From: zimoun <zimon.toutoune@gmail.com>
To: "Maurice Brémond" <Maurice.Bremond@inria.fr>
Cc: "Ludovic Courtès" <ludo@gnu.org>, 39588@debbugs.gnu.org
Subject: [bug#39588] gnu: Add mpich, scalapack-mpich, mumps-mpich, pt-scotch-mpich, python-mpi4py-mpich
Date: Tue, 18 Feb 2020 19:22:17 +0100 [thread overview]
Message-ID: <CAJ3okZ0wT_LxDcZ1LvyKN9-_QDUO9i+U_43Uhjdma5gAeWg=0g@mail.gmail.com> (raw)
In-Reply-To: <87k14j6amk.fsf@inria.fr>
Hi Maurice,
On Tue, 18 Feb 2020 at 18:58, Maurice Brémond <Maurice.Bremond@inria.fr> wrote:
> If I understand, in this case, the usage of --with-input is
> possible because implicit packages are very likely to not use mpi ?
Maybe I miss the issue. I have not look at mumps and related since... years. :-)
(Neither your patches. :-D)
If mumps depends explicitly on openmpi, then '--with-inputs' can
rewrite the direct dependencies, by providing say mpich instead of
openmpi.
If petsc* depends explicitly on openmpi and on mumps (which depends
explicitly on openmpi too), then '--with-inputs=openmpi=mpich' will
*only* rewrite the dependency of petsc but not of mumps. So it ends
with petsc compiled with mpich and mumps with openmpi.
Still considering this (fictive) example, where:
- petsc depends on openmpi(1) and mumps
- mumps depends on openmpi(2)
The openmpi(2) is an implicit dependency for petsc and '--with-inputs'
does not work.
*because I know better PETSc than Scotch. ;-)
> You can try with my original patch just a transformation of
> mumps-openmpi into mumps-mpich:
>
> guix time-machine --url=https://gitlab.inria.fr/bremond/guix.git \
> --branch=add-mpich -- \
> environment -K --pure --ad-hoc mumps-openmpi \
> --with-input=mpi=mpich --with-input=openmpi=mpich --
>
> This works for me, I can use a similar command to compile and execute a
> program which uses mumps and I can see with ldd that mpich is used.
>
> Then with the current mpich patch on savannah master:
>
> guix time-machine --commit=c70261bfb993cebc23cd80042de3f52a8b7932a4 -- \
> environment -K --pure --ad-hoc mumps-openmpi \
> --with-input=mpi=mpich --with-input=openmpi=mpich --
>
> This fails on my machine for the pt-scotch check (there is the same
> error with scalapack check)
Are 'pt-scotch' and 'scalapack' compiled with 'mpich' or 'openmpi'?
Because maybe "mumps-openmpi --with-input=openmpi=mpich" compiles
'mumps' using 'mpich' as MPI but compile 'pt-scotch' or 'scalapack'
with the default implementation which seems 'openmpi'.
Thank you for your work.
All the best,
simon
next prev parent reply other threads:[~2020-02-18 18:23 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-13 10:44 [bug#39588] gnu: Add mpich, scalapack-mpich, mumps-mpich, pt-scotch-mpich, python-mpi4py-mpich Maurice Brémond
2020-02-17 17:26 ` Ludovic Courtès
2020-02-17 18:20 ` zimoun
2020-02-20 9:08 ` Ludovic Courtès
2020-02-20 10:23 ` zimoun
2020-02-21 8:03 ` Ludovic Courtès
2020-02-21 8:40 ` zimoun
2020-02-25 16:41 ` zimoun
2020-10-15 19:50 ` zimoun
2020-10-16 9:32 ` Ludovic Courtès
2020-10-16 11:46 ` zimoun
2020-10-19 13:46 ` Maurice Brémond
2020-10-20 20:55 ` Ludovic Courtès
2020-10-23 9:33 ` Maurice Brémond
2020-10-23 15:26 ` Ludovic Courtès
2020-10-23 17:04 ` Maurice Brémond
2020-11-02 14:02 ` bug#39588: " Ludovic Courtès
2020-10-21 14:43 ` [bug#39588] (off-topic) double time-machine explanations zimoun
2020-10-23 8:41 ` Maurice Brémond
2020-02-18 17:58 ` [bug#39588] gnu: Add mpich, scalapack-mpich, mumps-mpich, pt-scotch-mpich, python-mpi4py-mpich Maurice Brémond
2020-02-18 18:22 ` zimoun [this message]
2020-02-19 11:45 ` Maurice Brémond
2020-02-19 12:11 ` zimoun
2020-02-19 13:34 ` zimoun
2020-02-21 9:01 ` Maurice Brémond
2020-02-20 9:38 ` Ludovic Courtès
2020-02-21 8:46 ` Maurice Brémond
2020-02-21 11:32 ` Ludovic Courtès
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