Page Comparison

...

Download source code

git clone https://github.com/mrnorman/miniWeather.git
cp -r miniWeather/c collision
cd collision

...

CPU jobs

1. Load modules

   Code Block
   language bash
   module purge module load cpeCray/23.03 module load cray-parallel-netcdf/1.12.3.3

...

2. Configure

   Code Block
   language bash
   export CXX="CC -craype-verbose"

...

1. cmake . -DOPENMP

...

1. _FLAGS="-fopenmp" \ -DNX=2000 -DNZ=1000 -DSIM_TIME=1000 -DOUT_FREQ=50 -DDATA_SPEC=DATA_SPEC_COLLISION

2. Make

   Code Block
   language bash
   make

3. Job script

...

1. Code Block
   language bash
   #!/bin/bash #SBATCH -p compute # Partition #SBATCH -N 1 # Number of nodes #SBATCH --ntasks-per-node=16 # Number of MPI processes per node #SBATCH --cpus-per-task=8 # Number of OpenMP threads per MPI process #SBATCH -t

...

1. 02:00:00 # Job runtime limit #SBATCH -A ltXXXXXX # Billing account *** USER EDIT *** #SBATCH -J MiniWeather # Job name module purge module load cpeCray/23.03 module load cray-parallel-netcdf/1.12.3.3

...

...

...

1. export PATH=/--path-to-collision-dir--:${PATH} # *** USER EDIT *** export OMP_NUM_THREADS=${SLURM_CPUS_PER_TASK} srun --cpus-per-task=${SLURM_CPUS_PER_TASK} openmp

...

GPU

...

jobs

1. Load modules

   Code Block
   language bash
   module purge module load cpeCray/23.03 module load cray-parallel-netcdf/1.12.3.3 module load cudatoolkit/23.3_11.8 module load craype-accel-nvidia80

2. Configure

   Code Block
   language bash
   export CXX="CC -craype-verbose" export LDFLAGS="-lcudart" cmake . -DOPENMP_FLAGS="-fopenmp" -DOPENMP45_FLAGS="-fopenmp" \ -DNX=2000 -DNZ=1000 -DSIM_TIME=1000 -DOUT_FREQ=50 -DDATA_SPEC=DATA_SPEC_COLLISION

3. Make

   Code Block
   language bash
   make

4. Job script

   Code Block
   language bash
   #!/bin/bash #SBATCH -p gpu # Partition #SBATCH -N 1 # Number of nodes #SBATCH --gpus-per-node=1 # Number of GPU card per node #SBATCH --ntasks-per-node=1 # Number of MPI processes per node #SBATCH --cpus-per-task=16 # Number of OpenMP threads per MPI process #SBATCH -t

...

1. 02:00:00 # Job runtime limit #SBATCH -A ltXXXXXX # Billing account *** USER EDIT *** #SBATCH -J MiniWeather # Job name module purge module load cpeCray/23.03 module load cray-parallel-netcdf/1.12.3.3 module load cudatoolkit/23.3_11.8 module load craype-accel-nvidia80 export PATH=/--path-to-collision-dir--:${PATH} # *** USER EDIT *** export OMP_NUM_THREADS=${SLURM_CPUS_PER_TASK} srun --cpus-per-task=${SLURM_CPUS_PER_TASK}

...

1. openmp45

...

(

...

Extra) Post-processing

module purge
module load Mamba/23.11.0-0

conda activate netcdf-py39
ncview ./output.nc
conda deactivate

...