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IEEE Transactions on Computers
Article . 2000 . Peer-reviewed
License: IEEE Copyright
Data sources: Crossref
DBLP
Article . 2021
Data sources: DBLP
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Improving Goldschmidt division, square root, and square root reciprocal

Authors: Milos D. Ercegovac; Laurent Imbert; David W. Matula; Jean-Michel Muller; Guoheng Wei;

Improving Goldschmidt division, square root, and square root reciprocal

Abstract

The aim of this paper is to accelerate division, square root, and square root reciprocal computations when the Goldschmidt method is used on a pipelined multiplier. This is done by replacing the last iteration by the addition of a correcting term that can be looked up during the early iterations. We describe several variants of the Goldschmidt algorithm, assuming 4-cycle pipelined multiplier, and discuss obtained number of cycles and error achieved. Extensions to other than 4-cycle multipliers are given. If we call G/sub m/ the Goldschmidt algorithm with m iterations, our variants allow us to reach an accuracy that is between that of G/sub 3/ and that of G/sub 4/, with a number of cycle equal to that of G/sub 3/.

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    influence
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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!
46
Top 10%
Top 10%
Top 10%
bronze