公开(公告)号：US09588578B2

公开(公告)日：2017-03-07

申请号：US14532649

申请日：2014-11-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jong-Lae Park ,  Hwang-Sub Lee ,  Hee-Myung Noh ,  Dong-Jin Kim ,  Seung-Geun Lee

IPC: G01R31/30 ,  G06F1/00 ,  G06F1/26 ,  G06F1/32

CPC classification number: G06F1/3296 ,  G06F1/324 ,  Y02D10/126 ,  Y02D10/172

Abstract: A method of changing an operating frequency for performing a dynamic voltage and frequency scaling on a central processing unit included in a system on-chip is provided. A previous maximum peak workload of the central processing unit is detected in a history period of the dynamic voltage and frequency scaling when the operating frequency of the central processing unit is determined to be increased, and an increased operating frequency is applied to the central processing unit. The increased operating frequency is calculated based on the previous maximum peak workload of the central processing unit.

Abstract translation: 提供了一种在包括在片上系统中的中央处理单元上改变用于执行动态电压和频率缩放的操作频率的方法。 当中央处理单元的工作频率被确定为增加时，在动态电压和频率缩放的历史周期中检测到中央处理单元的先前的最大峰值工作负荷，并且增加的工作频率被施加到中央处理单元 。 基于中央处理单元的先前最大峰值工作负荷来计算增加的​​工作频率。