Data Centers

SIP: Speculative Insertion Policy for High Performance Caching

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Executive Summary

High performance cache mechanisms have a great impact on overall performance of computer systems by reducing memory-access latency. Least-Recently Used (LRU) mechanism can achieve good performance in small workload; however, it suffers from thrashing caused by memory-intensive application. To address this challenge, dynamic insertion policy-DIP, which dynamically switches between LRU and an alternative policy, has recently been proposed. The algorithm, however, applies either one of the two policies to the entire cache based on the total number of misses.

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