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Record W2021731414 · doi:10.1049/iet-cdt.2013.0109

Column selection solutions for <i>L</i> 1 data caches implemented using eight‐transistor cells

2014· article· en· W2021731414 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.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueIET Computers & Digital Techniques · 2014
Typearticle
Languageen
FieldEngineering
TopicLow-power high-performance VLSI design
Canadian institutionsUniversity of Victoria
Fundersnot available
KeywordsCacheComputer scienceOverhead (engineering)TransistorStatic random-access memoryDissipationScalingSelection (genetic algorithm)CPU cacheColumn (typography)VoltageComputer hardwareEmbedded systemParallel computingElectrical engineeringComputer networkEngineeringArtificial intelligenceMathematicsOperating systemPhysics

Abstract

fetched live from OpenAlex

Voltage scaling can reduce power dissipation significantly. SRAM cells (which are traditionally implemented by using six‐transistor cells) can limit voltage scaling because of stability concerns. Eight‐transistor (8T) cells were proposed to enhance cell stability under voltage scaling. 8T cells, however, suffer from costly write operations caused by the column selection issue. A proposed technique, Read‐Modify‐Write (RMW), addresses this issue at the expense of extra read operations. The extra cache access affects performance and power dissipation negatively. In this study, the authors show that a large share of the cache accesses in RMW is unnecessary. To address this inefficiency, they propose two micro‐architectural solutions with the aim of reducing the overhead imposed by RMW. The authors first proposed technique, Write Grouping (WG), relies on a buffering mechanism that identifies the redundant and the unnecessary cache accesses imposed by RMW and eliminates them. Their second technique, WG and Read Bypassing (WG + RB), improves the WG's efficiency further at a negligible area cost. Their simulation results show that on average, WG and WG + RB reduce RMW's cache traffic overhead by 15% and 20%, respectively. They show that WG and WG + RB also improve average performance by 30% and 37%, respectively.

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)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Methods · Consensus signal: none
Teacher disagreement score0.853
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0010.000
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 head0.039
GPT teacher head0.244
Teacher spread0.205 · 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