Dynamic power management with power network-on-chip
Dynamic power management with power network-on-chip
复制标题
通过片上电源网络进行动态电源管理
DOI：
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发表时间：
2014
期刊：
影响因子：
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通讯作者：
E. Friedman
中科院分区：
文献类型：
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作者：
Inna Vaisband;E. Friedman
多功能异构片上系统面临的一个关键挑战是提供高质量的动态控制电源，以支持高能效和便携式系统。有效地提供多个负载点片上电压需要对电源传输和管理过程进行根本性改变。本文介绍了片上电源网络（PNoC）的概念，它是一个通用的可扩展平台，用于传输和管理电源。该网络提供增强的功率控制和资源共享的实时管理，用于异构集成电路中的功率输送过程的系统化和可扩展的管理。为了评估所提出的功率传输和管理系统的性能，研究了具有四个功率路由器的PNoC，其向四个功率域供电。使用IBM电网基准对各个电源域的行为进行建模。所提出的架构和电路的检测，路由和动态控制的片上电源进行了说明。利用PNoC的内置模块化来应用动态电压缩放，说明了PNoC平台的可扩展性，同时表现出高达32%的功耗节省。
A critical challenge in multifunctional heterogeneous systems-on-chip is delivering high quality dynamically controlled power to support power efficient and portable systems. Efficiently providing multiple point-of-load on-chip voltages requires fundamental changes to the power delivery and management process. The concept of a power network on-chip (PNoC) is introduced here as a general scalable platform for delivering and managing power. This network provides enhanced power control and real-time management of resource sharing for systematic and scalable management of the power delivery process in heterogeneous integrated circuits. To evaluate the performance of the proposed power delivery and management system, a PNoC with four power routers is investigated which supplies power to four power domains. The behavior of the individual power domains is modeled with IBM power grid benchmarks. The proposed architecture and circuits for sensing, routing, and dynamic control of the on-chip power are described. The built-in modularity of the PNoC is exploited to apply dynamic voltage scaling, illustrating the scalability of the PNoC platform while exhibiting power savings of up to 32%.