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Record W2255454767 · doi:10.1049/iet-cdt.2015.0056

Evaluating fault tolerance on asymmetric multicore systems‐on‐chip using iso‐metrics

2015· article· en· W2255454767 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

fundA Canadian funder is recorded on the work.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueIET Computers & Digital Techniques · 2015
Typearticle
Languageen
FieldComputer Science
TopicParallel Computing and Optimization Techniques
Canadian institutionsnot available
FundersSeventh Framework ProgrammeEuropean CommissionQueen's UniversityMinisterio de Economía y CompetitividadFederación Española de Enfermedades RarasEngineering and Physical Sciences Research CouncilUniversidad Complutense de Madrid
KeywordsEmulationComputer scienceMulti-core processorEmbedded systemFault toleranceFrequency scalingImplementationReliability (semiconductor)Energy consumptionSupercomputerReliability engineeringPower (physics)Distributed computingEngineeringParallel computingElectrical engineering

Abstract

fetched live from OpenAlex

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.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Scholarly communication
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Methods · Consensus signal: none
Teacher disagreement score0.580
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0010.003
Science and technology studies0.0000.000
Scholarly communication0.0020.001
Open science0.0020.001
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.101
GPT teacher head0.347
Teacher spread0.246 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it