Towards an actor-based concurrent machine model

Authors:
Hans Schippers;Tom Van Cutsem;Stefan Marr;Michael Haupt;Robert Hirschfeld
Affiliations:
Universiteit Antwerpen, Antwerpen, Belgium;Vrije Universiteit Brussel, Brussels, Belgium;Vrije Universiteit Brussel, Brussels, Belgium;Hasso Plattner Institute, Potsdam, Germany;Hasso Plattner Institute, Potsdam, Germany
Venue:
Proceedings of the 4th workshop on the Implementation, Compilation, Optimization of Object-Oriented Languages and Programming Systems
Year:
2009

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Abstract

In this position paper we propose to extend an existing delegation-based machine model with concurrency primitives. The original machine model which is built on the concepts of objects, messages, and delegation, provides support for languages enabling multi-dimensional separation of concerns (MDSOC). We propose to extend this model with an actor-based concurrency model, allowing for both true parallelism as well as lightweight concurrency primitives such as coroutines. In order to demonstrate its expressiveness, we informally describe how three high-level languages supporting different concurrency models can be mapped onto our extended machine model. We also provide an outlook on the extended model's potential to support concurrency-related MDSOC features.