Abstract
In the present universal scenario where the dependence on heterogeneous multi-core processors is tremendous, dealing with algorithms focusing on coherence between shared caches is imperative. WARP redesigns the replacement policy in the last level cache. In this policy, the shared (clean) lines and the private exclusive line are given the first two priorities dynamically followed by private modified and shared lines. By this method a set of victims are presented over which any replacement policy can be chosen to select a viable victim. Implementing the same, a significant performance improvement is observed with the last level shared cache. This performance improvement was solely from the policy implemented on the last level cache and not from any other parameters. General Terms Computer Architecture, High Performance Computing.
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