JP2001517332A - 電圧スケーリングと周波数スケーリングの両方を通じて電力消費量を削減する装置および方法 - Google Patents
電圧スケーリングと周波数スケーリングの両方を通じて電力消費量を削減する装置および方法Info
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- JP2001517332A JP2001517332A JP51365897A JP51365897A JP2001517332A JP 2001517332 A JP2001517332 A JP 2001517332A JP 51365897 A JP51365897 A JP 51365897A JP 51365897 A JP51365897 A JP 51365897A JP 2001517332 A JP2001517332 A JP 2001517332A
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- 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
- G06F9/30003—Arrangements for executing specific machine instructions
- G06F9/30076—Arrangements for executing specific machine instructions to perform miscellaneous control operations, e.g. NOP
- G06F9/30083—Power or thermal control instructions
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- 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
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/206—Cooling means comprising thermal management
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- 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
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- 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
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- 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
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- 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
- G06F9/30003—Arrangements for executing specific machine instructions
- G06F9/30076—Arrangements for executing specific machine instructions to perform miscellaneous control operations, e.g. NOP
-
- 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
- G06F9/30181—Instruction operation extension or modification
- G06F9/30185—Instruction operation extension or modification according to one or more bits in the instruction, e.g. prefix, sub-opcode
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/005—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting using a power saving mode
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- 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
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Human Computer Interaction (AREA)
- Power Sources (AREA)
- Microcomputers (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.電子装置で使用できるようになされた電力制御回路であって、 第1の信号に応答して、スケーリング可能なクロック信号を電子装置に供給す るクロック生成回路と、 第2の信号に応答して、スケーリング可能な電圧を有する電源信号を電子装置 に与える電源回路と、 前記クロック生成回路および前記電源回路に結合され、事象に応答して前記第 1および第2の信号を生成し電子装置による電力の使用度を動的に制御するコン トローラとを備える電力制御回路。 2.前記温度検出回路が、 電子装置に結合された温度検知装置と、 前記温度検知装置および前記コントローラに結合され、前記温度検知装置から 信号を受け取り、前記信号を必要な温度レベルと比較し、前記信号を、アサート 時に電子装置が前記サーマル・バンドを超えたことを示す前記第3の信号に転送 する、温度比較ロジックとを含むことを特徴とする請求項32に記載の電力制御 回路。 3.前記コントローラがクロック速度記憶要素とコア電圧記憶要素とを含むこ とを特徴とする請求項1に記載の電力制御回路。 4.前記クロック生成回路が、前記第1の信号を受け取ったときに前記スケー リング可能なクロック信号の動作周波数を低減することを特徴とする請求項1に 記載の電力制御回路。 5.前記電源回路が、前記スケーリング可能なクロッキングの前記動作周波数 が低減された後、前記第2の信号を受け取ったときに、前記電源信号を通じて与 えられた前記スケーリング可能な電圧を低減することを特徴とする請求項4に記 載の電力制御回路。 6.前記コントローラがさらに、電子装置がその実行時間のうちの少なくとも 所定の割合の間アイドル状態であるかどうかを検出し、それに応答して、前記第 1および第2の信号を出力して電子装置の周波数スケーリングおよび電圧スケー リングを開始することを特徴とする請求項1に記載の電力制御回路。 7.電子装置用の電力制御回路であって、 前記電子装置がその実行時間のうちの所定の割合の間アイドル状態であるかど うかを検出し、前記電子装置が前記実行時間のうちの所定の割合の間アイドル状 態であるときに前記第1および第2の信号を出力して電子装置の周波数スケーリ ングおよび電圧スケーリングを開始する制御手段と、 少なくとも電子装置に供給されるクロック信号の動作周波数をスケーリングす るクロック手段と、 電子装置に供給される電圧をスケーリングする電力手段と、 電子装置がその実行時間のうちの所定の割合の間アイドル状態であるかどうか を検出し、前記電子装置が前記実行時間のうちの少なくとも前記所定の割合の間 アイドル状態であるときに複数の制御信号を出力して電子装置の動的周波数スケ ーリングおよび動的電圧スケーリングを開始する制御手段とを備えることを特徴 とする電力制御回路。 8.前記制御手段が、クロック速度記憶要素と、コア電圧記憶要素と、停止サ イクル検出記憶要素とを含むことを特徴とする請求項7に記載の電力制御回路。 9.前記停止サイクル検出記憶要素が1ビット・レジスタであることを特徴と する請求項8に記載の電力制御回路。 10.前記クロック手段が、前記停止サイクル検出記憶要素がセットされたこ とを検出したときに前記クロック信号の前記動作周波数を低減することを特徴と する請求項9に記載の電力制御回路。 11.さらに、電子装置の温度を監視し、電子装置がサーマル・バンドを超え たときに信号を生成する温度検出手段を備えることを特徴とする請求項7に記載 の電力制御回路。 12.前記温度検出手段が、 電子装置の前記温度を検知する検知手段と、 前記検知手段から温度信号を受け取り、前記温度信号を、アサート時に、電子 装置が前記サーマル・バンドを超えたことを示す前記信号としてディジタル化す るために、前記検知手段に結合された比較手段とを含むことを特徴とする請求項 7に記載の電力制御回路。 13.前記クロック手段が、前記温度検出手段が前記信号をアサートしたとき に、電子装置に供給される前記クロック信号の前記動作周波数を低減することを 特徴とする請求項12に記載の電力制御回路。 14.前記電源手段が、前記クロック信号の前記動作周波数が低減された後に 、電子装置に供給される前記電圧を低減することを特徴とする請求項13に記載 の電力制御回路。 15.コンピュータ・システムであって、 情報を処理するように構成されたプロセッサと、 前記プロセッサとシステム・バスとの間で前記情報を転送するように構成され たシステム・コントローラと、 前記システム・バス自体に結合された少なくとも1つの周辺装置へ前記情報を 転送するように構成された前記システム・バスと、 電力制御回路とを備え、前記電力制御回路が、 第1の信号に応答して、スケーリング可能なクロック信号を前記プロセッサに 供給するクロック生成回路と、 第2の信号に応答して、スケーリング可能な電圧を有する電源信号を前記プロ セッサ装置に与える電源回路と、 前記クロック生成回路および前記電源回路に結合され、事象に応答して前記第 1および第2の信号を生成し前記プロセッサによる電力の使用度を動的に制御す るコントローラとを備えることを特徴とするコンピュータ・システム。 16.前記電力制御回路の前記温度検出回路が、 前記プロセッサに結合された温度検知装置と、 前記温度検知装置および前記コントローラに結合され、前記温度検知装置から 信号を受け取り、前記信号を比較して前記プロセッサがサーマル・バンドを超え たかどうかを確認し、前記第3の信号を、前記プロセッサが前記サーマル・バン ドを超えたことを示すアサート状態で伝送する、温度比較ロジックとを含むこと を特徴とする請求項35に記載のコンピュータ・システム。 17.前記電力制御回路の前記コントローラがクロック速度記憶要素とコア電 圧記憶要素とを含むことを特徴とする請求項15に記載のコンピュータ・システ ム。 18.前記クロック生成回路が、前記第1の信号を受け取ったときにスケーリ ング可能なクロック信号の動作周波数を低減することを特徴とする請求項15に 記載のコンピュータ・システム。 19.前記電源回路が、前記第2の信号を受け取ったときに、前記電源信号を 通じて与えられた前記スケーリング可能な電圧を低減することを特徴とする請求 項18に記載の電力制御回路。 20.前記電力制御回路の前記コントローラがさらに、前記プロセッサがその 実行時間のうちの少なくとも所定の割合の間アイドル状態であるかどうかを検出 し、それに応答して、前記第1および第2の信号を出力して前記プロセッサの周 波数スケーリングおよび電圧スケーリングを開始することを特徴とする請求項1 5に記載の電力制御回路。 21.コンピュータ・システムであって、 情報を処理するプロセッサ手段と、 コンピュータ・システム内部で前記情報を転送するバス手段と、 前記プロセッサ手段と前記バス手段との間で前記情報を転送するために前記プ ロセッサ手段および前記バス手段に結合されたシステム制御手段と、 少なくとも前記プロセッサによる電力消費量を低減する電力制御手段とを備え 、前記電力制御手段が、 前記プロセッサ手段がその実行時間のうちの所定の割合の間アイドル状態であ るかどうかを検出し、前記プロセッサ手段が前記実行時間のうちの前記所定の割 合の間アイドル状態であるときに第1および第2の信号を出力して前記プロセッ サ手段の周波数スケーリングおよび電圧スケーリングを開始する制御手段と、 少なくとも前記プロセッサ手段に供給されるクロック信号の動作周波数をスケ ーリングするクロック手段と、 前記プロセッサ手段に与えられた電圧をスケーリングする電力手段と、 電子装置がその実行時間のうちの所定の割合の間アイドル状態であるかどうか を検出し、前記電子装置が前記実行時間のうちの少なくとも前記所定の割合の間 アイドル状態であるときに複数の制御信号を出力して電子装置の周波数スケーリ ングおよび電圧スケーリングを開始するために、前記クロック手段および前記電 力手段に結合された制御手段とを含むことを特徴とするコンピュータ・システム 。 22.前記電力制御手段の前記制御手段が、クロック速度記憶要素と、コア電 圧記憶要素と、停止サイクル検出記憶要素とを含むことを特徴とする請求項21 に記載のコンピュータ・システム。 23.前記停止サイクル検出記憶要素が1ビット・レジスタであることを特徴 とする請求項22に記載のコンピュータ・システム。 24.前記クロック手段が、前記停止サイクル検出記憶要素がセットされたこ とを検出したときに前記クロック信号の前記動作周波数を低減することを特徴と する請求項23に記載のコンピュータ・システム。 25.前記電力制御手段がさらに、前記プロセッサ手段の温度を監視し、前記 プロセッサ手段がサーマル・バンドを超えたときに信号を生成する温度検出手段 を備えることを特徴とする請求項21に記載のコンピュータ・システム。 26.前記電力制御手段の前記温度検出手段が、 前記プロセッサ手段の前記温度を検知する検知手段と、 前記検知手段から温度信号を受け取り、前記温度信号を、アサート時に、前記 プロセッサ手段が前記サーマル・バンドを超えたことを示す前記信号としてディ ジタル化するために、前記検知手段に結合された比較手段とを含むことを特徴と する請求項25に記載のコンピュータ・システム。 27.前記クロック手段が、前記温度検出手段が前記信号をアサートしたとき に、前記クロック信号の動作周波数を低減することを特徴とする請求項26に記 載のコンピュータ・システム。 28.前記電源手段が、前記クロック信号の前記動作周波数の後に、前記プロ セッサ手段に供給される前記電圧を低減することを特徴とする請求項27に記載 のコンピュータ・システム。 32.さらに、電子装置の温度を監視し、前記事象を検出したときに前記コン トローラに第3の信号を出力する温度検出回路を備えることを特徴とする請求項 1に記載の電力制御回路。 33.前記温度検出回路によって検出される前記事象が、電子装置がサーマル ・バンドを超える条件を含むことを特徴とする請求項32に記載の電力制御回路 。 34.前記電力制御回路がさらに、電子装置の温度を監視し、前記事象を検出 したときに前記コントローラに第3の信号を出力する温度検出回路を備えること を特徴とする請求項15に記載のコンピュータ・システム。 35.前記電力制御回路の前記温度検出回路によって検出される前記事象が、 電子装置がサーマル・バンドを超える条件を含むことを特徴とする請求項34に 記載のコンピュータ・システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US08/537,146 US5745375A (en) | 1995-09-29 | 1995-09-29 | Apparatus and method for controlling power usage |
US08/537,146 | 1995-09-29 | ||
PCT/US1996/015485 WO1997012329A1 (en) | 1995-09-29 | 1996-09-26 | An apparatus and method for reducing power consumption through both voltage and frequency scaling |
Publications (2)
Publication Number | Publication Date |
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JP2001517332A true JP2001517332A (ja) | 2001-10-02 |
JP3419784B2 JP3419784B2 (ja) | 2003-06-23 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP51365897A Expired - Fee Related JP3419784B2 (ja) | 1995-09-29 | 1996-09-26 | 電圧スケーリングと周波数スケーリングの両方を通じて電力消費量を削減する装置および方法 |
Country Status (7)
Country | Link |
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US (2) | US5745375A (ja) |
EP (1) | EP0858634B1 (ja) |
JP (1) | JP3419784B2 (ja) |
AU (1) | AU7247296A (ja) |
DE (1) | DE69629123T2 (ja) |
TW (1) | TW330258B (ja) |
WO (1) | WO1997012329A1 (ja) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7206949B2 (en) | 2003-03-18 | 2007-04-17 | Matsushita Electric Industrial Co., Ltd. | System and method for controlling a clock oscillator and power supply voltage based on the energy consumed for processing a predetermined amount of data |
JP2008524744A (ja) * | 2004-12-21 | 2008-07-10 | パケット ディジタル | オンデマンド電力管理の方法及び機器 |
JP2008541269A (ja) * | 2005-05-10 | 2008-11-20 | インテル・コーポレーション | 温度に基づく適応周波数境界制御 |
JP2010522403A (ja) * | 2007-03-29 | 2010-07-01 | インテル・コーポレーション | 動的な電力の低減 |
JP2011100449A (ja) * | 2009-11-06 | 2011-05-19 | Samsung Electronics Co Ltd | 動的電圧周波数スケーリング方法 |
US8020015B2 (en) | 2004-12-21 | 2011-09-13 | Packet Digital | Method and apparatus for on-demand power management |
JP2013516710A (ja) * | 2010-01-11 | 2013-05-13 | クアルコム,インコーポレイテッド | 中央処理装置内のデータをサンプリングするシステムおよび方法 |
US8890362B2 (en) | 2010-04-21 | 2014-11-18 | Fujitsu Limited | Semiconductor device |
JP2017162487A (ja) * | 2014-02-10 | 2017-09-14 | ヴィア アライアンス セミコンダクター カンパニー リミテッド | 過度の近似計算誤差から回復するプロセッサ |
CN107407942A (zh) * | 2015-03-30 | 2017-11-28 | 苹果公司 | 欠电压检测和性能调节 |
Families Citing this family (209)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5493687A (en) * | 1991-07-08 | 1996-02-20 | Seiko Epson Corporation | RISC microprocessor architecture implementing multiple typed register sets |
US5539911A (en) | 1991-07-08 | 1996-07-23 | Seiko Epson Corporation | High-performance, superscalar-based computer system with out-of-order instruction execution |
EP0636256B1 (en) | 1992-03-31 | 1997-06-04 | Seiko Epson Corporation | Superscalar risc processor instruction scheduling |
WO1993022722A1 (en) | 1992-05-01 | 1993-11-11 | Seiko Epson Corporation | A system and method for retiring instructions in a superscalar microprocessor |
US5628021A (en) | 1992-12-31 | 1997-05-06 | Seiko Epson Corporation | System and method for assigning tags to control instruction processing in a superscalar processor |
DE69320991T2 (de) * | 1992-12-31 | 1999-01-28 | Seiko Epson Corp | System und verfahren zur änderung der namen von registern |
US6463396B1 (en) * | 1994-05-31 | 2002-10-08 | Kabushiki Kaisha Toshiba | Apparatus for controlling internal heat generating circuit |
US5752011A (en) | 1994-06-20 | 1998-05-12 | Thomas; C. Douglas | Method and system for controlling a processor's clock frequency in accordance with the processor's temperature |
US7167993B1 (en) * | 1994-06-20 | 2007-01-23 | Thomas C Douglass | Thermal and power management for computer systems |
US6029119A (en) * | 1996-01-16 | 2000-02-22 | Compaq Computer Corporation | Thermal management of computers |
US5940785A (en) * | 1996-04-29 | 1999-08-17 | International Business Machines Corporation | Performance-temperature optimization by cooperatively varying the voltage and frequency of a circuit |
US5884049A (en) * | 1996-12-31 | 1999-03-16 | Compaq Computer Corporation | Increased processor performance comparable to a desktop computer from a docked portable computer |
US6101610A (en) * | 1997-03-28 | 2000-08-08 | International Business Machines Corporation | Computer system having thermal sensing with dual voltage sources for sensor stabilization |
US5974556A (en) * | 1997-05-02 | 1999-10-26 | Intel Corporation | Circuit and method for controlling power and performance based on operating environment |
US6411156B1 (en) * | 1997-06-20 | 2002-06-25 | Intel Corporation | Employing transistor body bias in controlling chip parameters |
US6928559B1 (en) * | 1997-06-27 | 2005-08-09 | Broadcom Corporation | Battery powered device with dynamic power and performance management |
JPH11122624A (ja) * | 1997-10-16 | 1999-04-30 | Matsushita Electric Ind Co Ltd | ビデオデコーダ処理量を低減する方法および装置 |
JPH11143573A (ja) * | 1997-11-10 | 1999-05-28 | Fujitsu Ltd | クロック供給方法及び情報処理装置 |
KR200215119Y1 (ko) * | 1997-12-01 | 2001-03-02 | 윤종용 | 절전동작모드를위한기준신호발생회로를구비하는전원공급장치 |
AU3098399A (en) * | 1998-03-20 | 1999-10-11 | Speck Product Design | Thermally efficient portable computer system and method incorporating thermal connection port and dock |
US6167330A (en) * | 1998-05-08 | 2000-12-26 | The United States Of America As Represented By The Secretary Of The Air Force | Dynamic power management of systems |
US6304823B1 (en) | 1998-09-16 | 2001-10-16 | Microchip Technology Incorporated | Microprocessor power supply system including a programmable power supply and a programmable brownout detector |
US7225088B2 (en) * | 1998-09-16 | 2007-05-29 | Microchip Technology Incorporated | Programmable power supply and brownout detector for electronic equipment |
US6415388B1 (en) | 1998-10-30 | 2002-07-02 | Intel Corporation | Method and apparatus for power throttling in a microprocessor using a closed loop feedback system |
US6535798B1 (en) * | 1998-12-03 | 2003-03-18 | Intel Corporation | Thermal management in a system |
US6484265B2 (en) | 1998-12-30 | 2002-11-19 | Intel Corporation | Software control of transistor body bias in controlling chip parameters |
US6289465B1 (en) | 1999-01-11 | 2001-09-11 | International Business Machines Corporation | System and method for power optimization in parallel units |
JP3526009B2 (ja) * | 1999-02-09 | 2004-05-10 | インターナショナル・ビジネス・マシーンズ・コーポレーション | コンピュータ・システムにおける電力管理装置および電力管理方法 |
US6345362B1 (en) * | 1999-04-06 | 2002-02-05 | International Business Machines Corporation | Managing Vt for reduced power using a status table |
US6477654B1 (en) * | 1999-04-06 | 2002-11-05 | International Business Machines Corporation | Managing VT for reduced power using power setting commands in the instruction stream |
US6314510B1 (en) | 1999-04-14 | 2001-11-06 | Sun Microsystems, Inc. | Microprocessor with reduced context switching overhead and corresponding method |
US6418535B1 (en) | 1999-04-28 | 2002-07-09 | International Business Machines Corporation | Bi-level power saver method for portable or laptop computer |
US6425086B1 (en) * | 1999-04-30 | 2002-07-23 | Intel Corporation | Method and apparatus for dynamic power control of a low power processor |
JP3705022B2 (ja) * | 1999-07-09 | 2005-10-12 | 株式会社日立製作所 | 低消費電力マイクロプロセッサおよびマイクロプロセッサシステム |
WO2001027728A1 (en) * | 1999-10-14 | 2001-04-19 | Advanced Micro Devices, Inc. | Minimizing power consumption during sleep modes by using minimum core voltage necessary to maintain system state |
WO2001035200A1 (en) * | 1999-11-09 | 2001-05-17 | Advanced Micro Devices, Inc. | Dynamically adjusting a processor's operational parameters according to its environment |
US6397053B1 (en) * | 1999-12-30 | 2002-05-28 | Koninklijke Philips Electronics N.V. (Kpenv) | Reduction of power consumption with increased standby time in wireless communications device |
US6625740B1 (en) * | 2000-01-13 | 2003-09-23 | Cirrus Logic, Inc. | Dynamically activating and deactivating selected circuit blocks of a data processing integrated circuit during execution of instructions according to power code bits appended to selected instructions |
US7100061B2 (en) * | 2000-01-18 | 2006-08-29 | Transmeta Corporation | Adaptive power control |
US6772356B1 (en) | 2000-04-05 | 2004-08-03 | Advanced Micro Devices, Inc. | System for specifying core voltage for a microprocessor by selectively outputting one of a first, fixed and a second, variable voltage control settings from the microprocessor |
US6721892B1 (en) | 2000-05-09 | 2004-04-13 | Palmone, Inc. | Dynamic performance adjustment of computation means |
KR100361340B1 (ko) * | 2000-05-15 | 2002-12-05 | 엘지전자 주식회사 | 씨피유 클럭 제어 방법 |
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 |
US6754837B1 (en) | 2000-07-17 | 2004-06-22 | Advanced Micro Devices, Inc. | Programmable stabilization interval for internal stop grant state during which core logic is supplied with clocks and power to minimize stabilization delay |
KR100613201B1 (ko) * | 2000-08-28 | 2006-08-18 | 마이크로코넥트 엘엘씨 | 씨피유 사용량 측정 방법 |
US6910139B2 (en) * | 2000-10-02 | 2005-06-21 | Fujitsu Limited | Software processing apparatus with a switching processing unit for displaying animation images in an environment operating base on type of power supply |
US7260731B1 (en) | 2000-10-23 | 2007-08-21 | Transmeta Corporation | Saving power when in or transitioning to a static mode of a processor |
US6366522B1 (en) * | 2000-11-20 | 2002-04-02 | Sigmatel, Inc | Method and apparatus for controlling power consumption of an integrated circuit |
US7000130B2 (en) * | 2000-12-26 | 2006-02-14 | Intel Corporation | Method and apparatus for thermal throttling of clocks using localized measures of activity |
US6711526B2 (en) | 2000-12-29 | 2004-03-23 | Intel Corporation | Operating system-independent method and system of determining CPU utilization |
US7596709B2 (en) * | 2000-12-30 | 2009-09-29 | Intel Corporation | CPU power management based on utilization with lowest performance mode at the mid-utilization range |
US6829713B2 (en) | 2000-12-30 | 2004-12-07 | Intel Corporation | CPU power management based on utilization with lowest performance mode at the mid-utilization range |
US20020108064A1 (en) * | 2001-02-07 | 2002-08-08 | Patrick Nunally | System and method for optimizing power/performance in network-centric microprocessor-controlled devices |
CN1282060C (zh) * | 2001-02-07 | 2006-10-25 | 高通股份有限公司 | 将时钟信号用于移动用户台的处理器以管理功耗的方法和设备 |
US6895520B1 (en) | 2001-03-02 | 2005-05-17 | Advanced Micro Devices, Inc. | Performance and power optimization via block oriented performance measurement and control |
US20030100340A1 (en) * | 2001-03-16 | 2003-05-29 | Cupps Bryan T. | Novel personal electronics device with thermal management |
US7107471B2 (en) * | 2001-03-21 | 2006-09-12 | Apple Computer, Inc. | Method and apparatus for saving power in pipelined processors |
US6845456B1 (en) | 2001-05-01 | 2005-01-18 | Advanced Micro Devices, Inc. | CPU utilization measurement techniques for use in power management |
US6795927B1 (en) | 2001-05-01 | 2004-09-21 | Advanced Micro Devices, Inc. | Power state resynchronization |
US7254721B1 (en) | 2001-05-01 | 2007-08-07 | Advanced Micro Devices, Inc. | System and method for controlling an intergrated circuit to enter a predetermined performance state by skipping all intermediate states based on the determined utilization of the intergrated circuit |
TW538330B (en) * | 2001-06-15 | 2003-06-21 | Compal Electronics Inc | Peripheral device equipped with a thermal control circuit for a portable computer |
WO2003014902A1 (en) * | 2001-08-10 | 2003-02-20 | Shakti Systems, Inc. | Distributed power supply architecture |
US20030061523A1 (en) * | 2001-09-25 | 2003-03-27 | Stanley Randy P. | Method and apparatus to provide a user priority mode |
US7111178B2 (en) * | 2001-09-28 | 2006-09-19 | Intel Corporation | Method and apparatus for adjusting the voltage and frequency to minimize power dissipation in a multiprocessor system |
US6898718B2 (en) * | 2001-09-28 | 2005-05-24 | Intel Corporation | Method and apparatus to monitor performance of a process |
US6859886B1 (en) | 2001-10-02 | 2005-02-22 | Lsi Logic Corporation | IO based embedded processor clock speed control |
FI20011947A (fi) * | 2001-10-05 | 2003-04-06 | Nokia Corp | Menetelmä suorittimen toiminnan ohjaamiseksi ja suoritin |
US7111179B1 (en) | 2001-10-11 | 2006-09-19 | In-Hand Electronics, Inc. | Method and apparatus for optimizing performance and battery life of electronic devices based on system and application parameters |
US6892312B1 (en) * | 2001-10-30 | 2005-05-10 | Lsi Logic Corporation | Power monitoring and reduction for embedded IO processors |
US6819088B2 (en) * | 2001-11-05 | 2004-11-16 | Krishna Shenai | DC-DC converter with resonant gate drive |
AU2002343624A1 (en) * | 2001-11-05 | 2003-05-19 | Shakti Systems, Inc. | Monolithic battery charging device |
US6889332B2 (en) * | 2001-12-11 | 2005-05-03 | Advanced Micro Devices, Inc. | Variable maximum die temperature based on performance state |
US6947865B1 (en) * | 2002-02-15 | 2005-09-20 | Nvidia Corporation | Method and system for dynamic power supply voltage adjustment for a semiconductor integrated circuit device |
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 |
US7941675B2 (en) * | 2002-12-31 | 2011-05-10 | Burr James B | Adaptive power control |
US7454012B2 (en) * | 2002-04-29 | 2008-11-18 | Adc Dsl Systems, Inc. | Managing power in a line powered network element |
US7567665B2 (en) * | 2002-04-29 | 2009-07-28 | Adc Dsl Systems, Inc. | Function for controlling line powered network element |
US7599484B2 (en) * | 2002-04-29 | 2009-10-06 | Adc Dsl Systems, Inc. | Element management system for managing line-powered network elements |
US20040017911A1 (en) * | 2002-04-29 | 2004-01-29 | Nattkemper Dieter H. | Line powered network element |
US6920574B2 (en) | 2002-04-29 | 2005-07-19 | Apple Computer, Inc. | Conserving power by reducing voltage supplied to an instruction-processing portion of a processor |
US7149909B2 (en) * | 2002-05-09 | 2006-12-12 | Intel Corporation | Power management for an integrated graphics device |
US20040030936A1 (en) * | 2002-08-07 | 2004-02-12 | Wang Ming Chang | Notebook computer having temperature adjustment function |
US6908227B2 (en) * | 2002-08-23 | 2005-06-21 | Intel Corporation | Apparatus for thermal management of multiple core microprocessors |
US7013406B2 (en) | 2002-10-14 | 2006-03-14 | Intel Corporation | Method and apparatus to dynamically change an operating frequency and operating voltage of an electronic device |
US7076672B2 (en) * | 2002-10-14 | 2006-07-11 | Intel Corporation | Method and apparatus for performance effective power throttling |
US7882369B1 (en) | 2002-11-14 | 2011-02-01 | Nvidia Corporation | Processor performance adjustment system and method |
US7849332B1 (en) | 2002-11-14 | 2010-12-07 | Nvidia Corporation | Processor voltage adjustment system and method |
US7886164B1 (en) * | 2002-11-14 | 2011-02-08 | Nvidia Corporation | Processor temperature adjustment system and method |
GB2395625B (en) * | 2002-11-20 | 2005-01-12 | Toshiba Res Europ Ltd | Reduced power consumption signal processing methods and apparatus |
US6996730B2 (en) * | 2002-11-25 | 2006-02-07 | Texas Instruments Incorporated | Adjusting voltage supplied to a processor in response to clock frequency |
US7080268B2 (en) * | 2002-12-03 | 2006-07-18 | Intel Corporation | Method and apparatus for regulating power to electronic circuits |
US7500126B2 (en) * | 2002-12-04 | 2009-03-03 | Nxp B.V. | Arrangement and method for controlling power modes of hardware resources |
US7205758B1 (en) | 2004-02-02 | 2007-04-17 | Transmeta Corporation | Systems and methods for adjusting threshold voltage |
US7949864B1 (en) | 2002-12-31 | 2011-05-24 | Vjekoslav Svilan | Balanced adaptive body bias control |
US7642835B1 (en) | 2003-11-12 | 2010-01-05 | Robert Fu | System for substrate potential regulation during power-up in integrated circuits |
US7953990B2 (en) * | 2002-12-31 | 2011-05-31 | Stewart Thomas E | Adaptive power control based on post package characterization of integrated circuits |
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 |
TW200416522A (en) | 2003-02-25 | 2004-09-01 | Asustek Comp Inc | Portable computer carrying desktop computer processor and power management method thereof |
US7139920B2 (en) * | 2003-03-13 | 2006-11-21 | Sun Microsystems, Inc. | Method and apparatus for supplying power in electronic equipment |
EP1462915A3 (en) * | 2003-03-26 | 2009-01-21 | Panasonic Corporation | Clock controlling method and apparatus |
JP3958239B2 (ja) * | 2003-03-31 | 2007-08-15 | 松下電器産業株式会社 | マイクロコントローラ |
US7012459B2 (en) * | 2003-04-02 | 2006-03-14 | Sun Microsystems, Inc. | Method and apparatus for regulating heat in an asynchronous system |
US20060020906A1 (en) * | 2003-07-16 | 2006-01-26 | Plut William J | Graphics preservation for spatially varying display device power conversation |
US7580033B2 (en) * | 2003-07-16 | 2009-08-25 | Honeywood Technologies, Llc | Spatial-based power savings |
US7714831B2 (en) | 2003-07-16 | 2010-05-11 | Honeywood Technologies, Llc | Background plateau manipulation for display device power conservation |
US7602388B2 (en) * | 2003-07-16 | 2009-10-13 | Honeywood Technologies, Llc | Edge preservation for spatially varying power conservation |
US7663597B2 (en) | 2003-07-16 | 2010-02-16 | Honeywood Technologies, Llc | LCD plateau power conservation |
US7786988B2 (en) * | 2003-07-16 | 2010-08-31 | Honeywood Technologies, Llc | Window information preservation for spatially varying power conservation |
US7583260B2 (en) * | 2003-07-16 | 2009-09-01 | Honeywood Technologies, Llc | Color preservation for spatially varying power conservation |
JP2005043435A (ja) * | 2003-07-23 | 2005-02-17 | Renesas Technology Corp | 表示駆動制御装置とその駆動方法及び電子機器並びに半導体集積回路 |
US8237386B2 (en) | 2003-08-15 | 2012-08-07 | Apple Inc. | Methods and apparatuses for operating a data processing system |
US7206960B2 (en) * | 2003-08-22 | 2007-04-17 | Hewlett-Packard Development Company, L.P. | Bus clock frequency management based on device load |
US7146519B2 (en) * | 2003-08-22 | 2006-12-05 | Hewlett-Packard Development Company, L.P. | Bus clock frequency management based on device bandwidth characteristics |
US7149913B2 (en) * | 2003-08-22 | 2006-12-12 | Hewlett-Packard Development Company, L.P. | Bus clock frequency management based on characteristics of an application program |
US7200763B2 (en) * | 2003-10-09 | 2007-04-03 | Sun Microsystems, Inc. | Method and apparatus for controlling the power consumption of a semiconductor device |
US20050108591A1 (en) * | 2003-11-13 | 2005-05-19 | Mendelson Geoffrey S. | Method for reduced power consumption |
US7646835B1 (en) | 2003-11-17 | 2010-01-12 | Rozas Guillermo J | Method and system for automatically calibrating intra-cycle timing relationships for sampling signals for an integrated circuit device |
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 |
US7649402B1 (en) | 2003-12-23 | 2010-01-19 | Tien-Min Chen | Feedback-controlled body-bias voltage source |
US7692477B1 (en) | 2003-12-23 | 2010-04-06 | Tien-Min Chen | Precise control component for a substrate potential regulation circuit |
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 |
US7479753B1 (en) | 2004-02-24 | 2009-01-20 | Nvidia Corporation | Fan speed controller |
US7698575B2 (en) * | 2004-03-30 | 2010-04-13 | Intel Corporation | Managing power consumption by requesting an adjustment to an operating point of a processor |
US7437580B2 (en) * | 2004-05-05 | 2008-10-14 | Qualcomm Incorporated | Dynamic voltage scaling system |
US20050249699A1 (en) * | 2004-05-05 | 2005-11-10 | Stoff Jesse A | Immunodynamic complexes and methods for using and preparing such complexes |
EP1600845A1 (en) * | 2004-05-28 | 2005-11-30 | STMicroelectronics Limited | Processor with power saving circuitry |
KR100716730B1 (ko) * | 2004-06-11 | 2007-05-14 | 삼성전자주식회사 | 중앙 처리 장치의 아이들 상태에서의 시스템 전력 소모절감을 위한 방법 및 그 방법을 적용한 모바일 장치 |
US7498750B2 (en) * | 2004-06-21 | 2009-03-03 | Koninklijke Philips Electronics N.V. | Gas discharge lamp driving circuit and method with resonating sweep voltage |
US7596638B2 (en) * | 2004-06-21 | 2009-09-29 | Intel Corporation | Method, system, and apparatus to decrease CPU temperature through I/O bus throttling |
US7562233B1 (en) | 2004-06-22 | 2009-07-14 | Transmeta Corporation | Adaptive control of operating and body bias voltages |
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 |
US7343502B2 (en) * | 2004-07-26 | 2008-03-11 | Intel Corporation | Method and apparatus for dynamic DLL powerdown and memory self-refresh |
US7664970B2 (en) | 2005-12-30 | 2010-02-16 | Intel Corporation | Method and apparatus for a zero voltage processor sleep state |
US7451333B2 (en) * | 2004-09-03 | 2008-11-11 | Intel Corporation | Coordinating idle state transitions in multi-core processors |
US7966511B2 (en) | 2004-07-27 | 2011-06-21 | Intel Corporation | Power management coordination in multi-core processors |
US20060136764A1 (en) * | 2004-12-22 | 2006-06-22 | Munguia Peter R | Methods and apparatus to manage power consumption of a system |
US7739531B1 (en) | 2005-03-04 | 2010-06-15 | Nvidia Corporation | Dynamic voltage scaling |
US7600135B2 (en) * | 2005-04-14 | 2009-10-06 | Mips Technologies, Inc. | Apparatus and method for software specified power management performance using low power virtual threads |
US7760210B2 (en) * | 2005-05-04 | 2010-07-20 | Honeywood Technologies, Llc | White-based power savings |
US7602408B2 (en) | 2005-05-04 | 2009-10-13 | Honeywood Technologies, Llc | Luminance suppression power conservation |
US8374730B2 (en) * | 2005-08-25 | 2013-02-12 | Apple Inc. | Methods and apparatuses for dynamic thermal control |
US7562234B2 (en) * | 2005-08-25 | 2009-07-14 | Apple Inc. | Methods and apparatuses for dynamic power control |
US8253748B1 (en) | 2005-11-29 | 2012-08-28 | Nvidia Corporation | Shader performance registers |
US7809928B1 (en) * | 2005-11-29 | 2010-10-05 | Nvidia Corporation | Generating event signals for performance register control using non-operative instructions |
TWI317468B (en) * | 2006-02-20 | 2009-11-21 | Ite Tech Inc | Method for controlling power consumption and multi-processor system using the same |
US7861068B2 (en) * | 2006-03-07 | 2010-12-28 | Intel Corporation | Method and apparatus for using dynamic workload characteristics to control CPU frequency and voltage scaling |
JP4328334B2 (ja) * | 2006-03-13 | 2009-09-09 | パナソニック株式会社 | 半導体集積回路装置 |
US7574613B2 (en) | 2006-03-14 | 2009-08-11 | Microsoft Corporation | Scaling idle detection metric for power management on computing device |
US7535287B2 (en) * | 2006-06-05 | 2009-05-19 | Sigmatel, Inc. | Semiconductor device and system and method of crystal sharing |
JP4787114B2 (ja) * | 2006-09-26 | 2011-10-05 | 株式会社リコー | リアルタイムクロック装置および該リアルタイムクロック装置を用いた半導体装置ならびに電子機器 |
US20080197914A1 (en) | 2007-02-15 | 2008-08-21 | Daniel Shimizu | Dynamic leakage control using selective back-biasing |
US7861113B2 (en) * | 2007-03-16 | 2010-12-28 | Dot Hill Systems Corporation | Method and apparatus for operating storage controller system in elevated temperature environment |
US9134782B2 (en) | 2007-05-07 | 2015-09-15 | Nvidia Corporation | Maintaining optimum voltage supply to match performance of an integrated circuit |
US20080307240A1 (en) * | 2007-06-08 | 2008-12-11 | Texas Instruments Incorporated | Power management electronic circuits, systems, and methods and processes of manufacture |
FR2919082A1 (fr) * | 2007-07-18 | 2009-01-23 | Wavecom Sa | Procede de gestion de l'execution d'une architecture logicielle d'un circuit de radiocommunication en jouant sur la frequence du processeur, produit programme d'ordinateur et circuit correspondants |
US8725488B2 (en) * | 2007-07-26 | 2014-05-13 | Qualcomm Incorporated | Method and apparatus for adaptive voltage scaling based on instruction usage |
TWI402647B (zh) * | 2007-09-14 | 2013-07-21 | Asustek Comp Inc | 可動態調整電壓及有效節能之電壓控制裝置、方法及電腦裝置 |
US20090113403A1 (en) * | 2007-09-27 | 2009-04-30 | Microsoft Corporation | Replacing no operations with auxiliary code |
US8166326B2 (en) * | 2007-11-08 | 2012-04-24 | International Business Machines Corporation | Managing power consumption in a computer |
US20090132842A1 (en) * | 2007-11-15 | 2009-05-21 | International Business Machines Corporation | Managing Computer Power Consumption In A Computer Equipment Rack |
US8041521B2 (en) * | 2007-11-28 | 2011-10-18 | International Business Machines Corporation | Estimating power consumption of computing components configured in a computing system |
JP4825789B2 (ja) * | 2007-12-27 | 2011-11-30 | 株式会社東芝 | 情報処理装置及び不揮発性半導体メモリドライブ |
US7949888B2 (en) * | 2008-01-07 | 2011-05-24 | Apple Inc. | Forced idle of a data processing system |
US7949889B2 (en) * | 2008-01-07 | 2011-05-24 | Apple Inc. | Forced idle of a data processing system |
US8370663B2 (en) | 2008-02-11 | 2013-02-05 | Nvidia Corporation | Power management with dynamic frequency adjustments |
JP2009200739A (ja) * | 2008-02-20 | 2009-09-03 | Panasonic Corp | 半導体集積回路 |
US20090235108A1 (en) * | 2008-03-11 | 2009-09-17 | Gold Spencer M | Automatic processor overclocking |
US8312299B2 (en) | 2008-03-28 | 2012-11-13 | Packet Digital | Method and apparatus for dynamic power management control using serial bus management protocols |
US8315746B2 (en) | 2008-05-30 | 2012-11-20 | Apple Inc. | Thermal management techniques in an electronic device |
US8028182B2 (en) | 2008-06-04 | 2011-09-27 | Dell Products L.P. | Dynamic CPU voltage regulator phase shedding |
US8103884B2 (en) | 2008-06-25 | 2012-01-24 | International Business Machines Corporation | Managing power consumption of a computer |
US8527795B2 (en) * | 2008-09-30 | 2013-09-03 | International Business Machines Corporation | Changing processor performance from a throttled state during a power supply failure |
US8041976B2 (en) * | 2008-10-01 | 2011-10-18 | International Business Machines Corporation | Power management for clusters of computers |
US8306772B2 (en) | 2008-10-13 | 2012-11-06 | Apple Inc. | Method for estimating temperature at a critical point |
US8514215B2 (en) * | 2008-11-12 | 2013-08-20 | International Business Machines Corporation | Dynamically managing power consumption of a computer with graphics adapter configurations |
JP2010122960A (ja) * | 2008-11-20 | 2010-06-03 | Panasonic Corp | アイドル状態検出回路、半導体集積回路、アイドル状態検出方法 |
US20100148708A1 (en) * | 2008-12-11 | 2010-06-17 | Jorgenson Joel A | Voltage scaling of an electric motor load to reduce power consumption |
JP2011066317A (ja) * | 2009-09-18 | 2011-03-31 | Sony Corp | 半導体装置 |
US8564256B2 (en) * | 2009-11-18 | 2013-10-22 | Silicon Laboratories, Inc. | Circuit devices and methods of providing a regulated power supply |
US9256265B2 (en) | 2009-12-30 | 2016-02-09 | Nvidia Corporation | Method and system for artificially and dynamically limiting the framerate of a graphics processing unit |
US8566619B2 (en) | 2009-12-30 | 2013-10-22 | International Business Machines Corporation | Cooling appliance rating aware data placement |
US9830889B2 (en) | 2009-12-31 | 2017-11-28 | Nvidia Corporation | Methods and system for artifically and dynamically limiting the display resolution of an application |
US8423802B2 (en) | 2010-04-07 | 2013-04-16 | Andes Technology Corporation | Power scaling module and power scaling unit of an electronic system having a function unit in a standby state which is insensitive to change in frequency or voltage during synchronization |
US8612984B2 (en) | 2010-04-28 | 2013-12-17 | International Business Machines Corporation | Energy-aware job scheduling for cluster environments |
US8839006B2 (en) | 2010-05-28 | 2014-09-16 | Nvidia Corporation | Power consumption reduction systems and methods |
US8667308B2 (en) | 2010-06-18 | 2014-03-04 | Apple Inc. | Dynamic voltage dithering |
US20120042313A1 (en) * | 2010-08-13 | 2012-02-16 | Weng-Hang Tam | System having tunable performance, and associated method |
US8756442B2 (en) | 2010-12-16 | 2014-06-17 | Advanced Micro Devices, Inc. | System for processor power limit management |
US9354690B1 (en) | 2011-03-31 | 2016-05-31 | Adtran, Inc. | Systems and methods for adjusting core voltage to optimize power savings |
KR101894282B1 (ko) | 2011-07-29 | 2018-09-03 | 삼성전자 주식회사 | 단말기 온도 제어 방법 및 이를 지원하는 단말기 |
US20130039431A1 (en) * | 2011-08-12 | 2013-02-14 | Electronics And Telecommunications Research Institute | Power-scalable encoding/decoding apparatus and method |
US8575993B2 (en) * | 2011-08-17 | 2013-11-05 | Broadcom Corporation | Integrated circuit with pre-heating for reduced subthreshold leakage |
JP2013157800A (ja) | 2012-01-30 | 2013-08-15 | Renesas Electronics Corp | 半導体集積回路、およびその半導体集積回路の動作方法 |
KR101832821B1 (ko) | 2012-09-10 | 2018-02-27 | 삼성전자주식회사 | 동적 전압 주파수 스케일링 방법, 어플리케이션 프로세서 및 이를 구비하는 모바일 기기 |
CN103019842B (zh) * | 2012-11-29 | 2015-04-01 | 广东欧珀移动通信有限公司 | 后台程序整理方法及系统 |
US8860595B1 (en) * | 2013-04-25 | 2014-10-14 | Fairchild Semiconductor Corporation | Scalable voltage ramp control for power supply systems |
KR101842016B1 (ko) * | 2013-12-10 | 2018-03-28 | 한국전자통신연구원 | 멀티 코어 환경에서의 동적 전력 제어방법 |
US9389863B2 (en) * | 2014-02-10 | 2016-07-12 | Via Alliance Semiconductor Co., Ltd. | Processor that performs approximate computing instructions |
KR102164099B1 (ko) | 2014-03-28 | 2020-10-12 | 삼성전자 주식회사 | 시스템 온 칩, 이의 작동 방법, 및 이를 포함하는 장치 |
US9924463B2 (en) * | 2016-08-29 | 2018-03-20 | Mediatek Singapore Pte. Ltd. | Method, system and apparatus for controlling power consumption of a mobile terminal |
US10289189B2 (en) | 2016-10-31 | 2019-05-14 | Microsoft Technology Licensing, Llc | Usage pattern based supervisory control of power management |
US10078611B1 (en) * | 2017-06-19 | 2018-09-18 | Qualcomm Incorporated | Smart handling of input/output interrupts |
KR102164716B1 (ko) * | 2018-07-19 | 2020-10-14 | 주식회사 다이얼로그 세미컨덕터 코리아 | 전원을 효율적으로 관리하기 위한 소프트웨어 운영 방법 및 이를 이용한 장치 |
JP7399622B2 (ja) * | 2019-03-20 | 2023-12-18 | 株式会社東芝 | 半導体装置及び半導体装置の制御方法 |
TWI775343B (zh) * | 2021-03-09 | 2022-08-21 | 全漢企業股份有限公司 | 電源供應器及其節省功耗的方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4238784A (en) * | 1975-01-23 | 1980-12-09 | Colt Industries Operating Corp. | Electronic measuring system with pulsed power supply and stability sensing |
WO1991000566A1 (en) * | 1989-06-30 | 1991-01-10 | Poqet Computer Corporation | Computer power management system |
CA2045705A1 (en) * | 1990-06-29 | 1991-12-30 | Richard Lee Sites | In-register data manipulation in reduced instruction set processor |
EP0474963A3 (en) * | 1990-09-13 | 1992-04-15 | Kabushiki Kaisha Toshiba | Computer system having sleep mode function |
JPH05119876A (ja) * | 1991-10-25 | 1993-05-18 | Toshiba Corp | 電子装置及びその装置に含まれる集積回路 |
US5254992A (en) * | 1991-10-31 | 1993-10-19 | Fairbanks Inc. | Low power electronic measuring system |
US5369771A (en) * | 1991-12-23 | 1994-11-29 | Dell U.S.A., L.P. | Computer with transparent power-saving manipulation of CPU clock |
JPH05297993A (ja) * | 1992-04-16 | 1993-11-12 | Dia Semikon Syst Kk | マイクロプロセッサの駆動制御装置 |
US5392437A (en) * | 1992-11-06 | 1995-02-21 | Intel Corporation | Method and apparatus for independently stopping and restarting functional units |
EP0632360A1 (en) * | 1993-06-29 | 1995-01-04 | Xerox Corporation | Reducing computer power consumption by dynamic voltage and frequency variation |
US5546568A (en) * | 1993-12-29 | 1996-08-13 | Intel Corporation | CPU clock control unit |
-
1995
- 1995-09-29 US US08/537,146 patent/US5745375A/en not_active Expired - Lifetime
- 1995-11-28 US US08/563,493 patent/US5825674A/en not_active Expired - Lifetime
-
1996
- 1996-09-09 TW TW085110998A patent/TW330258B/zh not_active IP Right Cessation
- 1996-09-26 DE DE69629123T patent/DE69629123T2/de not_active Expired - Lifetime
- 1996-09-26 AU AU72472/96A patent/AU7247296A/en not_active Abandoned
- 1996-09-26 JP JP51365897A patent/JP3419784B2/ja not_active Expired - Fee Related
- 1996-09-26 EP EP96933920A patent/EP0858634B1/en not_active Expired - Lifetime
- 1996-09-26 WO PCT/US1996/015485 patent/WO1997012329A1/en active IP Right Grant
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7206949B2 (en) | 2003-03-18 | 2007-04-17 | Matsushita Electric Industrial Co., Ltd. | System and method for controlling a clock oscillator and power supply voltage based on the energy consumed for processing a predetermined amount of data |
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US8095818B2 (en) | 2004-12-21 | 2012-01-10 | Packet Digital | Method and apparatus for on-demand power management |
JP2008524744A (ja) * | 2004-12-21 | 2008-07-10 | パケット ディジタル | オンデマンド電力管理の方法及び機器 |
US8020015B2 (en) | 2004-12-21 | 2011-09-13 | Packet Digital | Method and apparatus for on-demand power management |
JP2008541269A (ja) * | 2005-05-10 | 2008-11-20 | インテル・コーポレーション | 温度に基づく適応周波数境界制御 |
JP2010522403A (ja) * | 2007-03-29 | 2010-07-01 | インテル・コーポレーション | 動的な電力の低減 |
JP4886895B2 (ja) * | 2007-03-29 | 2012-02-29 | インテル・コーポレーション | 動的な電力の低減 |
JP2011100449A (ja) * | 2009-11-06 | 2011-05-19 | Samsung Electronics Co Ltd | 動的電圧周波数スケーリング方法 |
JP2013516710A (ja) * | 2010-01-11 | 2013-05-13 | クアルコム,インコーポレイテッド | 中央処理装置内のデータをサンプリングするシステムおよび方法 |
US8890362B2 (en) | 2010-04-21 | 2014-11-18 | Fujitsu Limited | Semiconductor device |
JP2017162487A (ja) * | 2014-02-10 | 2017-09-14 | ヴィア アライアンス セミコンダクター カンパニー リミテッド | 過度の近似計算誤差から回復するプロセッサ |
CN107407942A (zh) * | 2015-03-30 | 2017-11-28 | 苹果公司 | 欠电压检测和性能调节 |
Also Published As
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WO1997012329A1 (en) | 1997-04-03 |
DE69629123T2 (de) | 2004-04-22 |
JP3419784B2 (ja) | 2003-06-23 |
EP0858634B1 (en) | 2003-07-16 |
TW330258B (en) | 1998-04-21 |
AU7247296A (en) | 1997-04-17 |
US5825674A (en) | 1998-10-20 |
DE69629123D1 (de) | 2003-08-21 |
EP0858634A1 (en) | 1998-08-19 |
US5745375A (en) | 1998-04-28 |
EP0858634A4 (en) | 1999-08-25 |
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