[mpiwg-p2p] Updated Comm. Info Proposal

Jim Dinan james.dinan at gmail.com
Fri May 6 19:56:54 CDT 2016


Hi All,

I have attached the updated communicator info proposal.  Based on the
feedback at the last meeting, the proposal has been split into three parts
with the following "ticket" labels:

Errta -- MPI 3.1 errata to remove info propagation.  This was motivated by
George's presentation where we learned that the info hints and values that
are propagated is not well defined.  This was discovered by the OpenMPI
development team.

IDWI -- Add MPI_Comm_idup_with_info.  This should be added to correct the
gap introduced to the nonblocking API by the above errata.

Info -- Proposal to allow info hints to provide assertions and add
communicator info hints.

In addition, default values for the info keys have also been added.

The deadline to submit the proposal for the next meeting will be May 23.
Please review and check if I missed anything.

Cheers,
 ~Jim.
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