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Deterministic execution of a multithreaded application guarantees the same output as long as the application runs with the same input parameters. Determinism helps a programmer to test and debug an application and to provide fault-tolerance in the systems based on replicas. Additionally, Transactional Memory (TM) greatly simplifies development of multithreaded applications where applications use transactions...
In this paper we introduce TagTM, a Software Transactional Memory (STM) system augmented with a new hardware mechanism that we call GTags. GTags are new hardware cache coherent tags that are used for fast meta-data access. TagTM uses GTags to reduce the cost associated with accesses to the transactional data and corresponding metadata. For the evaluation of TagTM, we use the STAMP TM benchmark suite...
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