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Record W4210410570 · doi:10.1145/1879097.1879078

Parallelism generics for Ada 2005 and beyond

2010· article· en· W4210410570 on OpenAlex
Brad Moore

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

VenueACM SIGAda Ada Letters · 2010
Typearticle
Languageen
FieldComputer Science
TopicParallel Computing and Optimization Techniques
Canadian institutionsGeneral Dynamics (Canada)
Fundersnot available
KeywordsComputer scienceParallelism (grammar)Implicit parallelismConcurrencyProgramming languageParallel computingSyntaxTask parallelismCode (set theory)Artificial intelligence

Abstract

fetched live from OpenAlex

The Ada programming language is seemingly well-positioned to take advantage of emerging multi-core technologies. While it has always been possible to write parallel algorithms in Ada, there are certain classes of problems however, where the level of effort to write parallel algorithms outweighs the ease and simplicity of a sequential approach. This can result in lost opportunities for parallelism and slower running software programs. Languages such as Cilk++ and OpenMB provide expressive mechanisms to add parallelism to code using a C++ based syntax by adding special syntactic directives where parallelism is desired. This paper explores Ada's concurrency features to see whether it is possible to easily inject similar iterative and recursive parallelism to code written in Ada, without having to resort to special language extensions or non-standard language features. This paper identifies a "work-seeking" technique, which can be viewed as a form of compromise between work-sharing and work-stealing, two other existing strategies. The paper presents performance results to illustrate the benefits of use for the generics and goes on to suggest how parallelism pragmas could possibly be added to the Ada language to further facilitate writing parallel applications.

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 categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: Not applicable
GenreCandidate signal: Methods · Consensus signal: Methods
Teacher disagreement score0.334
Threshold uncertainty score0.674

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 communication0.0000.000
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 head0.012
GPT teacher head0.240
Teacher spread0.229 · 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