Cache Locking Content Selection Algorithms for ARINC-653 Compliant RTOS
Why this work is in the frame
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Bibliographic record
Abstract
Avionic software is the subject of stringent real time, determinism and safety constraints. Software designers face several challenges, one of them being the interferences that appear in common situations, such as resource sharing. The interferences introduce non-determinism and delays in execution time. One of the main interference prone resources are cache memories. In single-core processors, caches comprise multiple private levels. This breaks the isolation principle imposed by avionic standards, such as the ARINC-653. This standard defines partitioned architectures where one partition should never directly interfere with another one. In cache-based architectures, one partition can modify the cache content of another partition. In this paper, we propose a method based on cache locking to reduce the non-determinism and the contention on lower level memories while improving the time performances.
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Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it