Publikationsansicht

Implementing Cooperative Prefetching and Caching in a Globally-Managed Memory System (1998)

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...

Details der Publikation

Download	http://citeseerx.ist.psu.edu/viewdoc/summary?doi=?doi=10.1.1.44.6744
Quelle	http://www.cs.ubc.ca/~feeley/papers/sigmet98.ps
Herausgeber	ACM Press
Mitarbeiter	CiteSeerX
Archiv	CiteSeerX - Scientific Literature Digital Library and Search Engine (United States)
Typ	text
Sprache	Englisch
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