Show a pipelined implementation as in Figure 3.25 for six operands per iteration.
Determine the time required to add 24 operands and compare with a nonpipelined
scheme.
3.7
Further Readings
The literature on the basic idea of carry-save addition with [3:2] and [4:2] adders,
used in multioperand addition, is discussed in Chapter 2. Multioperand addition
schemes for magnitudes and signed operands, [p :2] modules, and column counters
are frequently discussed in the literature on multiplication (Chapter 4).
A simplification of the sign extension in multioperand addition of operands
in two's complement form, equivalent ...
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