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Run-time power control scheme using software feedback loop for low-power real-time applications

机译:使用软件反馈回路的低功耗实时应用的运行时功率控制方案

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A novel hardware-software cooperative power control scheme, namely a software feedback loop, is proposed to lower power consumption of VLSI systems. The proposed runtime voltage and frequency control scheme guarantees the real-time execution of applications. It avoids interface problems and also provides "binary-code compatibility". Using a software analysis environment, the power control scheme is shown to achieve more than 90% power reduction for real-time MPEG-4 SP@L1 video encoding, taking into consideration the transition delay between voltage and frequency levels.
机译:提出了一种新颖的软硬件协同电源控制方案,即软件反馈回路,以降低VLSI系统的功耗。所提出的运行时电压和频率控制方案可保证应用程序的实时执行。它避免了接口问题,还提供了“二进制代码兼容性”。使用软件分析环境,考虑到电压和频率电平之间的转换延迟,该功率控制方案可实现实时MPEG-4 SP @ L1视频编码的90%以上的功率降低。

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