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Encourage specific task schedules to reduce non-deterministic results #154

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@jprotze jprotze commented Sep 4, 2023

This PR encourages two different task schedules: all tasks executed by a worker thread and tasks with conflicting memory accesses scheduled to different threads.

Having these variants avoids non-deterministic classification and allows to distinguish task-centric and thread-centric data race analysis results.

Again: should we keep the variants close to the original by *b numbering?

The codes at the moment use the new (OpenMP-5.0) masked directive, which is only supported by newer compilers. A work-around for compilation with older compilers is to add -Dmasked=master and let the preprocessor replace the clause name.

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