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A Modified Working Set Paging Algorithm

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1 Author(s)
Smith, A.J. ; Computer Science Division, Department of Electrical Engineering and Computer Sciences, University of California

The working set paging algorithm is known to be highly efficient, yet has the disadvantage that during changes of locality large numbers of pages are accumulated in memory Unnecessarily. The author proposes a modification of the working set algorithm called the damped working set(DWS)algorithm which resists sudden expansion of working set size and exhibits far greater stability in the number of page frames-allocated to an active process. Program address traces are analyzed to determine the effectiveness of the DWS algorithm.

Published in:

Computers, IEEE Transactions on  (Volume:C-25 ,  Issue: 9 )