Verified Progress Tracking for Timely Dataflow.
Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
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- Verified Progress Tracking for Timely Dataflow
Forlagets udgivne version, 781 KB, PDF-dokument
Large-scale stream processing systems often follow the dataflow paradigm, which enforces a program structure that exposes a high degree of parallelism. The Timely Dataflow distributed system supports expressive cyclic dataflows for which it offers low-latency data- and pipeline-parallel stream processing. To achieve high expressiveness and performance, Timely Dataflow uses an intricate distributed protocol for tracking the computation’s progress. We modeled the progress tracking protocol as a combination of two independent transition systems in the Isabelle/HOL proof assistant. We specified and verified the safety of the two components and of the combined protocol. To this end, we identified abstract assumptions on dataflow programs that are sufficient for safety and were not previously formalized.
Originalsprog | Engelsk |
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Titel | 12th International Conference on Interactive Theorem Proving (ITP 2021) |
Redaktører | Liron Cohen, Cezary Kaliszyk |
Forlag | Schloss Dagstuhl - Leibniz-Zentrum für Informatik |
Publikationsdato | 2021 |
Sider | 1-20 |
Artikelnummer | 10 |
ISBN (Trykt) | {978-3-95977-188-7 |
DOI | |
Status | Udgivet - 2021 |
Begivenhed | 12th International Conference on Interactive Theorem Proving - ITP 2021 - Rome / (Virtual Conference), Italien Varighed: 29 jun. 2021 → 1 jul. 2021 |
Konference
Konference | 12th International Conference on Interactive Theorem Proving - ITP 2021 |
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Land | Italien |
By | Rome / (Virtual Conference) |
Periode | 29/06/2021 → 01/07/2021 |
Navn | Leibniz International Proceedings in Informatics, LIPIcs |
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Vol/bind | 193 |
ISSN | 1868-8969 |
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