A plurality of optical crossbar switches and exchange switches for parallel processor computer
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United States of America Patent
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Mar 7, 1989
Issued Date -
N/A
app pub date -
Aug 29, 1986
filing date -
Nov 27, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A computer (30) has parallel elementary processors (P1, . . . , PK) interconnected by an optical crossbar switch (32). Multiple groups of processors, each having a separate crossbar switch, are connected by exchange switches. Optical fibers (34) are used to provide high speed communication between the processors and the switch (32). The optical crossbar switch (32) is reconfigurable dynamically. The computer is reconfigurable to provide efficient implementations of signal processing and logical inference computations, including a systolic filter, a fast Fourier transform, a correlator and a matrix-vector multiplier, forward and backward chaining inference machine, and speech recognizer.
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