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  BACKEND_machName of machine to run on → Keep set to ${TRUE_HOST}

BACKEND_time_modRequested job wallclock time in seconds

BACKEND_cmRequested memory per MPI process -> gets adjusted automatically by the model scripts




GEM_ptopoMPI(x*y) * OMP PEs topology (Syntax: MPIx x MPIy x OpenMP).
Example: GEM_ptopo=8x4x2
    uses 8 MPI tiles in x-direction, 4 MPI tiles in y-direction with OpenMP=2 for a total of 64 cores.
You can set the OpanMP OpenMP factor (last factor ) to 1 or 2. If there are enough resources you can also set it to 4.

Keep in mind that the minimum number of grid points for a GEM tile is ~25:
   pilot region (Grd_maxcfl+7)  + blending (Lam_blend_H (default 10))  + 5 points
If you change the tiling and your simulation suddenly crashes right at the beginning of the model executable it might be that the tiling you chose does not work for this grid. Choose another tiling and try again.
In general you want to keep your tiles as square as possible to keep the amount of data exchange between tiles to a minimum.


GEM_expCurrent experiment name; Keep the '_YYYYMM' at the end. It will get replaced by the scripts with the current year/month!

GEM_analFull path of initial condition file. This file needs to match the start date of your simulation!

GEM_anclimaFull path of SST & sea ice fraction files minus the _YYYYMM at the end!

GEM_climatoClimatological file or directory

GEM_ozoneFull path of the ozone climatology file

GEM_geophyGeophysical fields file; specify directory of file 'Gem_geophy.fst'
This file should match your grid!

GEM_inrepWorking directory for driving data
On CC machines this should be under ~/scratch/...

GEM_ovbinPath to the model executables (up until but excluding 'build-${ORDENV_PLAT}')

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