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Modular Reasoning for Deterministic Parallelism

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Executive Summary

Weaving a concurrency control protocol into a program is difficult and error-prone. One way to alleviate this burden is deterministic parallelism. In this well-studied approach to parallelization, a sequential program is annotated with sections that can execute concurrently, with automatically injected control constructs used to ensure observable behaviour consistent with the original program. This paper examines the formal specification and verification of these constructs. The high-level specification defines the conditions necessary for correct execution; these conditions reflect program dependencies necessary to ensure deterministic behaviour.

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