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Decomposition analysis of influencing factors of GPU-centric supercomputing demand: LMDI-based approach

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  • Hyungwook Shim
  • Myeongju Ko
  • Minho Seo

Abstract

With the introduction of AI technology, the supercomputing industry is transitioning from CPU-centric to GPU-centric, and many countries are making efforts to build new GPU-centric resources. The purpose of this paper is to discover new factors in demand management for efficient construction and operation of future national supercomputing GPU resources. Reflecting industry characteristics, we decompose the factors affecting existing CPU use into intensity effect, structure effect, and production effect indicators targeting CPU-only resources and GPU-only resources, and compare and analyze the influence of each factor. To estimate the influence of each factor, the Logarithmic Mean Divisia Index methodology was used, and annual CPU usage data from the Republic of Korea's national supercomputing center was used. As a result of the analysis, it was confirmed that CPU resources show a similar trend every year, and that the effects of the intensity and production indicators are continuously increasing. In the case of GPU resources, all indicators had an influence in the direction of increasing demand, and it was confirmed that the information/communication field was overwhelmingly showing the greatest effect.

Suggested Citation

  • Hyungwook Shim & Myeongju Ko & Minho Seo, 2025. "Decomposition analysis of influencing factors of GPU-centric supercomputing demand: LMDI-based approach," Edelweiss Applied Science and Technology, Learning Gate, vol. 9(2), pages 208-217.
    • Handle: RePEc:ajp:edwast:v:9:y:2025:i:2:p:208-217:id:4455
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