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An Autoscale Residue Multiplier
April 1982 (vol. 31 no. 4)
pp. 321-325
F.J. Taylor, Department of Electrical and Computer Engineering, University of Cincinnati
Dynamic range overflow is a serious problem in residue arithmetic systems. Contemporary overflow management schemes rely on inefficient scaling operations. In this correspondence a residue scaler is architectured which inhibits dynamic range overflow. The system uses the popular three moduli set {2n-1, 2n, 2n + 1}. Using a 4K memory model, practical 12-and 18-bit autoscalers are configured. An error model for the derived residue arithmetic unit is also derived and experimentally verified.
Index Terms:
residue number, Dynamic range ovefflow, error model, fixed point multiplier-scaler
Citation:
F.J. Taylor, C.H. Huang, "An Autoscale Residue Multiplier," IEEE Transactions on Computers, vol. 31, no. 4, pp. 321-325, April 1982, doi:10.1109/TC.1982.1675999
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