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Power management of web server clusters have become a critical design issue because of its increasing power consumption and cooling cost. Current web server clusters are normally designed to have a performance capacity to handle peak loads, where all servers are fully utilized (turned on and running at maximum frequency). But in practice, peak load conditions rarely or never happen and most of the...
This paper presents a novel power reduction method for chip multi-processors (CMPs) under real-time constraints. While the power consumption of processing units (PUs) on CMPs can be reduced without violating real-time constraints by dynamic voltage and frequency scaling (DVFS), the clock frequency of each PU cannot be determined independently because of the performance impact caused by the conflict...
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