Dell PowerEdge R820 - Manual (Page 23)

Performance Analysis of HPC Applications on Several Dell PowerEdge 12 th Generation Servers
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Figure 17 plots the energy efficiency of NAMD. The PowerEdge M420 cluster performs better in this
scenario providing 5 percent better energy efficiency than the PowerEdge M620 cluster. As mentioned
in
NAMD , there were issues running NAMD on the PowerEdge R820 cluster; therefore, that data point is
missing in this graph.
NAMD performance/ Watt Figure 17.
5. Conclusion
This white paper provides a quantitative analysis of the performance and energy efficiency of three
different Intel Xeon E5 Family (Sandy Bridge) based clusters using a sample of HPC workloads. Table 4
and Table 5 summarize the performance and energy efficiency characteristics of each HPC application
on the three types of clusters. They present the results of this study in an easy to read format. The Dell
PowerEdge M620 cluster is used as the baseline for performance and energy efficiency comparisons.
Clusters of the same size, for example, with the same number of cores are used for performance
comparisons. As described in
Power consumption and energy efficiency , power and energy efficiency
measurements were conducted on clusters of different sizes. Table 5 explicitly notes the cluster size
used for power measurements for easy reading. Details of the test bed were provided in
Test bed and
applications .
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0.80
1.00
1.20
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