WO2000020955A1 - Method for power conservation without performance reduction - Google Patents
Method for power conservation without performance reduction Download PDFInfo
- Publication number
- WO2000020955A1 WO2000020955A1 PCT/US1999/018173 US9918173W WO0020955A1 WO 2000020955 A1 WO2000020955 A1 WO 2000020955A1 US 9918173 W US9918173 W US 9918173W WO 0020955 A1 WO0020955 A1 WO 0020955A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- intensive
- memory
- computer system
- computer
- wait states
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Sources (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU57730/99A AU5773099A (en) | 1998-10-01 | 1999-08-11 | Method for power conservation without performance reduction |
DE69905180T DE69905180T2 (en) | 1998-10-01 | 1999-08-11 | METHOD FOR ENERGY SAVING WITHOUT PERFORMANCE REDUCTION |
JP2000575015A JP2002526854A (en) | 1998-10-01 | 1999-08-11 | How to save power without sacrificing performance |
EP99945032A EP1116089B1 (en) | 1998-10-01 | 1999-08-11 | Method for power conservation without performance reduction |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/164,762 | 1998-10-01 | ||
US09/164,762 US6378081B1 (en) | 1998-10-01 | 1998-10-01 | Power conservation without performance reduction in a power-managed system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000020955A1 true WO2000020955A1 (en) | 2000-04-13 |
Family
ID=22595993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/018173 WO2000020955A1 (en) | 1998-10-01 | 1999-08-11 | Method for power conservation without performance reduction |
Country Status (6)
Country | Link |
---|---|
US (1) | US6378081B1 (en) |
EP (1) | EP1116089B1 (en) |
JP (1) | JP2002526854A (en) |
AU (1) | AU5773099A (en) |
DE (1) | DE69905180T2 (en) |
WO (1) | WO2000020955A1 (en) |
Cited By (6)
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EP1553496A1 (en) * | 2002-10-18 | 2005-07-13 | Sony Corporation | Information processing device using variable operation frequency |
JP2005527875A (en) * | 2001-09-28 | 2005-09-15 | インテル コーポレイション | Method and apparatus for monitoring processing performance |
EP1496424A3 (en) * | 2003-07-08 | 2006-11-29 | Toshiba Corporation | Controller for information processing apparatus |
EP1557743A3 (en) * | 2004-01-26 | 2006-11-29 | Kabushiki Kaisha Toshiba | Dynamic voltage controller |
GB2459968A (en) * | 2008-05-16 | 2009-11-18 | Intel Corp | Using the number of times a processor has to wait for a response to determine an efficiency metric and an operational characteristic for the processor |
US7669071B2 (en) | 2006-05-05 | 2010-02-23 | Dell Products L.P. | Power allocation management in an information handling system |
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JP4123640B2 (en) * | 1999-06-16 | 2008-07-23 | ソニー株式会社 | Information processing system and control method thereof, task allocation control method and control apparatus, and program providing medium |
US7100061B2 (en) * | 2000-01-18 | 2006-08-29 | Transmeta Corporation | Adaptive power control |
US6633987B2 (en) * | 2000-03-24 | 2003-10-14 | Intel Corporation | Method and apparatus to implement the ACPI(advanced configuration and power interface) C3 state in a RDRAM based system |
US6968469B1 (en) | 2000-06-16 | 2005-11-22 | Transmeta Corporation | System and method for preserving internal processor context when the processor is powered down and restoring the internal processor context when processor is restored |
JP2002091905A (en) * | 2000-09-20 | 2002-03-29 | Mitsubishi Electric Corp | Semiconductor device and computer readable recording medium recorded with access weight number change program |
US7260731B1 (en) | 2000-10-23 | 2007-08-21 | Transmeta Corporation | Saving power when in or transitioning to a static mode of a processor |
US7941675B2 (en) | 2002-12-31 | 2011-05-10 | Burr James B | Adaptive power control |
US7336090B1 (en) | 2002-04-16 | 2008-02-26 | Transmeta Corporation | Frequency specific closed loop feedback control of integrated circuits |
US7112978B1 (en) | 2002-04-16 | 2006-09-26 | Transmeta Corporation | Frequency specific closed loop feedback control of integrated circuits |
US7949864B1 (en) | 2002-12-31 | 2011-05-24 | Vjekoslav Svilan | Balanced adaptive body bias control |
US7228242B2 (en) | 2002-12-31 | 2007-06-05 | Transmeta Corporation | Adaptive power control based on pre package characterization of integrated circuits |
US7786756B1 (en) | 2002-12-31 | 2010-08-31 | Vjekoslav Svilan | Method and system for latchup suppression |
US7205758B1 (en) * | 2004-02-02 | 2007-04-17 | Transmeta Corporation | Systems and methods for adjusting threshold voltage |
US7953990B2 (en) * | 2002-12-31 | 2011-05-31 | Stewart Thomas E | Adaptive power control based on post package characterization of integrated circuits |
US7642835B1 (en) * | 2003-11-12 | 2010-01-05 | Robert Fu | System for substrate potential regulation during power-up in integrated circuits |
US7692477B1 (en) * | 2003-12-23 | 2010-04-06 | Tien-Min Chen | Precise control component for a substrate potential regulation circuit |
US7649402B1 (en) | 2003-12-23 | 2010-01-19 | Tien-Min Chen | Feedback-controlled body-bias voltage source |
US7129771B1 (en) | 2003-12-23 | 2006-10-31 | Transmeta Corporation | Servo loop for well bias voltage source |
US7012461B1 (en) | 2003-12-23 | 2006-03-14 | Transmeta Corporation | Stabilization component for a substrate potential regulation circuit |
JP2005196430A (en) * | 2004-01-07 | 2005-07-21 | Hiroshi Nakamura | Semiconductor device and method for controlling source voltage/clock frequency thereof |
US7859062B1 (en) * | 2004-02-02 | 2010-12-28 | Koniaris Kleanthes G | Systems and methods for integrated circuits comprising multiple body biasing domains |
US7816742B1 (en) | 2004-09-30 | 2010-10-19 | Koniaris Kleanthes G | Systems and methods for integrated circuits comprising multiple body biasing domains |
US7774625B1 (en) | 2004-06-22 | 2010-08-10 | Eric Chien-Li Sheng | Adaptive voltage control by accessing information stored within and specific to a microprocessor |
US7562233B1 (en) | 2004-06-22 | 2009-07-14 | Transmeta Corporation | Adaptive control of operating and body bias voltages |
US8078901B1 (en) | 2008-06-16 | 2011-12-13 | Western Digital Technologies, Inc. | Method for increasing a processor operating frequency when other subsystem demands are low |
US9082419B1 (en) | 2009-06-08 | 2015-07-14 | Western Digitial Technologies, Inc. | Disk drive configuring power mode of disk drive relative to servo gate |
GB201008785D0 (en) | 2009-12-18 | 2010-07-14 | Univ Gent | A counter architecture for online dvfs profitability estimation |
JP5794010B2 (en) * | 2011-07-19 | 2015-10-14 | 富士通株式会社 | Information processing apparatus, control program, and control method |
CN103246340A (en) * | 2012-02-06 | 2013-08-14 | 索尼公司 | Device and method for dynamically adjusting frequency of central processing unit |
WO2015143657A1 (en) * | 2014-03-27 | 2015-10-01 | Intel Corporation | Methods and apparatus to support dynamic adjustment of graphics processing unit frequency |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0451661A2 (en) * | 1990-03-30 | 1991-10-16 | Matsushita Electric Industrial Co., Ltd. | Low power consumption microprocessor |
US5617574A (en) * | 1989-05-04 | 1997-04-01 | Texas Instruments Incorporated | Devices, systems and methods for conditional instructions |
US5623647A (en) * | 1995-03-07 | 1997-04-22 | Intel Corporation | Application specific clock throttling |
Family Cites Families (16)
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US5483659A (en) | 1987-09-14 | 1996-01-09 | Yamamura; Kimio | Apparatus for controlling a signal processing system to operate in high and low speed modes |
US5222239A (en) | 1989-07-28 | 1993-06-22 | Prof. Michael H. Davis | Process and apparatus for reducing power usage microprocessor devices operating from stored energy sources |
US5218704A (en) * | 1989-10-30 | 1993-06-08 | Texas Instruments | Real-time power conservation for portable computers |
JPH05189976A (en) | 1991-09-03 | 1993-07-30 | Seiko Epson Corp | Semiconductor device and electronic equipment |
AU3250393A (en) * | 1991-12-17 | 1993-07-19 | Compaq Computer Corporation | Apparatus for reducing computer system power consumption |
US5369771A (en) | 1991-12-23 | 1994-11-29 | Dell U.S.A., L.P. | Computer with transparent power-saving manipulation of CPU clock |
US5423045A (en) * | 1992-04-15 | 1995-06-06 | International Business Machines Corporation | System for distributed power management in portable computers |
US5408639A (en) | 1992-07-21 | 1995-04-18 | Advanced Micro Devices | External memory access control for a processing system |
US6052792A (en) * | 1993-08-24 | 2000-04-18 | Mensch, Jr.; William D. | Power management and program execution location management system for CMOS microcomputer |
US5438681A (en) | 1993-08-24 | 1995-08-01 | Mensch, Jr.; William D. | Topography for CMOS microcomputer |
US5706407A (en) * | 1993-12-28 | 1998-01-06 | Kabushiki Kaisha Toshiba | System for reallocation of memory banks in memory sized order |
WO1995031782A1 (en) * | 1994-05-12 | 1995-11-23 | Ast Research, Inc. | Cpu activity monitoring through cache watching |
EP0727728A1 (en) * | 1995-02-15 | 1996-08-21 | International Business Machines Corporation | Computer system power management |
US5996083A (en) * | 1995-08-11 | 1999-11-30 | Hewlett-Packard Company | Microprocessor having software controllable power consumption |
US5826092A (en) * | 1995-09-15 | 1998-10-20 | Gateway 2000, Inc. | Method and apparatus for performance optimization in power-managed computer systems |
JP3961619B2 (en) * | 1997-06-03 | 2007-08-22 | 株式会社東芝 | Computer system and processing speed control method thereof |
-
1998
- 1998-10-01 US US09/164,762 patent/US6378081B1/en not_active Expired - Lifetime
-
1999
- 1999-08-11 AU AU57730/99A patent/AU5773099A/en not_active Abandoned
- 1999-08-11 WO PCT/US1999/018173 patent/WO2000020955A1/en active IP Right Grant
- 1999-08-11 JP JP2000575015A patent/JP2002526854A/en active Pending
- 1999-08-11 EP EP99945032A patent/EP1116089B1/en not_active Expired - Lifetime
- 1999-08-11 DE DE69905180T patent/DE69905180T2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5617574A (en) * | 1989-05-04 | 1997-04-01 | Texas Instruments Incorporated | Devices, systems and methods for conditional instructions |
EP0451661A2 (en) * | 1990-03-30 | 1991-10-16 | Matsushita Electric Industrial Co., Ltd. | Low power consumption microprocessor |
US5623647A (en) * | 1995-03-07 | 1997-04-22 | Intel Corporation | Application specific clock throttling |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005527875A (en) * | 2001-09-28 | 2005-09-15 | インテル コーポレイション | Method and apparatus for monitoring processing performance |
EP1553496A1 (en) * | 2002-10-18 | 2005-07-13 | Sony Corporation | Information processing device using variable operation frequency |
EP1553496A4 (en) * | 2002-10-18 | 2008-04-02 | Sony Corp | Information processing device using variable operation frequency |
US7437592B2 (en) | 2002-10-18 | 2008-10-14 | Sony Corporation | Information processing device using variable operation frequency |
US7793134B2 (en) | 2002-10-18 | 2010-09-07 | Sony Corporation | Information processing apparatus working at variable operating frequency |
EP1496424A3 (en) * | 2003-07-08 | 2006-11-29 | Toshiba Corporation | Controller for information processing apparatus |
US7328073B2 (en) | 2003-07-08 | 2008-02-05 | Toshiba Corporation | Controller for processing apparatus |
EP1557743A3 (en) * | 2004-01-26 | 2006-11-29 | Kabushiki Kaisha Toshiba | Dynamic voltage controller |
US7418358B2 (en) | 2004-01-26 | 2008-08-26 | Kabushiki Kaisha Toshiba | Dynamic voltage controller |
US7669071B2 (en) | 2006-05-05 | 2010-02-23 | Dell Products L.P. | Power allocation management in an information handling system |
GB2459968A (en) * | 2008-05-16 | 2009-11-18 | Intel Corp | Using the number of times a processor has to wait for a response to determine an efficiency metric and an operational characteristic for the processor |
GB2459968B (en) * | 2008-05-16 | 2011-03-02 | Intel Corp | Efficiency-based determination of operational characteristics |
Also Published As
Publication number | Publication date |
---|---|
EP1116089A1 (en) | 2001-07-18 |
DE69905180T2 (en) | 2003-10-09 |
US6378081B1 (en) | 2002-04-23 |
AU5773099A (en) | 2000-04-26 |
EP1116089B1 (en) | 2003-01-29 |
JP2002526854A (en) | 2002-08-20 |
DE69905180D1 (en) | 2003-03-06 |
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