A compiler-guided approach for reducing disk power consumption by exploiting disk access locality

Seung Woo Son, Guangyu Chen, Mahmut Kandemir

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Power consumption of large servers and clusters has recently been a popular research topic, since this issue is important from both technical and environmental viewpoints. The prior research proposed disk power management as one of the important ways of reducing overall power of a large system and considered both hardware-based and softwareguided disk power reduction schemes. One of the common characteristics of the previously proposed approaches to disk power reduction is that they work with a given disk access pattern. In comparison, the goal of the approach proposed in this paper is to restructure application code using an optimizing compiler so that disk idle periods are lengthened. This in turn allows the underlying disk power management scheme to be more effective since such schemes usually prefer the long idle periods over the short ones. Our approach targets at large scientific applications that operate on disk-resident arrays using nested loops and exhibit regular data access patterns. To test the effectiveness of the proposed approach, we implemented it within an optimizing compiler and performed experiments with six data-intensive applications that manipulate disk-resident data. Our experimental analysis shows that the proposed approach is very successful in practice and reduces the total disk energy consumption on average by 18.17%, as compared to an execution without any disk power management, and by 11.55%, as compared to an execution that employs disks with low-power capabilities without our code restructuring approach.

Original languageEnglish (US)
Title of host publicationProceedings of the CGO 2006 - The 4th International Symposium on Code Generation and Optimization
Pages256-268
Number of pages13
DOIs
Publication statusPublished - Dec 1 2006
Event4th International Symposium on Code Generation and Optimization, CGO 2006 - New York, NY, United States
Duration: Mar 26 2006Mar 29 2006

Publication series

NameProceedings of the CGO 2006 - The 4th International Symposium on Code Generation and Optimization

Other

Other4th International Symposium on Code Generation and Optimization, CGO 2006
CountryUnited States
CityNew York, NY
Period3/26/063/29/06

    Fingerprint

All Science Journal Classification (ASJC) codes

  • Software

Cite this

Son, S. W., Chen, G., & Kandemir, M. (2006). A compiler-guided approach for reducing disk power consumption by exploiting disk access locality. In Proceedings of the CGO 2006 - The 4th International Symposium on Code Generation and Optimization (pp. 256-268). [1611546] (Proceedings of the CGO 2006 - The 4th International Symposium on Code Generation and Optimization). https://doi.org/10.1109/CGO.2006.2