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cpufreq-interactive-opt

optimize the interactive parameters of cpufreq driver

这是什么(What is it)

通过人工凭感觉调整interactive参数的方式,有如下问题:
Adjusting the interactive parameters by our feeling, there are the following problems:

  • 调参难以有明确的反馈(difficulties to have clear feedback)
  • 本身功耗和性能顾此失彼(hard to reach the balance of power consumption and performance)
  • 参数自由度很高互相纠缠使得难以分离主要因素(complex parameters)

本计划旨在通过如下方式,制作自动化程序,来解决上述问题:
This project aims to solve the problems above by creating automated programs as follows:

  • 现实负载采集(real world workload capture)
  • interactive调速器流程仿真(interactive governor process simulation)
  • 卡顿和耗电评分函数(cost function of lag and power comsuption)
  • 迭代取得局部最优(iteration to obtain local optimum)

项目源码(Source code)

https://github.com/yc9559/cpufreq-interactive-opt/tree/master/project/20180603-2

Credit

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