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Servers consume vast amounts of energy while operational and generate substantial carbon emissions from manufacturing.
Backward compatibility unlocks reuse
The foundation of GreenSKUs lies in leveraging backward compatibility.
Currently, cloud operations consume around 3% of global energy annually.
However, repurposing older components isnt without challenges.
The reused RAM modules introduced latency and reduced memory bandwidth, which researchers overcame with memory pooling techniques.
Similarly, lower read/write speeds in SSDs were addressed using RAID striping.
However, not all limitations had workarounds.
For example, AMD Bergamo processors, while energy-efficient, had reduced cache performance.
Researchers incorporated such tradeoffs into their broader framework to ensure each server configuration could still meet Azure requirements.
ViaIEEE Spectrum
