Performance Evaluation of Concurrent Lock-Free Data Structures on GPUs

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Provided by: Indian Institute of Technology Kanpur
Topic: Hardware
Format: PDF
Graphics Processing Units (GPUs) have emerged as a strong candidate for high-performance computing. While regular data-parallel computations with little or no synchronization are easy to map on the GPU architectures, it is a challenge to scale up computations on dynamically changing pointer-linked data structures. The traditional lock-based implementations are known to offer poor scalability due to high lock contention in the presence of thousands of active threads, which is common in GPU architectures. In this paper, the authors present a performance evaluation of concurrent lock-free implementations of four popular data structures on GPUs.
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