A Scalable, Portable, and Memory-Efficient Lock-Free FIFO ...
ウェブA Scalable, Portable, and Memory-Efficient Lock-Free FIFO Queue. Publications. wCQ: A Fast Wait-Free Queue with Bounded Memory Usage. In Proceedings of the 34th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA'22). …
A Scalable, Portable, and Memory-Efficient Lock-Free FIFO ...
ウェブ2019年8月13日 · We use FAA (fetch-and-add), a specialized and more scalable than CAS (compare-and-set) instruction, on the most contended hot spots of the algorithm. However, unlike prior attempts with FAA, our queue is both lock-free and linearizable. We propose a general approach, SCQ, for bounded queues.
A Scalable, Portable, and Memory-Efficient Lock-Free FIFO ...
ウェブHowever, unlike prior attempts with FAA, our queue is both lock-free and linearizable. We propose a general approach, SCQ, for bounded queues. This approach can easily be extended to support unbounded FIFO queues which can store an arbitrary number of …
wCQ: A Fast Wait-Free Queue with Bounded Memory Usage
ウェブA Scalable, Portable, and Memory-Efficient Lock-Free FIFO Queue. In Proceedings of the 33rd International Symposium on DIStributed Computing (DISC'19). Budapest, Hungary. Paper. Source code license. Copyright (c) 2019, 2021 Ruslan Nikolaev. All Rights Reserved. The SCQ/SCQD/SCQ2/NCQ/wCQ code is dual-licensed under 2-Clause …
ウェブUnfortunately, both LCRQ and SCQ are only lock-free. On the other hand, existing wait-free queues are either not very perfor- mant or suffer from potentially unbounded memory usage. Strictly described, the latter queues, such as Yang & Mellor-Crummey’s (YMC) queue, forfeit wait-freedom as they are blocking when mem- ory is exhausted.
A Scalable, Portable, and Memory-Efficient Lock-Free FIFO ...
ウェブ2019年10月8日 · Abstract. We present a new lock-free multiple-producer and multiple-consumer (MPMC) FIFO queue design which is scalable and, unlike existing high-performant queues, very memory efficient. Moreover, the design is ABA safe and does not require any external memory allocators or safe memory reclamation techniques, …
wCQ: A Fast Wait-Free Queue with Bounded Memory Usage
ウェブUnfortunately, both LCRQ and SCQ are only lock-free. On the other hand, existing wait-free queues are either not very performant or suffer from potentially unbounded memory usage. Strictly described, the latter queues, such as Yang & Mellor-Crummey's (YMC) queue, forfeit wait-freedom as they are blocking when memory is exhausted.
A Scalable, Portable, and Memory-Efficient Lock-Free FIFO ...
ウェブUnlike prior attempts to build scalable queues with FAA such as CRQ, our queue is both lock-free and linearizable. SCQ prevents livelocks directly in the ring buffer itself without trying to work around the problem by allocating
ウェブWe use FAA (fetch-and-add), a specialized and more scalable than CAS (compare-and-set) instruction, on the most contended hot spots of the algorithm. However, unlike prior attempts with FAA, our queue is both lock-free and linearizable. We propose a general approach, SCQ, for bounded queues.
ウェブAbstract. The use of efficient synchronization mechanisms is crucial for implementing fine grained parallel programs on modern shared cache multi-core architectures. In this paper we study this problem by considering Single-Producer/Single-Consumer (SPSC) coordination using unbounded queues.
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