Intel Paragon
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The Intel Paragon was a series of massively parallel supercomputers produced by Intel. The Paragon XP/S was a productized version of the experimental Touchstone Delta system built at CalTech, launched in 1992. The Paragon superseded Intel's earlier iPSC/860 system, to which it was closely related.
The Paragon series was based around the i860 RISC microprocessor. Up to 2048 (later, up to 4000) i860s were connected in a 2D grid. In 1993, an entry-level Paragon XP/E variant was announced with up to 32 processors.
Intel intended the Paragon to run the OSF/1 AD distributed operating system on all processors. However, this was found to be inefficient in practice, and a light-weight kernel called SUNMOS was developed at Sandia National Laboratories to replace OSF/1 AD on the Paragon's compute processors.
