Product Authors
The Green Grid's ITE Metrics Work Group
WP #94 IT Work Capacity v1 Metric - A Methodology
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The IT Work Capacity (ITWC) v1 Metric calculates total server work capacity in a data center to comply with the European Energy Efficiency Directive requirements. This whitepaper provides a methodology to calculate the total work capacity (Cserv) of standard CPUs in a data center using the IT work capacity metric (PerfCPU). Later versions of the ITWC will incorporate work capacity for storage and networking equipment.
This White Paper includes:
- An analysis of the error introduced by using PerfCPU values calculated using the physical core count trendline
- Lookup tables of PerfCPU values by individual CPU SKUs where TGG had CPU SKU specific SERT measurements or obtained CPU SKU specific PerfCPU values for individual CPU SKUs
- Lookup tables by core count (CPU manufacturer, technology generation) where the CPU SKU value was not available
A Searchable PerfCPU Tables by Manufacturer (in support of WP #94) is included as an Excel file in the zip file along with the White Paper.
You may also download the companion ITWC v1 Calculation Tool and User Guide or use the ITWC v1 Online Calculation Tool.
Product Keywords
work capacity
server
metrics