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dc.contributor.authorGonzalez-Navarro, Sonia 
dc.contributor.authorHormigo-Aguilar, Javier 
dc.date.accessioned2019-07-29T08:38:42Z
dc.date.available2019-07-29T08:38:42Z
dc.date.created2019
dc.date.issued2019
dc.identifier.citationSonia González-Navarro and Javier Hormigo, New Results on Non-normalized Floating-pointFormats, IEEE Trans. on Computers, 2019en_US
dc.identifier.urihttps://hdl.handle.net/10630/18167
dc.description.abstractCompulsory normalization of the represented numbers is a key requirement of the floating-point standard. This requirement contributes to fundamental characteristics of the standard, such as taking the most of the precision available, reproducibility and facilitation of comparison and other operations. However, it also imposes a high restriction in effectiveness of basic arithmetic operation implementation. In many embedded applications may be worth to sacrifice the benefits of normalization for gaining in implementation metrics. This paper analyzes and measures the effect of removing the normalization requirement in terms of precision and implementation savings for embedded applications. We propose several adder and multiplier architectures to deal with non-normalized floating-point numbers, and quantify the accuracy loss and the improvements in hardware implementation. Our experiments show that it is possible to reduce the area and power consumption up to 78% in ASIC and 50% in FPGA implementations with a reasonable accuracy loss.en_US
dc.description.sponsorshipTIN2016-80920-R, JA2012 P12-TIC-1692, JA2012 P12-TIC-1470en_US
dc.language.isoengen_US
dc.publisherIEEE Computer Societyen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subject.otherNormalizationen_US
dc.subject.otherEmbedded systemsen_US
dc.subject.otherDSPen_US
dc.subject.otherFloating-pointen_US
dc.subject.otherStandarden_US
dc.titleNew Results on Non-normalized Floating-point Formatsen_US
dc.typeinfo:eu-repo/semantics/preprinten_US
dc.centroE.T.S.I. Informáticaen_US
dc.identifier.doihttp://dx.doi.org/10.1109/TC.2019.2929039


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