A flexible framework for implementing software transactional memory

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A flexible framework for implementing software transactional memory (2006)

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by Maurice Herlihy , Victor Luchangco , Mark Moir

Venue:	In ACM Conference on Object-Oriented Programming, Systems, Languages, and Applications
Citations:	129 - 5 self

BibTeX

@INPROCEEDINGS{Herlihy06aflexible,
    author = {Maurice Herlihy and Victor Luchangco and Mark Moir},
    title = {A flexible framework for implementing software transactional memory},
    booktitle = {In ACM Conference on Object-Oriented Programming, Systems, Languages, and Applications},
    year = {2006}
}

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Abstract

We describe DSTM2, a Java TM software library that provides a flexible framework for implementing object-based software transactional memory (STM). The library uses transactional factories to transform sequential (unsynchronized) classes into atomic (transactionally synchronized) ones, providing a substantial improvement over the awkward programming interface of our previous DSTM library. Furthermore, researchers can experiment with alternative STM mechanisms by providing their own factories. We demonstrate this flexibility by presenting two factories: one that uses essentially the same mechanisms as the original DSTM (with some enhancements), and another that uses a completely different approach. Because DSTM2 is packaged as a Java library, a wide range of programmers can easily try it out, and the community can begin to gain experience with transactional programming. Furthermore, researchers will be able to use the body of transactional programs that arises from this community experience to test and evaluate different STM mechanisms simply by supplying new transactional factories. We believe that this flexible approach will help to build consensus about the best ways to implement transactions, and will avoid the premature “lock-in ” that may arise if STM mechanisms are baked into compilers before such experimentation is done.

Keyphrases

flexible framework software transactional memory stm mechanism object-based software transactional memory java library library us transactional factory community experience awkward programming interface different approach java tm software library alternative stm mechanism different stm mechanism wide range flexible approach previous dstm library original dstm new transactional factory substantial improvement premature lock-in transactional program transactional programming

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