Chapter 24. Distributed Arithmetic
Rajeevan AmirtharajahDepartment of Electrical and Computer EngineeringUniversity of California–Davis
Distributed arithmetic (DA) [1, 2] is a computation algorithm that performs multiplication using precomputed lookup tables (LUTs) instead of logic. It is well suited to implementation on homogeneous field-programmable gate arrays (FPGAs) because of its high utilization of the available LUTs. It may also have advantages for modern heterogeneous FPGAs that contain built-in multipliers because it is area efficient for implementing long digital filters. DA targets the sum-of-products (or vector dot product) operation, and many digital signal processing (DSP) tasks such as filter implementation, matrix multiplication, ...
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