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Stork S., Marques P., Aldrich J.

Proceedings of the Conference on Object-Oriented Programming Systems, Languages, and Applications, OOPSLA

pp 933



The rise of the multicore era is catapulting concurrency into mainstream programming. Current programming paradigms build in sequentiality, and as a result, concurrency support in those languages forces programmers into low-level reasoning about execution order. In this paper, we introduce a new programming paradigm in which concurrency is the default. Our Aeminium language uses access permissions to express logical dependencies in the code at a higher level of abstraction than sequential order. Therefore compiler/runtime-system can leverage that dependency information to allow concurrent execution. Because in Aeminium programmers specify dependencies rather than control flow, there is no need to engage in difficult, error-prone, and low-level reasoning about execution order or thread interleavings. Developers can instead focus on the design of the program, and benefit as the runtime automatically extracts the concurrency inherent in