Power usage of production supercomputers and production workloads. - Scott Pakin; Curtis B. Storlie; Michael Lang 003; Robert E. Fields; Eloy E. Romero Jr.; Craig Idler; Sarah Michalak; Hugh Greenberg; Josip Loncaric; Randal Rheinheimer; Gary Grider; Joanne Wendelberger (Concurr. Comput. Pract. Exp., 2016)