[Mpi-comments] "safe" tag in MPI_Intercomm_create
dinan at mcs.anl.gov
Thu Sep 6 17:36:38 CDT 2012
That's right, the tag argument is vestigial as of MPI 3.0. I agree with
your suggestion of changing '"safe" tag' to:
dummy - Ignored argument, retained for backward compatibility.
On 9/6/12 5:02 PM, William Gropp wrote:
> I noted in ticket #305 that the argument is now ignored and retained only for backward compatibility. Deleting "safe" isn't enough.
> William Gropp
> Director, Parallel Computing Institute
> Deputy Director for Research
> Institute for Advanced Computing Applications and Technologies
> Paul and Cynthia Saylor Professor of Computer Science
> University of Illinois Urbana-Champaign
> On Sep 6, 2012, at 1:47 PM, Jim Dinan wrote:
>> Hi All,
>> It looks like we forgot to include the removal of the "safe" qualifier from the tag argument as a part of the change to MPI_Intercomm_create:
>> Specifying that the tag argument must be "safe" was made unnecessary by this change, since it eliminates the possibility of interference with user communication.
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