Improving Performance for Software MPEG Players

Authors:
Daniel F. Zucker;Michael J. Flynn;Ruby B. Lee
Affiliations:
-;-;-
Venue:
COMPCON '96 Proceedings of the 41st IEEE International Computer Conference
Year:
1996

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Abstract

In this paper, we present a technique for improving the cache memory performance for software MPEG players. We motivate this technique by first presenting a characterization of cache behavior for mpeg\_play and mpeg2play MPEG applications. We then apply two hardware-based prefetching techniques to improve the cache memory performance. Previously published work has focused on applications of prefetching towards only scientific applications. The prefetching technique presented here eliminates approximately 80% of cache misses and potentially reduces execution time by a factor of two.