基于同步休假的三值光学计算机性能与能耗相权衡研究

A Study on the Trade-off Between Performance and Energy Consumption of a Ternary Optical Computer Based on Simultaneous Vacation

  • 摘要: 三值光学计算机(ternary optical computer, TOC)系统性能与能耗控制的权衡问题一直备受关注。为挖掘TOC在高性能计算中的潜力并满足其能耗管理需求,本研究采用系统响应时间作为衡量系统性能的指标,结合经典M/M/1与M/M/c排队模型,引入同步休假机制,提出面向系统性能与能耗的双向优化方法。围绕在系统性能与能耗之间如何取得平衡这一问题,建立了归一化目标函数,随后采用智能优化算法对目标函数进行求解,通过动态搜寻均分小光学处理器数量与休眠参数,实现了性能与能耗的双向优化。实验结果表明,通过调节均分小光学处理器数量与休眠参数,可以进一步优化系统负载配置,有效降低能耗的同时提升系统性能,从而在系统的性能与能耗之间实现动态平衡。这一研究成果为TOC系统的优化设计提供了新的思路与方法,对于推动TOC技术的实用化进程具有重要意义。

     

    Abstract: The trade-off between performance and energy consumption in ternary optical computer (TOC) systems has long been a critical concern. To unlock TOC's potential in high-performance computing while meeting energy efficiency demands, this study adopts system response time as the key performance metric. By integrating classical M/M/1 and M/M/c queuing models with a synchronized vacation mechanism, a dual-objective optimization approach for improving both system performance and energy efficiency is proposed. Focusing on how to achieve a balance between the two, a normalized objective function is established and solved using an intelligent optimization algorithm. Through dynamically searching for the optimal number of partitioned optical processors and vacation parameters, the method achieves dual optimization. Experimental results demonstrate that adjusting the processor partitioning and vacation parameters can further optimize system load distribution, effectively reduce energy consumption, and improve processing performance, thereby realizing a dynamic balance between performance and energy usage. This research provides a novel approach for TOC system optimization and offers valuable insights for advancing the practical deployment of TOC technology.

     

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