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The Application of Skewed-Associative Memories to Cache Only Memory Architectures

Henk L. Muller, Paul W. A. Stallard, David H. D. Warren, The Application of Skewed-Associative Memories to Cache Only Memory Architectures. Proceedings of the 1995 International Conference on Parallel Processing, ICPP'95, Volume I . ISBN 0-8493-2615-X, pp. 150–154. August 1995. PDF, 53 Kbytes.

Abstract

Skewed-associative caches use several hash functions to reduce collisions in caches without increasing the associativity. This technique can increase the hit ratio of a cache without significantly increasing the cost. In this paper we apply skewing to solve a problem particular to virtual shared memory architectures that are designed using only associative memories. When using ordinary set-associative memories the replication of data amongst many nodes leads to a reduced storage capacity in a specific set. Using skewing can alleviate this problem. Our results show improvement in the majority of cases.

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