I am running UPP in parallel, but it fails.

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hertneky
Posts: 63
Joined: Tue May 12, 2020 4:18 pm

I am running UPP in parallel, but it fails.

Post by hertneky » Wed Jun 03, 2020 5:29 pm

The compilation was successful, but when I try running UPP in parallel, it fails. Why?

hertneky
Posts: 63
Joined: Tue May 12, 2020 4:18 pm

Re: I am running UPP in parallel, but it fails.

Post by hertneky » Mon Sep 28, 2020 8:38 pm

This may be a memory issue, try increasing the number of CPUs or spreading them out across nodes (e.g. increase ptiles).

We also know of one version of MPI (mpich v3.0.4) that does not not work with UPP. A work-around was found by modifying the UPP/src/unipost/WRFPOST.f routine to change all unit 5 references (which is standard I/O) to unit 4 instead.

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