Proposed Multi Level Cache Models Based on Inclusion & Their Evaluation
|International Journal of Engineering Trends and Technology (IJETT)||
|© 2013 by IJETT Journal|
|Year of Publication : 2013|
|Authors : Megha Soni , Rajendra Nath|
Megha Soni , Rajendra Nath. "Proposed Multi Level Cache Models Based on Inclusion & Their Evaluation". International Journal of Engineering Trends and Technology (IJETT). V4(7):2945-2951 Jul 2013. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group.
The performance of a multi - level cache hierarchy is decided by the number of cache levels following the inclusion or mutual exclusion property. Making all the cache levels in a hierarchy to behave either as inclusive or exclusive is not much beneficial. Significant performance improvement is possible if some of the cache levels are made to follow inclusion property while others not. Different cache design models are possible under this situation. This paper presents two proposed cache design models in a three level cache hierarchy. Our first proposed cache model involves making level1 and level2 as exclusive and level3 as inclusive with both of them. In second proposed cache model, level1 and level2 are taken as inclusiv e and level3 is taken as exclusive with level2. Both the proposed cache models have been experimentally evaluated and compared on six evaluation parameters using simulator which has been implemented in PHP - 5.3. Proposed cache model 2 has been found to giv e better overall performance than proposed cache model 1.
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cache memory, inclusive, exclusive, multi - level cache.