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US3235879A - Buffer apparatus for providing data transfer with the memory of a data processing system - Google Patents

Buffer apparatus for providing data transfer with the memory of a data processing system Download PDF

Info

Publication number
US3235879A
US3235879A US8868A US886860A US3235879A US 3235879 A US3235879 A US 3235879A US 8868 A US8868 A US 8868A US 886860 A US886860 A US 886860A US 3235879 A US3235879 A US 3235879A
Authority
US
United States
Prior art keywords
register
data
data processing
processing system
memory
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 - Lifetime
Application number
US8868A
Inventor
Henry L Herold
Jay G Levinthal
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Priority to US8868A priority Critical patent/US3235879A/en
Application granted granted Critical
Publication of US3235879A publication Critical patent/US3235879A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/22—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/3004—Arrangements for executing specific machine instructions to perform operations on memory
    • G06F9/30043—LOAD or STORE instructions; Clear instruction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06F9/3826—Bypassing or forwarding of data results, e.g. locally between pipeline stages or within a pipeline stage
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/383—Operand prefetching
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)

Claims (1)

1. IN A DATA PROCESSING SYSTEM, A DATA STORAGE UNIT FOR STORING A PLURALITY OF DATA ITEMS IN FORM SATISFYING A PREDETERMINED CRITERION, A FIRST REGISTER FOR STORING A DATA ITEM, MEANS FOR TRANSFERRING A DATA ITEM FROM SAID DATA STORAGE UNIT TO SAID FIRST REGISTER, A SECOND REGISTER FOR STORING A DATA ITEM, MEANS FOR TRANSFERRING THE CONTENTS OF SAID FIRST REGISTER TO SAID SECOND REGISTER, A DATA PROCESSING UNIT ADAPTED TO PERFORM OPERATIONS ON DATA ITEMS RECEIVED THEREBY, MEANS FOR PROVIDING A CONTROL SIGNAL, MEANS RESPONSIVE TO SAID CONTROL SIGNAL FOR TRANSFERRING A REPRESENTATION OF THE CONTENTS OF SAID SECOND REGISTER TO SAID DATA PROCESSING UNIT, AND MEANS RESPONSIVE TO SAID CONTROL SIGNAL FOR VERIFYING THE SATISFACTION OF SAID PREDETERMINED CRITERION BY DATA ITEMS IN SAID SECOND REGISTER.
US8868A 1960-02-15 1960-02-15 Buffer apparatus for providing data transfer with the memory of a data processing system Expired - Lifetime US3235879A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US8868A US3235879A (en) 1960-02-15 1960-02-15 Buffer apparatus for providing data transfer with the memory of a data processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8868A US3235879A (en) 1960-02-15 1960-02-15 Buffer apparatus for providing data transfer with the memory of a data processing system

Publications (1)

Publication Number Publication Date
US3235879A true US3235879A (en) 1966-02-15

Family

ID=21734156

Family Applications (1)

Application Number Title Priority Date Filing Date
US8868A Expired - Lifetime US3235879A (en) 1960-02-15 1960-02-15 Buffer apparatus for providing data transfer with the memory of a data processing system

Country Status (1)

Country Link
US (1) US3235879A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419852A (en) * 1966-02-14 1968-12-31 Burroughs Corp Input/output control system for electronic computers

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843841A (en) * 1954-09-20 1958-07-15 Internat Telemeter Corp Information storage system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843841A (en) * 1954-09-20 1958-07-15 Internat Telemeter Corp Information storage system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419852A (en) * 1966-02-14 1968-12-31 Burroughs Corp Input/output control system for electronic computers

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