JuliaParallel/MPI.jl

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MPI wrappers for Julia

Stars: 439
Forks: 127
Open beginner issues: 0
Indexed issues: 72
Avg merge: 19h 6m
Merged PRs (30d): 17

Dominant language: Julia
License: Unlicense
Last GitHub push: Sep 12, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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72 issues indexed so far

Minimum MPI Version Supported Open

JuliaParallel/MPI.jl#39 · 29 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Recv Open

JuliaParallel/MPI.jl#127 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Error Backtraces Open

JuliaParallel/MPI.jl#134 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Interactive usage Open

enhancement

JuliaParallel/MPI.jl#292 · 13 comments · 7 reactions · 0 assignees · Indexed Sep 18, 2026
Prefix Julia error output with rank Open

JuliaParallel/MPI.jl#360 · 16 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
UCX memory hooks don't work correctly Open

UCX upstream

JuliaParallel/MPI.jl#372 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
test_shared_win.jl fails (tested on Cray system with Cray mpt 7.7.10) Open

Cray MPI

JuliaParallel/MPI.jl#384 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
test_spawn.jl fails (tested on Cray system with Cray mpt 7.7.10) Open

Cray MPI

JuliaParallel/MPI.jl#385 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
[Spectrum MPI] Crash in IProbe Open

Spectrum MPI

JuliaParallel/MPI.jl#389 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
higher-level interface Open

JuliaParallel/MPI.jl#395 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Implement OSU Microbenchmarks Open

JuliaParallel/MPI.jl#403 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Avoid closures for custom operators Open

aarch64 Spectrum MPI

JuliaParallel/MPI.jl#404 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
UCX ignores UCX_ERROR_SIGNALS set by MPI.jl Open

documentation Open MPI UCX

JuliaParallel/MPI.jl#409 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Error running on Win10 Open

Windows

JuliaParallel/MPI.jl#417 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Support for non-blocking collective communication Open

enhancement

JuliaParallel/MPI.jl#424 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
CUDA synchronization Open

CUDA :flower_playing_cards: needs docs Open MPI

JuliaParallel/MPI.jl#443 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Don't download any artifacts if JULIA_MPI_BINARY=system Open

JuliaParallel/MPI.jl#483 · 24 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Release version 1.0? Open

JuliaParallel/MPI.jl#486 · 7 comments · 2 reactions · 0 assignees · Indexed Sep 18, 2026
Support general active target synchronization Open

enhancement onesided

JuliaParallel/MPI.jl#498 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Rename `set_errorhandler!` to `set_errhandler!` Open

JuliaParallel/MPI.jl#500 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
Keep reference to buffers used in one-sided ops until complete Open

JuliaParallel/MPI.jl#503 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
reduce failures using homebrew Open

macOS

JuliaParallel/MPI.jl#508 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Where's the nonblocking binding for MPI I/O? Open

enhancement

JuliaParallel/MPI.jl#514 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Should MPI.jl's license be changed? Open

question

JuliaParallel/MPI.jl#515 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
MPI.Reducev Open

enhancement

JuliaParallel/MPI.jl#531 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
UCX incompatible with CUDA.jl memory pool Open

CUDA :flower_playing_cards: UCX upstream

JuliaParallel/MPI.jl#532 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
`mpiexecjl` should use a PowerShell on Windows. Open

enhancement

JuliaParallel/MPI.jl#545 · 5 comments · 2 reactions · 0 assignees · Indexed Sep 18, 2026
MPI test hang on `mpiexecjl` with SLURM Open

JuliaParallel/MPI.jl#562 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Unable to locate `LocalPreferences.toml` outside of MPI.jl Open

MPIPreferences

JuliaParallel/MPI.jl#570 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Restore ability to use MPI implementations with unknown ABIs Open

MPIPreferences needs docs

JuliaParallel/MPI.jl#574 · 10 comments · 3 reactions · 0 assignees · Indexed Sep 18, 2026
How to create your own `consts.jl` file manually Open

JuliaParallel/MPI.jl#575 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Guidelines/rules for datatypes in constants files Open

JuliaParallel/MPI.jl#576 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
MPItrampoline: Avoid MPIconstants library Open

JuliaParallel/MPI.jl#582 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Add coverage to the `lib/` directory? Open

JuliaParallel/MPI.jl#610 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
MPI.jl with cray-mpich on the Cray XC50 is not running Open

Cray MPI

JuliaParallel/MPI.jl#616 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Wrapper for MPI_Intercomm_create Open

JuliaParallel/MPI.jl#619 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Use `MPIPreferences` to automatically initialise MPI? Open

enhancement MPIPreferences

JuliaParallel/MPI.jl#627 · 18 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Intended way to generate MPI.jl compatible C bindings Open

JuliaParallel/MPI.jl#667 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Non-blocking version of recv (irecv) Open

JuliaParallel/MPI.jl#681 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Allow setting thread level for tests Open

JuliaParallel/MPI.jl#690 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
test_threads failures on Windows x86 Open

Windows

JuliaParallel/MPI.jl#711 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
MPIPreferences + Test Open

JuliaParallel/MPI.jl#715 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
MPI implementations intercepting Signals is incompatible with Julia GC safepoint Open

Intel MPI

JuliaParallel/MPI.jl#725 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Wrong semantics description in docstring for MPI_Ibarrier Open

JuliaParallel/MPI.jl#745 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Option to disable unsupported features -- eg: matched send/recv Open

Cray MPI

JuliaParallel/MPI.jl#759 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
expose Fortran conversions Open

JuliaParallel/MPI.jl#784 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
Workers don't spool up on first run of passive RMA example Open

RMA

JuliaParallel/MPI.jl#799 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Make MPItrampoline the default Open

MPIPreferences

JuliaParallel/MPI.jl#801 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Rename extensions to include MPI in name Open

JuliaParallel/MPI.jl#802 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Proper Locking Open

JuliaParallel/MPI.jl#809 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026

JuliaParallel/MPI.jl

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