GNU bug report logs - #73649
OpenMPI + mpi4py broken: rank=0

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Message #11 received at 73649 <at> debbugs.gnu.org (full text, mbox):

From: Antero Mejr <mail <at> antr.me>
To: Lars Bilke <lars.bilke <at> ufz.de>
Cc: 73649 <at> debbugs.gnu.org
Subject: Re: bug#73649: OpenMPI + mpi4py broken: rank=0
Date: Wed, 11 Dec 2024 18:35:27 -0500

Lars Bilke <lars.bilke <at> ufz.de> writes:

> The issue seems that openmpi is version 5.x but mpi4py is compiled against
> version 4.x.

That does fix it, thanks. Maybe packages built against MPI 4.x should
be upgraded to the default MPI version, because the docs say:

"The Open MPI v5.0.x series shared libraries are ABI compatible with
Open MPI v4.0.x and v4.1.x, with a few exceptions for Fortran."

https://docs.open-mpi.org/en/v5.0.x/version-numbering.html

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