test for parallel I/O file creates/opens

NOAA-EMC / NCEPLIBS-ncio

This is a NOAA library used by NCEP GSI system to read the GFS forecast files for use in data assimilation.

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Closed edwardhartnett closed 2 years ago

edwardhartnett commented 3 years ago

All testing is sequential. We need parallel I/O tests too.

edwardhartnett commented 3 years ago

One part of parallel I/O tests is to grab a copy of of this file from UFS_UTILS and put it in the cmake directory of this project: https://github.com/NOAA-EMC/UFS_UTILS/blob/develop/cmake/LibMPI.cmake

Then you write an MPI program that runs on 4 processors and tests the ncio library. Here's an MPI test so you see what it looks like: https://github.com/NOAA-EMC/UFS_UTILS/blob/develop/tests/chgres_cube/ftst_program_setup.F90

arunchawla-NOAA commented 3 years ago

What is the status of this? There is a PR for it ?

BrianCurtis-NOAA commented 3 years ago

@arunchawla-NOAA it does have a PR linked already. The PR works except for MacOS and we are trying to figure it out.