FRINK Linked Data Fragments server

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• W2150143212 abstract "Linked data structure (LDS) accesses are critical to the performance of many large scale applications. Techniques have been proposed to prefetch such accesses. Unfortunately, many LDS prefetching techniques 1) generate a large number of useless prefetches, thereby degrading performance and bandwidth efficiency, 2) require significant hardware or storage cost, or 3) when employed together with stream-based prefetchers, cause significant resource contention in the memory system. As a result, existing processors do not employ LDS prefetchers even though they commonly employ stream-based prefetchers. This paper proposes a low-cost hardware/software cooperative technique that enables bandwidth-efficient prefetching of linked data structures. Our solution has two new components: 1) a compiler-guided prefetch filtering mechanism that informs the hardware about which pointer addresses to prefetch, 2) a coordinated prefetcher throttling mechanism that uses run-time feedback to manage the interference between multiple prefetchers (LDS and stream-based) in a hybrid prefetching system. Evaluations show that the proposed solution improves average performance by 22.5% while decreasing memory bandwidth consumption by 25% over a baseline system that employs an effective stream prefetcher on a set of memory- and pointer-intensive applications. We compare our proposal to three different LDS/correlation prefetching techniques and find that it provides significantly better performance on both single-core and multi-core systems, while requiring less hardware cost." @default.
• W2150143212 created "2016-06-24" @default.
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• W2150143212 date "2009-02-01" @default.
• W2150143212 modified "2023-10-02" @default.
• W2150143212 title "Techniques for bandwidth-efficient prefetching of linked data structures in hybrid prefetching systems" @default.
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• W2150143212 doi "https://doi.org/10.1109/hpca.2009.4798232" @default.
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