Derecho Checklist

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Soren Rasmussen edited this page Jul 7, 2023 · 14 revisions

Derecho Checklist

Derecho is the upcoming HPC cluster and there will need to be changes to WRF-Hydro to prepare for optimal performance. Gust, a small test system designed to prototype Derecho, can be used for testing.

Performance

Use more MPI Collectives for better performance

Reduce number of files for file system

Reduce Number of Input Files

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Method	Pros	Cons

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Related issues

#504

Reduce Numer of Output Files

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Method	Pros	Cons

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Related issues

Bugs

with Cray compiler -O3 breaks wrf-hydro

Wishlist

eliminate warnings from Cray compiler