MpAssign: a framework for solving the many‐core platform mapping problem
Bibliographic record
Abstract
SUMMARY Many‐core platforms, providing large numbers of parallel execution resources, emerge as a response to the increasing computation needs of embedded applications. A major challenge raised by this trend is the efficient mapping of applications on parallel resources. This is a nontrivial problem because of the number of parameters to be considered for characterizing both the applications and the underlying platform architectures. Recently, several authors have proposed to use multi‐objective evolutionary algorithm to solve this problem within the context of mapping applications on network‐on‐chips. However, these proposals have several limitations: (1) only few metaheuristics are explored (mainly Nondominated Sorting Genetic Algorithm II and Strength Pareto Evolutionary Algorithm 2), (2) only few objective functions are provided, and (3) they only deal with a small number of the application and architecture constraints. In this paper, we propose a new framework that avoids all of the problems cited previously. Our framework is implemented on top of the jMetal framework, which offers an extensible environment. Our framework allows designers to (1) explore several new metaheuristics, (2) easily add a new objective function (or to use an existing one), and (3) take into account any number of architecture and application constraints. The paper also presents experiments illustrating how our framework is applied to the problem of mapping streaming applications on an NoC‐based many‐core platform. Our results show that several new metaheuristics outperform the classical multi‐objective metaheuristics such as Nondominated Sorting Genetic Algorithm II and Strength Pareto Evolutionary Algorithm 2. Moreover, a parallel multi‐objective evolutionary algorithm is implemented in our framework in order to increase the explored space of solutions by simultaneously running several metaheuristics. Copyright © 2011 John Wiley & Sons, Ltd.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.002 | 0.002 |
| Research integrity | 0.002 | 0.002 |
| Insufficient payload (model declined to judge) | 0.005 | 0.001 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".