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Scalable Processor ARChitecture : FOLDOC | Scalable Processor ARChitecture (SPARC) An instruction set architecture designed by Sun Microsystems for their own use in 1985. Sun was a maker of 680x0-based Unix workstations. Research versions of RISC processors had promised a major step forward in speed but existing manufacturers were slow to introduce a RISC type processor, so Sun went ahead and developed its own, based on the {University of California at Berkley}'s {RISC I} and {RISC II} 1980-2. In keeping with their open philosophy, they licenced it to other companies, rather than manufacture it themselves. The evolution and standardisation of SPARC is now directed by the non-profit consortium SPARC International, Inc. SPARC was not the first RISC processor. The AMD 29000 came before it, as did the MIPS R2000 (based on {Stanford}'s design) and Hewlett-Packard {Precision Architecture} CPU, among others. The SPARC design was radical at the time, even omitting multip
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