A novel dynamic power management technique for multi-core based mobile devices
- Authors
- Ahn, Youngho; Hwang, Young-Si; Chung, Ki-Seok
- Issue Date
- Nov-2008
- Publisher
- IEEE
- Citation
- 2008 International SoC Design Conference, ISOCC 2008, v.2, pp.II81 - II84
- Indexed
- SCOPUS
- Journal Title
- 2008 International SoC Design Conference, ISOCC 2008
- Volume
- 2
- Start Page
- II81
- End Page
- II84
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/171781
- DOI
- 10.1109/SOCDC.2008.4815689
- ISSN
- 0000-0000
- Abstract
- In this paper, we address a novel system-level low power management technique which is specifically targeted for an ARM 11 MPCore system. Our proposed solution is a DPM technique which includes process monitoring, real time power analysis, and policy application to reduce the power consumption while meeting the performance requirement. One of the main contributions of this paper is that we systematically infer QoS requirements of processes without getting any additional information from the application. When multiple processes are running under various userlevel policies, priorities of the policy application are determined in such a way that the overall system performance is maintained while power consumption is effectively managed. Experimental results show that our DPM technique is very effective in reducing power consumption without violating system's QoS requirements.
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