GB201414438D0 - Reuse of results of back-to-back micro-operations - Google Patents

Reuse of results of back-to-back micro-operations

Info

Publication number
GB201414438D0
GB201414438D0 GBGB1414438.0A GB201414438A GB201414438D0 GB 201414438 D0 GB201414438 D0 GB 201414438D0 GB 201414438 A GB201414438 A GB 201414438A GB 201414438 D0 GB201414438 D0 GB 201414438D0
Authority
GB
United Kingdom
Prior art keywords
reuse
operations
results
micro
back micro
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.)
Granted
Application number
GBGB1414438.0A
Other versions
GB2525263B (en
GB2525263A (en
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.)
ARM Ltd
Original Assignee
ARM Ltd
Advanced Risc Machines 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
Application filed by ARM Ltd, Advanced Risc Machines Ltd filed Critical ARM Ltd
Publication of GB201414438D0 publication Critical patent/GB201414438D0/en
Priority to US14/664,241 priority Critical patent/US9933841B2/en
Priority to KR1020150048808A priority patent/KR102402321B1/en
Priority to CN201510170525.4A priority patent/CN105022607B/en
Publication of GB2525263A publication Critical patent/GB2525263A/en
Application granted granted Critical
Publication of GB2525263B publication Critical patent/GB2525263B/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, look ahead
    • G06F9/3885—Concurrent instruction execution, e.g. pipeline, look ahead using a plurality of independent parallel functional units
    • G06F9/3887—Concurrent instruction execution, e.g. pipeline, look ahead using a plurality of independent parallel functional units controlled by a single instruction for multiple data lanes [SIMD]
    • 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
    • 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
    • G06F9/383—Operand prefetching
    • G06F9/3832—Value prediction for operands; operand history buffers
    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline, look ahead
    • G06F9/3867—Concurrent instruction execution, e.g. pipeline, look ahead using instruction pipelines
    • G06F9/3869—Implementation aspects, e.g. pipeline latches; pipeline synchronisation and clocking

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Advance Control (AREA)
GB1414438.0A 2014-04-17 2014-08-14 Reuse of results of back-to-back micro-operations Active GB2525263B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US14/664,241 US9933841B2 (en) 2014-04-17 2015-03-20 Reuse of results of back-to-back micro-operations
KR1020150048808A KR102402321B1 (en) 2014-04-17 2015-04-07 Reuse of results of back-to-back micro-operations
CN201510170525.4A CN105022607B (en) 2014-04-17 2015-04-10 Data processing equipment and data processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR20140100224 2014-04-17

Publications (3)

Publication Number Publication Date
GB201414438D0 true GB201414438D0 (en) 2014-10-01
GB2525263A GB2525263A (en) 2015-10-21
GB2525263B GB2525263B (en) 2021-06-02

Family

ID=51662426

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1414438.0A Active GB2525263B (en) 2014-04-17 2014-08-14 Reuse of results of back-to-back micro-operations

Country Status (1)

Country Link
GB (1) GB2525263B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5260898A (en) * 1992-03-13 1993-11-09 Sun Microsystems, Inc. Result cache for complex arithmetic units
US6542963B2 (en) * 2001-01-10 2003-04-01 Samsung Electronics Co., Ltd. Partial match partial output cache for computer arithmetic operations

Also Published As

Publication number Publication date
GB2525263B (en) 2021-06-02
GB2525263A (en) 2015-10-21

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