GB9621867D0 - Data cache - Google Patents

Data cache

Info

Publication number
GB9621867D0
GB9621867D0 GBGB9621867.2A GB9621867A GB9621867D0 GB 9621867 D0 GB9621867 D0 GB 9621867D0 GB 9621867 A GB9621867 A GB 9621867A GB 9621867 D0 GB9621867 D0 GB 9621867D0
Authority
GB
United Kingdom
Prior art keywords
data cache
cache
data
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
GBGB9621867.2A
Other versions
GB2302190A (en
GB2302190B (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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 GB9409148A external-priority patent/GB9409148D0/en
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB9621867A priority Critical patent/GB2302190B/en
Publication of GB9621867D0 publication Critical patent/GB9621867D0/en
Publication of GB2302190A publication Critical patent/GB2302190A/en
Application granted granted Critical
Publication of GB2302190B publication Critical patent/GB2302190B/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
    • G06F9/30—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
    • G06F9/3875—Pipelining a single stage, e.g. superpipelining
    • 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
    • G06F9/3824—Operand accessing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0844—Multiple simultaneous or quasi-simultaneous cache accessing
    • G06F12/0853—Cache with multiport tag or data arrays
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0844—Multiple simultaneous or quasi-simultaneous cache accessing
    • G06F12/0855—Overlapped cache accessing, e.g. pipeline
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0875—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches with dedicated cache, e.g. instruction or stack
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/45—Caching of specific data in cache memory
    • G06F2212/451—Stack data

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)
  • Memory System Of A Hierarchy Structure (AREA)
GB9621867A 1994-05-09 1995-04-11 Data cache Expired - Fee Related GB2302190B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9621867A GB2302190B (en) 1994-05-09 1995-04-11 Data cache

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9409148A GB9409148D0 (en) 1994-05-09 1994-05-09 Data cache
PCT/GB1995/000827 WO1995030954A1 (en) 1994-05-09 1995-04-11 Data cache
GB9621867A GB2302190B (en) 1994-05-09 1995-04-11 Data cache

Publications (3)

Publication Number Publication Date
GB9621867D0 true GB9621867D0 (en) 1996-12-11
GB2302190A GB2302190A (en) 1997-01-08
GB2302190B GB2302190B (en) 1999-01-06

Family

ID=26304844

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9621867A Expired - Fee Related GB2302190B (en) 1994-05-09 1995-04-11 Data cache

Country Status (1)

Country Link
GB (1) GB2302190B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6032226A (en) * 1997-04-14 2000-02-29 International Business Machines Corporation Method and apparatus for layering cache and architectural specific functions to expedite multiple design
US6061755A (en) * 1997-04-14 2000-05-09 International Business Machines Corporation Method of layering cache and architectural specific functions to promote operation symmetry
US6061762A (en) * 1997-04-14 2000-05-09 International Business Machines Corporation Apparatus and method for separately layering cache and architectural specific functions in different operational controllers
GB2576572B (en) 2018-08-24 2020-12-30 Advanced Risc Mach Ltd Processing of temporary-register-using instruction

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985000453A1 (en) * 1983-07-11 1985-01-31 Prime Computer, Inc. Data processing system
JPS6324428A (en) * 1986-07-17 1988-02-01 Mitsubishi Electric Corp Cache memory
US4833601A (en) * 1987-05-28 1989-05-23 Bull Hn Information Systems Inc. Cache resiliency in processing a variety of address faults

Also Published As

Publication number Publication date
GB2302190A (en) 1997-01-08
GB2302190B (en) 1999-01-06

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Legal Events

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

Effective date: 20020411