Articles | Volume 14, issue 12
Geosci. Model Dev., 14, 7477–7495, 2021
https://doi.org/10.5194/gmd-14-7477-2021
Geosci. Model Dev., 14, 7477–7495, 2021
https://doi.org/10.5194/gmd-14-7477-2021
Development and technical paper
07 Dec 2021
Development and technical paper | 07 Dec 2021

MagIC v5.10: a two-dimensional message-passing interface (MPI) distribution for pseudo-spectral magnetohydrodynamics simulations in spherical geometry

Rafael Lago et al.

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Short summary
In this work we discuss a two-dimensional distributed parallelization of MagIC, an open-source code for the numerical solution of the magnetohydrodynamics equations. Such a parallelization involves several challenges concerning the distribution of work and data. We detail our algorithm and compare it with the established, optimized, one-dimensional distribution in the context of the dynamo benchmark and discuss the merits of both implementations.