Re: [ESPResSo] MPI issue -- *RESOLVED*

[Olaf Lenz]

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Hi!

Tristan Bereau wrote:
> First of all, I apologize for sending many emails.

This is OK. It just tells us, that there is still some work to be done
in the documentation. P-)

> For future reference, I was able to solve my problem by simply renaming
> my folder /opt/mpich, and reconfiguring ESPResSo.
> That way, ESPResSo wasn't able to find it, and used openmpi instead.
> 
> I still wonder, though, why ESPResSo kept trying on using mpich instead
> of anything else.

The recognition of MPI in ESPReSo is far from being optimal. If I ever
had time for that again (which is, alas, not likely), I would basically
try to rewrite the whole procedure.
The recognition does not care for the order of the MPI implementations
in the path, but always uses the one it finds first - and it loks for
them in a specific order, where mpich comes before the "generic" interface.

Olaf
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