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<p>It is shown that, given the ability to restructure wafer-level designs, there are different ways to employ redundancy. Redundancy is evaluated by estimating system computational availability over a mission lifetime. This technique is illustrated using two wafer-scale integration (WSI) case studies. The first is a very-fine-grained programmable systolic data processor (PSDP) that contains 4- and 8-b paths, RAM, and control optimized for signal and data processing applications. The second, the Mosaic multicomputer architecture, is a less fine-grained homogeneous architecture in which each node contains a 16-b microprocessor and associated RAM and ROM. Potential benefits of implementing these parallel processing architectures in wafer scale are discussed.</p>

N. Nigam, V. K. Jain, H. Hikawa, J. W. Yoder, D. Keezer and D. L. Landis, "Wafer-Scale Optimization Using Computational Availability," in Computer, vol. 25, no. , pp. 66-75, 1992.
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