With data centers using 10--30 times more energy per square foot than office space, data center energy use doubling every 5 years, and delayed capital investments in new power plants-energy efficiency is becoming a key design constraint for modern servers and data centers. This talk will discuss a wide variety of energy management research being performed within IBM Research, including topics such as low-power process technology, novel processor energy management features, memory power management, system-level power shifting, power-aware task placement, power-aware virtualization/consolidation, partition-level power management, energy-efficient high-performance storage, energy-efficient cooling and electrical distribution/backup technologies, and datacenter modeling and optimization. The talk will conclude with a discussion of the key challenges that remain and some important open research topics.
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