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This paper compares three simulation methods with straightforward sampling to study the efficiency of these methods in estimating the performance of a demand-paging system model. Measures of system overhead, queuing delays, and transient response of the modeled system are related to parameters describing the processing demands of the programs load. Our results for this specific system model suggest that variance reduction from straightforward sampling techniques is obtainable by the method of antithetic variables. However, one should not necessarily expect a similar gain for all response variables in a model. With regard to variance reduction, additional gains may be obtainable by a combination of stratification and antithetics.
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