JP5676638B2 - 高効率且つリアルタイムでプラットフォーム電力管理アーキテクチャを実行する装置 - Google Patents
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- 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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- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
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- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
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- G—PHYSICS
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- 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
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- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
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- G—PHYSICS
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- 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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- 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
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Description
本願は、先に出願され、参照により本願に組み込まれる米国仮特許出願第61/335,153号(出願日:2009年12月31日)の出願日を優先日と主張する。
Claims (18)
- 電力管理フレームワークを持つオペレーティングシステム(OS)を実行する1以上のプロセッサコアと、
電力管理ユニット(PMU)と、
前記PMUに結合されており、前記PMUと複数のデバイスとの間で電力状態メッセージのやり取りを双方向で行い、異なる複数のデバイスからの電力要求メッセージを処理する直接電力管理インターフェース(DPMI)と、
を備え、
前記PMUは、前記複数のデバイスに供給される電力の量を制御し、
前記PMUは、前記DPMIの電力状態イベントよりも優先度の高い前記OSの電力管理フレームワークからの電力状態イベント(OSPM電力状態イベント)があるか否かを決定し、
前記PMUは、前記DPMIの電力状態イベントよりも優先度の高い前記OSPM電力状態イベントがある場合、前記OSPM電力状態イベントを満足させ、前記DPMIの電力状態イベントよりも優先度の高い前記OSPM電力状態イベントがない場合、前記DPMIの電力状態イベントのための集積化電圧レギュレータ(IVR)の動作を決定し、
前記PMUは、前記OSの前記電力管理フレームワークの外部で電力状態の変更を実行可能であり、
前記複数のデバイスは、入出力インターフェースを介して前記PMUに結合されている複数の外部デバイスを含む、
装置。 - 前記直接電力管理インターフェースは、前記複数のデバイスからの前記電力要求メッセージを処理するロジックを有する請求項1に記載の装置。
- 前記電力要求は、電力の低減を求める要求を含む請求項2に記載の装置。
- 前記直接電力管理インターフェースを前記複数のデバイスに通信可能にリンクさせる内部バスを備える請求項2又は3に記載の装置。
- 前記複数のデバイスは、前記PMUを含むチップ上の複数の内部デバイスを含む請求項1から4のいずれか1項に記載の装置。
- 前記1以上のプロセッサコアを含むチップ上の複数の内部電圧レギュレータを備える請求項1から5のいずれか1項に記載の装置。
- 前記複数のデバイスはそれぞれ、1以上の内部電圧レギュレータが対応付けられている請求項6に記載の装置。
- 電力状態の変更を実行する電力管理フレームワークを持つオペレーティングシステム(OS)を実行する1以上のプロセッサコアと、
電力管理ユニット(PMU)と、
前記PMUに結合されており、前記PMUと複数のデバイスとの間で電力状態メッセージのやり取りを双方向で行い、異なる複数のデバイスからの電力要求メッセージを処理する直接電力管理インターフェース(DPMI)と、
を備え、
前記PMUは、前記複数のデバイスに供給される電力の量を制御し、
前記複数のデバイスは、入出力インターフェースを介して前記PMUに結合されている複数の外部デバイスを含み、
前記PMUは、前記DPMIの電力状態イベントよりも優先度の高い前記OSの電力管理フレームワークからの電力状態イベント(OSPM電力状態イベント)があるか否かを決定し、
前記PMUは、前記DPMIの電力状態イベントよりも優先度の高い前記OSPM電力状態イベントがある場合、前記OSPM電力状態イベントを満足させ、前記DPMIの電力状態イベントよりも優先度の高い前記OSPM電力状態イベントがない場合、前記DPMIの電力状態イベントのための集積化電圧レギュレータ(IVR)の動作を決定し、
前記PMUは、前記OSの前記電力管理フレームワークの外部で電力状態の変更を実行可能である、
コンピューティングプラットフォーム。 - 前記直接電力管理インターフェースは、前記複数のデバイスからの前記電力要求メッセージを処理するロジックを有する請求項8に記載のコンピューティングプラットフォーム。
- 前記電力要求は、電力を低減することを求める要求を含む請求項9に記載のコンピューティングプラットフォーム。
- 前記直接電力管理インターフェースを前記複数のデバイスに通信可能にリンクさせる内部バスを備える請求項9又は10に記載のコンピューティングプラットフォーム。
- 前記複数のデバイスは、前記PMUを含むチップ上の複数の内部デバイスを含む請求項8から11のいずれか1項に記載のコンピューティングプラットフォーム。
- 前記1以上のプロセッサコアを含むチップ上の複数の内部電圧レギュレータを備える請求項8から12のいずれか1項に記載のコンピューティングプラットフォーム。
- 前記複数のデバイスはそれぞれ、1以上の内部電圧レギュレータが対応付けられている請求項13に記載のコンピューティングプラットフォーム。
- 前記1以上のプロセッシングコア、前記PMUおよび前記直接電力管理インターフェースは、システムオンチップの一部である請求項8から14のいずれか1項に記載のコンピューティングプラットフォーム。
- 電力管理フレームワークを持つオペレーティングシステム(OS)を実行するプロセッサを備える装置であって、
前記電力管理フレームワークは、前記プロセッサについて、および、前記プロセッサに結合されている複数のデバイスについて電力状態の変更を実行し、
前記装置はさらに、
前記複数のデバイスに提供する電力を制御する電力管理ユニット(PMU)と、
前記PMUと前記複数のデバイスとの間に、前記複数のデバイスからの電力要求を処理し、前記PMUと複数のデバイスとの間で電力状態メッセージのやり取りを双方向で行うべく結合されている電力管理インターフェースと、
を備え、
前記複数のデバイスは、入出力インターフェースを介して前記PMUに結合されている複数の外部デバイスを含み、
前記PMUは、前記電力管理インターフェースの電力状態イベントよりも優先度の高い前記OSの電力管理フレームワークからの電力状態イベント(OSPM電力状態イベント)があるか否かを決定し、
前記PMUは、前記電力管理インターフェースの電力状態イベントよりも優先度の高い前記OSPM電力状態イベントがある場合、前記OSPM電力状態イベントを満足させ、前記電力管理インターフェースの電力状態イベントよりも優先度の高い前記OSPM電力状態イベントがない場合、前記電力管理インターフェースの電力状態イベントのための集積化電圧レギュレータ(IVR)の動作を決定し、
前記PMUは、前記OSの前記電力管理フレームワークの外部で電力状態の変更を実行可能である、
装置。 - 前記電力を前記複数のデバイスに供給する複数の内部電圧レギュレータを備える請求項16に記載の装置。
- 前記PMUは、前記複数のデバイスに供給される電力を管理する電力管理ポリシーを有する請求項16又は17に記載の装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33515309P | 2009-12-31 | 2009-12-31 | |
US61/335,153 | 2009-12-31 | ||
US12/724,084 | 2010-03-15 | ||
US12/724,084 US8990591B2 (en) | 2009-12-31 | 2010-03-15 | Power management system for selectively changing the power state of devices using an OS power management framework and non-OS power management framework |
PCT/US2010/059812 WO2011081839A2 (en) | 2009-12-31 | 2010-12-10 | Apparatus for high efficient real-time platform power management architecture |
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JP2014262974A Division JP6010822B2 (ja) | 2009-12-31 | 2014-12-25 | 高効率且つリアルタイムでプラットフォーム電力管理アーキテクチャを実行する装置 |
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JP5676638B2 true JP5676638B2 (ja) | 2015-02-25 |
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JP2014262974A Active JP6010822B2 (ja) | 2009-12-31 | 2014-12-25 | 高効率且つリアルタイムでプラットフォーム電力管理アーキテクチャを実行する装置 |
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US (1) | US8990591B2 (ja) |
EP (1) | EP2519886B1 (ja) |
JP (2) | JP5676638B2 (ja) |
KR (1) | KR101421853B1 (ja) |
CN (1) | CN102473146B (ja) |
BR (1) | BRPI1010230A2 (ja) |
RU (1) | RU2507561C2 (ja) |
TW (1) | TWI529522B (ja) |
WO (1) | WO2011081839A2 (ja) |
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KR20120095442A (ko) | 2012-08-28 |
EP2519886A2 (en) | 2012-11-07 |
TWI529522B (zh) | 2016-04-11 |
JP2015092386A (ja) | 2015-05-14 |
US8990591B2 (en) | 2015-03-24 |
JP2013513190A (ja) | 2013-04-18 |
US20110161683A1 (en) | 2011-06-30 |
RU2507561C2 (ru) | 2014-02-20 |
WO2011081839A3 (en) | 2011-10-20 |
BRPI1010230A2 (pt) | 2016-03-22 |
JP6010822B2 (ja) | 2016-10-19 |
TW201135439A (en) | 2011-10-16 |
EP2519886A4 (en) | 2015-03-04 |
CN102473146B (zh) | 2016-01-20 |
EP2519886B1 (en) | 2017-08-16 |
RU2011153305A (ru) | 2013-07-10 |
CN102473146A (zh) | 2012-05-23 |
WO2011081839A2 (en) | 2011-07-07 |
KR101421853B1 (ko) | 2014-07-24 |
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