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<p>A new addition algorithm, ELM, is presented. This algorithm makes use of a tree of simple processors and requires O(log n) time, where n is the number of bits in the augend and addend. The sum itself is computed in one pass through the tree. This algorithm was discovered by a VLSI CAD tool, FACTOR, developed for use in synthesizing CMOS VLSI circuits.</p>
simple processors tree; addition algorithm; ELM; augend; addend; VLSI CAD tool; FACTOR; CMOS VLSI circuits; computational complexity; digital arithmetic.

T. Kelliher, M. Irwin, T. Hwang and R. Owens, "ELM-A Fast Addition Algorithm Discovered by a Program," in IEEE Transactions on Computers, vol. 41, no. , pp. 1181-1184, 1992.
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