Hi Dan, Thanks for picking up this issue. All, In the process of cleaning up older issue, there is a second older issue (72), which falls into a similar category as 87, which Dan just listed. This issue https://github.com/mpi-forum/mpi-issues/issues/72 <https://github.com/mpi-forum/mpi-issues/issues/72> with PR https://github.com/mpi-forum/mpi-standard/pull/41 <https://github.com/mpi-forum/mpi-standard/pull/41> on the topic "Behavior of MPI_Dims_create when ndims is zero” is also ready and I will read it at the Austin forum meeting. For both issues, though it is not quite clear (I.e., there are different opinions) if they are ticket 0 clarifications, errata or actual changes requiring two votes. Unless I hear objections, I will therefore schedule both tickets for both a reading and an errata ballot, so we can pick in Austin what to do with them. If anyone has any comments on this topic, please comment on the two issues on github. Thanks! Martin — Prof. Dr. Martin Schulz, Chair of Computer Architecture and Parallel Systems Department of Informatics, TU-Munich, Boltzmannstraße 3, D-85748 Garching Email: [email protected]

On 22. May 2018, at 15:13, HOLMES Daniel <[email protected]> wrote:

Hi all,

The Collectives WG would like to read issue 87 (PR 43), which is an errata that adds a clarification regarding the use of MPI_PROC_NULL as a valid rank value for graph and dist graph topologies.

Issue: https://github.com/mpi-forum/mpi-issues/issues/87 <https://github.com/mpi-forum/mpi-issues/issues/87> PR: https://github.com/mpi-forum/mpi-standard/pull/43 <https://github.com/mpi-forum/mpi-standard/pull/43> PDF: https://github.com/mpi-forum/mpi-standard/files/2026783/mpi-report-ticket87.... <https://github.com/mpi-forum/mpi-standard/files/2026783/mpi-report-ticket87.pdf>

Cheers, Dan. — Dr Daniel Holmes PhD Applications Consultant in HPC Research [email protected] <mailto:[email protected]> Phone: +44 (0) 131 651 3465 Mobile: +44 (0) 7940 524 088 Address: Room 3415, JCMB, The King’s Buildings, Edinburgh, EH9 3FD — The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336. —

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