This work presents a comparative study of several parallel I/O implementations in the Weather Research and Forecasting model (WRF). The I/O libraries under study include PnetCDF, HDF5 via NetCDF4, and ADIOS. Our evaluation and performance analysis can guide I/O strategies for modern parallel codes.

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Software mentioned: PnetCDF, HDF5, ADIOS

CASS members supporting the software: RAPIDS

Published: December 13, 2024