sponsored byIEEEACMThe International Conference for High Performance 
Computing, Networking, Storage and Analysis
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SCHEDULE: NOV 16-21, 2014

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The Roadblock Ahead – Power Usage for Storage and I/O

SESSION: The Roadblock Ahead – Power Usage for Storage and I/O


TIME: 10:30AM - 12:00PM

Panelists:Roger Ronald, John Shalf, Bill Boas, Thomas Sohmers, Ronald P. Luijten, Jim Ang



Predicted energy expenditures for traditional high-end computing systems in 2018 indicate that instruction execution will be a surprisingly small percentage (<20%) of power usage for the entire system. Energy used for memory, network, and storage accesses will contribute almost 60% of the total. As subsequent advances and scaling in computing occur, the percentage of energy needed to move and store data appears likely to grow even further.

Moving to Exascale requires innovative solutions for reducing memory and I/O power utilization.

In the past, access delays to external memory have been addressed by caching within processors. Are there equivalent options on the horizon that could address storage and I/O power usage to enable continued advances in leading-edge computing?

Moderator/Panelist Details:

Roger Ronald (Moderator) - System Fabric Works

John Shalf - Lawrence Berkeley National Laboratory

Bill Boas - Cray Inc.

Thomas Sohmers - Rex Computing

Ronald P. Luijten - IBM Corporation

Jim Ang - Sandia National Laboratories

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