GEOS-Chem Online User's Guide

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GEOS-Chem v11-02-final will also carry the designation GEOS-Chem 12.0.0. We are migrating to a purely numeric versioning system in order to adhere more closely to software development best practices. For a complete description of the new versioning system, please see our GEOS-Chem version numbering system wiki page.

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 getting started with GCHP, please visit the main GEOS-Chem HP development wiki page.

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