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AGERE'13 |
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Mohsen Lesani, Antonio Lain
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Abstract. Actors
interact by asynchronous message passing. A key semantic property of
actors is that they do not share state. This facilitates data-race
freedom, fault isolation and location transparency. On the other hand, strict avoidance of sharing can lead to inefficiency.
We propose the sharing actor programming model that extends the actor
programming model with single-writer multiple-reader sharing of data. We define the sharing actor theory and prove its
semantic equivalence to the pure actor theory. We realize the sharing
actor theory with an efficient implementation. The implementation
benefits from sharing data but keeps it transparent to actors. To
increase the confidence that the implementation complies with the
semantics, we have built a checking tool based on deterministic replay
of actor programs.
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[Paper]
[Technical Report]
[Tool Source Code]
[Presentation]
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