A new model and testing verification for evaluating the carbon efficiency of server

• Liang Guo,
• Yue Wang,
• Yixing Zhang,
• Caihong Zhou,
• Kexin Xu,
• Shaopeng Wang,

Vol. 17, No. 10, October 31, 2023
10.3837/tiis.2023.10.005, Download Paper (Free):

• data center servers
• computing power carbon efficiency
• Carbon Emission
• server performance

Abstract

To cope with the risks of climate change and promote the realization of carbon peaking and carbon neutrality, this paper first comprehensively considers the policy background, technical trends and carbon reduction paths of energy conservation and emission reduction in data center server industry. Second, we propose a computing power carbon efficiency of data center server, and constructs the carbon emission per performance of server (CEPS) model. According to the model, this paper selects the mainstream data center servers for testing. The result shows that with the improvement of server performance, the total carbon emissions are rising. However, the speed of performance improvement is faster than that of carbon emission, hence the relative carbon emission per unit computing power shows a continuous decreasing trend. Moreover, there are some differences between different products, and it is calculated that the carbon emission per unit performance is 20-60KG when the service life of the server is five years.

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