[Mpi-comments] "safe" tag in MPI_Intercomm_create
wgropp at illinois.edu
Fri Sep 7 10:55:14 CDT 2012
Is this an MPI-next or a ticket zero change? Is this a chapter committee change (I think it should be, but I don't want to make that call unilaterally)?
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 5:36 PM, Jim Dinan wrote:
> Hi Bill,
> 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.
>>> mpi-comments mailing list
>>> mpi-comments at lists.mpi-forum.org
>> mpi-comments mailing list
>> mpi-comments at lists.mpi-forum.org
> mpi-comments mailing list
> mpi-comments at lists.mpi-forum.org
More information about the mpi-comments