BR112012014308A2 - sistema e método para controlar a energia de unidade de processamento central com base em paralelismo de carca de trabalho inferido - Google Patents

sistema e método para controlar a energia de unidade de processamento central com base em paralelismo de carca de trabalho inferido

Info

Publication number
BR112012014308A2
BR112012014308A2 BR112012014308A BR112012014308A BR112012014308A2 BR 112012014308 A2 BR112012014308 A2 BR 112012014308A2 BR 112012014308 A BR112012014308 A BR 112012014308A BR 112012014308 A BR112012014308 A BR 112012014308A BR 112012014308 A2 BR112012014308 A2 BR 112012014308A2
Authority
BR
Brazil
Prior art keywords
parallelism
active condition
inferred
equal
processing unit
Prior art date
Application number
BR112012014308A
Other languages
English (en)
Other versions
BR112012014308B1 (pt
Inventor
Ali Iranli
Bohuslav Rychlik
Brian J Salsbery
Robert A Glenn
Steven S Thomson
Sumit Sur
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112012014308A2 publication Critical patent/BR112012014308A2/pt
Publication of BR112012014308B1 publication Critical patent/BR112012014308B1/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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 OR CALCULATING; 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
    • G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • 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)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Power Sources (AREA)

Abstract

sistema e método para controlar a energia de unidade de processamento central com base em paralelismo de carga de trabalho inferido. um método de controle dinâmico de energia dentro de uma cpu de múltiplos núcleos é descrito e pode incluir o recebimento de um grau de paralelismo em uma carga de trabalho de um núcleo zero e determinando se o grau de paralelismo na carga de trabalho do núcleo zero é igual a uma primeira condição ativa. adicionamene, o método pode incluir a determinação de uma duração de tempo para a qual a primeira condição ativa é correspondida quando grau de paralelismo na carga de trabalho do núcleo zero é igual à primeira condição ativa e determinando se a duração de tempo é igual a uma primeira condição ativa confirma. o método também pode incluir a invocação de um sistema operacional para energizar um primeiro núcleo quando a duração de tempo é igual à primeira condição ativa confirmada.
BR112012014308-5A 2009-12-16 2010-11-24 método para controle de energia de unidade de processamento central, dispositivo sem fio e memória legível por computador BR112012014308B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US28695309P 2009-12-16 2009-12-16
US61/286,953 2009-12-16
US12/944,140 US9563250B2 (en) 2009-12-16 2010-11-11 System and method for controlling central processing unit power based on inferred workload parallelism
US12/944,140 2010-11-11
PCT/US2010/058075 WO2011084260A1 (en) 2009-12-16 2010-11-24 System and method for controlling central processing unit power based on inferred workload parallelism

Publications (2)

Publication Number Publication Date
BR112012014308A2 true BR112012014308A2 (pt) 2016-07-05
BR112012014308B1 BR112012014308B1 (pt) 2021-01-19

Family

ID=44144255

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012014308-5A BR112012014308B1 (pt) 2009-12-16 2010-11-24 método para controle de energia de unidade de processamento central, dispositivo sem fio e memória legível por computador

Country Status (7)

Country Link
US (1) US9563250B2 (pt)
EP (1) EP2513745B1 (pt)
JP (1) JP5893568B2 (pt)
KR (1) KR101409055B1 (pt)
CN (1) CN102656539B (pt)
BR (1) BR112012014308B1 (pt)
WO (1) WO2011084260A1 (pt)

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BR112012014308B1 (pt) 2021-01-19
US20110145615A1 (en) 2011-06-16
KR20120105523A (ko) 2012-09-25
US9563250B2 (en) 2017-02-07
JP5893568B2 (ja) 2016-03-23
KR101409055B1 (ko) 2014-07-02
EP2513745B1 (en) 2018-04-04
CN102656539B (zh) 2015-09-09
WO2011084260A1 (en) 2011-07-14
EP2513745A1 (en) 2012-10-24
JP2013513891A (ja) 2013-04-22

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