WO2002046894A3 - Processor idle state - Google Patents

Processor idle state Download PDF

Info

Publication number
WO2002046894A3
WO2002046894A3 PCT/US2001/043412 US0143412W WO0246894A3 WO 2002046894 A3 WO2002046894 A3 WO 2002046894A3 US 0143412 W US0143412 W US 0143412W WO 0246894 A3 WO0246894 A3 WO 0246894A3
Authority
WO
WIPO (PCT)
Prior art keywords
idle state
processor idle
processor
state
returning
Prior art date
Application number
PCT/US2001/043412
Other languages
French (fr)
Other versions
WO2002046894A2 (en
Inventor
Charles P Roth
Ravi P Singh
Thomas Tomazin
David B Witt
Ravi Kolagotla
Juan G Revilla
Original Assignee
Intel Corp
Analog Devices 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 Intel Corp, Analog Devices Inc filed Critical Intel Corp
Priority to KR10-2003-7006267A priority Critical patent/KR100500227B1/en
Priority to JP2002548560A priority patent/JP4488676B2/en
Publication of WO2002046894A2 publication Critical patent/WO2002046894A2/en
Publication of WO2002046894A3 publication Critical patent/WO2002046894A3/en

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
    • G06F1/3237—Power saving characterised by the action undertaken by disabling clock generation or distribution
    • 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
    • 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
    • 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
    • G06F1/3296—Power saving characterised by the action undertaken by lowering the supply or operating voltage
    • 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

Abstract

In one embodiment, a method is described herein for placing a programmable processor in a low-power idle state and returning the processor to an active state.
PCT/US2001/043412 2000-11-13 2001-11-13 Processor idle state WO2002046894A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR10-2003-7006267A KR100500227B1 (en) 2000-11-13 2001-11-13 Processor idle state
JP2002548560A JP4488676B2 (en) 2000-11-13 2001-11-13 Processor idle state

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71149600A 2000-11-13 2000-11-13
US09/711,496 2000-11-13

Publications (2)

Publication Number Publication Date
WO2002046894A2 WO2002046894A2 (en) 2002-06-13
WO2002046894A3 true WO2002046894A3 (en) 2003-08-21

Family

ID=24858319

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/043412 WO2002046894A2 (en) 2000-11-13 2001-11-13 Processor idle state

Country Status (5)

Country Link
JP (1) JP4488676B2 (en)
KR (1) KR100500227B1 (en)
CN (1) CN100476693C (en)
TW (1) TWI282918B (en)
WO (1) WO2002046894A2 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7174472B2 (en) * 2003-05-20 2007-02-06 Arm Limited Low overhead integrated circuit power down and restart
US7930572B2 (en) * 2003-12-24 2011-04-19 Texas Instruments Incorporated Method and apparatus for reducing memory current leakage a mobile device
EP1600845A1 (en) * 2004-05-28 2005-11-30 STMicroelectronics Limited Processor with power saving circuitry
KR100656353B1 (en) * 2005-07-12 2006-12-11 한국전자통신연구원 Method for reducing memory power consumption
US20070214389A1 (en) * 2006-03-08 2007-09-13 Severson Matthew L JTAG power collapse debug
US7882380B2 (en) * 2006-04-20 2011-02-01 Nvidia Corporation Work based clock management for display sub-system
US20100332877A1 (en) * 2009-06-30 2010-12-30 Yarch Mark A Method and apparatus for reducing power consumption
US8732379B2 (en) * 2010-10-29 2014-05-20 Texas Instruments Incorporated Adapting legacy/third party IPs to advanced power management protocol
US9075652B2 (en) * 2010-12-20 2015-07-07 Microsoft Technology Licensing, Llc Idle time service
JP5318139B2 (en) * 2011-03-24 2013-10-16 株式会社東芝 Control device and program
WO2014055957A1 (en) 2012-10-04 2014-04-10 Apple Inc. Methods and apparatus for reducing power consumption within embedded systems
US9372526B2 (en) * 2012-12-21 2016-06-21 Intel Corporation Managing a power state of a processor
CN115525137A (en) * 2022-11-23 2022-12-27 紫光同芯微电子有限公司 Data coprocessing method and system, storage medium and electronic equipment

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5551033A (en) * 1991-05-17 1996-08-27 Zenith Data Systems Corporation Apparatus for maintaining one interrupt mask register in conformity with another in a manner invisible to an executing program
US5721937A (en) * 1994-01-10 1998-02-24 Sun Microsystems, Inc. Method and apparatus for reducing power consumption in a computer system by placing the CPU in a low power mode
US5887129A (en) * 1996-10-08 1999-03-23 Advanced Risc Machines Limited Asynchronous data processing apparatus
US5983339A (en) * 1995-08-21 1999-11-09 International Business Machines Corporation Power down system and method for pipelined logic functions
US5987614A (en) * 1997-06-17 1999-11-16 Vadem Distributed power management system and method for computer
US6088807A (en) * 1992-03-27 2000-07-11 National Semiconductor Corporation Computer system with low power mode invoked by halt instruction
WO2000070433A1 (en) * 1999-05-18 2000-11-23 Koninklijke Philips Electronics N.V. A system and a method to reduce power consumption

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5551033A (en) * 1991-05-17 1996-08-27 Zenith Data Systems Corporation Apparatus for maintaining one interrupt mask register in conformity with another in a manner invisible to an executing program
US6088807A (en) * 1992-03-27 2000-07-11 National Semiconductor Corporation Computer system with low power mode invoked by halt instruction
US5721937A (en) * 1994-01-10 1998-02-24 Sun Microsystems, Inc. Method and apparatus for reducing power consumption in a computer system by placing the CPU in a low power mode
US5983339A (en) * 1995-08-21 1999-11-09 International Business Machines Corporation Power down system and method for pipelined logic functions
US5887129A (en) * 1996-10-08 1999-03-23 Advanced Risc Machines Limited Asynchronous data processing apparatus
US5987614A (en) * 1997-06-17 1999-11-16 Vadem Distributed power management system and method for computer
WO2000070433A1 (en) * 1999-05-18 2000-11-23 Koninklijke Philips Electronics N.V. A system and a method to reduce power consumption

Also Published As

Publication number Publication date
CN100476693C (en) 2009-04-08
KR100500227B1 (en) 2005-07-11
WO2002046894A2 (en) 2002-06-13
JP2004515853A (en) 2004-05-27
KR20040011428A (en) 2004-02-05
TWI282918B (en) 2007-06-21
JP4488676B2 (en) 2010-06-23
CN1656435A (en) 2005-08-17

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