Realtime garbage collection in the JamaicaVM 3.0

Siebert, Fridtjof

doi:10.1145/1288940.1288954

Cited by 49 publications

(20 citation statements)

References 10 publications

(9 reference statements)

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“…Time-based scheduling was introduced by Bacon et al [14]. Lastly, the most well-known work-based scheduling was introduced by Baker [15] and used in Jamaica VM [16]. As this study is about the large object allocation we will not examine these strategies further.…”

Section: Real-time Javamentioning

confidence: 99%

A switchable approach to large object allocation in real-time Java

Şahin

Kocabiçak²

2016

Turk J Elec Eng & Comp Sci

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Abstract:Over the last 20 years object-oriented programming languages and managed run-times like Java have been very popular because of their software engineering benefits. Despite their popularity in many application areas, they have not been considered suitable for real-time programming. Besides many other factors, one of the barriers that prevent their acceptance in the development of real-time systems is the long pause times that may arise during large object allocation. This paper examines different kinds of solutions that have been developed so far and introduces a switchable approach to large object allocation in real-time Java. A synthetic benchmark application that is developed to evaluate the effectiveness of the presented technique against other currently implemented techniques is also described.

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Section: Real-time Javamentioning

confidence: 99%

A switchable approach to large object allocation in real-time Java

Şahin

Kocabiçak²

2016

Turk J Elec Eng & Comp Sci

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“…There are several other JVMs for embedded and realtime systems, including Fiji VM [13], JamaicaVM [15] and HVM [10]. To our knowledge, only the HVM has special handling for constant arrays and allows allocating their contents in flash memory.…”

Section: Related Workmentioning

confidence: 99%

The final Frontier

Erhardt

Kuhnle

Stilkerich

et al. 2014

Proceedings of the 12th International Workshop on Java Technologies for Real-Time and Embedded Systems

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Managed, type-safe languages such as Java are becoming an increasingly competitive alternative for programming realtime and embedded applications, a field which has traditionally been dominated by C. However, one peculiar issue in the use of Java is the insufficient way immutable data is handled. There are some important cases, such as primitive arrays, where the final keyword is not expressive enough to declare data as truly constant. This leads to an unnecessary increase in both code size and runtime memory footprint. Moreover, it prevents the compiler from applying its optimisations as aggressively as would be possible. In this paper, we propose a set of compiler techniques to improve the handling of immutable data in embedded Java applications. Our approach includes (a) detecting constant program data that could not be declared as such by the programmer, (b) eliminating the overhead associated with it, and (c) providing an automated way to allocate that data in flash memory in order to save RAM.

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“…-A collection of CHART rules have been produced by ATEGO to replace the JAVA code generator within ARTISAN STUDIO [2]. -A collection of CHART rules are being developed by AICAS for the purpose of optimisations and machine code generation in the JAMAICAVM byte code compiler [15]. This application is discussed in some more detail below.…”

Section: Experience and Evaluationmentioning

confidence: 99%

Graph Transforming Java Data

Mol

Rensink

Hunt

2012

Fundamental Approaches to Software Engineering

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Abstract. This paper introduces an approach for adding graph transformationbased functionality to existing JAVA programs. The approach relies on a set of annotations to identify the intended graph structure, as well as on user methods to manipulate that structure, within the user's own JAVA class declarations. Other ingredients are a custom transformation language, called CHART, and a compiler from CHART to JAVA. The generated JAVA code runs against the pre-existing, annotated code. The advantage of the approach is that it allows any JAVA program to be enhanced, non invasively, with declarative graph rules, improving clarity, conciseness and verifiability.

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Realtime garbage collection in the JamaicaVM 3.0

Cited by 49 publications

References 10 publications

A switchable approach to large object allocation in real-time Java

A switchable approach to large object allocation in real-time Java

The final Frontier

Graph Transforming Java Data

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