Code Generation for Embedded Java With Ptolemy

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Executive Summary

Code generation from models is the ultimate goal of model-based design. For real-time systems the generated code must be analyzable for the worst-case execution time (WCET). This paper evaluates Java code generation from Ptolemy II for embedded real-time Java. The target system is the time-predictable Java processor JOP. The quality of the generated code is verified by WCET analysis for the target platform. The results indicate that code generated from synchronous data-flow and finite state machine models is WCET analyzable and the generated code leads to tight WCET bounds.

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