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Whitepaper: Intel Data Center Manager Reduces Consumption, Satisfying Social Demands for Energy Conservation

Wed 19 Sep 2018

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Intel DCM monitors and controls power and temperature in real time at Kyoto University’s HPC environment, achieving a 5-8% reduction in power consumption through allocation to nodes with high power efficiency.

 The Kyoto University Academic Center for Computing and Media Studies (ACCMS) introduced Intel® DCM in its High Performance Computing (HPC) environment to monitor and control power and temperature in real time. Because usage charges for the HPC system include electricity fees, there has also been a social demand for improved power efficiency rates and reduced cost.

Although ACCMS had been measuring power performance at the level of individual racks and nodes in previous environments, IT administrators installed Intel® DCM to monitor individual servers in more detail.

Using Intel® DCM, ACCMS IT staff was able to confirm that there were variations in power consumption caused by individual differences in CPUs with the same specifications, and that there were some with high power efficiency and some with low power efficiency.

With the low performance CPUs, the hotter they become, the more power they consume. Improving power efficiency requires accurate monitoring, and using Intel® DCM, IT administrators determined that allocating jobs from nodes with high power performance would reduce power consumption.

When compared to cases in which jobs were allocated from nodes with the worst power efficiency, Intel® DCM indicated there was a 5-8% reduction in power consumption at a 70% node usage rate — an enormous energy savings for supercomputer centers with high annual electricity charges.

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