WRF

    # Example for building WRF with AOCC
$ spack install wrf build_type=dm+sm %aocc ^hdf5 +fortran ^openmpi fabrics=cma,ucx

    #!/bin/bash
WRF_VERS=4.4
CONUS_INP=conus_2-5KM  

# Load WRF built with AOCC 
spack load wrf %aocc

# Setup the input and work directory
WORK_DIR=${PWD}/wrf                     # To keep WRF related input and runtime logs
WRF_INP_2_5KM=${WORK_DIR}/input         # Conus Input directory which contains wrfinput_d01, wrfbdy_d01 etc.
WRF_RUN_2_5KM=${WORK_DIR}/rundir		# Conus run directory where WRF output data generates

mkdir -p ${WORK_DIR} ${WRF_INP_2_5KM} ${WRF_RUN_2_5KM}

# Download WRF4.4 input and untar input
cd ${WRF_INP_2_5KM}
wget https://www2.mmm.ucar.edu/wrf/users/benchmark/v44/v4.4_bench_conus2.5km.tar.gz  # Download size ~34 GB
tar -xvf v4.4_bench_conus2.5km.tar.gz -C ${WRF_INP_2_5KM} --strip-components=1
cd ${WRF_RUN_2_5KM}

# Softlink WRF_HOME run directory and conus input to run directory
ln -sfn ${WRF_HOME}/run/* .				# Spack loads WRF_HOME environment variable
cp ${WRF_HOME}/configure.wrf .

# Remove old logs and namelist
rm -rf namelist.input rsl.* wrfout* 1node1tile

# Softlink Conus input to run directory
ln -sfn ${WRF_INP_2_5KM}/* .

# Runtime settings for AMD EPYC™ Processor when NPS is set to 4
export CORES_PER_L3CACHE=8
export NUM_CORES=$(nproc)
export OMP_NUM_THREADS=4
MPI_RANKS=$(( $NUM_CORES / $OMP_NUM_THREADS ))
RANKS_PER_L3CACHE=$(( $CORES_PER_L3CACHE / $OMP_NUM_THREADS ))
MPI_OPTS=" -np $MPI_RANKS --bind-to core --map-by ppr:$RANKS_PER_L3CACHE:l3cache:pe=${OMP_NUM_THREADS} "

export OMP_STACKSIZE="64M"
export OMP_PROC_BIND=TRUE
export OMP_PLACES=threads

export WRFIO_NCD_NO_LARGE_FILE_SUPPORT=1
export WRF_EXE=${WRF_HOME}/main/wrf.exe

echo "Running time mpirun $MPI_OPTS ${WRF_EXE}"

mpirun $MPI_OPTS ${WRF_EXE}