GB2321544B - Concurrently executing multiple threads containing data dependent instructions - Google Patents

Concurrently executing multiple threads containing data dependent instructions

Info

Publication number
GB2321544B
GB2321544B GB9724351A GB9724351A GB2321544B GB 2321544 B GB2321544 B GB 2321544B GB 9724351 A GB9724351 A GB 9724351A GB 9724351 A GB9724351 A GB 9724351A GB 2321544 B GB2321544 B GB 2321544B
Authority
GB
United Kingdom
Prior art keywords
containing data
multiple threads
dependent instructions
data dependent
executing multiple
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9724351A
Other versions
GB2321544A (en
GB9724351D0 (en
Inventor
James Allan Kahle
Soummya Mallick
Robert G Mcdonald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB9724351D0 publication Critical patent/GB9724351D0/en
Publication of GB2321544A publication Critical patent/GB2321544A/en
Application granted granted Critical
Publication of GB2321544B publication Critical patent/GB2321544B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/48—Program initiating; Program switching, e.g. by interrupt
    • G06F9/4806—Task transfer initiation or dispatching
    • G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
    • G06F9/4881—Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/30076—Arrangements for executing specific machine instructions to perform miscellaneous control operations, e.g. NOP
    • G06F9/30087—Synchronisation or serialisation instructions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/30076—Arrangements for executing specific machine instructions to perform miscellaneous control operations, e.g. NOP
    • G06F9/3009—Thread control instructions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline, look ahead
    • G06F9/3824—Operand accessing
    • G06F9/3834—Maintaining memory consistency
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline, look ahead
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
    • G06F9/3851—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution from multiple instruction streams, e.g. multistreaming
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/52—Program synchronisation; Mutual exclusion, e.g. by means of semaphores
GB9724351A 1996-12-16 1997-11-19 Concurrently executing multiple threads containing data dependent instructions Expired - Fee Related GB2321544B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76748996A 1996-12-16 1996-12-16

Publications (3)

Publication Number Publication Date
GB9724351D0 GB9724351D0 (en) 1998-01-14
GB2321544A GB2321544A (en) 1998-07-29
GB2321544B true GB2321544B (en) 2001-08-01

Family

ID=25079654

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9724351A Expired - Fee Related GB2321544B (en) 1996-12-16 1997-11-19 Concurrently executing multiple threads containing data dependent instructions

Country Status (1)

Country Link
GB (1) GB2321544B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6353881B1 (en) 1999-05-17 2002-03-05 Sun Microsystems, Inc. Supporting space-time dimensional program execution by selectively versioning memory updates
EP1188114B1 (en) * 1999-05-17 2008-07-23 Sun Microsystems, Inc. Dynamic handling of object versions to support space and time dimensional program execution
US6430649B1 (en) * 1999-06-07 2002-08-06 Sun Microsystems, Inc. Method and apparatus for enforcing memory reference dependencies through a load store unit
US6915395B1 (en) * 2000-05-03 2005-07-05 Sun Microsystems, Inc. Active address content addressable memory
US6721944B2 (en) 2000-05-31 2004-04-13 Sun Microsystems, Inc. Marking memory elements based upon usage of accessed information during speculative execution
US6684398B2 (en) 2000-05-31 2004-01-27 Sun Microsystems, Inc. Monitor entry and exit for a speculative thread during space and time dimensional execution
US8028132B2 (en) * 2001-12-12 2011-09-27 Telefonaktiebolaget Lm Ericsson (Publ) Collision handling apparatus and method
US7174551B2 (en) 2002-05-20 2007-02-06 International Business Machines Corporation Multiple task wait system for use in a data warehouse environment
US7548989B2 (en) 2003-07-01 2009-06-16 International Business Machines Corporation Method and system for maintaining consistency during multi-threaded processing of LDIF data
GB0715000D0 (en) * 2007-07-31 2007-09-12 Symbian Software Ltd Command synchronisation
US20100031268A1 (en) * 2008-07-31 2010-02-04 Dwyer Michael K Thread ordering techniques

Also Published As

Publication number Publication date
GB2321544A (en) 1998-07-29
GB9724351D0 (en) 1998-01-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20061119