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Updated: 10 July 18 October 2023

Tip
A variant of WRF must be compiled prior to WPS. (WPS of the same major version as WRF is recommended.)

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1. Load required modules and set environment variables

Specify Paste the below lines into your terminal. Don’t forget to specify the path of to your local WRF directory, i.e., WRF_DIR.

Code Block

language	bash

module purge
module load cpeIntel/23.0309
module load cray-hdf5-parallel/1.12.2.7
module load cray-netcdf-hdf5parallel/4.9.0.7
module load cray-parallel-netcdf/1.12.3.7
module load libpng/1.6.3739-cpeIntel-23.0309
module load JasPer/1.900.1-cpeIntel-23.0309

export WRF_DIR=../WRF        # Path to WRF directory *** {USER EDIT} *** 

export NETCDF=${CRAY_NETCDF_HDF5PARALLEL_PREFIX}
export NETCDFPAR=${CRAY_NETCDF_HDF5PARALLEL_PREFIX}    
export PNETCDF=${CRAY_PARALLEL_NETCDF_PREFIX}           
export HDF5=${CRAY_HDF5_PARALLEL_PREFIX}
export JASPERINC=${EBROOTJASPER}/include              # (Optional)
export JASPERLIB=${EBROOTJASPER}/lib                  # (Optional)

### Common mistake :: insert spaces before or after =

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Open ./configure.wps using a text editor such as vi
- Add -L/lustrefs/disk/modules/easybuild/software/libpng/1.6.37-cpeIntel-23.03/lib to COMPRESSION_LIBS (L$(EBROOTLIBPNG)/lib between -ljasper and -lpng) [-L$EBROOTLIBPNG/lib]
- Append -Wno-implicit-function-declaration -Wno-implicit-int to cc.

Code Block

language	bash

vi configure.wps
# Change COMPRESSION_LIBS = ... -ljasper -lpng -lz
#   to   COMPRESSION_LIBS = ... -ljasper -L/lustrefs/disk/modules/easybuild/software/libpng/1.6.37-cpeIntel-23.03/L$(EBROOTLIBPNG)/lib -lpng -lz
# Change SCC = cc
#   to   SCC = cc -Wno-implicit-function-declaration -Wno-implicit-int

Info
If WRF was compiled with sm+dm option, also append `-qopenmp` to `WRF_LIB`.

5. Compile WPS

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Code Block

#!/bin/bash
#SBATCH -p compute              # Partition
#SBATCH -N 1                    # Number of nodes
#SBATCH --ntasks-per-node=16   # Number of MPI processes per node
#SBATCH -t 5-00:00:00           # Job runtime limit
#SBATCH -J WPS                  # Job name
#SBATCH -A ltxxxxxx             # Account *** {USER EDIT} ***

module purge
module load cpeIntel/23.0309
module load cray-hdf5-parallel/1.12.2.7
module load cray-netcdf-hdf5parallel/4.9.0.7
module load cray-parallel-netcdf/1.12.3.7
module load libpng/1.6.3739-cpeIntel-23.0309
module load JasPer/1.900.1-cpeIntel-23.03
module load flex/2.6.409

export OMP_NUM_THREADS=1

ulimit -s unlimited

srun -n16 ./geogrid.exe
srun -N1 -n1 ./ungrib.exe
srun -n16 ./metgrid.exe

#srun -n16 ./real.exe
#srun ./wrf.exe

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Versions Compared

Old Version 1

New Version 2

Key

1. Load required modules and set environment variables

5. Compile WPS