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In this paper, we propose a multitier approach for significantly lowering the cooling costs associated with fan subsystems without compromising the system performance. Our technique manages the fan speed by intelligently allocating the workload at the core level as well as at the CPU socket level. At the core level we propose a proactive dynamic thermal management scheme. We introduce a new predictor that utilizes the band-limited property of the temperature frequency spectrum. A big advantagedoi:10.1109/tcad.2011.2153852 fatcat:xelp5k7vkbeunhvah2meu6jype