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3. Preliminaries for mkmapdata
The mkmapdata script calls ESMF to generate mapping files. Some of the input data sets are very large and require a large memory footprint, so we need an ESMF built with MPI (note that the ESMF in the e3sm-unified conda environment will not work for this). One way to do this is to build our own. On cori or nersc, the following should be sufficient:
| Code Block | ||
|---|---|---|
| ||
# Source environment settings used when building/running E3SM
MACHINE=cori-knl
# Set paths needed to build ESMF
export ESMF_DIR=${HOME}/software/esmf
export ESMF_COMM=mpi
export ESMF_COMPILER=intel
export ESMF_INSTALL_PREFIX=${HOME}/software/esmf/${MACHINE}_${ESMF_COMPILER}_${ESMF_COMM}
export ESMF_NETCDF="split"
# Build
cd ${ESMF_DIR}
gmake clean
gmake
gmake install |
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