Transactional Memory (TM) is a synchronization model for parallel programming which provides optimistic concurrency control. Transactions can run in and are only serialized case of conflict. In this article we use hardware TM (HTM) to implement an speculative barrier (SB) replace the lock-based...

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Background and Scope Parallel programming in the multicore era is a challenging task, and novel approaches are needed to ease the development of parallel applications. Transactional memory has been proposed as an alternative to the traditional lock-based approach to express and manage concurrency. During the last few years we have seen an increasing interest in programming languages, run-time s...

Researchers have proposed transactional memory as a concurrency primitive to simplify the development of multithreaded programs. In this paper we present a new approach for supporting I/O operations in the context of transactional memory. Our approach provides isolation between the file operations of different transactions while allowing multiple transactions to concurrently perform I/O. To eas...

Transactional memory is a promising technique for enforcing disciplined access to shared data in a multiprocessor system. Transactional memory simplifies the implementation of a variety of concurrent data structures. In this paper, we study the benefits of a modest, real-time aware, hardware implementation of transactional memory that we call micro-transactions. In particular, we argue that har...