TW200519573A - Method for dynamically adjusting frequency of CPU - Google Patents

Method for dynamically adjusting frequency of CPU

Info

Publication number
TW200519573A
TW200519573A TW092134149A TW92134149A TW200519573A TW 200519573 A TW200519573 A TW 200519573A TW 092134149 A TW092134149 A TW 092134149A TW 92134149 A TW92134149 A TW 92134149A TW 200519573 A TW200519573 A TW 200519573A
Authority
TW
Taiwan
Prior art keywords
cpu
dynamically adjusting
adjusting frequency
cpu usage
front side
Prior art date
Application number
TW092134149A
Other languages
English (en)
Inventor
Chih-Chuan Cheng
Ching-Bin Huang
Ming-Chieh Chien
Original Assignee
Compal Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compal Electronics Inc filed Critical Compal Electronics Inc
Priority to TW092134149A priority Critical patent/TW200519573A/zh
Priority to US10/709,508 priority patent/US7296169B2/en
Publication of TW200519573A publication Critical patent/TW200519573A/zh

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/324—Power saving characterised by the action undertaken by lowering clock frequency
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
TW092134149A 2003-12-04 2003-12-04 Method for dynamically adjusting frequency of CPU TW200519573A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW092134149A TW200519573A (en) 2003-12-04 2003-12-04 Method for dynamically adjusting frequency of CPU
US10/709,508 US7296169B2 (en) 2003-12-04 2004-05-11 Method for adjusting a front-side bus frequency based on a processor usage rate stored in a translation table and generating the translation table if it does not exist

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW092134149A TW200519573A (en) 2003-12-04 2003-12-04 Method for dynamically adjusting frequency of CPU

Publications (1)

Publication Number Publication Date
TW200519573A true TW200519573A (en) 2005-06-16

Family

ID=34632302

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092134149A TW200519573A (en) 2003-12-04 2003-12-04 Method for dynamically adjusting frequency of CPU

Country Status (2)

Country Link
US (1) US7296169B2 (zh)
TW (1) TW200519573A (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102999391A (zh) * 2012-11-21 2013-03-27 华为技术有限公司 一种调节处理器运行频率的方法和装置
CN103415823A (zh) * 2012-08-30 2013-11-27 华为终端有限公司 一种控制中央处理器的方法和装置
TWI502307B (zh) * 2010-12-21 2015-10-01 Intel Corp 用以配置微處理器中之熱設計功率的方法和裝置
US9898067B2 (en) 2010-12-21 2018-02-20 Intel Corporation Method and apparatus to configure thermal design power in a microprocessor

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Publication number Priority date Publication date Assignee Title
US7043649B2 (en) * 2002-11-20 2006-05-09 Portalplayer, Inc. System clock power management for chips with multiple processing modules
CN100412814C (zh) * 2005-04-12 2008-08-20 鸿富锦精密工业（深圳）有限公司 中央处理器超频系统及方法
TWI277858B (en) * 2005-09-29 2007-04-01 Via Tech Inc Circuit of dynamically adjusting the basic clock signal for the front-side bus and its method
US7698490B2 (en) * 2005-12-21 2010-04-13 Nvidia Corporation Passive USB power configuration switching
US20070150713A1 (en) * 2005-12-22 2007-06-28 International Business Machines Corporation Methods and arrangements to dynamically modify the number of active processors in a multi-node system
US7414550B1 (en) 2006-06-30 2008-08-19 Nvidia Corporation Methods and systems for sample rate conversion and sample clock synchronization
US9209792B1 (en) 2007-08-15 2015-12-08 Nvidia Corporation Clock selection system and method
US8327173B2 (en) * 2007-12-17 2012-12-04 Nvidia Corporation Integrated circuit device core power down independent of peripheral device operation
US9411390B2 (en) 2008-02-11 2016-08-09 Nvidia Corporation Integrated circuit device having power domains and partitions based on use case power optimization
US9423846B2 (en) 2008-04-10 2016-08-23 Nvidia Corporation Powered ring to maintain IO state independent of the core of an integrated circuit device
US8762759B2 (en) 2008-04-10 2014-06-24 Nvidia Corporation Responding to interrupts while in a reduced power state
TWI360742B (en) * 2008-10-17 2012-03-21 Kinpo Elect Inc Power management method for input device
KR101620103B1 (ko) * 2009-10-21 2016-05-13 삼성전자주식회사 멀티 코어 시스템에서 중앙 처리 장치의 전력 제어 장치 및 방법
KR101740338B1 (ko) * 2010-10-20 2017-05-26 삼성전자주식회사 디지털 시스템에서 동적 클럭 제어 장치 및 방법
US9395799B2 (en) 2012-08-09 2016-07-19 Nvidia Corporation Power management techniques for USB interfaces
US9471395B2 (en) 2012-08-23 2016-10-18 Nvidia Corporation Processor cluster migration techniques
US8947137B2 (en) 2012-09-05 2015-02-03 Nvidia Corporation Core voltage reset systems and methods with wide noise margin
CN106527654A (zh) * 2016-10-13 2017-03-22 乐视控股（北京）有限公司 终端设备的运行频率的控制方法和控制系统
CN108983942B (zh) * 2017-05-31 2021-08-17 深圳市中兴微电子技术有限公司 一种动态调频的方法及装置
US11432224B2 (en) * 2019-05-15 2022-08-30 Qualcomm Incorporated Power supply category and power status reporting in a wireless multi-hop network
KR20220084843A (ko) * 2020-12-14 2022-06-21 삼성전자주식회사 클록 신호의 주파수를 제어하는 전자 장치 및 전자 장치의 동작 방법

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100369463B1 (ko) * 2000-12-21 2003-01-24 엘지전자 주식회사 휴대용 컴퓨터에서의 호스트 버스 클럭 가변 제어방법
TW535050B (en) * 2001-01-02 2003-06-01 Winbond Electronics Corp Adjustment method and apparatus of execution efficiency for electronic device
US7000138B1 (en) * 2001-06-07 2006-02-14 Cirrus Logic, Inc Circuits and methods for power management in a processor-based system and systems using the same

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI502307B (zh) * 2010-12-21 2015-10-01 Intel Corp 用以配置微處理器中之熱設計功率的方法和裝置
TWI556081B (zh) * 2010-12-21 2016-11-01 英特爾股份有限公司 用以配置微處理器中之熱設計功率的方法和裝置
TWI582565B (zh) * 2010-12-21 2017-05-11 英特爾股份有限公司 用以配置微處理器中之熱設計功率的方法和裝置
US9898067B2 (en) 2010-12-21 2018-02-20 Intel Corporation Method and apparatus to configure thermal design power in a microprocessor
US9898066B2 (en) 2010-12-21 2018-02-20 Intel Corporation Method and apparatus to configure thermal design power in a microprocessor
CN103415823A (zh) * 2012-08-30 2013-11-27 华为终端有限公司 一种控制中央处理器的方法和装置
CN103415823B (zh) * 2012-08-30 2016-05-25 华为终端有限公司 一种控制中央处理器的方法和装置
US9405353B2 (en) 2012-08-30 2016-08-02 Huawei Device Co., Ltd. Method and apparatus for controlling central processing unit
CN102999391A (zh) * 2012-11-21 2013-03-27 华为技术有限公司 一种调节处理器运行频率的方法和装置

Also Published As

Publication number Publication date
US7296169B2 (en) 2007-11-13
US20050125705A1 (en) 2005-06-09

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