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FLEETzero: an asynchronous switching experiment

By William S. Coates, Jon K. Lexau, Ian W. Jones, Scott M. Fairbanks and Ivan E. Sutherland

Abstract

This paper describes a working chip, called FLEETzero, built to test an asynchronous switch fabric. The switch fabric transports 8-bit data items from any of eight sources to any of eight destinations. Measured throughput corresponds to approximately six gate-delays per data item, which in its 0.35 micron technology is in excess of 1.2 Giga-Data-Items per second (GDIh); the corresponding latency through seven stages from source to destination is less than 4 nanoseconds. FLEETzero demonstrates a new family of high speed asynchronous control circuits, especially data-controlled branch and merge circuits that form the switch fabric. The FLEET concept may also herald a paradigm shqt for computers. This new paradigm emphasizes data movement as the core action and contrasts with the traditional op code paradigm that focuses attention on logic and arithmetic instructions. The new paradigm promises outstanding throughput and many opportunities for optimization

Year: 2001
OAI identifier: oai:CiteSeerX.psu:10.1.1.180.3880
Provided by: CiteSeerX
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