Updated: 28 February 2024
1. Load required modules and set environment variables
Paste the below lines into your terminal. (Putting these in ~/.bashrc is not recommended.)
module purge module load cpeIntel/23.09 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/1.6.39-cpeIntel-23.09 module load JasPer/1.900.1-cpeIntel-23.09 module load ADIOS2/2.9.1-cpeIntel-23.09 export WRF_EM_CORE=1 # Explicitly select ARW core developed by NCAR export WRF_NMM_CORE=0 # Not NMM core export WRF_DA_CORE=0 # Not WRFDA export WRF_CHEM=0 # Not WRF-Chem 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) export ADIOS2=${EBROOTADIOS2} export WRFIO_NCD_LARGE_FILE_SUPPORT=1 # (Optional) export PNETCDF_QUILT=1 # (Optional) ### Common mistake :: insert spaces before or after =
2. Set install location directory (DIR)
Let set an install path, DIR.
# While being in your desired install location directory, execute export DIR=$(pwd)
3. Download WRF source code
An example for WRF 4.5.2 is as shown below.
cd $DIR wget https://github.com/wrf-model/WRF/releases/download/v4.5.2/v4.5.2.tar.gz tar xzf v4.5.2.tar.gz mv WRFV4.5.2 WRF
4. Enable GRIB2 IO (Optional)
Must set JASPERINC and JASPERLIB in Step 1
Open ${DIR}/WRF/arch/Config.pl (or Config_new.pl) using a text editor such as vi
Change the parameter
$I_really_want_to_output_grib2_from_WRF
from"FALSE"
to"TRUE"
vi ${DIR}/WRF/arch/Config.pl # or Config_new.pl # Change $I_really_want_to_output_grib2_from_WRF = "FALSE" ; # to $I_really_want_to_output_grib2_from_WRF = "TRUE" ;
5. Configure
5.1 Run ./configure
cd ${DIR}/WRF ./configure # Type 51, then press Enter <-- (dm+sm) INTEL (ftn/icc): Cray XC # Type 1, then press Enter <-- Basic nesting
5.2 Edit configure.wrf
Open ${DIR}/WRF/configure.wrf using a text editor such as vi
Change all
icc
tocc -Wno-implicit-function-declaration -Wno-implicit-int
Append
-Wno-implicit-function-declaration -Wno-implicit-int
to existingcc
.Prepend
-fp-model precise
toFCBASEOPTS_NO_G
.
vi configure.wrf # Change SCC = icc # to SCC = cc -Wno-implicit-function-declaration -Wno-implicit-int # Change CCOMP = icc # to CCOMP = cc -Wno-implicit-function-declaration -Wno-implicit-int # Change DM_CC = cc # to DM_CC = cc -Wno-implicit-function-declaration -Wno-implicit-int # Change FCBASEOPTS_NO_G = -w -ftz -fno-alias -align all $(FORMAT_FREE) $(BYTESWAPIO) # to FCBASEOPTS_NO_G = -fp-model precise -w -ftz -fno-alias -align all $(FORMAT_FREE) $(BYTESWAPIO)
6. Compile WRF
./compile em_real 2>&1 | tee compile.wrf.log # This step takes around 1 hour on LANTA.
7. Example: Job submission script
#!/bin/bash #SBATCH -p compute # Partition #SBATCH -N 1 # Number of nodes #SBATCH --ntasks-per-node=32 # Number of MPI processes per node #SBATCH --cpus-per-task=4 # Number of OpenMP threads per MPI process #SBATCH -t 5-00:00:00 # Job runtime limit #SBATCH -J WRF # Job name #SBATCH -A ltxxxxxx # Account *** {USER EDIT} *** module purge module load cpeIntel/23.09 module load cray-hdf5-parallel/1.12.2.7 module load cray-netcdf-hdf5parallel/4.9.0.7 module load cray-parallel-netcdf/1.12.3.7 module load libpng/1.6.39-cpeIntel-23.09 module load JasPer/1.900.1-cpeIntel-23.09 module load ADIOS2/2.9.1-cpeIntel-23.09 export OMP_STACKSIZE="32M" export OMP_NUM_THREADS=${SLURM_CPUS_PER_TASK} ulimit -s unlimited #srun -n16 -c1 ./geogrid.exe #srun -N1 -n1 -c1 ./ungrib.exe #srun -n16 -c1 ./metgrid.exe srun -n16 ./real.exe srun -n${SLURM_NTASKS} -c${SLURM_CPUS_PER_TASK} ./wrf.exe
Contact Us
ThaiSC support service : thaisc-support@nstda.or.th