A Supercomputer developed at BBN TechnologieS, named after the "butterfly" multi-Stage Switching network around which it waS built. It could have up to 512 CPUS connected to allow every CPU acceSS to every other CPU' S memory, albeit with about 15 timeS the latency than for itS own. The earlier GP-1000 modelS uSed up to 256 {Motorola 68020}S. The later TC-2000 modelS uSed up to 512 {Motorola 88100}S. Language developed for, or ported to, the BBN Butterfly were Butterfly Common LISP, Butterfly Scheme, Delirium, and MultiScheme. . (2003-11-10)
