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Conference papers

Multi-threaded Active Objects

Ludovic Henrio 1 Fabrice Huet 1 Zsolt István 2
1 OASIS - Active objects, semantics, Internet and security
CRISAM - Inria Sophia Antipolis - Méditerranée , Laboratoire I3S - COMRED - COMmunications, Réseaux, systèmes Embarqués et Distribués
Abstract : Active objects offer a paradigm which simplifies writing distributed applications. Since each active object has a single thread of control, data races are prevented. However, this programming model has its limitations: it is deadlock-prone, and it is not efficient on multicore machines. To overcome these limitations, we present an extension of the active object model, called multi-active objects, that allows each activity to be multi-threaded. The new model is implemented as a Java library; it relies on method annotations to decide which requests can be run in parallel. It provides implicit parallelism, sparing the programmer from low-level concurrency mechanisms. We define the operational semantics of the multi-active objects and study the basic properties of this model. Finally, we show with two applications that our approach is easy to program and efficient.
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Submitted on : Saturday, April 27, 2013 - 10:16:15 AM
Last modification on : Thursday, January 20, 2022 - 4:13:29 PM
Long-term archiving on: : Tuesday, April 4, 2017 - 1:09:36 AM


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  • HAL Id : hal-00818482, version 1



Ludovic Henrio, Fabrice Huet, Zsolt István. Multi-threaded Active Objects. COORDINATION 2013, Jun 2013, Firenze, Italy. ⟨hal-00818482⟩



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