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Analysis of institutional authors

Quintana-Orti, Enrique SAuthor

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October 16, 2024
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Evaluating fault tolerance on asymmetric multicore systems-on-chip using iso-metrics

Publicated to: IET Computers and Digital Techniques. 10 (2): 85-92 - 2016-03-01 10(2), DOI: 10.1049/iet-cdt.2015.0056

Authors:

Chalios, Charalampos; Nikolopoulos, Dimitrios S; Catalan, Sandra; Quintana-Orti, Enrique S
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Affiliations

Queens Univ Belfast, Sch EEECS, Belfast BT7 1NN, Antrim, North Ireland - Author
Univ Jaume 1, Dept Ingn & Ciencia Comp, Castellon De La Plana, Spain - Author

Abstract

The end of Dennard scaling has promoted low power consumption into a first-order concern for computing systems. However, conventional power conservation schemes such as voltage and frequency scaling are reaching their limits when used in performance-constrained environments. New technologies are required to break the power wall while sustaining performance on future processors. Low-power embedded processors and near-threshold voltage computing (NTVC) have been proposed as viable solutions to tackle the power wall in future computing systems. Unfortunately, these technologies may also compromise per-core performance and, in the case of NTVC, reliability. These limitations would make them unsuitable for HPC systems and datacenters. To demonstrate that emerging low-power processing technologies can effectively replace conventional technologies, this study relies on ARM's big.LITTLE processors as both an actual and emulation platform, and state-of-the-art implementations of the CG solver. For NTVC in particular, the study describes how efficient algorithm-based fault tolerance schemes preserve the power and energy benefits of very low voltage operation.
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Keywords

Asymmetric multicore systems-on-chipCg solverComputing systemsDennard scalingEmbedded processorsEnergyFault tolerance evaluationFault tolerant computingFrequency scalingHpc systemsIntegrated circuit reliabilityIsometricsLow power consumptionMultiprocessing systemsNear-threshold voltage computingNtvcPerformancPerformance-constrained environmentsPower conservation schemesSocSystem-on-chipVery low voltage operatioVoltage scaling

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal IET Computers and Digital Techniques, and although the journal is classified in the quartile Q4 (Agencia WoS (JCR)), its regional focus and specialization in Computer Science, Hardware & Architecture, give it significant recognition in a specific niche of scientific knowledge at an international level.

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Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2026-04-02:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 15.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 15 (PlumX).
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Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: United Kingdom.

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: Last Author (Quintana Ortí, Enrique Salvador).

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Awards linked to the item

We thank F. D. Igual, from Universidad Complutense de Madrid, for his help with the Odroid board. Sandra Catalan and Enrique S. Quintana-Orti were supported by projects TIN2011-23283 and TIN2014-53495-R of the MINECO and FEDER, and the EU project FP7 318793 'EXA2GREEN'. This work was partially conducted while this author was visiting Queen's University of Belfast. This research has also been supported in part by the European Commission under grant agreements FP7-323872 (ScoRPiO), FP6-610509 (NanoStreams) and by the UK Engineering and Physical Sciences Research Council under grant agreements EP/L000055/1 (ALEA), EP/L004232/1 (ENPOWER) and EP/K017594/1 (GEMSCLAIM)
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