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This paper reports on our experience with the implementation of the Real-time Specification for Java on the Ovm open source Java virtual machine. We describe the architecture and main design decisions involved in implementing real-time Java on Ovm. We present the first use of Real-time Java in avionics in the context of control software for a ScanEagle(More)
One of the most powerful features of the real-time specification for Java (RTSJ) is the new memory management model based on scoped memory areas. This model allows programmers to ensure timely reclamation of memory and predictable performance, at the cost of an unfamiliar programming model. We report on experience using and implementing scoped memory areas.(More)
We report on our experience with the implementation of the Real-time Specification for Java (RTSJ) in the DARPA Program Composition for Embedded System (PCES) program. Within the scope of PCES, Purdue University and the Boeing Company collaborated on the development of Ovm, an open source implementation of the RTSJ virtual machine. Ovm was deployed on a(More)