SC is the International Conference for
High Performance Computing, Networking,
Storage and Analysis

SCHEDULE: NOV 12-18, 2011

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"Hot" for Warm Water Cooling

SESSION: State of the Practice - Infra/Cooling/Mgmt

EVENT TYPE: State of the Practice

TIME: 4:00PM - 4:30PM

SESSION CHAIR: Robert A. Ballance

AUTHOR(S):Henry Coles, Michael Ellsworth, David Martinez


Liquid-cooling is key to reducing energy consumption for this generation of supercomputers and remains on the roadmap for the foreseeable future. This is because the heat capacity of liquids is orders of magnitude larger than that of air and once heat has been transferred to a liquid, it can be removed from the datacenter efficiently. The transition from air to liquid-cooling is an inflection point providing an opportunity to work collectively to set standards for facilitating the energy and cost efficiency of liquid-cooled HPC facilities and systems. The vision is to use non-chilled water, to facilitate heat re-use and to build solutions that are more energy-efficient, more carbon-neutral and more cost-effective than their air-cooled predecessors. The Energy Efficient HPC Working Group is developing guidelines for warmer liquid-cooling temperatures in order to assist with procurement specifications, to design warmer temperature cooling systems and facility cooling systems. This report describes those guidelines.

Chair/Author Details:

Robert A. Ballance (Chair) - Sandia National Laboratories

Henry Coles - Lawrence Berkeley National Laboratory

Michael Ellsworth - IBM Corporation

David Martinez - Sandia National Laboratories

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The full paper can be found in the ACM Digital Library

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