HyflowCPP: A Distributed Transactional Memory Framework for C++

The authors present the first ever Distributed Transactional Memory (DTM) framework for distributed concurrency control in C++, called HyflowCPP. HyflowCPP provides distributed atomic sections, and pluggable support for policies for concurrency control, directory lookup, contention management, and networking. While there exists other DTM frameworks, they mostly target VM-based languages (e.g., Java, Scala). Additionally, HyflowCPP provides uniquely distinguishing TM features including strong atomicity, closed and open nesting, and checkpointing. Their experimental studies revealed that HyflowCPP achieves up to 6x performance improvement over state-of-the-art DTM frameworks.

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