Revision as of 15:23, 15 June 2022

MUSE HPC 2022 Workshop #1

Login to ELSA's Open OnDemand web portal with your TCNJ login and password
- Open browser and go to https://ondemand.hpc.tcnj.edu/
- Create your home directory if necessary by following the on-screen instructions

Additional help for this tutorial can be found at Accessing the Cluster via Open OnDemand

Login to the Open OnDemand port if you're not already logged in
Using the Open OnDemand menu, go to Clusters and choose _ELSA OpenHPC Cluster Shell Access
Execute Linux commands at the terminal prompt, e.g. ls
When you are done with the terminal, type exit at the command prompt and close the browser tab

Additional help for this tutorial can be found at Accessing the Cluster via SSH using Open OnDemand

Open a terminal shell
Add the ELSA tutorial module module add elsa-tutorial
Run the ELSA tutorial setup script elsa-tutorial-setup.sh
Change to elsa-tutorial directory cd elsa-tutorial
Look at the a submit scripts cat submit-serial.sh
Look at the other two submit scripts in the tutorial directory using either cat or the Open OnDemand file manager
Edit the three submit scripts to change the email address to your email address. Use either nano or the Open OnDemand edit file option in the file manager
Run the serial job sbatch submit-serial.sh (this one can take 2-3 minutes to complete)
Review the job.jobnumber.out file cat job.####.out or use the Open OnDemand file manager to view the contents
Run the other two jobs (these run much faster)
Review the job output files for these jobs

Additional help for this tutorial can be found at Submitting Your First HPC Job

Download the zip file from Another Pi Implementation to your computer
Unpack the zip on your local machine
Make a new folder in your ELSA cluster home directory (e.g. workshop1)
Upload at least the mpi-pi-numinteg program (optionally upload the other files) to the folder you created above
Copy the submit-mpi.sh script from the elsa-tutorial folder
Edit the copy to make any necessary changes
- Change the command to run from mdart 50000 10000 to mpi-pi-numinteg
- Use 2 nodes with 16 ntasks
Run the job
Review the job.jobnumber.out file

@@ Line 11: / Line 11: @@
 # Using the Open OnDemand menu, go to <code>Clusters</code> and choose <code>_ELSA OpenHPC Cluster Shell Access</code>
 # Execute Linux commands at the terminal prompt, e.g. <code>ls</code>
-# When you are done with the terminal, type <code>exit</code> at the command prompt and close the browser tab.
+# When you are done with the terminal, type <code>exit</code> at the command prompt and close the browser tab
 Additional help for this tutorial can be found at [https://docs.hpc.tcnj.edu/index.php/HPC_Cluster_Getting_Started#Open_OnDemand Accessing the Cluster via SSH using Open OnDemand]