Dr. John L. Gustafson: Publications
Written by one of the foremost experts in highperformance computing and the inventor of Gustafson's Law, The End of Error: Unum Computing explains a new approach to computer arithmetic: the universal number (unum). The unum encompasses all IEEE floatingpoint formats as well as fixedpoint and exact integer arithmetic. This new number type obtains more accurate answers than floatingpoint arithmetic yet uses fewer bits in many cases, saving memory, bandwidth, energy, and power.
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http://www.johngustafson.net/unums.html