For compilers to be WCET-aware

Heiko Falk, Paul Lokuciejewski, A compiler framework for the reduction of worst-case execution times, Real-Time Systems volume 46, pages251–300(2010), DOI: 10.1007/s11241-019-09337-9.

The current practice to design software for real-time systems is tedious. There is almost no tool support that assists the designer in automatically deriving safe bounds of the worst-case execution time (WCET) of a system during code generation and in systematically optimizing code to reduce WCET. This article presents concepts and infrastructures for WCET-aware code generation and optimization techniques for WCET reduction. All together, they help to obtain code explicitly optimized for its worst-case timing, to automate large parts of the real-time software design flow, and to reduce costs of a real-time system by allowing to use tailored hardware.

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