Metric and Workload Effects on Computer Systems Evaluation

Dror G. Feitelson*

*Corresponding author for this work

Research output: Contribution to specialist publicationArticle

50 Scopus citations


While a system's performance is a function of its design and implementation the workload researchers subject the system to and the metrics they use also can affect performance evaluation results. There are two main approaches to performance evaluation: Analysis involves simplifications in the interest of mathematical tractability, and simulation offers a more realistic alternative that directly uses real workload recordings. The problems the author describes appear more frequently during simulation because of its ability to directly reflect complex situations, even those the evaluator does not know about or understand.

Original languageAmerican English
Specialist publicationComputer
StatePublished - Sep 2003

Bibliographical note

Funding Information:
The Israel Science Foundation, grant no. 219/99, supported this research in part. The workload models and logs on which they are based can be obtained online from the Parallel Workloads Archive. Thanks to all those who made their data and software available.


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