WO2008120274A1 - 演算能力を制御する処理装置 - Google Patents

演算能力を制御する処理装置 Download PDF

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Publication number
WO2008120274A1
WO2008120274A1 PCT/JP2007/000328 JP2007000328W WO2008120274A1 WO 2008120274 A1 WO2008120274 A1 WO 2008120274A1 JP 2007000328 W JP2007000328 W JP 2007000328W WO 2008120274 A1 WO2008120274 A1 WO 2008120274A1
Authority
WO
WIPO (PCT)
Prior art keywords
processor
arithmetic capacity
controlling arithmetic
restriction
capacity
Prior art date
Application number
PCT/JP2007/000328
Other languages
English (en)
French (fr)
Inventor
Atsushi Mori
Original Assignee
Fujitsu Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Limited filed Critical Fujitsu Limited
Priority to PCT/JP2007/000328 priority Critical patent/WO2008120274A1/ja
Publication of WO2008120274A1 publication Critical patent/WO2008120274A1/ja

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
    • 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
    • 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
    • G06F1/325—Power saving in peripheral device
    • G06F1/3275—Power saving in memory, e.g. RAM, cache
    • 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)
  • Advance Control (AREA)

Abstract

　コンピュータのメモリ性能に関する情報を取得し、その情報を閾値と比較することで、処理装置がメモリ性能に依存する制約状態であるか否かが判定される。そして、処理装置が制約状態であると判定されたとき、処理装置の演算能力を下げる制御が行われる。
PCT/JP2007/000328 2007-03-29 2007-03-29 演算能力を制御する処理装置 WO2008120274A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/000328 WO2008120274A1 (ja) 2007-03-29 2007-03-29 演算能力を制御する処理装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/000328 WO2008120274A1 (ja) 2007-03-29 2007-03-29 演算能力を制御する処理装置

Publications (1)

Publication Number Publication Date
WO2008120274A1 true WO2008120274A1 (ja) 2008-10-09

Family

ID=39807867

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/000328 WO2008120274A1 (ja) 2007-03-29 2007-03-29 演算能力を制御する処理装置

Country Status (1)

Country Link
WO (1) WO2008120274A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112020007310T5 (de) 2020-06-08 2023-06-15 Mitsubishi Electric Corporation Informations-verarbeitungssystem und steuerungsverfahren für eininformations-verarbeitungssystem

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10312222A (ja) * 1997-05-13 1998-11-24 Seiko Epson Corp マイクロコンピュータ及び電子機器
JPH11353052A (ja) * 1998-05-20 1999-12-24 Internatl Business Mach Corp <Ibm> コンピュータ内のプロセッサの動作速度制御方法及びコンピュータ
JP2004038291A (ja) * 2002-06-28 2004-02-05 Toshiba Corp クロック周波数の制御方法および電子機器
JP2005196430A (ja) * 2004-01-07 2005-07-21 Hiroshi Nakamura 半導体装置および半導体装置の電源電圧／クロック周波数制御方法
JP2006059068A (ja) * 2004-08-19 2006-03-02 Matsushita Electric Ind Co Ltd プロセッサ装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10312222A (ja) * 1997-05-13 1998-11-24 Seiko Epson Corp マイクロコンピュータ及び電子機器
JPH11353052A (ja) * 1998-05-20 1999-12-24 Internatl Business Mach Corp <Ibm> コンピュータ内のプロセッサの動作速度制御方法及びコンピュータ
JP2004038291A (ja) * 2002-06-28 2004-02-05 Toshiba Corp クロック周波数の制御方法および電子機器
JP2005196430A (ja) * 2004-01-07 2005-07-21 Hiroshi Nakamura 半導体装置および半導体装置の電源電圧／クロック周波数制御方法
JP2006059068A (ja) * 2004-08-19 2006-03-02 Matsushita Electric Ind Co Ltd プロセッサ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112020007310T5 (de) 2020-06-08 2023-06-15 Mitsubishi Electric Corporation Informations-verarbeitungssystem und steuerungsverfahren für eininformations-verarbeitungssystem

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