GEOS-Chem v11-01 Online User's Guide

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16. High Performance GEOS-Chem

High Performance GEOS-Chem (GCHP) is a hybrid version of the standard GEOS-Chem code (GEOS-Chem Classic) that includes an additional software layer consisting of the Earth System Model Framework (ESMF) and Message Passing Interface (MPI) parallelization libraries. It enables distributed memory execution in high-performance computing (HPC) environments. This will facilitate global GEOS-Chem simulations at extremely fine horizontal resolution (e.g. 0.25°).

GCHP has the following advantages over the GEOS-Chem Classic model:

For more information about GCHP, including how to download the publicly available GCHP Dev Kit, please visit the main GEOS-Chem HP development wiki page.

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