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GMD | Articles | Volume 13, issue 4
Geosci. Model Dev., 13, 1885–1902, 2020
https://doi.org/10.5194/gmd-13-1885-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: The Australian Community Climate and Earth System Simulator:...

Geosci. Model Dev., 13, 1885–1902, 2020
https://doi.org/10.5194/gmd-13-1885-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Development and technical paper 16 Apr 2020

Development and technical paper | 16 Apr 2020

Parallel I∕O in Flexible Modelling System (FMS) and Modular Ocean Model 5 (MOM5)

Rui Yang et al.

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Cited articles

Bartz, C., Chasapis, K., Kuhn, M., Nerge, P., and Ludwig, T.: A Best Practice Analysis of HDF5 and NetCDF-4 Using Lustre, ISC 2015, https://doi.org/10.1007/978-3-319-20119-1_20, 2015. 
Dennis, J. M., Edwards, J., Loy, R., Jacob, R., Mirin, A. A., Craig, A. P., and Vertenstein, M.: An application-level parallel I∕O library for Earth system models, The Int. J. High Perform. Comput. Appl., 26, 43–56, https://doi.org/10.1177/1094342011428143, 2011. 
Dickens, P. and Logan, J.: Towards a high performance implementation of MPI-IO on the Lustre file system, On the Move to Meaningful Internet Systems: OTM 2008 LNCS 5331, 870–885, https://doi.org/10.1007/978-3-540-88871-0_61, 2008. 
Edwards, J., Dennis, J. M., Vertenstein, M., and Hartnett, E.: PIO library, available at: http://ncar.github.io/ParallelIO/index.html (last access: March 2020), 2019. 
Griffies, S. M.: Elements of the Modular Ocean Model (MOM), GFDL Ocean Group Technical Report No. 7, NOAA/Geophysical Fluid Dynamics Laboratory, 620, available at https://github.com/mom-ocean/MOM5.git (last access: April 2020), 2012–2020. 
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Parallel I/O is implemented in the Modular Ocean Model (MOM) with optimal performance over a range of tuning parameters of model configuration, netCDF, MPI-IO and Lustre filesystem. The scalable parallel I/O performance is observed at 0.1° resolution global model, and it could achieve up to 60 times faster in write speed relative to serial single-file I/O running on 960 PEs.
Parallel I/O is implemented in the Modular Ocean Model (MOM) with optimal performance over a...
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