Reorganizing the "Collective Communication" Chapter

[tonyskjellum]

Problem

Clarifications are needed now that Persistent Communication has been added.

Proposal

Persistent communication addition has raised the need for clarifying text. This definitely applies to the Collective chapter

Changes to the Text

Chapter 5 (Collective Chapter) -- updated appropriately.

Impact on Implementations

None.

Impact on Users

Clarity for users.

References

Ticket #25 [which has passed 2 votes now] is driving this requirement, but we want to settle this concern separately as agreed in Forum meetings.

Here is the corresponding pull request: https://github.com/mpi-forum/mpi-standard/pull/89
(This is a revised pull requested as of 19-Nov-18)

[tonyskjellum]

mpi32-report-ticket90.pdf

This copy is public.

[tonyskjellum]

A review was done on June 13, 2018 at the MPI meeting in Austin. Updates will be made and a reading will be presented in Barcelona.