!
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!
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! MPI_BOTTOM is only used where choice buffers can be used (meaning
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! that we already have overloaded F90 bindings for all available
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! types), so any type is fine.
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integer MPI_BOTTOM
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! MPI_IN_PLACE has the same rationale as MPI_BOTTOM.
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integer MPI_IN_PLACE
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! Making MPI_ARGV_NULL be the same type as the parameter that is
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! exepected in the F90 binding for MPI_COMM_SPAWN means that we
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! don't need another binding for MPI_COMM_SPAWN.
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character MPI_ARGV_NULL(1)
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! The array_of_argv parameter in the F90 bindings for
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! MPI_COMM_SPAWN_MULTIPLE takes a variable number of dimensions
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! (specified by the "count" parameter), so it's not possible to have
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! a single variable match all possible values. Hence, make it an
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! entirely different type (one that would never likely be used by a
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! correct program, e.g., double) and have a separate F90 binding for
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! matching just this type.
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double precision MPI_ARGVS_NULL
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! MPI_ERRCODES_IGNORE has similar rationale to MPI_ARGV_NULL. The
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! F77 functions are all smart enough to check that the errcodes
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! parameter is not ERRCODES_IGNORE before assigning values into it
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! (hence, the fact that this is an array of only 1 element does not
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! matter -- we'll never overrun it because we never assign values
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! into it).
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integer MPI_ERRCODES_IGNORE(1)
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! MPI_STATUS_IGNORE has similar rationale to MPI_ERRCODES_IGNORE.
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integer MPI_STATUS_IGNORE(MPI_STATUS_SIZE)
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! MPI_STATUSES_IGNORE has similar rationale to MPI_ARGVS_NULL.
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double precision MPI_STATUSES_IGNORE
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common/mpi_fortran_bottom/MPI_BOTTOM
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common/mpi_fortran_in_place/MPI_IN_PLACE
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common/mpi_fortran_argv_null/MPI_ARGV_NULL
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common/mpi_fortran_argvs_null/MPI_ARGVS_NULL
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common/mpi_fortran_errcodes_ignore/MPI_ERRCODES_IGNORE
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common/mpi_fortran_status_ignore/MPI_STATUS_IGNORE
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common/mpi_fortran_statuses_ignore/MPI_STATUSES_IGNORE
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!
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! MPI_Init_thread constants
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!
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integer MPI_THREAD_SINGLE, MPI_THREAD_FUNNELED
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integer MPI_THREAD_SERIALIZED, MPI_THREAD_MULTIPLE
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parameter (MPI_THREAD_SINGLE=0)
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parameter (MPI_THREAD_FUNNELED=1)
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parameter (MPI_THREAD_SERIALIZED=2)
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parameter (MPI_THREAD_MULTIPLE=3)
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!
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! error classes
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!
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integer MPI_SUCCESS
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integer MPI_ERR_BUFFER
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integer MPI_ERR_COUNT
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integer MPI_ERR_TYPE
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integer MPI_ERR_TAG
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integer MPI_ERR_COMM
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integer MPI_ERR_RANK
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integer MPI_ERR_REQUEST
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integer MPI_ERR_ROOT
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integer MPI_ERR_GROUP
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integer MPI_ERR_OP
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integer MPI_ERR_TOPOLOGY
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integer MPI_ERR_DIMS
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integer MPI_ERR_ARG
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integer MPI_ERR_UNKNOWN
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integer MPI_ERR_TRUNCATE
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integer MPI_ERR_OTHER
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integer MPI_ERR_INTERN
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integer MPI_ERR_IN_STATUS
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integer MPI_ERR_PENDING
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integer MPI_ERR_ACCESS
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integer MPI_ERR_AMODE
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integer MPI_ERR_ASSERT
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integer MPI_ERR_BAD_FILE
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integer MPI_ERR_BASE
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integer MPI_ERR_CONVERSION
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integer MPI_ERR_DISP
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integer MPI_ERR_DUP_DATAREP
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integer MPI_ERR_FILE_EXISTS
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integer MPI_ERR_FILE_IN_USE
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integer MPI_ERR_FILE
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integer MPI_ERR_INFO_KEY
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integer MPI_ERR_INFO_NOKEY
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integer MPI_ERR_INFO_VALUE
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integer MPI_ERR_INFO
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integer MPI_ERR_IO
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integer MPI_ERR_KEYVAL
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integer MPI_ERR_LOCKTYPE
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integer MPI_ERR_NAME
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integer MPI_ERR_NO_MEM
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integer MPI_ERR_NOT_SAME
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integer MPI_ERR_NO_SPACE
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integer MPI_ERR_NO_SUCH_FILE
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integer MPI_ERR_PORT
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integer MPI_ERR_QUOTA
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integer MPI_ERR_READ_ONLY
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integer MPI_ERR_RMA_CONFLICT
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integer MPI_ERR_RMA_SYNC
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integer MPI_ERR_SERVICE
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integer MPI_ERR_SIZE
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integer MPI_ERR_SPAWN
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integer MPI_ERR_UNSUPPORTED_DATAREP
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integer MPI_ERR_UNSUPPORTED_OPERATION
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integer MPI_ERR_WIN
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integer MPI_ERR_SYSRESOURCE
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integer MPI_ERR_LASTCODE
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parameter( MPI_SUCCESS = 0)
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parameter( MPI_ERR_BUFFER = 1)
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parameter( MPI_ERR_COUNT = 2)
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parameter( MPI_ERR_TYPE = 3)
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parameter( MPI_ERR_TAG = 4)
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parameter( MPI_ERR_COMM = 5)
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parameter( MPI_ERR_RANK = 6)
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parameter( MPI_ERR_REQUEST = 7)
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parameter( MPI_ERR_ROOT = 8)
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parameter( MPI_ERR_GROUP = 9)
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parameter( MPI_ERR_OP = 10)
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parameter( MPI_ERR_TOPOLOGY = 11)
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parameter( MPI_ERR_DIMS = 12)
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parameter( MPI_ERR_ARG = 13)
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parameter( MPI_ERR_UNKNOWN = 14)
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parameter( MPI_ERR_TRUNCATE = 15)
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parameter( MPI_ERR_OTHER = 16)
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parameter( MPI_ERR_INTERN = 17)
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parameter( MPI_ERR_IN_STATUS = 18)
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parameter( MPI_ERR_PENDING = 19)
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parameter( MPI_ERR_ACCESS = 20)
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parameter( MPI_ERR_AMODE = 21)
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parameter( MPI_ERR_ASSERT = 22)
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parameter( MPI_ERR_BAD_FILE = 23)
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parameter( MPI_ERR_BASE = 24)
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parameter( MPI_ERR_CONVERSION = 25)
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parameter( MPI_ERR_DISP = 26)
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parameter( MPI_ERR_DUP_DATAREP = 27)
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parameter( MPI_ERR_FILE_EXISTS = 28)
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parameter( MPI_ERR_FILE_IN_USE = 29)
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parameter( MPI_ERR_FILE = 30)
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parameter( MPI_ERR_INFO_KEY = 31)
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parameter( MPI_ERR_INFO_NOKEY = 32)
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parameter( MPI_ERR_INFO_VALUE = 33)
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parameter( MPI_ERR_INFO = 34)
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parameter( MPI_ERR_IO = 35)
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parameter( MPI_ERR_KEYVAL = 36)
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parameter( MPI_ERR_LOCKTYPE = 37)
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parameter( MPI_ERR_NAME = 38)
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parameter( MPI_ERR_NO_MEM = 39)
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parameter( MPI_ERR_NOT_SAME = 40)
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parameter( MPI_ERR_NO_SPACE = 41)
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parameter( MPI_ERR_NO_SUCH_FILE = 42)
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parameter( MPI_ERR_PORT = 43)
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parameter( MPI_ERR_QUOTA = 44)
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parameter( MPI_ERR_READ_ONLY = 45)
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parameter( MPI_ERR_RMA_CONFLICT = 46)
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parameter( MPI_ERR_RMA_SYNC = 47)
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parameter( MPI_ERR_SERVICE = 48)
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parameter( MPI_ERR_SIZE = 49)
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parameter( MPI_ERR_SPAWN = 50)
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parameter( MPI_ERR_UNSUPPORTED_DATAREP = 51)
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parameter( MPI_ERR_UNSUPPORTED_OPERATION= 52)
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parameter( MPI_ERR_WIN = 53)
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parameter( MPI_ERR_SYSRESOURCE = -2)
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parameter( MPI_ERR_LASTCODE = 54)
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!
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! comparison results
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!
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integer MPI_IDENT, MPI_CONGRUENT, MPI_SIMILAR, MPI_UNEQUAL
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parameter (MPI_IDENT=0)
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parameter (MPI_CONGRUENT=1)
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parameter (MPI_SIMILAR=2)
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parameter (MPI_UNEQUAL=3)
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!
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! datatype combiners
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!
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integer MPI_COMBINER_NAMED
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integer MPI_COMBINER_DUP
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integer MPI_COMBINER_CONTIGUOUS
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integer MPI_COMBINER_VECTOR
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integer MPI_COMBINER_HVECTOR_INTEGER
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integer MPI_COMBINER_HVECTOR
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integer MPI_COMBINER_INDEXED
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integer MPI_COMBINER_HINDEXED_INTEGER
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integer MPI_COMBINER_HINDEXED
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integer MPI_COMBINER_INDEXED_BLOCK
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integer MPI_COMBINER_STRUCT_INTEGER
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integer MPI_COMBINER_STRUCT
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integer MPI_COMBINER_SUBARRAY
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integer MPI_COMBINER_DARRAY
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integer MPI_COMBINER_F90_REAL
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integer MPI_COMBINER_F90_COMPLEX
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integer MPI_COMBINER_F90_INTEGER
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integer MPI_COMBINER_RESIZED
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parameter (MPI_COMBINER_NAMED=0)
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parameter (MPI_COMBINER_DUP=1)
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parameter (MPI_COMBINER_CONTIGUOUS=2)
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parameter (MPI_COMBINER_VECTOR=3)
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parameter (MPI_COMBINER_HVECTOR_INTEGER=4)
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parameter (MPI_COMBINER_HVECTOR=5)
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parameter (MPI_COMBINER_INDEXED=6)
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parameter (MPI_COMBINER_HINDEXED_INTEGER=7)
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parameter (MPI_COMBINER_HINDEXED=8)
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parameter (MPI_COMBINER_INDEXED_BLOCK=9)
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parameter (MPI_COMBINER_STRUCT_INTEGER=10)
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parameter (MPI_COMBINER_STRUCT=11)
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parameter (MPI_COMBINER_SUBARRAY=12)
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parameter (MPI_COMBINER_DARRAY=13)
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parameter (MPI_COMBINER_F90_REAL=14)
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parameter (MPI_COMBINER_F90_COMPLEX=15)
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parameter (MPI_COMBINER_F90_INTEGER=16)
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parameter (MPI_COMBINER_RESIZED=17)
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!
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! Communicator split type constants.
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!
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integer MPI_COMM_TYPE_SHARED
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parameter (MPI_COMM_TYPE_SHARED=0)
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!
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! lookup table indices
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!
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! Now generated; located at bottom of mpif-common.h file
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!
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integer MPI_MAX, MPI_MIN, MPI_SUM, MPI_PROD, MPI_LAND
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integer MPI_BAND, MPI_LOR, MPI_BOR, MPI_LXOR, MPI_BXOR
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integer MPI_MAXLOC, MPI_MINLOC, MPI_REPLACE
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parameter (MPI_MAX=1)
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parameter (MPI_MIN=2)
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parameter (MPI_SUM=3)
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parameter (MPI_PROD=4)
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parameter (MPI_LAND=5)
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parameter (MPI_BAND=6)
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parameter (MPI_LOR=7)
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parameter (MPI_BOR=8)
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parameter (MPI_LXOR=9)
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parameter (MPI_BXOR=10)
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parameter (MPI_MAXLOC=11)
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parameter (MPI_MINLOC=12)
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parameter (MPI_REPLACE=13)
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