GB2537523B - Multimode variable length execution pipeline - Google Patents

Multimode variable length execution pipeline

Info

Publication number
GB2537523B
GB2537523B GB1608807.2A GB201608807A GB2537523B GB 2537523 B GB2537523 B GB 2537523B GB 201608807 A GB201608807 A GB 201608807A GB 2537523 B GB2537523 B GB 2537523B
Authority
GB
United Kingdom
Prior art keywords
variable length
execution pipeline
length execution
multimode variable
multimode
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.)
Active
Application number
GB1608807.2A
Other versions
GB2537523A (en
GB201608807D0 (en
Inventor
Rarick Leonard
Veith Kristie
Manoukian Manouk
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.)
Imagination Technologies Ltd
Original Assignee
Imagination Technologies Ltd
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
Priority claimed from US14/502,689 external-priority patent/US9558002B2/en
Application filed by Imagination Technologies Ltd filed Critical Imagination Technologies Ltd
Publication of GB201608807D0 publication Critical patent/GB201608807D0/en
Publication of GB2537523A publication Critical patent/GB2537523A/en
Application granted granted Critical
Publication of GB2537523B publication Critical patent/GB2537523B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3867—Concurrent instruction execution, e.g. pipeline or look ahead using instruction pipelines
    • 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 or look ahead
    • G06F9/3867—Concurrent instruction execution, e.g. pipeline or look ahead using instruction pipelines
    • G06F9/3873—Variable length pipelines, e.g. elastic pipeline
    • 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 or look ahead
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
    • 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 or look ahead
    • G06F9/3885—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units
    • G06F9/3887—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units controlled by a single instruction for multiple data lanes [SIMD]

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Advance Control (AREA)
GB1608807.2A 2014-09-30 2015-09-23 Multimode variable length execution pipeline Active GB2537523B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/502,689 US9558002B2 (en) 2014-09-30 2014-09-30 Variable length execution pipeline
GB1516837.0A GB2532847B (en) 2014-09-30 2015-09-23 Variable length execution pipeline

Publications (3)

Publication Number Publication Date
GB201608807D0 GB201608807D0 (en) 2016-07-06
GB2537523A GB2537523A (en) 2016-10-19
GB2537523B true GB2537523B (en) 2017-09-27

Family

ID=56959253

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1608809.8A Active GB2537524B (en) 2014-09-30 2015-09-23 Variable length execution pipeline having an odd number of stages
GB1608807.2A Active GB2537523B (en) 2014-09-30 2015-09-23 Multimode variable length execution pipeline

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1608809.8A Active GB2537524B (en) 2014-09-30 2015-09-23 Variable length execution pipeline having an odd number of stages

Country Status (1)

Country Link
GB (2) GB2537524B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2287108A (en) * 1994-02-28 1995-09-06 Intel Corp Method and apparatus for avoiding writeback conflicts between execution units sharing a common writeback path
WO2000042499A1 (en) * 1999-01-12 2000-07-20 Bops Incorporated Methods and apparatus to dynamically reconfigure the instruction pipeline of indirect very long instruction word scalable processor
JP2004062281A (en) * 2002-07-25 2004-02-26 Nec Micro Systems Ltd Pipeline processor and pipeline operation control method
EP2148272A1 (en) * 2007-05-17 2010-01-27 Fujitsu Limited Calculation unit, processor, and processor architecture

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6230257B1 (en) * 1998-03-31 2001-05-08 Intel Corporation Method and apparatus for staggering execution of a single packed data instruction using the same circuit
US8108652B1 (en) * 2007-09-13 2012-01-31 Ronald Chi-Chun Hui Vector processing with high execution throughput

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2287108A (en) * 1994-02-28 1995-09-06 Intel Corp Method and apparatus for avoiding writeback conflicts between execution units sharing a common writeback path
WO2000042499A1 (en) * 1999-01-12 2000-07-20 Bops Incorporated Methods and apparatus to dynamically reconfigure the instruction pipeline of indirect very long instruction word scalable processor
JP2004062281A (en) * 2002-07-25 2004-02-26 Nec Micro Systems Ltd Pipeline processor and pipeline operation control method
EP2148272A1 (en) * 2007-05-17 2010-01-27 Fujitsu Limited Calculation unit, processor, and processor architecture

Also Published As

Publication number Publication date
GB2537523A (en) 2016-10-19
GB2537524A (en) 2016-10-19
GB201608809D0 (en) 2016-07-06
GB201608807D0 (en) 2016-07-06
GB2537524B (en) 2017-09-27

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