Parallel object monitors

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Parallel object monitors

Título: Parallel object monitors
Autor: Caromel, Denis; Mateu, Luis; Pothier, Guillaume; Tanter, Eric
Resumen: Coordination of parallel activities on a shared memory machine is a crucial issue for modern software, even more with the advent of multi-core processors. Unfortunately, traditional concurrency abstractions force programmers to tangle the application logic with the synchronization concern, thereby compromising understandability and reuse, and fall short when fine-grained and expressive strategies are needed. This paper presents a new concurrency abstraction called POM, parallel object monitor, supporting expressive means for coordination of parallel activities over one or more objects, while allowing a clean separation of the coordination concern from application code. Expressive and reusable strategies for concurrency control can be designed, thanks to a full access to the queue of pending requests, parallel execution of dispatched requests together with after-actions, and complete control over reentrancy. A small domain-specific aspect language is provided to adequately configure pre-packaged, off-the-shelf synchronizations.
Fecha: 2008-08-25
Cita del item: CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE Volume: 20 Issue: 12 Pages: 1387-1417 Published: AUG 25 2008

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