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Sustainable Optimizing Performance and Energy Efficiency in Proof of Work Blockchain: A Multilinear Regression Approach

Author

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  • Meennapa Rukhiran

    (Faculty of Social Technology, University of Technology Tawan-ok, Chanthaburi 20110, Thailand)

  • Songwut Boonsong

    (College of Digital Innovation Technology, Rangsit University, Pathum Thani 12000, Thailand)

  • Paniti Netinant

    (College of Digital Innovation Technology, Rangsit University, Pathum Thani 12000, Thailand)

Abstract

The energy-intensive characteristics of the computations performed by graphics processing units (GPUs) in proof-of-work (PoW) blockchain technology are readily apparent. The optimization of GPU feature configuration is a complex subject that significantly impacts a system’s energy consumption and performance efficiency. The primary objectives of this study are to examine and improve the energy consumption characteristics of GPUs, which play a crucial role in the functioning of blockchains and the mining of cryptocurrencies. This study examines the complex relationship between GPU configurations and system architecture components and their effects on energy efficiency and sustainability. The methodology of this study conducts experiments involving various GPU models and mining software, evaluating their effectiveness across various configurations and environments. Multilinear regression analysis is used to study the complex relationships between critical performance indicators like power consumption, thermal dynamics, core speed, and hash rate and their effects on energy efficiency and performance. The results reveal that strategically adjusting GPU hardware, software, and configuration can preserve substantial energy while preserving computational efficiency. GPU core speed, temperature, core memory speed, ETASH algorithms, fan speed, and energy usage significantly affected the dependent computational-efficiency variable ( p = 0.000 and R 2 = 0.962) using multilinear regression analysis. GPU core speed, temperature, core memory speed, fan speed, and energy usage significantly affected efficient energy usage ( p = 0.000 and R 2 = 0.989). The contributions of this study offer practical recommendations for optimizing the feature configurations of GPUs to reduce energy consumption, mitigate the environmental impacts of blockchain operations, and contribute to the current research on performance in PoW blockchain applications.

Suggested Citation

  • Meennapa Rukhiran & Songwut Boonsong & Paniti Netinant, 2024. "Sustainable Optimizing Performance and Energy Efficiency in Proof of Work Blockchain: A Multilinear Regression Approach," Sustainability, MDPI, vol. 16(4), pages 1-38, February.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:4:p:1519-:d:1337223
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    References listed on IDEAS

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