WO2007017394A3 - Method and device for defining a start condition in a computer system comprising at least two execution units, by taking over the start condition - Google Patents

Method and device for defining a start condition in a computer system comprising at least two execution units, by taking over the start condition Download PDF

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Publication number
WO2007017394A3
WO2007017394A3 PCT/EP2006/064721 EP2006064721W WO2007017394A3 WO 2007017394 A3 WO2007017394 A3 WO 2007017394A3 EP 2006064721 W EP2006064721 W EP 2006064721W WO 2007017394 A3 WO2007017394 A3 WO 2007017394A3
Authority
WO
WIPO (PCT)
Prior art keywords
start condition
defining
computer system
execution units
taking over
Prior art date
Application number
PCT/EP2006/064721
Other languages
German (de)
French (fr)
Other versions
WO2007017394A2 (en
Inventor
Reinhard Weiberle
Bernd Mueller
Eberhard Boehl
Yorck Collani
Rainer Gmehlich
Original Assignee
Bosch Gmbh Robert
Reinhard Weiberle
Bernd Mueller
Eberhard Boehl
Yorck Collani
Rainer Gmehlich
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 Bosch Gmbh Robert, Reinhard Weiberle, Bernd Mueller, Eberhard Boehl, Yorck Collani, Rainer Gmehlich filed Critical Bosch Gmbh Robert
Publication of WO2007017394A2 publication Critical patent/WO2007017394A2/en
Publication of WO2007017394A3 publication Critical patent/WO2007017394A3/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1658—Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1675—Temporal synchronisation or re-synchronisation of redundant processing components
    • G06F11/1683—Temporal synchronisation or re-synchronisation of redundant processing components at instruction level
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/845—Systems in which the redundancy can be transformed in increased performance

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Hardware Redundancy (AREA)
  • Debugging And Monitoring (AREA)

Abstract

The invention relates to a method for defining a start condition in a computer system comprising at least two execution units. According to said method, a first execution unit switches between a performance mode and a comparison mode, thereby creating a start condition for the comparison mode. The invention is characterised in that the second execution unit takes over the start condition created by the first execution unit in order to create the start condition.
PCT/EP2006/064721 2005-08-08 2006-07-27 Method and device for defining a start condition in a computer system comprising at least two execution units, by taking over the start condition WO2007017394A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005037258.9 2005-08-08
DE200510037258 DE102005037258A1 (en) 2005-08-08 2005-08-08 Method and device for determining a start state in a computer system having at least two execution units by adopting the start state

Publications (2)

Publication Number Publication Date
WO2007017394A2 WO2007017394A2 (en) 2007-02-15
WO2007017394A3 true WO2007017394A3 (en) 2007-04-26

Family

ID=37596207

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/064721 WO2007017394A2 (en) 2005-08-08 2006-07-27 Method and device for defining a start condition in a computer system comprising at least two execution units, by taking over the start condition

Country Status (2)

Country Link
DE (1) DE102005037258A1 (en)
WO (1) WO2007017394A2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6615366B1 (en) * 1999-12-21 2003-09-02 Intel Corporation Microprocessor with dual execution core operable in high reliability mode
US20040006722A1 (en) * 2002-07-03 2004-01-08 Safford Kevin David Method and apparatus for recovery from loss of lock step

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6615366B1 (en) * 1999-12-21 2003-09-02 Intel Corporation Microprocessor with dual execution core operable in high reliability mode
US20040006722A1 (en) * 2002-07-03 2004-01-08 Safford Kevin David Method and apparatus for recovery from loss of lock step

Also Published As

Publication number Publication date
DE102005037258A1 (en) 2007-02-15
WO2007017394A2 (en) 2007-02-15

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