基于动态电压频率调整的多核处理器功耗分析预测研究  

Power Analysis and Prediction of Multi Core Processor Based on Dvfs

作　　者：何子兰 武利会 罗春风 严司玮 陈道品 HE Zi-lan;WU Li-hui;LUO Chun-feng;YAN Si-wei;CHEN Dao-pin(Foshan Power Supply Bureau of Guangdong Power Grid Co.,Ltd.,Foshan 528000 China)

机构地区：[1]广东电网有限责任公司佛山供电局,广东佛山528000

出　　处：《自动化技术与应用》2023年第9期139-142,共4页Techniques of Automation and Applications

基　　金：广东电网有限责任公司科技项目(GDKJXM20185496)。

摘　　要：针对多核处理器功耗问题,提出一种基于动态电压频率调整(Dynamic Voltage and Frequency Scaling,DVFS)的多核处理器芯片功能预测模型。在多核处理器中,将预测模型分为两个部分,一是建立以温度为基础的空闲功耗估算模型,二是建立以性能计算器为基础的动态功耗估算模型。最后,通过实验观察,并两个模型与LL--MAB融合,实现对商用处理器功耗的预测。结果表明模型在跨越VF等级下得到的误差精度最低,说明功耗模型可行。Aiming at the problem of power consumption of multi-core processor,a function prediction model of multi-core processor chip based on dvfs is proposed.In multi-core processor,idle power estimation model based on temperature and dynamic power estimation model based on performance calculator are established.Finally,through the experimental observation and the fusion of the two models with LL--MAB,the power consumption prediction of commercial processors is realized.The results show that the comprehensive power consumption prediction model constructed in this study has the lowest error accuracy across VF level,which indicates that the power consumption model is feasible.

关 键 词：DVFS技术 多核处理器 功耗预测 LL-MAB 

分 类 号：TP18[自动化与计算机技术—控制理论与控制工程]