itaps-parallel Notes and assignments

[Devine, Karen D]

OK, we're in the home stretch in preparation for bootcamp.

Our next phone conf is scheduled 2/28 at 1pm PST.  The biggest issues still
in question are (1) copies and communication for them, (2) communication of
tag info, and (3) what should be included in prefix_UpdatePartitionPar.

We probably have only two phone confs left before bootcamp, so please
schedule 1.5 hours for the call on 2/28.  I'd like to make significant
progress on (1) and (2).

Assignments:

Carl & Onkar:  Revise the functions for copies and non-collective
communication.

Tim:  Submit functions for exchanging tag data.

All:
-  Send a list of data you'd like to have pre-computed in
prefix_UpdatePartitionPar (allowing other functions to work without
communication).

-  Vote for your favorite definition of part neighbor (or submit your
objections to both along with a definition that you like better):

   Definition X:  Two (or more) parts are neighbors with respect to entity
type A if at least one entity in each of the parts has a common lower- or
higher-dimensional adjacent entity of specified entity type A.

   Definition Y:  Two (or more) parts are neighbors with respect to entity
type A if any entity of specified entity type A has at least one adjacent
higher- or lower-dimensional entity in each of the parts.

-  Read the attached updated DraftInterface.h, paying attention to items
marked TODO.

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