Analysis of database workload performance on simultaneous multithreaded processors

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Abstract

The database performance on simultaneous multithreading (SMT) processors is studied using traces of the Oracle database management system. The memory-system behavior of database systems running on-line transaction processing and decision support system workloads is characterized. It is shown that the additional data cache conflicts caused by simultaneous-multithreaded instruction scheduling can be nearly eliminated by the proper choice of software-directed policies for virtual-to-physical page mapping and per-process address offsetting. In addition, it is shown that SMT's latency tolerance is highly effective for data applications.

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Lo, J. L., Barroso, L. A., Eggers, S. J., Gharachorloo, K., Levy, H. M., & Parekh, S. S. (1998). Analysis of database workload performance on simultaneous multithreaded processors. In Conference Proceedings - Annual International Symposium on Computer Architecture, ISCA (pp. 39–50). IEEE Comp Soc. https://doi.org/10.1145/279361.279367

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