These instructions show how to run parallel IDL jobs on Super Computing Wales. Please contact Huw Morgan (hum2@aber.ac.uk) for more information.

1. Save the 4 example files into your home directory and extract the zip file.

$ wget https://portal.supercomputing.wales/wp-content/uploads/2019/09/idl_examples.zip

$ unzip idl_examples.zip

2. Change the home directory line in the IDL code set_sunbird.pro to your appropriate directory. You can first directly test if this is working by running IDL manually on head node (note use of capitals):

$ module load IDL

$ idl

set_sunbird,[’sdo’,’stereo’];loads SSW environments for e.g. sdo and stereo

3. You are now ready to test the parallel job example:

$ sbatch huwexample_master.sh

4. It should work and output a slurm text file, showing progress. It may fail due to lack of IDL licenses (there are only 10).

5. Check progress with:

$ squeue -u username

(replace username with your own user id)

6. Cancel job with:

$ scancel job_id

These example files can hopefully serve as a template to running your own parallel jobs.

Example files download