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RSMPI Release Notes

main branch

MSRV: 1.70

New Features

0.8.0 (2024-05-03)

MSRV: 1.70

New Features

  • [PR 184] Make ready send unsafe since improper use is often not detectable at the call site.
  • [PR 171] Refactor attributes to safer approach; add Communicator::set_attr().
  • [PR 157] Object safety for Communicator

0.7.0 (2023-10-21)

MSRV: 1.65

New Features

  • [PR 140] Support for attributes, inter-communicators, and process management.
  • [PR 155] Remove type-distinction between system-communicators and user-communicators.
  • [PR 159] Add "complex" feature to support send/receive of complex types from the num-complex crate.

Maintenance

  • More precise optional dependencies for features.
  • build-probe-mpi: support for Cray compilers and some quoting fixes

0.6.0 (2022-08-05)

MSRV: 1.54.0

Notes

In order to use the user-operations optional feature (enabled by default), you may want to check that you are using at least libffi-sys version 1.1.0. This can be done by running cargo update, but for most users this will likely be unnecessary.

New Features

  • [PR 122] Multiple request completion via MPI_Waitsome and friends.
  • [PR 113] Make Communicator and Group traits object-safe
  • [PR 110] Implement Buffer and BufferMut for Vec, allowing cleaner syntax
  • [PR 52] Safely send and receive structs with arbitrary data layout, including padding, using #[derive(Equivalence)].
  • [PR 88] Support for MPI_Waitany using mpi::wait_any.
  • [PR 46] MS-MPI on Windows is now supported.
  • [PR 58] Support for "cartesian" communicators using CartestianCommunicator
  • [PR 51] Support MPI_Pack and MPI_Unpack using Communicator::pack, Communicator::pack_into, and Communicator::unpack_into.
  • [PR 49] Build compound datatypes without committing intermediate types using UncommittedUserDatatype.
  • [PR 53] Construct a UserCommunicator from an MPI_Comm with UserCommunicator::from_raw.
  • [PR 90] Support MPI_Comm_split_type using Communicator::split_shared, which splits communicators into subcommunicators that are capable of creating shared memory regions.
  • [PR 27] Support for MPI_Comm_get_name and MPI_Comm_set_name using Communicator::set_name and Communicator::get_name.

Changed APIs

  • [PR 48] UserDatatype::structured no longer takes a count argument.

Fixed Bugs

  • [PR 77] Failure to complete scoped requests now results in immediate process termination, rather than a panic.
  • [PR 53] Portability improved with newer libffi and bindgen

Deprecated APIs

Removed Features

Old Releases

Previous releases do not have discretized release notes. Please review the git commmit log to understand which features were added in each version.