Rebuilding a Cray Supercomputer

There was a time when the word “supercomputer” inspired the same sort of giddy awe that infuses Superman or the Superconducting Super Collider. A supercomputer could leap tall buildings in a single bound and peer into the secrets of the universe. And chief among this race of almost mythical machines was the Cray. Seymour Cray’s first computer, the Cray 1, debuted in 1976 and was the embodiment of all the power that crackled around the supercomputer. It weighed 10,500 pounds. Thirty humans were necessary to help install it. And its first users built nuclear weapons: Model No. 1 went to Los Alamos National Laboratory. Eventually Cray sold 80… read more >

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