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Computational Chemistry Benchmarks - Nvidia

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Energy Expended (kJ)<br />

K20 - Greener: Twice The Science Per Watt<br />

1200000<br />

1000000<br />

800000<br />

Energy Used in Simulating 1 Nanosecond of ApoA1<br />

Lower is better<br />

Running NAMD version 2.9<br />

Each blue node contains Dual E5-2687W<br />

CPUs (95W, 4 Cores per CPU).<br />

Each green node contains 2x Intel Xeon X5550<br />

CPUs (95W, 4 Cores per CPU) and 2x NVIDIA<br />

K20 GPUs (225W per GPU)<br />

600000<br />

400000<br />

Energy Expended<br />

= Power x Time<br />

200000<br />

0<br />

1 Node 1 Node + 2x K20<br />

Cut down energy usage by ½ with GPUs<br />

36<br />

NAMD Benchmark Report, Revision 2.0, dated Nov. 5, 2012

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