Before you can use or access Hopper, you must have an active NERSC account and valid password. If you don't, follow the "Accounts and Allocations" link in "See Also" at right.
Hopper should be used in the following way: Log in to a "login" node, bring your files and data over, compile your code, and create a batch submission script. Then submit that script so that your application runs on the Hopper "compute" nodes. Pay attention to the various file systems available and the choices in programming environments, and make sure you use the compiler "wrappers."
Franklin and Hopper have similar programming environments but there are some key architectural differences between them. This page describes those differences and how they may improve your productivity. Read More »