Pipelined Function Evaluation on FPGAs.
[presented at FPL 2001]

Oskar Mencer, Nicolas Boullis, Wayne Luk, Henry Styles, 

abstract.

This paper presents a method to evaluate any differentiable function 
based on a lookup table and a multiplier, for SRAM-based FPGAs. The unit 
is implemented in C++ as part of the PAM-Blox module generation environment. 
We compare the lookup-multiply method to full lookup, bipartite tables 
(lookup plus add), and shift-and-add based CORDIC units. We focus on fully 
pipelined units which are required for latency tolerant, vectorizable, 
stream-based applications.