mpi4py / mpi4py

Python bindings for MPI

Repository from Github https://github.commpi4py/mpi4py

mpi4py/mpi4py Issues

TestDPM fails with PMIX_ERR_BAD_PARAM on bigendian s390x ppc64
Updated 2 months ago13
Update conda release for easy environment builds
Closed 2 months ago4
Allow Access to Function Pointers
Closed 2 months ago
MPI stub
Closed 2 months ago6
[DOC] Unclear type of `MPI4PY_RC_IRECV_BUFSZ`
Closed 2 months ago1
Algorithm selection for collective communication operation
Closed 2 months ago
nvidia HPC-X not supported
Closed 2 months ago9
Error when running `osu_lantency` under a large data size
Closed 2 months ago7
Error when use multinode mpi4py with anaconda environment
Closed 2 months ago6
undefined symbol: ompi_mpi_errors_abort error
Closed 2 months ago
libiconv.so.2 ImportError
Closed 2 months ago1
Get information on which MPI library is used during runtime
Updated 3 months ago5
mpi4py 4 and `get_config()`
Closed 5 months ago6
Is there a record of build flags used
Closed 3 months ago2
Print MPI information
Closed 3 months ago1
Communicators are not hashable
Closed 3 months ago1
Python 3.13 compatibility and mpi4py 3
Closed 3 months ago1
Overwhelming warnings when compiling with OneAPI
Closed 3 months ago3
Building MPI4py with ubuntu 24.04 MPICH results in broken installation
Closed 3 months ago9
pyMPI
Closed 3 months ago2
test_mpiapi failing with mpich (on 32-bit arches)
Closed 3 months ago8
test_util_pool test_apply failing build-time tests
Closed 4 months ago6
How to force set world size
Closed 4 months ago
python setup.py build error redefinition of ‘PyMPI_MPICH_MPI_Type_get_extent_x
Closed 4 months ago4
mpich spawn failure on 32-bit powerpc
Updated 4 months ago
SEGFAULT when importing mpi4py on HPC systems
Closed 4 months ago4
"error: ‘MPI_Session’ does not name a type" with mpi4py 4.0
Closed 5 months ago2
mpi4py-mpich on PyPI: compatibility with Python 3.11
Updated 5 months ago3
Conda package compatible with Python 3.12
Closed 5 months ago3
KeyError from buffer formats with explicit endianness
Closed 5 months ago2
Compile error: unknown type name ‘MPI_Session’
Closed 5 months ago2
Ctrl+C Keyboard interrupts are not passed on to Python
Closed 5 months ago3
Segmentation fault, Signal 11, on any MPI job on Linux HPC systems
Closed 5 months ago2
Integrate `mpi4py-mpich` into `mpi4py` or other options?
Closed 8 months ago11
testPackUnpackExternal (and testArgsOnlyAtRoot) fails with mpich on 32-bit arches
Closed 6 months ago43
Some suggestions for the pip installation page of the guide!
Closed 6 months ago4
pip installation fails with "Cannot open configuration file"
Closed 8 months ago10
Python Object versions of non-blocking functions like Ialltoall, Iscatter, Igather, Ibcast, etc
Closed 7 months ago
How to obtain env vars using function os.envrion.get()?
Closed 8 months ago2
Add support for GPU_Query_Support
Closed 8 months ago9
mpi4py.futures: Support os.process_cpu_count() from Python 3.13
Closed 8 months ago1
setuptools 69.5 breaks mpi4py installation
Closed 9 months ago13
mpi4py 3.1.5 not installing for python 3.11
Closed 9 months ago1
Process pinning with MPIPoolExecutor
Closed 10 months ago
offline install
Closed 10 months ago2
mpi4py.profile didn't generate logfile
Closed 10 months ago1
Interactive Python Shell becomes unresponsive with Threads connected to mpi4py parallel processes
Closed a year ago3
MPI & web compatibility
Closed a year ago
Test failure with OpenMPI 5.0.1
Closed a year ago3
test_memory.testReadOnly fails on python 3.12
Closed a year ago8