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https://doi.org/10.1109/arith....
Article . 2005 . Peer-reviewed
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DBLP
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The Residue Logarithmic Number System: Theory and Implementation

Authors: Mark G. Arnold;

The Residue Logarithmic Number System: Theory and Implementation

Abstract

The residue logarithmic number system (RLNS) represents real values as quantized logarithms which, in turn, are represented using the residue number system (RNS). Compared to the conventional logarithmic number system (LNS) in which quantized logarithms are represented as binary integers, RLNS offers faster multiplication and division times. RLNS and LNS use a table lookup involving all bits for addition. The width, dynamic range, precision and naive table size of RLNS (with careful moduli selection) is as good as those for conventional LNS. Conventional LNS can be more efficient than naive addition lookup. First, commutativity allows interchanging arguments. Second, the addition function is often essentially zero, and does not have to be tabulated. In binary, comparisons are easy. In residue, comparisons are slow. Although RLNS inherently demands comparison, this paper shows a novel way comparisons can be performed in parallel to the lookup from a small table. This paper also describes a novel tool that generates synthesizable Verilog, making RLNS viable in practical applications that can benefit from shorter multiply and divide times.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
12
Average
Top 10%
Average