JP4564966B2 - 電力節約方法及びシステム - Google Patents
電力節約方法及びシステム Download PDFInfo
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- JP4564966B2 JP4564966B2 JP2006542070A JP2006542070A JP4564966B2 JP 4564966 B2 JP4564966 B2 JP 4564966B2 JP 2006542070 A JP2006542070 A JP 2006542070A JP 2006542070 A JP2006542070 A JP 2006542070A JP 4564966 B2 JP4564966 B2 JP 4564966B2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0656—Data buffering arrangements
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
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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
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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
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3215—Monitoring of peripheral devices
- G06F1/3221—Monitoring of peripheral devices of disk drive devices
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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
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3215—Monitoring of peripheral devices
- G06F1/3225—Monitoring of peripheral devices of memory devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0625—Power saving in storage systems
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0674—Disk device
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers
- G11B2020/10629—Data buffering arrangements, e.g. recording or playback buffers the buffer having a specific structure
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers
- G11B2020/10675—Data buffering arrangements, e.g. recording or playback buffers aspects of buffer control
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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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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Power Sources (AREA)
- Memory System Of A Hierarchy Structure (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Separation By Low-Temperature Treatments (AREA)
Description
・HDD21又は光学ビットエンジン
・SDRAMスケジューリングバッファ22
・オーディオ/ビデオストリーム24のビットレート。
Claims (13)
- 大容量記憶装置及びバッファメモリを有するサブシステムを有する機器の総消費電力を適切に最小化する方法であって、前記バッファメモリへの及び/又は前記バッファメモリからの所与のストリーミングビットレートに対して前記サブシステムの消費電力が最小になるための最適バッファサイズを決定するステップと、前記サブシステムの消費電力が最小になるように前記バッファメモリのバッファサイズを前記最適バッファサイズに調整するステップとを有する方法。
- バッファサイズを調節する前記ステップは、前記バッファメモリのサイズを大きくするために、前記バッファメモリのメモリIC及び/又はメモリバンクのスイッチをオンにするステップと、前記バッファメモリを小さくするために、メモリIC及び/又はメモリバンクのスイッチをオフにするステップとを有する請求項1に記載の方法。
- 最適なバッファサイズを決定する前記ステップは、ハードディスクドライブデータレートを決定するステップと、バッファメモリへの及び/又はバッファメモリからのストリームビットレートを決定するステップと、決定されたストリームビットレートにおいて消費電力が最小となる最適バッファサイズを決定するステップとを有する前記記憶装置がハードディスクドライブである請求項1又は2に記載の方法。
- 前記最適バッファサイズ決定ステップは、最適バッファサイズを計算式から計算するステップ、参照テーブルにおいて最適バッファサイズを調べるステップ、またはフィードバックループでのバッファサイズ制御において前記サブシステムの前記最小消費電力を測定するステップ、を有する請求項3に記載の方法。
- バッファメモリの最適値が、ハードディスクドライブの消費電力の計算/見積もりをするためにハードディスクドライブの動作サイクルを与えるディスクビットレートとストリームビットレートとの比率により決定され、続いて最適バッファサイズが決定される請求項1乃至4の何れか一項に記載の方法。
- 新たなストリームが許可された際に、メモリIC及び/又は外部のメモリバンクを起動する、請求項1乃至5の何れか一項に記載の方法。
- ストリームが停止されたり除去されたりしたときに、IC若しくはメモリバンクのパワーダウンが遅れる、またはIC若しくはメモリバンクにバッファリングされたデータがパワーオンの状態である別のメモリバンクに移動されて、移動後すぐに最初のバンクがシャットダウンされる請求項1乃至5の何れか一項に記載の方法。
- 多重同時ストリームの場合には全ストリームのビットレートの和が決定される請求項1乃至7の何れか一項に記載の方法。
- 大容量記憶装置からプロセスユニットを有するバッファメモリを介してデータを取り出す回路であって、前記バッファメモリへの及び/又は前記バッファメモリからの所与のストリーミングレートに対して、前記記憶装置と前記バッファメモリとを有するサブシステムの総消費電力を最小にするように、前記バッファメモリの領域を適切に作動または停止し、前記大容量記憶装置からデータを取り出す回路。
- 大容量記憶装置、バッファメモリ及び請求項9に記載の回路を有するサブシステムを有する機器。
- 前記バッファメモリが独立してスイッチをオン/オフするように適応されたメモリのバンクを持つSDRAM回路を有する、請求項10に記載の機器。
- 前記プロセスユニットにより実行可能なスケジューラ機能部が前記記憶装置及び前記バッファメモリへのアクセスを制御する、請求項10又は11に記載の機器。
- コンピュータにより処理されるコンピュータプログラムを担持するコンピュータ可読媒体であって、コンピュータプログラムは大容量記憶装置及びバッファメモリを有するサブシステムの総消費電力を適切に最小化するためのコードセグメントを有し、第一のコードセグメントは前記バッファメモリからの所与のストリーミングビットレートに対し前記サブシステムの消費電力が最小になる最適バッファサイズを決定し、第二のコードセグメントは前記サブシステムの消費電力が最小になるように前記バッファメモリのバッファサイズを前記最適バッファサイズに調整する、コンピュータ可読媒体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03104522 | 2003-12-03 | ||
PCT/IB2004/052506 WO2005055226A1 (en) | 2003-12-03 | 2004-11-22 | Power saving method and system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007514260A JP2007514260A (ja) | 2007-05-31 |
JP4564966B2 true JP4564966B2 (ja) | 2010-10-20 |
Family
ID=34639320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006542070A Expired - Fee Related JP4564966B2 (ja) | 2003-12-03 | 2004-11-22 | 電力節約方法及びシステム |
Country Status (9)
Country | Link |
---|---|
US (1) | US7702940B2 (ja) |
EP (1) | EP1730622B1 (ja) |
JP (1) | JP4564966B2 (ja) |
KR (1) | KR101101383B1 (ja) |
CN (1) | CN1890736B (ja) |
AT (1) | ATE426852T1 (ja) |
DE (1) | DE602004020271D1 (ja) |
ES (1) | ES2322271T3 (ja) |
WO (1) | WO2005055226A1 (ja) |
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WO2007107938A1 (en) * | 2006-03-22 | 2007-09-27 | Koninklijke Philips Electronics N.V. | A device and a method for saving energy by sharing a buffer |
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JP4165575B2 (ja) * | 2006-04-18 | 2008-10-15 | コニカミノルタビジネステクノロジーズ株式会社 | 画像処理装置および画像データ記憶方法 |
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JP4232121B2 (ja) * | 2006-12-28 | 2009-03-04 | ソニー株式会社 | 情報処理装置および方法、プログラム、並びに記録媒体 |
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JP5939582B2 (ja) | 2013-08-22 | 2016-06-22 | 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International Business Machines Corporation | テープドライブのバッファの消費電力の低減 |
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2004
- 2004-11-22 JP JP2006542070A patent/JP4564966B2/ja not_active Expired - Fee Related
- 2004-11-22 ES ES04799209T patent/ES2322271T3/es active Active
- 2004-11-22 KR KR1020067010799A patent/KR101101383B1/ko active IP Right Grant
- 2004-11-22 WO PCT/IB2004/052506 patent/WO2005055226A1/en active Application Filing
- 2004-11-22 AT AT04799209T patent/ATE426852T1/de not_active IP Right Cessation
- 2004-11-22 US US10/581,117 patent/US7702940B2/en not_active Expired - Fee Related
- 2004-11-22 EP EP04799209A patent/EP1730622B1/en not_active Not-in-force
- 2004-11-22 DE DE602004020271T patent/DE602004020271D1/de active Active
- 2004-11-22 CN CN2004800359377A patent/CN1890736B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20070204124A1 (en) | 2007-08-30 |
DE602004020271D1 (de) | 2009-05-07 |
EP1730622B1 (en) | 2009-03-25 |
ATE426852T1 (de) | 2009-04-15 |
EP1730622A1 (en) | 2006-12-13 |
CN1890736B (zh) | 2011-02-02 |
ES2322271T3 (es) | 2009-06-18 |
JP2007514260A (ja) | 2007-05-31 |
US7702940B2 (en) | 2010-04-20 |
WO2005055226A1 (en) | 2005-06-16 |
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CN1890736A (zh) | 2007-01-03 |
KR20060134945A (ko) | 2006-12-28 |
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