Optimal DC/AC Data Bus Inversion Coding

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dc.contributor.authorLucas, Jan
dc.contributor.authorLal, Sohan
dc.contributor.authorJuurlink, Ben
dc.date.accessioned2018-11-02T09:01:40Z
dc.date.available2018-11-02T09:01:40Z
dc.date.issued2018-10-29
dc.description.abstractGDDR5 and DDR4 memories use data bus inversion (DBI) coding to reduce termination power and decrease the number of output transitions. Two main strategies exist for encoding data using DBI: DBI DC minimizes the number of outputs transmitting a zero, while DBI AC minimizes the number of signal transitions. We show that neither of these strategies is optimal and reduction of interface power of up to 6% can be achieved by taking both the number of zeros and the number of signal transitions into account when encoding the data. We then demonstrate that a hardware implementation of optimal DBI coding is feasible, results in a reduction of system power and requires only an insignificant additional die area. This file provides the open research data for this paper.en
dc.description.sponsorshipEC/H2020/688759/EU/Low-Power Parallel Computing on GPUs 2/LPGPU2en
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/8391
dc.identifier.urihttp://dx.doi.org/10.14279/depositonce-7540
dc.language.isoenen
dc.relation.issupplementtohttp://dx.doi.org/10.14279/depositonce-7061
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.ddc004 Datenverarbeitung; Informatikde
dc.subject.otherdata bus inversionen
dc.subject.otherDDR4en
dc.subject.otherGDDR5en
dc.subject.otherpower consumptionen
dc.subject.othertermination poweren
dc.titleOptimal DC/AC Data Bus Inversion Codingen
dc.typeTabular Dataen
tub.accessrights.dnbunknown*
tub.affiliationFak. 4 Elektrotechnik und Informatik::Inst. Technische Informatik und Mikroelektronik::FG Architektur eingebetteter Systemede
tub.affiliation.facultyFak. 4 Elektrotechnik und Informatikde
tub.affiliation.groupFG Architektur eingebetteter Systemede
tub.affiliation.instituteInst. Technische Informatik und Mikroelektronikde

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