Type of Document Master's Thesis Author Nelson, Jeffrey Ernest URN etd-06102012-040603 Title Automatic, incremental, on-the-fly garbage collection of actors Degree Master of Science Department Computer Science and Applications Advisory Committee
Advisor Name Title Kafura, Dennis G. Committee Chair Arthur, James D. Committee Member Henry, Sallie M. Committee Member Keywords
- Parallel processing (Electronic computers)
Date of Defense 1989-02-15 Availability restricted AbstractGarbage collection is an important topic of research for operating systems, because applications are
easier to write and maintain if they are unburdened by the concerns of storage management. The actor computation model is another important topic: it is a powerful, expressive model of concurrent computation. This thesis is motivated by the need for an actor garbage collector for a distributed real-time system under development by the Real-Time Systems Group at Virginia Tech.
It is shown that traditional garbage collectors—even those that operate on computational objects—are not sufficient for actors. Three algorithms, with varying degrees of efficiency, are presented as solutions to the actor garbage collection problem. The correctness and execution complexity of the algorithms is derived. Implementation methods are explored, and directions for future research are proposed.
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