Java Virtual Machine Specification
Java Virtual Machine Specification
Real-Time Objects on the Bare Metal: An Efficient Hardware Realization of the JavaTM Virtual Machine
ISORC '01 Proceedings of the Fourth International Symposium on Object-Oriented Real-Time Distributed Computing
Computer Architecture, Fourth Edition: A Quantitative Approach
Computer Architecture, Fourth Edition: A Quantitative Approach
Garbage collection for safety critical Java
JTRES '07 Proceedings of the 5th international workshop on Java technologies for real-time and embedded systems
A Java processor architecture for embedded real-time systems
Journal of Systems Architecture: the EUROMICRO Journal
Garbage collection for safety critical Java
JTRES '07 Proceedings of the 5th international workshop on Java technologies for real-time and embedded systems
Non-blocking object copy for real-time garbage collection
JTRES '08 Proceedings of the 6th international workshop on Java technologies for real-time and embedded systems
Cross-profiling for Java processors
Software—Practice & Experience
Nonblocking real-time garbage collection
ACM Transactions on Embedded Computing Systems (TECS)
Scheduling of hard real-time garbage collection
Real-Time Systems
Applying industrial-strength testing techniques to critical care medical equipment
SAFECOMP'12 Proceedings of the 31st international conference on Computer Safety, Reliability, and Security
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In this paper we investigate the overheads of object-oriented operations, such as virtual method dispatch and field access, in the context of an embedded processor for real-time systems. As an example we use a Java processor that implements those operations in microcode similar to the way those operations are compiled to a RISC processor. As this processor is a soft-core, implemented in an FPGA, an optimization of those operations is a valuable option. Significant application speedup is possible by providing an architecture for object-oriented programming languages. We also evaluate the hardware cost of this optimization with respect to the application speedup.