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Title: Application-specific thermal management of computer systems
Keywords: Thermal Management, System Performance, Power Performance Tradeoff, Task Scheduling, Architecture Adaptation, Workload Behavior
Issue Date: 17-Sep-2009
Citation: RAMKUMAR JAYASEELAN (2009-09-17). Application-specific thermal management of computer systems. ScholarBank@NUS Repository.
Abstract: Rising power density and on-chip temperature are seen as one of the major hurdles in sustaining processor performance improvement trends. Managing on-chip temperature has become an important aspect at all levels of computer system design. In this thesis, we focus on micro-architecture and system level techniques to manage temperature. Previously proposed approaches for thermal management have revolved around developing efficient heuristics and control policies which attempt to maximize the performance of the system while maintaining temperature constraints. In contrast, we take a workload and processor configuration centric approach to temperature management. We first characterize the thermal behavior of a processor under variations in workload as well as variations in the hardware configuration. Our characterization shows that the thermal behavior of the processor is highly sensitive to workload properties and hardware con figuration. Armed with this characterization, we propose thermal management approaches that (i) alter the workload or (ii) alter the processor con figuration to manage temperature.
Appears in Collections:Ph.D Theses (Open)

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