Releasev20 mpi31

MPI 3.1 and Open MPI v2.x

• MPI-3.1 Compliance
• MPI-3 Errata Items

MPI 3.1

Description	MPI Forum trac #	Open MPI Issue	status
MPI_Aint_add, etc.	349	464	Nathan has PR 629 Jeff to review, testing with mpich tests
MPI_Aint_diff, etc.	404	464	Nathan has PR 629 Jeff to review, testing with mpich tests
same_disp,etc info keys	369	652	Nathan doing something with them
non-blocking coll I/O	273	646	Edgar has another commit. Some discussion of support for ROMIO?
MPI_Initialized, etc. thread safe	357	493	okay?

MPI 3.0 errata

Description	MPI Forum trac #	Open MPI Issue	status
MPI_WIN_BASE attr for shm windows	438	n/a	waiting on Forum decision
non-symmetric gen graphs	419	n/a	maybe, how important?
active target sync for shm windows	437, 434, 435	655	need to check OMPI compliant (Nathan will look at this)

MPI 3.0 errata - fortran specific

Description	MPI Forum trac #	Open MPI Issue	status
MPI_Improbe	424	n/a	OMPI has this fix (DONE)
MPI_Comm_idup and asynchronous attr.	168	455	resolved
OMPI missing TS 29113 interfaces - which fortran compilers support this?	388	462	Cray compiler supports them, and (upcoming) ifort v16 will support them. gfortran 5.0 does not. Clear to release v2.0.0 without the ts interfaces.
where's MPI_COMM_DUP_FN, etc.	n/a	460	assigned