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TMunit: Testing Transactional Memories

Transactional memory (TM) is expected to become a widely used parallel programming paradigm for multi-core architectures. To reach this goal, we need tools that do not only help develop TMs, but also test them and evaluate them on a wide range of workloads. In this paper, we introduce a novel tool, TMunit, to assist researchers in designing and optimizing TMs. TMunit provides a domain-specific language for specifying workloads, and tests the performance and semantics of TMs. TMunit is freely available online. It comes with a test suite that compares the performance of TMs and explain their differences using semantics tests that outlines behavioral characteristics.

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