![]() ![]() The experimental results confirm the achievement of good execution performance. The second example is related to a parallel simulation of a multi-agent model for the Iterated Prisoner's Dilemma (IPD), which permits to observe the emergence of cooperation in large populations of players. ![]() The first one is concerned with a parallel algorithm for matrix multiplication. This paper describes Parallel Theatre and the particular control forms which were developed for untimed and timed parallel systems. Locks are avoided not only at the application level, as it was already demonstrated by classical actor systems, but also in the runtime system, thus enabling high-performance computing of scalable systems. A key factor of Parallel Theatre consists in being a completely lock-free computing framework. Parallel Theatre avoids sockets and Java serialization. This paper proposes a novel extension of Theatre, Parallel Theatre, which is developed for an exploitation of the computing potential of nowadays multi-core machines with shared memory. Messages and actors exploit Java serialization/deserialization when moving from a theatre to another. In its distributed implementation, Theatre rests on a socket network initially established among the interacting theatres. ![]() Actors can move from a theatre to another. A Theatre system is a federation of theatres (computing nodes), upon which application actors are partitioned. A reflective control layer, which can be tailored to the needs of specific application domains, is responsible for scheduling and dispatching messages asynchronously exchanged among actors. The core feature of Theatre is its control-based character. Theatre, though, can also be used for untimed complex systems. Theatre is an actor-based system currently implemented in Java, which enables modelling, analysis and implementation of predictable time-dependent distributed systems like cyber-physical systems. ![]()
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