NDLI: Model Checking Task Parallel Programs Using Gradual Permissions (N)

Content Provider	IEEE Xplore Digital Library
Author	Mercer, E.G. Anderson, P. Vrvilo, N. Sarkar, V.
Copyright Year	2015
Description	Author affiliation: Brigham Young Univ., Provo, UT, USA (Mercer, E.G.; Anderson, P.) \|\| Rice Univ., Houston, TX, USA (Vrvilo, N.; Sarkar, V.)
Abstract	Habanero is a task parallel programming model that provides correctness guarantees to the programmer. Even so, programs may contain data races that lead to non-determinism, which complicates debugging and verification. This paper presents a sound algorithm based on permission regions to prove data race and deadlock freedom in Habanero programs. Permission regions are user annotations to indicate the use of shared variables over spans of code. The verification algorithm restricts scheduling to permission region boundaries and isolation to reduce verification cost. The effectiveness of the algorithm is shown in benchmarks with an implementation in the Java Pathfinder (JPF) model checker. The implementation uses a verification specific library for Habanero that is tested using JPF for correctness. The results show significant reductions in cost, where cost is controlled with the size of the permission regions, at the risk of rejecting programs that are actually free of any data race or deadlock.
Starting Page	535
Ending Page	540
File Size	625959
Page Count	6
File Format	PDF
e-ISBN	9781509000258
DOI	10.1109/ASE.2015.75
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-11-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	System recovery Schedules Java Synchronization Model checking Data models Writing Java Pathfinder Data race deadlock model checking task parallel languages Habanero
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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