Without counting secret machines, this is the state of supercomputing in the world: The United States’ government, companies, and universities have more computing power than the rest of the world combined. Each square within each country represents one supercomputer.
The first position goes to the 1.75-petaflop-per-second Cray’s Jaguar, housed at the Department of Energy’s Oak Ridge Leadership Computing Facility. [Mashable]
https://gizmodo.com/cray-xt-jaguar-the-new-worlds-fastest-supercomputer-5084224
