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Questions - mpi4py

Unknown fatal error while calling C++ programm with Spawn in mpi4py

I have a Python script called manager.py, looking like this: #!/usr/bin/python3 from mpi4py import MPI import os import sys print("Running C++ workers") cpp_mpi_info = MPI.Info.Create() cpp...
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mlinke-ai

python

c++

mpi

mpi4py

Votes: 0

Answers: 0

Problem using mpiexec with python and mpi4py

I have a PC with Linux OpenSuse Leap 15.3. I use python through Anaconda version 4.11.0. I have mpi4py installed but when I want to run a simple program like: from mpi4py import MPI comm = MPI.COMM_WO...
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Miguel

python

mpi

mpi4py

mpiexec

Votes: 0

Answers: 1

Latest Answer

Instead of running it as mpiexec -n 4 python3.8 nameofprogram.py try to run it as mpiexec -n 4 python3 nameofprogram.py
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h3avyc0der

What is the correct way to handle a "mutex-like" lock for a mpi4py function call?

I have a function call in python which uses a package method that is non-thread safe (The package writes to three temporary files which have the same name). As the data needed to pass into this method...
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Phantom139

python

mpi

mpi4py

Votes: 0

Answers: 1

Latest Answer

Try a filesystem lock. It is essential that your conflict is between processes rather than threads (long story). Using fasteners library your code would look like this: import fasteners def mpi_call(...
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psarka

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