It runs Cray Linux (based on SUSE) and assuredly somebody is running Fortran on it in some form. Many people think these large machines are intended for a smal

It runs Cray Linux (based on SUSE) and assuredly somebody is running Fortran on it in some form. Many people think these large machines are intended for a small handful of users that run extremely large jobs. That's typically not the case; they typically have tens of users per day up to hundreds per week, depending on institution. With diverse users comes diverse software and the challenges based on that.