Dataflow computer for following data dependent path processes

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3642295, 3642394, 3642399, 36424342, 3642599, 3642596, 3642624, 3642629, 3642631, 364DIG1, 364DIG2, 3642664, G06F 930, G06F 9345, G06F 9445, G06F 1128

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054653720

ABSTRACT:
A dataflow machine for generally following data dependent path processes, the machine including an instruction store, an operand store, a plurality of data dependent path process executors, each process executor including an instruction queue and a queue loader associated with the instruction queue and operative to load the instruction queue with instructions selected from the instruction store, wherein the instructions with which the instruction queue is loaded are associated with a dynamically determined data dependent path process and are selected based, at least in part, on an active operand associated with each instruction, the active operand including a result of a previous instruction, and wherein at least some of the instructions are selected based, at least in part, on availability of an outside operand, and wherein the queue loader is operative to read the outside operand from the operand store, execution apparatus operative to sequentially apply each instruction in each instruction queue to at least the active operand associated with each instruction and to produce a result from each instruction, and storing apparatus operative to store the result in the operand store.

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patent: 4964042 (1990-10-01), Sterling et al.
patent: 4972375 (1990-11-01), Yamasaki et al.
patent: 5241635 (1993-08-01), Papadopoules et al.
David E. Culler, "Dataflow Architecture" (1986), Annual Reviews in Computer Science.
Bic L., "A Process Oriented Model For Efficient Execution of Dataflow Programs", Proceedings of the 7th International Confrence on Distributed Computing, Berlin (1987).
R. A. Iannucci, "A Dataflow/Von-Neumann Hybrid", LCS TR-418 MIT, Cambridge, Mass., May 1988.
I. Gottlieb, "Dynamic Structured Data Flow: Preserving the Advantages of Sequential Processing in a Data Driven Environment", Inter. Con. on Parallel Processing, Chicago, 1988.

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