Publication:
Less memory and high accuracy logarithmic number system architecture for arithmetic operations

cris.author.scopus-author-id 26428387900
cris.author.scopus-author-id 22634128600
cris.author.scopus-author-id 56426995200
cris.author.scopus-author-id 22634137400
cris.virtual.department Universiti Malaysia Perlis
cris.virtual.department Universiti Malaysia Perlis
cris.virtual.department Universiti Malaysia Perlis
cris.virtual.department Universiti Malaysia Perlis
cris.virtualsource.department 38d41dbc-f544-4938-ae6f-ff73c5f7d1ac
cris.virtualsource.department c074e684-00ff-44f4-a69a-cc19c7850721
cris.virtualsource.department 2dab9ecc-7fc7-4448-b0bf-3021c88519e2
cris.virtualsource.department 5d3e1a9d-d534-4e75-b539-c7efc28cbed4
dc.contributor.author Siti Zarina Md Naziri
dc.contributor.author Rizalafande Che Ismail
dc.contributor.author Mohd Nazrin Md Isa
dc.contributor.author Razaidi Hussin
dc.date.accessioned 2024-09-29T12:07:14Z
dc.date.available 2024-09-29T12:07:14Z
dc.date.issued 2021-09-01
dc.description.abstract Interpolation is another important procedure for logarithmic number system (LNS) addition and subtraction. As a medium of approximation, the interpolation procedure has an urgent need to be enhanced to increase the accuracy of the operation results. Previously, most of the interpolation procedures utilized the first degree interpolators with special error correction procedure which aim to eliminate additional embedded multiplications. However, the interpolation procedure for this research was elevated up to a second degree interpolation. Proper design process, investigation, and analysis were done for these interpolation configurations in positive region by standardizing the same co-transformation procedure, which is the extended range, second order co-transformation. Newton divided differences turned out to be the best interpolator for second degree implementation of LNS addition and subtraction, with the best-achieved BTFP rate of +0.4514 and reduction of memory consumption compared to the same arithmetic used in european logarithmic microprocessor (ELM) up to 51%.
dc.identifier.doi 10.11591/ijeecs.v23.i3.pp1708-1717
dc.identifier.scopus 2-s2.0-85114343866
dc.identifier.uri https://hdl.handle.net/20.500.14170/6176
dc.relation.grantno undefined
dc.relation.ispartof Indonesian Journal of Electrical Engineering and Computer Science
dc.relation.ispartofseries Indonesian Journal of Electrical Engineering and Computer Science
dc.relation.issn 25024752
dc.rights open access
dc.subject Accuracy Co-transformation Interpolation Logarithmic number system Memory consumption
dc.title Less memory and high accuracy logarithmic number system architecture for arithmetic operations
dc.type Journal
dspace.entity.type Publication
oaire.citation.endPage 1717
oaire.citation.issue 3
oaire.citation.startPage 1708
oaire.citation.volume 23
oairecerif.affiliation.orgunit Universiti Malaysia Perlis
oairecerif.affiliation.orgunit Universiti Malaysia Perlis
oairecerif.affiliation.orgunit Universiti Malaysia Perlis
oairecerif.affiliation.orgunit Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Malaysia Perlis
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person.identifier.scopus-author-id 26428387900
person.identifier.scopus-author-id 22634128600
person.identifier.scopus-author-id 56426995200
person.identifier.scopus-author-id 22634137400
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