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WSCLoca- A Simple and Effective Algorithm for Virtual Memory Management

By Richard W. Cart


A new virtual memory management algorithm WSCLOCK has been synthesized from the local working set (WS) algorithm, the global CLOCK algorithm, and a new load control mechanism for auxiliary memory access. The new algorithm combines the most useful feature of WS-a natural and efti:ctive load control that prevents thrashing-with the simplicity and efficiency of CLOCK. Studies are presented to show that the performance of WS and WSCLOCK are equivalent, even if the savings in overhead are ignored

Year: 2009
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