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An Esterel compiler for large control-dominated systems
Edwards, S.A.;
Computer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on
Volume 21,
Issue 2,
Feb. 2002
Page(s):169
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183
Abstract:
Embedded hard real-time software systems often need fine-grained parallelism and precise control of timing, things typical real-time operating systems do not provide. The Esterel language has both, but compiling large Esterel programs has been challenging, producing either needlessly slow or large code. This paper presents the first Esterel compiler able to compile large Esterel programs into fast, small code. By choosing a concurrent control-now graph (CCFG) as its intermediate representation, it preserves many of the control constructs to produce code that can be 100 times faster and half the size than code from other compilers with similar capacity. The primary contribution is an algorithm that generates efficient sequential code from a CCFG. While developed specifically for compiling Esterel, the algorithm could be used to compile other synchronous languages with fine-grained parallelism
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