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Sixth IEEE International Symposium on Cluster Computing and the Grid Workshops (CCGRIDW'06)
Design Issues of Prefetching Strategies for Heterogeneous Software DSM
Singapore
May 16-May 19
ISBN: 0-7695-2585-7
Ssu-Hsuan Lu, Providence University, Taiwan
Chien-Lung Chou, Providence University, Taiwan
Kuang-Jui Wang, Providence University, Taiwan
Hsiao-Hsi Wang, Providence University, Taiwan
Kuan-Ching Li, Providence University, Taiwan
In Distributed Shared Memory (DSM) systems, one of the major overheads is page fault, because it induces remote memory access latencies. Prefetching strategy permits home nodes sending data to remote nodes in advance, in order to reduce page faults and latencies, as also to improve overall performance; however, it causes accumulated waiting phenomenon, waiting synchronization phenomenon, among others. In heterogeneous environments, considering the fact of different ability among computing hosts, it increases idle time and synchronization time. Therefore, the search for alternatives to reduce these overheads is important. In this paper, we propose a method that utilizes concepts of load balancing in prefetching strategy, where the goal is to reduce idle time and synchronization time. Basically, this approach distributes home pages to appropriate computing nodes and adjusts prefetching strategy?s policies into heterogeneous environments.
Index Terms:
Software DSM system, Prefetching, Load Balancing, Heterogeneous Environments.
Citation:
Ssu-Hsuan Lu, Chien-Lung Chou, Kuang-Jui Wang, Hsiao-Hsi Wang, Kuan-Ching Li, "Design Issues of Prefetching Strategies for Heterogeneous Software DSM," ccgrid, vol. 2, pp.19, Sixth IEEE International Symposium on Cluster Computing and the Grid Workshops (CCGRIDW'06), 2006
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