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Re: Guix and openmpi in a container environment
From: |
Ludovic Courtès |
Subject: |
Re: Guix and openmpi in a container environment |
Date: |
Wed, 12 Feb 2020 15:10:38 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) |
Hello Todor,
Todor Kondić <address@hidden> skribis:
> guix environment -C -N --ad-hoc -m default.scm
> Simply installing openmpi (guix package -i openmpi) in my usual Guix profile
> just works out of the box. So, there has to be some quirk where the openmpi
> container installation is blind to some settings within the usual environment.
Open MPI and its “drivers” (UCX, PSM, etc.) browse /sys, /proc, and /dev
to determine what devices are available. Could it be that one of these
things is missing or different inside the container? Does ‘strace’
reveal anything?
The article at
<https://hpc.guix.info/blog/2019/12/optimized-and-portable-open-mpi-packaging/>
might shed some light on some of these things.
HTH,
Ludo’.
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