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Task-Flow Architecture for WSI Parallel Processing
April 1992 (vol. 25 no. 4)
pp. 10-18

The basics of task-flow architecture and the simulated wafer-scale implementation of flowing tasks (SWIFT), a register-transfer simulator that investigates the behavior of task-flow programs, are discussed. SWIFT simulates a ring of cells with two pipeline stages between successive cells. Each cell contains an arithmetic logic unit (ALU), a receive queue for holding incoming transmission packets, and a memory for storing memory packets (MPs). The chain wafer-scale integration (WSI) architecture that allows linear arrays to be configured from the working cells on a partially good wafer is applied to task-flow-machine implementations. Results from a limited Monte Carlo simulation run to predict yields for a 164-cell wafer configured using the chain WSI technique are presented. Results of a simulated sparse matrix-vector multiplication application of the task-flow architecture are also presented.

Robert W. Horst, "Task-Flow Architecture for WSI Parallel Processing," Computer, vol. 25, no. 4, pp. 10-18, April 1992, doi:10.1109/2.129041
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