CN1256637C - 中央处理单元调度方法和装置 - Google Patents
中央处理单元调度方法和装置 Download PDFInfo
- Publication number
- CN1256637C CN1256637C CNB011310154A CN01131015A CN1256637C CN 1256637 C CN1256637 C CN 1256637C CN B011310154 A CNB011310154 A CN B011310154A CN 01131015 A CN01131015 A CN 01131015A CN 1256637 C CN1256637 C CN 1256637C
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- CN
- China
- Prior art keywords
- clock
- cpu
- scheduling
- time
- stand
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 106
- 238000012545 processing Methods 0.000 title claims description 4
- 230000008569 process Effects 0.000 claims abstract description 84
- 230000008859 change Effects 0.000 claims abstract description 15
- 230000005059 dormancy Effects 0.000 claims description 7
- 238000006467 substitution reaction Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- 230000000052 comparative effect Effects 0.000 claims description 4
- 238000004886 process control Methods 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 description 5
- 230000007958 sleep Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
-
- 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
- G06F1/329—Power saving characterised by the action undertaken by task scheduling
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Power Sources (AREA)
- Executing Machine-Instructions (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0051563A KR100487543B1 (ko) | 2000-09-01 | 2000-09-01 | 시피유 스케쥴링 방법 |
KR51563/2000 | 2000-09-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1340751A CN1340751A (zh) | 2002-03-20 |
CN1256637C true CN1256637C (zh) | 2006-05-17 |
Family
ID=19686767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011310154A Expired - Fee Related CN1256637C (zh) | 2000-09-01 | 2001-08-31 | 中央处理单元调度方法和装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7051219B2 (zh) |
KR (1) | KR100487543B1 (zh) |
CN (1) | CN1256637C (zh) |
Families Citing this family (43)
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GB0212261D0 (en) * | 2002-05-28 | 2002-07-10 | Sendo Int Ltd | Processor load monitoring system |
KR20040084832A (ko) * | 2003-03-26 | 2004-10-06 | 마츠시타 덴끼 산교 가부시키가이샤 | 정보 처리 장치, 전기 기기, 정보 처리 장치의 클럭 제어방법, 클럭 제어 프로그램 및 그 프로그램 제품 |
US20040205757A1 (en) * | 2003-04-09 | 2004-10-14 | Pering Trevor A. | Performance scheduling using multiple constraints |
JP4025260B2 (ja) | 2003-08-14 | 2007-12-19 | 株式会社東芝 | スケジューリング方法および情報処理システム |
CN100334521C (zh) * | 2004-02-28 | 2007-08-29 | 鸿富锦精密工业(深圳)有限公司 | 时钟管理***及方法 |
US7607132B2 (en) * | 2004-04-08 | 2009-10-20 | Taiwan Semiconductor Manufacturing Co., Ltd. | Process scheduling system and method |
CN1327408C (zh) * | 2004-12-31 | 2007-07-18 | 苏州大学 | 一种低比特率语音编码器 |
JP4962396B2 (ja) | 2008-04-23 | 2012-06-27 | 日本電気株式会社 | パケット処理装置 |
FR2943806A1 (fr) * | 2009-03-31 | 2010-10-01 | Inst Nat Rech Inf Automat | Dispositif de commande d'alimentation d'un calculateur |
US9176572B2 (en) * | 2009-12-16 | 2015-11-03 | Qualcomm Incorporated | System and method for controlling central processing unit power with guaranteed transient deadlines |
US9104411B2 (en) | 2009-12-16 | 2015-08-11 | Qualcomm Incorporated | System and method for controlling central processing unit power with guaranteed transient deadlines |
US8775830B2 (en) | 2009-12-16 | 2014-07-08 | Qualcomm Incorporated | System and method for dynamically controlling a plurality of cores in a multicore central processing unit based on temperature |
US9128705B2 (en) | 2009-12-16 | 2015-09-08 | Qualcomm Incorporated | System and method for controlling central processing unit power with reduced frequency oscillations |
US9563250B2 (en) | 2009-12-16 | 2017-02-07 | Qualcomm Incorporated | System and method for controlling central processing unit power based on inferred workload parallelism |
CN102110043A (zh) * | 2010-12-30 | 2011-06-29 | 上海顶竹通讯技术有限公司 | 一种cpu占用率的计算方法及装置 |
US9668277B2 (en) * | 2013-03-13 | 2017-05-30 | Qualcomm Incorporated | Adaptive clock rate for high speed data communications |
EP3062142B1 (en) | 2015-02-26 | 2018-10-03 | Nokia Technologies OY | Apparatus for a near-eye display |
CN107132903B (zh) * | 2016-02-29 | 2020-11-13 | 中兴通讯股份有限公司 | 一种节能管理实现方法、装置及网络设备 |
US10678199B2 (en) * | 2016-06-23 | 2020-06-09 | Intel Corporation | Systems, methods and devices for standby power entry without latency tolerance information |
US10650552B2 (en) | 2016-12-29 | 2020-05-12 | Magic Leap, Inc. | Systems and methods for augmented reality |
EP3343267B1 (en) | 2016-12-30 | 2024-01-24 | Magic Leap, Inc. | Polychromatic light out-coupling apparatus, near-eye displays comprising the same, and method of out-coupling polychromatic light |
US10578870B2 (en) | 2017-07-26 | 2020-03-03 | Magic Leap, Inc. | Exit pupil expander |
CA3084811A1 (en) | 2017-12-10 | 2019-06-13 | Magic Leap, Inc. | Anti-reflective coatings on optical waveguides |
CN111712751B (zh) | 2017-12-20 | 2022-11-01 | 奇跃公司 | 用于增强现实观看设备的***件 |
US10755676B2 (en) | 2018-03-15 | 2020-08-25 | Magic Leap, Inc. | Image correction due to deformation of components of a viewing device |
JP7319303B2 (ja) | 2018-05-31 | 2023-08-01 | マジック リープ, インコーポレイテッド | レーダ頭部姿勢位置特定 |
US11579441B2 (en) | 2018-07-02 | 2023-02-14 | Magic Leap, Inc. | Pixel intensity modulation using modifying gain values |
WO2020010226A1 (en) | 2018-07-03 | 2020-01-09 | Magic Leap, Inc. | Systems and methods for virtual and augmented reality |
US11856479B2 (en) | 2018-07-03 | 2023-12-26 | Magic Leap, Inc. | Systems and methods for virtual and augmented reality along a route with markers |
US11624929B2 (en) | 2018-07-24 | 2023-04-11 | Magic Leap, Inc. | Viewing device with dust seal integration |
WO2020023545A1 (en) | 2018-07-24 | 2020-01-30 | Magic Leap, Inc. | Temperature dependent calibration of movement detection devices |
CN112740665A (zh) | 2018-08-02 | 2021-04-30 | 奇跃公司 | 基于头部运动的瞳孔间距离补偿的观察*** |
EP3830631A4 (en) | 2018-08-03 | 2021-10-27 | Magic Leap, Inc. | NON-FUSED POSE DRIFT CORRECTION OF A FUSED TOTEM IN A USER INTERACTION SYSTEM |
JP7487176B2 (ja) | 2018-08-22 | 2024-05-20 | マジック リープ, インコーポレイテッド | 患者視認システム |
CN117111304A (zh) | 2018-11-16 | 2023-11-24 | 奇跃公司 | 用于保持图像清晰度的图像尺寸触发的澄清 |
EP3899613A4 (en) | 2018-12-21 | 2022-09-07 | Magic Leap, Inc. | AIR POCKET STRUCTURES TO PROMOTE TOTAL INTERNAL REFLECTION IN A WAVEGUIDE |
US11425189B2 (en) * | 2019-02-06 | 2022-08-23 | Magic Leap, Inc. | Target intent-based clock speed determination and adjustment to limit total heat generated by multiple processors |
WO2020185405A1 (en) | 2019-03-12 | 2020-09-17 | Magic Leap, Inc. | Registration of local content between first and second augmented reality viewers |
US11445232B2 (en) | 2019-05-01 | 2022-09-13 | Magic Leap, Inc. | Content provisioning system and method |
JP2022542363A (ja) | 2019-07-26 | 2022-10-03 | マジック リープ, インコーポレイテッド | 拡張現実のためのシステムおよび方法 |
EP4058936A4 (en) | 2019-11-14 | 2023-05-03 | Magic Leap, Inc. | SYSTEMS AND METHODS FOR VIRTUAL AND AUGMENTED REALITY |
JP2023502927A (ja) | 2019-11-15 | 2023-01-26 | マジック リープ, インコーポレイテッド | 外科手術環境において使用するための視認システム |
CN116301197B (zh) * | 2023-04-27 | 2023-08-04 | 上海合见工业软件集团有限公司 | 时钟数据恢复方法、电子设备和介质 |
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DE69016718T2 (de) * | 1989-09-06 | 1995-10-05 | Omron Tateisi Electronics Co | Programmierbares Steuerungsgerät. |
US5623677A (en) * | 1994-05-13 | 1997-04-22 | Apple Computer, Inc. | Apparatus and method for reducing power consumption in a computer system |
JP3588485B2 (ja) * | 1994-08-26 | 2004-11-10 | 富士通株式会社 | プロセススケジューリング方式 |
JP2693916B2 (ja) * | 1994-09-22 | 1997-12-24 | 米沢日本電気株式会社 | タスクスケジュール方法 |
US5815693A (en) * | 1995-12-15 | 1998-09-29 | National Semiconductor Corporation | Processor having a frequency modulated core clock based on the criticality of program activity |
US6115823A (en) * | 1997-06-17 | 2000-09-05 | Amphus, Inc. | System and method for task performance based dynamic distributed power management in a computer system and design method therefor |
KR100298212B1 (ko) * | 1997-12-17 | 2001-08-07 | 이계철 | 우선순위역전현상을해결하기위한실시간태스크스케쥴링방법 |
US6438704B1 (en) * | 1999-03-25 | 2002-08-20 | International Business Machines Corporation | System and method for scheduling use of system resources among a plurality of limited users |
US6564328B1 (en) * | 1999-12-23 | 2003-05-13 | Intel Corporation | Microprocessor with digital power throttle |
US6366522B1 (en) * | 2000-11-20 | 2002-04-02 | Sigmatel, Inc | Method and apparatus for controlling power consumption of an integrated circuit |
US6845456B1 (en) * | 2001-05-01 | 2005-01-18 | Advanced Micro Devices, Inc. | CPU utilization measurement techniques for use in power management |
-
2000
- 2000-09-01 KR KR10-2000-0051563A patent/KR100487543B1/ko not_active IP Right Cessation
-
2001
- 2001-08-30 US US09/941,849 patent/US7051219B2/en not_active Expired - Fee Related
- 2001-08-31 CN CNB011310154A patent/CN1256637C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1340751A (zh) | 2002-03-20 |
KR20020018309A (ko) | 2002-03-08 |
KR100487543B1 (ko) | 2005-05-03 |
US7051219B2 (en) | 2006-05-23 |
US20020029353A1 (en) | 2002-03-07 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LG- NORTEL CO., LTD. Free format text: FORMER OWNER: LG ELECTRONIC CO., LTD. Effective date: 20061110 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20061110 Address after: Seoul, South Kerean Patentee after: LG-Nortel Corp. Address before: Seoul, South Kerean Patentee before: LG Electronics Inc. |
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C56 | Change in the name or address of the patentee |
Owner name: LG-ERICSSON CO., LTD. Free format text: FORMER NAME: LG-NORTEL CO., LTD. |
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CP01 | Change in the name or title of a patent holder |
Address after: Seoul, Korea Patentee after: LG-Ericsson Co.,Ltd. Address before: Seoul, Korea Patentee before: LG-Nortel Corp. |
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ASS | Succession or assignment of patent right |
Owner name: ERICSSON-LG ENTERPRISE CO., LTD. Free format text: FORMER OWNER: ERICSSON-LG CO., LTD. Effective date: 20140212 |
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C56 | Change in the name or address of the patentee |
Owner name: ERICSSON-LG CO., LTD. Free format text: FORMER NAME: LG-ERICSSON CO., LTD. |
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CP01 | Change in the name or title of a patent holder |
Address after: Seoul, South Kerean Patentee after: ERICSSON-LG Co.,Ltd. Address before: Seoul, South Kerean Patentee before: LG-Ericsson Co.,Ltd. |
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CP03 | Change of name, title or address | ||
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Effective date of registration: 20140212 Address after: Gyeonggi Do, South Korea Patentee after: Ericsson -LG enterprise Kabushiki Kaisha Address before: Seoul, South Kerean Patentee before: ERICSSON-LG Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
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