The ILLIAC IV was the first massively parallel computer, originally designed to hold 256 64-bit floating-point units and four central processing units able to process a billion operations per second. Budget constraints limited the completed machine to a single quadrant of 64 floating-point units and one CPU, an array-processor design that its own documentation describes as single instruction, multiple threads.
Facts
Sources
1. ILLIAC IV - Wikipedia
History, ARPANET connection paragraphQuote, History, ARPANET connection paragraph
ILLIAC IV was connected to the ARPANET for distributed use in November 1975, becoming the first network-available supercomputer, beating the Cray-1 by nearly 12 months.
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