Update the key file in numpywren/key and set the lambda parameter in numpywren/download_block.py and the output key in numpywren/upload_block.py
Judge Karl for making the configuration so convoluted, push your changes and run:
Run the below command with INSTANCE_PROFILE_NAME set to the value configured in your .pywren_config
ssh into any of your nodes and run:
mpirun -n 2400 -ppn 48 -f ~/nodefile ~/HPL-solve/hpl-2.2/bin/ec2/xhpl > res.out