Analytical Cache Models with Applications to Cache Partitioning (2001)
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| Venue: | In the 15 th international conference on Supercomputing |
| Citations: | 47 - 8 self |
BibTeX
@INPROCEEDINGS{Suh01analyticalcache,
author = {G. Edward Suh and Srinivas Devadas and Larry Rudolph},
title = {Analytical Cache Models with Applications to Cache Partitioning},
booktitle = {In the 15 th international conference on Supercomputing},
year = {2001},
pages = {1--12}
}
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Abstract
An accurate, tractable, analytic cache model for time-shared systems is presented, which estimates the overall cache missrate of a multiprocessing system with any cache size and time quanta. The input to the model consists of the isolated miss-rate curves for each process, the time quanta for each of the executing processes, and the total cache size. The output is the overall miss-rate. Trace-driven simulations demonstrate that the estimated miss-rate is very accurate. Since the model provides a fast and accurate way to estimate the effect of context switching, it is useful for both understanding the effect of context switching on caches and optimizing cache performance for time-shared systems. A cache partitioning mechanism is also presented and is shown to improve the cache miss-rate up to 25% over the normal LRU replacement policy.
