Software Transactional Memory:(软件事务性内存).pdfVIP

Software Transactional Memory:(软件事务性内存).pdf

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Software Transactional Memory:(软件事务性内存)

Software Transactional Memory Nir Shavit  Dan Touitou MIT and TelAviv University TelAviv University Abstract by constructing classes of implementations that are non blocking As we learn from the literature exibil As we learn from the literature exibili ty in cho osing syn ity in cho osing the synchronization op erations greatly sim chronization op erations greatly simplies the task of de plies the task of designing nonblo cking concurrent pro signing highly concurrent programs Unfortunately ex grams Examples are the nonblo ckin g datastructures of isting hardware is inexible and is at b est on the level Massalin and Pu which use a CompareSwap on two of a Load LinkedSto re Conditional op eration on a single words Andersons parallel path compression on lists word Building on the hardware based transactional syn which uses a sp ecial Splice op eration the counting net chronization metho dology of Herlihy and Moss we oer works of which use combination of FetchComplement software transactional memory STM a novel software and FetchInc Israeli and Rapp op orts Heap which can metho d for supp orting exible transactional programming b e implemented using a threeword CompareSwap and of synchronizatio n op erations STM is nonblo ckin g and many more Unfortunately most of the current or so on to can b e implemented on existing machines using only a b e develop ed architectures supp ort op erations on the level of Load LinkedSto re Condit

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