Abstract

An 80-MFLOPS (peak) 64-b microprocessor that employs superscalar architecture to execute two instructions simultaneously in one 25-ns cycle, including the combination of 64-b floating-point add and multiply instructions, is described. The processor implemented in a 0.8- mu m CMOS technology contains 1300 K transistors. The processor also employs a RISC architecture and Harvard-style bus organization. The authors provide an overview of the processor, especially focusing on processor architecture, floating-point hardware, and performance.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

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