Adaptive Power Capping for Servers with Multithreaded Workloads

Authors:
Sherief Reda;Ryan Cochran;Ayse Coskun
Affiliations:
Brown University;Brown University;Boston University
Venue:
IEEE Micro
Year:
2012

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Abstract

Power capping in computer clusters enables energy budgeting, efficient power delivery, and management of operational and cooling costs. Pack and Cap is a novel, practical methodology to select thread packing and dynamic voltage and frequency scaling (DVFS) configurations by learning multithreaded workload characteristics and adapting to dynamic-power caps. Pack and Cap improves energy efficiency and achievable range of power caps.