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A Stateless, Content-directed Data Prefetching Mechanism by Robert Cooksey; Stephan Jourdan; Dirk Grunwald is a Computer Science article available to read on EtoBox.

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Although central processor speeds continues to improve, improvements in overall system performance are increasingly hampered by memory latency, especially for pointer-intensive applications. To counter this loss of performance, numerous data and instruction prefetch mechanisms have been proposed. Recently, several proposals have posited a __memory-side__ prefetcher; typically, these prefetchers involve a distinct processor that executes a program slice that would effectively prefetch data needed by the primary program. Alternative designs embody large state tables that learn the miss reference behavior of the processor and attempt to prefetch likely misses.This paper proposes __Content-Directed Data Prefetching,__ a data prefetching architecture that exploits the memory allocation used by operating systems and runtime systems to improve the performance of pointer-intensive applications constructed using modern language systems. This technique is modeled after conservative garbage collection, and prefetches "likely" virtual addresses observed in memory references. This prefetching mechanism uses the underlying data of the application, and provides an 11.3% speedup using __no additio

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Author

Robert Cooksey; Stephan Jourdan; Dirk Grunwald

Publisher

ACM

Published

2002

Language

EN

Field

Computer Science (Physical Sciences)