GB1575215A - Data processor - Google Patents

Data processor Download PDF

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Publication number
GB1575215A
GB1575215A GB25669/79A GB2566979A GB1575215A GB 1575215 A GB1575215 A GB 1575215A GB 25669/79 A GB25669/79 A GB 25669/79A GB 2566979 A GB2566979 A GB 2566979A GB 1575215 A GB1575215 A GB 1575215A
Authority
GB
United Kingdom
Prior art keywords
address
output
arithmetic
register
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
Application number
GB25669/79A
Other languages
English (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.)
Floating Point Systems Inc
Original Assignee
Floating Point Systems Inc
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 Floating Point Systems Inc filed Critical Floating Point Systems Inc
Publication of GB1575215A publication Critical patent/GB1575215A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/52—Multiplying; Dividing
    • G06F7/523—Multiplying only
    • G06F7/53—Multiplying only in parallel-parallel fashion, i.e. both operands being entered in parallel
    • G06F7/5306—Multiplying only in parallel-parallel fashion, i.e. both operands being entered in parallel with row wise addition of partial products
    • G06F7/5312—Multiplying only in parallel-parallel fashion, i.e. both operands being entered in parallel with row wise addition of partial products using carry save adders
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/483—Computations with numbers represented by a non-linear combination of denominational numbers, e.g. rational numbers, logarithmic number system or floating-point numbers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/483—Computations with numbers represented by a non-linear combination of denominational numbers, e.g. rational numbers, logarithmic number system or floating-point numbers
    • G06F7/485—Adding; Subtracting
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/483—Computations with numbers represented by a non-linear combination of denominational numbers, e.g. rational numbers, logarithmic number system or floating-point numbers
    • G06F7/487—Multiplying; Dividing
    • G06F7/4876—Multiplying
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/52—Multiplying; Dividing
    • G06F7/523—Multiplying only
    • G06F7/533—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even
    • 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
    • G06F9/3877—Concurrent instruction execution, e.g. pipeline or look ahead using a slave processor, e.g. coprocessor
    • G06F9/3879—Concurrent instruction execution, e.g. pipeline or look ahead using a slave processor, e.g. coprocessor for non-native instruction execution, e.g. executing a command; for Java instruction set
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
    • G06F2207/3804—Details
    • G06F2207/386—Special constructional features
    • G06F2207/3884—Pipelining
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
    • G06F2207/3804—Details
    • G06F2207/386—Special constructional features
    • G06F2207/3896—Bit slicing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49936—Normalisation mentioned as feature only
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49942—Significance control
    • G06F7/49947—Rounding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Nonlinear Science (AREA)
  • Complex Calculations (AREA)
GB25669/79A 1976-07-02 1977-02-23 Data processor Expired GB1575215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/702,148 US4075704A (en) 1976-07-02 1976-07-02 Floating point data processor for high speech operation

Publications (1)

Publication Number Publication Date
GB1575215A true GB1575215A (en) 1980-09-17

Family

ID=24820039

Family Applications (3)

Application Number Title Priority Date Filing Date
GB37538/78A Expired GB1575214A (en) 1976-07-02 1977-02-23 Floating point data processor
GB25669/79A Expired GB1575215A (en) 1976-07-02 1977-02-23 Data processor
GB7739/77A Expired GB1575213A (en) 1976-07-02 1977-02-23 Floating point data processor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB37538/78A Expired GB1575214A (en) 1976-07-02 1977-02-23 Floating point data processor

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB7739/77A Expired GB1575213A (en) 1976-07-02 1977-02-23 Floating point data processor

Country Status (6)

Country Link
US (1) US4075704A (enExample)
JP (1) JPS6044696B2 (enExample)
CA (1) CA1096048A (enExample)
DE (1) DE2724125A1 (enExample)
FR (1) FR2357001A1 (enExample)
GB (3) GB1575214A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0088544A1 (en) * 1982-02-26 1983-09-14 Kabushiki Kaisha Toshiba Index limited continuous operation vector processor
FR2623641A1 (fr) * 1987-11-24 1989-05-26 Thomson Csf Machine multiprocesseurs pour l'execution de traitements numeriques paralleles

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US4334284A (en) * 1979-12-31 1982-06-08 Sperry Corporation Multiplier decoding using parallel MQ register
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DE3144015A1 (de) * 1981-11-05 1983-05-26 Ulrich Prof. Dr. 7500 Karlsruhe Kulisch "schaltungsanordnung und verfahren zur bildung von skalarprodukten und summen von gleitkommazahlen mit maximaler genauigkeit"
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EP0088544A1 (en) * 1982-02-26 1983-09-14 Kabushiki Kaisha Toshiba Index limited continuous operation vector processor
US4823258A (en) * 1982-02-26 1989-04-18 Tokyo Shibaura Denki Kabushiki Kaisha Index limited continuous operation vector processor
FR2623641A1 (fr) * 1987-11-24 1989-05-26 Thomson Csf Machine multiprocesseurs pour l'execution de traitements numeriques paralleles

Also Published As

Publication number Publication date
JPS535543A (en) 1978-01-19
FR2357001B1 (enExample) 1982-08-13
DE2724125C2 (enExample) 1989-07-06
US4075704A (en) 1978-02-21
JPS6044696B2 (ja) 1985-10-04
GB1575213A (en) 1980-09-17
DE2724125A1 (de) 1978-01-12
CA1096048A (en) 1981-02-17
GB1575214A (en) 1980-09-17
FR2357001A1 (fr) 1978-01-27

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