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Installing and running on Shaheen
These are instructions for getting started with PyClaw on the Shaheen supercomputer.
Copy install.sh to somewhere in your home directory on Shaheen.
Edit line 6 to set the environment variable projdir to point to where you want to install pyclaw.
Then issue the commands
source install.sh
module load ibm
pyclaw_build_all
The installation of the Riemann package will fail. You should comment out the following three lines in sandbox/clawpack/riemann/src/python/riemann/setup.py:
if len(lapack_args.keys()) == 0:
# Provide a default value
lapack_args['libraries'] = ['lapack','blas']
You can use this script to submit a test job. You may see some warnings about Riemann solvers that did not compile on Shaheen. As long as your job runs, you can ignore those.
You may want to change the branches of PyClaw or Riemann that are checked out on your system. You can do this just as you would on another machine.
To recompile after changing branches or updating:
cd sandbox/clawpack
git pull
cd ~
source install.sh
module load ibm
pyclaw_rebuild_clawpack_with_current_branches
- For large jobs, you should turn off logging by setting the logger levels to CRITICAL in pyclaw/src/pyclaw/log.config.
- You may also want to consider reducing the amount of output from your simulation, as output is relatively slow on Shaheen.