Simple example: submitting a batch study

example of batch study

The following template manages the submission of a batch run study. The model comes from the Simcenter Amesim demo collection and already contains batch parameters, so no pre-processing is required. The study is ready for the HPC export. This demo is based on the self-executable template.

Run the demo:

Procedure

1. Create a local version of the generic script: demo_hpc_lsf_QuarterCar_batch.sh (available in $AME/scripting/python/hpc/demo)

2. Edit the file and configure the working directory in WDIR.Copy# Define the working directory. WDIR="TO_BE_DEFINED"

3. Define the virtual X server command in OTHERS_ARGS variable if needed. Go to the command description chapter for more information.

4. Change the executable authority of the script.Copychmod +x demo_hpc_lsf_QuarterCar_batch.sh

5. Execute the script.Copy./demo_hpc_lsf_QuarterCar_batch.sh

   As a result, the job id and command to monitor the study will be displayed. Copy`user@head-node:~/test$ ./demo_hpc_lsf_QuarterCar_batch.sh Information: GNU GCC version is 4.8.3 Starting Python ... Information: GNU GCC version is 4.8.3

   Monitoring command :

   AMEHPCMonitor --dir /home/user/test/wdir1/

   Batch job 101 has been submitted.`

6. Display the job status:Copyuser@hpc-headnode:~$ bjobs 101 JOBID USER STAT QUEUE FROM_HOST EXEC_HOST JOB_NAME SUBMIT_TIME 101 user RUN normal head-node *ESIM_demo Apr 15 15:32

7. Start the monitoring:Copy`user@hpc-headnode:~$ AMEHPCMonitor --dir /home/user/test/wdir1/ Information: GNU GCC version is 4.8.3 Starting Python ... Information: GNU GCC version is 4.8.3 Submitted Preparing Running   Nb Batch Runs: n/a || {'unknown': 'n/a', 'finished': 'n/a', 'aborted': 'n/a'}

Running   Nb Batch Runs: 7 || {'unknown': 0, 'finished': 7, 'aborted': 0} Completed`

The file QuarterCar.ame is finally saved in the working directory, it contains the batch run simulation results.

8. Open the model in Simcenter Amesim and plot any variables to check the results of the batch study.

Results

A version of the script is also available for the Slurm job scheduler: demo_hpc_slurm_QuarterCar_batch.sh.