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Add specific communicator for neighborhood communication #1588

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Add specific communicator for neighborhood communication #1588

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Commits on Aug 9, 2024

  1. Make comm_index_type avaiable in the mpi namespace

    @MarcelKoch
    MarcelKoch committed Aug 9, 2024
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  2. create owning communicator

    @MarcelKoch
    MarcelKoch committed Aug 9, 2024
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  3. [imap] create variant type of supported index maps

    @MarcelKoch
    MarcelKoch committed Aug 9, 2024
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  4. [coll-comm] adds interface for collective communicator 

    Co-authored-by: Pratik Nayak <pratik.nayak@kit.edu>
    @MarcelKoch @pratikvn
    MarcelKoch and pratikvn committed Aug 9, 2024
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  5. [coll-comm] add dense communication

    @MarcelKoch
    MarcelKoch committed Aug 9, 2024
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  6. [coll-comm] adds neighborhood implementation of collective communicator 

    Co-authored-by: Pratik Nayak <pratik.nayak@kit.edu>
    @MarcelKoch @pratikvn
    MarcelKoch and pratikvn committed Aug 9, 2024
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  7. [coll-comm] disable neighbor comm if open-mpi version < 4.1.0

    @MarcelKoch
    MarcelKoch committed Aug 9, 2024
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  8. [mpi] define moved-from state for communicator

    @MarcelKoch
    MarcelKoch committed Aug 9, 2024
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  9. [mpi] add explicit comparison for identical and congruent

    @MarcelKoch
    MarcelKoch committed Aug 9, 2024
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Commits on Aug 16, 2024

  1. [coll-comm] review update: 

    - fix include guards
- update docs
- implement copy/move constructors/assignment with tests
- add equality test for collective communicators (needed for testing)
- always enable neighborhood comm, just throw if openmpi is too old

Co-authored-by: Pratik Nayak <pratik.nayak@kit.edu>
    @MarcelKoch @pratikvn
    MarcelKoch and pratikvn committed Aug 16, 2024
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