Multi-Threaded Actors

Azadbakht, Keyvan; Boer, Frank S. de; Serbanescu, Vlad

doi:10.4204/eptcs.223.4

Cited by 5 publications

(3 citation statements)

References 17 publications

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“…Several extensions to the active object model enable controlled parallelism inside active objects [12,8,2]. Multi-active objects is an extension of ASP [12] where the programmer can declare that several requests can run in parallel on the same object.…”

Section: Active Objects and Actorsmentioning

confidence: 99%

Active Objects for Coordinating BSP Computations (Short Paper)

Hains¹,

Henrio²,

Leca³

et al. 2018

Lecture Notes in Computer Science

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Among the programming models for parallel and distributed computing, one can identify two important families. The programming models adapted to data-parallelism, where a set of coordinated processes perform a computation by splitting the input data; and coordination languages able to express complex coordination patterns and rich interactions between processing entities. This article takes two successful programming models belonging to the two categories and puts them together into an effective programming model. More precisely, we investigate the use of active objects to coordinate BSP processes. We choose two paradigms that both enforce the absence of data-races, one of the major sources of error in parallel programming. This article explains why we believe such a model is interesting and provides a formal semantics integrating the notions of the two programming paradigms in a coherent and effective manner.

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Section: Active Objects and Actorsmentioning

confidence: 99%

Active Objects for Coordinating BSP Computations (Short Paper)

Hains¹,

Henrio²,

Leca³

et al. 2018

Lecture Notes in Computer Science

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“…It also attributes the notion of concurrent object group, which is essentially a group of objects which share control [7]. Note that a complement to this notion where the active objects share the data, i.e., the message queue, instead of control is studied in [19].…”

Section: Abs: the Modeling Frameworkmentioning

confidence: 99%

Distributed Network Generation Based on Preferential Attachment in ABS

Azadbakht

Bezirgiannis

Boer

2017

SOFSEM 2017: Theory and Practice of Computer Science

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Generation of social networks using Preferential Attachment (PA) mechanism is proposed in the Barabasi-Albert model. In this mechanism, new nodes are introduced to the network sequentially and they attach to the existing nodes preferentially where the preference can be based on the degree of the existing nodes. PA is a classical model with a natural intuition, great explanatory power and interesting mathematical properties. Some of these properties only appear in large-scale networks. However generation of such extra-large networks can be challenging due to memory limitations. In this paper, we investigate a distributedmemory approach for PA-based network generation which is scalable and which avoids low-level synchronization mechanisms thanks to utilizing a powerful programming model and proper programming constructs.

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“…One of the major challenges addressed is the development of a Java library that scales in the number of executing actors and (suspended) method invocations on a single JVM. To reach this goal, we represent (suspended) method invocations in Java as a kind of Callable objects (referred to as tasks), which are stored into actor queues [1]. This representation allows the development of a library API which encapsulates a run-time system tailored to the efficient management of the dynamic generation, storage and execution of such tasks.…”

Section: Introductionmentioning

confidence: 99%

Actors with Coroutine Support in Java

Serbanescu

Boer

Jaghoori

2018

Formal Aspects of Component Software

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In this paper, we introduce a Java library for actors integrated seamlessly with futures and supporting coroutines. Coroutines allow actors to suspend the execution of a message and possibly schedule other messages before resuming the suspended continuation. As such coroutines enhance actors as a major building block for constructing software components. The library is used together with a compiler to generate code from an application model into an executable program in Java. A formal description of the translation process is provided together with the most important library methods. We highlight the importance of having a scalable and efficient implementation by means of some typical benchmarks which model a large number of tasks, coroutines and actors.

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Multi-Threaded Actors

Cited by 5 publications

References 17 publications

Active Objects for Coordinating BSP Computations (Short Paper)

Active Objects for Coordinating BSP Computations (Short Paper)

Distributed Network Generation Based on Preferential Attachment in ABS

Actors with Coroutine Support in Java

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