Implementing Cooperative Prefetching and Caching in a Globally-Managed Memory System (1998)
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| Venue: | In Proceedings of the Joint International Conference on Measurement and Modeling of Computer Systems |
| Citations: | 56 - 11 self |
BibTeX
@INPROCEEDINGS{Voelker98implementingcooperative,
author = {Geoffrey Voelker and Eric Anderson and Tracy Kimbrel and Michael Feeley and Jeffrey Chase and Anna Karlin and Henry Levy},
title = {Implementing Cooperative Prefetching and Caching in a Globally-Managed Memory System},
booktitle = {In Proceedings of the Joint International Conference on Measurement and Modeling of Computer Systems},
year = {1998},
pages = {33--43},
publisher = {ACM Press}
}
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Abstract
This paper presents cooperative prefetching and caching --- the use of network-wide global resources (memories, CPUs, and disks) to support prefetching and caching in the presence of hints of future demands. Cooperative prefetching and caching effectively unites disk-latency reduction techniques from three lines of research: prefetching algorithms, cluster-wide memory management, and parallel I/O. When used together, these techniques greatly increase the power of prefetching relative to a conventional (nonglobal -memory) system. We have designed and implemented PGMS, a cooperative prefetching and caching system, under the Digital Unix operating system running on a 1.28 Gb/sec Myrinetconnected cluster of DEC Alpha workstations. Our measurements and analysis show that by using available global resources, cooperative prefetching can obtain significant speedups for I/O-bound programs. For example, for a graphics rendering application, our system achieves a speedup of 4.9 over a non-prefetc...
