Bump mpi4py from 3.1.6 to 4.0.0

[dependabot]

Bumps mpi4py from 3.1.6 to 4.0.0.

Release notes

Sourced from mpi4py's releases.

4.0.0

• New features:

  • Add support for the MPI-4.0 standard.

    • Use large count MPI-4 routines.
    • Add persistent collective communication.
    • Add partitioned point-to-point communication.
    • Add new communicator constructors.
    • Add the Session class and its methods.

  • Add support for the MPI-4.1 standard.

    • Add non-destructive completion test for multiple requests.
    • Add value-index datatype constructor.
    • Add communicator/session buffer attach/detach/flush.
    • Support for removal of error classes/codes/strings.
    • Support for querying hardware resource information.

  • Add preliminary support for the upcoming MPI-5.0 standard.

    • User-level failure mitigation (ULFM).

  • mpi4py.util.pool: New drop-in replacement for multiprocessing.pool.

  • mpi4py.util.sync: New synchronization utilities.

  • Add runtime check for mismatch between mpiexec and MPI library.

  • Support scikit-build-core as an alternative build backend.

  • Support meson-python as an alternative build backend.

• Enhancements:

  • mpi4py.futures: Support for parallel tasks.

  • mpi4py.futures: Report exception tracebacks in workers.

  • mpi4py.util.pkl5: Add support for collective communication.

  • Add methods Datatype.fromcode(), Datatype.tocode() and attributes Datatype.typestr, Datatype.typechar to simplify NumPy interoperability for simple cases.

  • Add methods Comm.Create_errhandler(), Win.Create_errhandler(), and File.Create_errhandler() to create custom error handlers.

  • Add support for pickle serialization of instances of MPI types. All instances of Datatype, Info, and Status can be

... (truncated)

Changelog

Sourced from mpi4py's changelog.

Release 4.0.0 [2024-07-28]

• New features:

  • Add support for the MPI-4.0 standard.

    • Use large count MPI-4 routines.
    • Add persistent collective communication.
    • Add partitioned point-to-point communication.
    • Add new communicator constructors.
    • Add the Session class and its methods.

  • Add support for the MPI-4.1 standard.

    • Add non-destructive completion test for multiple requests.
    • Add value-index datatype constructor.
    • Add communicator/session buffer attach/detach/flush.
    • Support for removal of error classes/codes/strings.
    • Support for querying hardware resource information.

  • Add preliminary support for the upcoming MPI-5.0 standard.

    • User-level failure mitigation (ULFM).

  • mpi4py.util.pool: New drop-in replacement for multiprocessing.pool.

  • mpi4py.util.sync: New synchronization utilities.

  • Add runtime check for mismatch between mpiexec and MPI library.

  • Support scikit-build-core_ as an alternative build backend.

  .. _scikit-build-core: https://scikit-build.readthedocs.io/

  • Support meson-python_ as an alternative build backend.

  .. _meson-python: https://meson-python.readthedocs.io/

• Enhancements:

  • mpi4py.futures: Support for parallel tasks.

  • mpi4py.futures: Report exception tracebacks in workers.

  • mpi4py.util.pkl5: Add support for collective communication.

  • Add methods Datatype.fromcode(), Datatype.tocode() and attributes Datatype.typestr, Datatype.typechar to simplify NumPy interoperability for simple cases.

... (truncated)

Commits

• c617118 Bump version number to 4.0.0
• 2193024 chore: Update changelog for release
• 6e50aa4 chore: Reorganize and remove old CI files
• e6d3e92 build: Add convenience shell scripts to build with CMake and Meson
• 1513cac refactor: Use object flags to store user-defined operation indices
• 3f83f4d chore: Change to BSD-3-Clause license
• b0218c3 docs: Add guidelines section with fair play rules
• 83a1dfa build(deps): Bump sphinx from 7.4.4 to 7.4.7
• a7e3ea4 build: Support Intel MPI MPI-4.x features
• 0d29d4a test: Disable MPI-4.x features failing with Intel MPI
• Additional commits viewable in compare view

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[jan-janssen]

Waiting for lammps/lammps#4253

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