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    • 1. 发明授权
    • Computer system and power management method thereof
    • 计算机系统及其电源管理方法
    • US09280196B2
    • 2016-03-08
    • US13955391
    • 2013-07-31
    • Quanta Computer Inc.
    • Chun-Jie YuYu-Hui ChenSheng-Wen WuMing-Tsung Ho
    • G06F1/32G06F1/00G06F1/26
    • G06F1/3206G06F1/26G06F1/324Y02D10/126
    • A power management method for a computer system is provided. The power management method includes: obtaining a system power consumption; determining whether the system power consumption is greater than a first safe operating point; when the system power consumption is greater than the first safe operating point, controlling a CPU and a graphics processing unit (GPU) to activate a frequency reduction mechanism according to a first adjustment sequence; when the system power consumption is not greater than the first safe operating point, determining whether the system power consumption is smaller than a second safe operating point; and when the system power consumption is smaller than the second safe operating point, controlling the CPU and the GPU to deactivate the frequency reduction mechanism according to a second adjustment sequence. The second adjustment sequence is reverse to the first adjustment sequence.
    • 提供了一种用于计算机系统的电源管理方法。 电源管理方法包括:获取系统功耗; 确定系统功率消耗是否大于第一安全工作点; 当系统功耗大于第一安全工作点时,控制CPU和图形处理单元(GPU)根据第一调整顺序激活频率降低机构; 当系统功耗不大于第一安全工作点时,确定系统功耗是否小于第二安全工作点; 并且当所述系统功耗小于所述第二安全工作点时,根据第二调整顺序控制所述CPU和所述GPU停用所述减频机构。 第二调整顺序与第一调整顺序相反。