Resolving Semantic Conflicts in Word Based Software Transactional Memory

Sharp, Craig; Blewitt, William; Morgan, Graham

doi:10.1007/978-3-319-09873-9_39

Cited by 3 publications

(2 citation statements)

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“…We believe there exists much scope for expanding our approach. In the shortterm we would like to enhance our Contention Management Policy to accommodate dynamic priorities and application semantics (this has been shown to provide substantial performance improvements [17,18]). In the long-term we would like to experiment with combining the GPU and the CPU within a heterogeneous transaction manager.…”

Section: Discussionmentioning

confidence: 99%

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PR-STM: Priority Rule Based Software Transactions for the GPU

Shen

Sharp

Blewitt

et al. 2015

Lecture Notes in Computer Science

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In this paper we describe an implementation of a software transactional memory library for the GPU written in CUDA. We describe the implementation of our transaction mechanism which features both tentative and regular locking along with a contention management policy based on a simple, yet effective, static priority rule called Priority Rule Software Transactional Memory (PR-STM ). We demonstrate competitive performance results in comparison with existing STMs for both the GPU and CPU. While GPU comparisons have been studied, to the best of our knowledge we are the first to provide results comparing GPU based STMs with a CPU based STM.

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Section: Discussionmentioning

confidence: 99%

“…If the data is not locked the thread checks if the data is already in its local write set (line 14) and overwrites it. If the data has not been previously written the thread creates a new write set entry (lines [15][16][17][18].…”

Section: Stm Operationsmentioning

confidence: 99%