Discussions

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  Performance implication on Send/Recv vs send/recv for CuPy array

  tharittk asked Jun 22, 2025 in Q&A · Answered

  

  

  

  

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  How to set ‐‐bind‐to‐core ‐‐bysocket via mpi4py?

  WanchaoYao asked May 13, 2025 in Q&A · Answered

  

  

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  mpi4py compatibility with subprocess.run(["mpirun"]...)

  cwschilly asked Aug 15, 2024 in Q&A · Unanswered

  

  

  

  

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  MPIPoolExecutor hanging in threading

  mloubout asked Apr 29, 2024 in Q&A · Unanswered

  

  

  

  

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  Interoperability with existing c applications

  TLCFEM asked Mar 9, 2025 in Q&A · Answered

  

  

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  Xeon Phi Support

  webclinic017 asked Feb 19, 2025 in Q&A · Unanswered

  

  

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  Allow Access to MPI Function Pointers

  FreddieWitherden asked Nov 18, 2024 in Q&A · Answered

  

  

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  MPIPoolExecutor tries to the Python executable from another host

  winstxnhdw asked Nov 11, 2024 in Q&A · Answered

  

  

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  pip install mpi4py can't find openmpi or mpich files.

  LeamHall asked Nov 10, 2024 in Q&A · Answered

  

  

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  Algorithm selection for collective communication operation

  zhuo121 asked Nov 6, 2024 in Q&A · Unanswered

  

  

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  Trying to compile mpi4py-4.0.0 form source in a drake site

  asfbar asked Oct 13, 2024 in Q&A · Unanswered

  

  

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  mpirun doesn't work on Linux machine - No error - but doesn't work

  MohsenSheibanian asked Sep 11, 2024 in Q&A · Unanswered

  

  

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  How to force set world size

  agunapal asked Sep 5, 2024 in Q&A · Unanswered

  

  

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  #️⃣

  RFC: License change & Fair Play rules for mpi4py

  leofang announced Jul 8, 2024 in Announcements

  

  

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  Pickle-based non-blocking collectives

  Danyc0 asked Jun 7, 2024 in Q&A · Answered

  

  

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  Task scheduling customization with MPIPoolExecutor

  FabioLuporini asked Mar 26, 2024 in Q&A · Answered

  

  

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  Process pinning with MPIPoolExecutor

  FabioLuporini asked Mar 15, 2024 in Q&A · Answered

  

  

  

  

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  MPI & web compatibility

  iakovdudinsky asked Feb 16, 2024 in Q&A · Unanswered

  

  

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  Error optimization and 5G New Radio

  idris0001 asked Jan 24, 2024 in Q&A · Unanswered

  

  

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  MPI workers seem to be running on same core

  pmenczel asked Jan 22, 2024 in Q&A · Answered

  

  

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  CPU usage pegged at 100%

  abacaj asked Nov 8, 2023 in Q&A · Answered

  

  

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  MPI_TYPE_SIZE, MPI_FILE_SET_SIZE

  aph9944 asked Oct 23, 2023 in Q&A · Answered

  

  

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  fh.Write_all(wbuf.as_raw())

  aph9944 asked Oct 21, 2023 in Q&A · Answered

  

  

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  Getting mpi4py to ignore conda's MPI

  bernstei asked Jul 19, 2023 in Q&A · Answered

  

  

  

  

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  💡

  mpi4py.util.pool - in analogy to multiprocessing.pool

  enhancement

  jan-janssen started Feb 27, 2023 in Ideas

  

  

  

  

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