DE69227887T2 - Verfahren und Geräte zur Feststellung des Produkts zweier Zahlen - Google Patents

Verfahren und Geräte zur Feststellung des Produkts zweier Zahlen

Info

Publication number
DE69227887T2
DE69227887T2 DE69227887T DE69227887T DE69227887T2 DE 69227887 T2 DE69227887 T2 DE 69227887T2 DE 69227887 T DE69227887 T DE 69227887T DE 69227887 T DE69227887 T DE 69227887T DE 69227887 T2 DE69227887 T2 DE 69227887T2
Authority
DE
Germany
Prior art keywords
register
significant
significance
digits
register cell
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 - Fee Related
Application number
DE69227887T
Other languages
English (en)
Other versions
DE69227887D1 (de
Inventor
Safdar M Asghar
Donald D Mondul
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.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices 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 Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of DE69227887D1 publication Critical patent/DE69227887D1/de
Publication of DE69227887T2 publication Critical patent/DE69227887T2/de
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
    • 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
    • G06F7/5324—Multiplying only in parallel-parallel fashion, i.e. both operands being entered in parallel partitioned, i.e. using repetitively a smaller parallel parallel multiplier or using an array of such smaller multipliers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F7/5235—Multiplying only using indirect methods, e.g. quarter square method, via logarithmic domain
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F2207/3808—Details concerning the type of numbers or the way they are handled
    • G06F2207/3812—Devices capable of handling different types of numbers
    • G06F2207/3816—Accepting numbers of variable word length

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Complex Calculations (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Image Processing (AREA)
DE69227887T 1991-11-19 1992-10-13 Verfahren und Geräte zur Feststellung des Produkts zweier Zahlen Expired - Fee Related DE69227887T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/794,995 US5136537A (en) 1991-11-19 1991-11-19 Method and apparatus for determining the product of two numbers

Publications (2)

Publication Number Publication Date
DE69227887D1 DE69227887D1 (de) 1999-01-28
DE69227887T2 true DE69227887T2 (de) 1999-08-12

Family

ID=25164331

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227887T Expired - Fee Related DE69227887T2 (de) 1991-11-19 1992-10-13 Verfahren und Geräte zur Feststellung des Produkts zweier Zahlen

Country Status (5)

Country Link
US (1) US5136537A (de)
EP (1) EP0543494B1 (de)
JP (1) JPH05224890A (de)
AT (1) ATE174698T1 (de)
DE (1) DE69227887T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5291430A (en) * 1991-11-19 1994-03-01 Advanced Micro Devices, Inc. Method and apparatus for multiplying a plurality of numbers
US5424970A (en) 1991-11-19 1995-06-13 Advanced Micro Devices, Inc. Method and apparatus for multiplying a plurality of N numbers
US7565391B2 (en) * 2004-12-17 2009-07-21 The Regents Of The University Of California Binary digit multiplications and applications
US20070270070A1 (en) * 2006-05-19 2007-11-22 Hamed Othman A Chemically Stiffened Fibers In Sheet Form

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5769451A (en) * 1980-10-17 1982-04-28 Toshiba Corp Lsi multiplication block
GB2108736B (en) * 1981-10-27 1984-12-12 Standard Telephones Cables Ltd Sum of products multiplier
JPS58101343A (ja) * 1981-12-11 1983-06-16 Fujitsu Ltd 乗算方式
JPS5935236A (ja) * 1982-08-24 1984-02-25 Toshiba Corp 可変語長乗算回路
JPS5958542A (ja) * 1982-09-28 1984-04-04 Toshiba Corp 乗算回路
JPH061438B2 (ja) * 1984-04-26 1994-01-05 日本電気株式会社 倍精度乗算器
US4809212A (en) * 1985-06-19 1989-02-28 Advanced Micro Devices, Inc. High throughput extended-precision multiplier
DE4006569A1 (de) * 1989-12-28 1991-09-12 Paul Merkle Multiplizierschaltung

Also Published As

Publication number Publication date
JPH05224890A (ja) 1993-09-03
EP0543494A3 (en) 1993-07-21
DE69227887D1 (de) 1999-01-28
ATE174698T1 (de) 1999-01-15
US5136537A (en) 1992-08-04
EP0543494B1 (de) 1998-12-16
EP0543494A2 (de) 1993-05-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee