DE69321241D1 - Hochleistungsmantissendividierer. - Google Patents

Hochleistungsmantissendividierer.

Info

Publication number
DE69321241D1
DE69321241D1 DE69321241T DE69321241T DE69321241D1 DE 69321241 D1 DE69321241 D1 DE 69321241D1 DE 69321241 T DE69321241 T DE 69321241T DE 69321241 T DE69321241 T DE 69321241T DE 69321241 D1 DE69321241 D1 DE 69321241D1
Authority
DE
Germany
Prior art keywords
dividers
high performance
manifold
performance manifold
performance
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
DE69321241T
Other languages
English (en)
Other versions
DE69321241T2 (de
Inventor
James Smith
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.)
Cray Research LLC
Original Assignee
Cray Research LLC
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 Cray Research LLC filed Critical Cray Research LLC
Publication of DE69321241D1 publication Critical patent/DE69321241D1/de
Application granted granted Critical
Publication of DE69321241T2 publication Critical patent/DE69321241T2/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
    • G06F7/535—Dividing only
    • 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
    • G06F7/535—Dividing only
    • G06F7/537—Reduction of the number of iteration steps or stages, e.g. using the Sweeny-Robertson-Tocher [SRT] algorithm
    • G06F7/5375—Non restoring calculation, where each digit is either negative, zero or positive, e.g. SRT
    • 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
    • G06F7/483—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
    • G06F7/4873—Dividing
    • 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
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49942—Significance control
    • G06F7/49947—Rounding

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Complex Calculations (AREA)
DE69321241T 1992-09-01 1993-07-26 Hochleistungsmantissendividierer. Expired - Fee Related DE69321241T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/938,715 US5258944A (en) 1992-09-01 1992-09-01 High performance mantissa divider
PCT/US1993/007192 WO1994006076A1 (en) 1992-09-01 1993-07-26 High performance mantissa divider

Publications (2)

Publication Number Publication Date
DE69321241D1 true DE69321241D1 (de) 1998-10-29
DE69321241T2 DE69321241T2 (de) 1999-05-20

Family

ID=25471852

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69321241T Expired - Fee Related DE69321241T2 (de) 1992-09-01 1993-07-26 Hochleistungsmantissendividierer.

Country Status (4)

Country Link
US (1) US5258944A (de)
EP (1) EP0658256B1 (de)
DE (1) DE69321241T2 (de)
WO (1) WO1994006076A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5381380A (en) * 1992-05-18 1995-01-10 Sharp Kabushiki Kaisha Divide circuit having high-speed operating capability
JP2803506B2 (ja) * 1992-12-25 1998-09-24 三菱電機株式会社 除算器
US5619664A (en) * 1994-01-04 1997-04-08 Intel Corporation Processor with architecture for improved pipelining of arithmetic instructions by forwarding redundant intermediate data forms
FR2720172B1 (fr) * 1994-05-20 1996-06-28 Sgs Thomson Microelectronics Dispositif de mise en Óoeuvre numérique d'une opération de division.
US5771366A (en) * 1995-06-09 1998-06-23 International Business Machines Corporation Method and system for interchanging operands during complex instruction execution in a data processing system
US5787030A (en) * 1995-07-05 1998-07-28 Sun Microsystems, Inc. Correct and efficient sticky bit calculation for exact floating point divide/square root results
US5777917A (en) * 1996-03-21 1998-07-07 Hitachi Micro Systems, Inc. Simplification of lookup table
US6109777A (en) * 1997-04-16 2000-08-29 Compaq Computer Corporation Division with limited carry-propagation in quotient accumulation
US5910910A (en) * 1997-06-23 1999-06-08 Sun Microsystems, Inc. Circuit and method for rapid calculation of quotients and square roots
US6317772B1 (en) 1999-01-19 2001-11-13 Compaq Computer Corporation Split remainder divider
KR100407562B1 (ko) * 2001-11-21 2003-11-28 삼성전자주식회사 제산 및 제곱근 계산 장치 및 방법
EP1391812A1 (de) * 2002-08-20 2004-02-25 Texas Instruments Incorporated Hardwarebeschleuniger zur Durchführung von Divisionsoperationen
US7660842B2 (en) * 2003-05-12 2010-02-09 Sun Microsystems, Inc. Method and apparatus for performing a carry-save division operation
US7539720B2 (en) * 2004-12-15 2009-05-26 Sun Microsystems, Inc. Low latency integer divider and integration with floating point divider and method
US20060242220A1 (en) * 2005-04-20 2006-10-26 Texas Instruments, Inc. Hardware divider
US20090006509A1 (en) * 2007-06-28 2009-01-01 Alaaeldin Amin High-radix multiplier-divider
US8452831B2 (en) * 2009-03-31 2013-05-28 Oracle America, Inc. Apparatus and method for implementing hardware support for denormalized operands for floating-point divide operations
US8261176B2 (en) * 2009-06-30 2012-09-04 Sandisk Il Ltd. Polynomial division
US9086890B2 (en) 2012-01-06 2015-07-21 Oracle International Corporation Division unit with normalization circuit and plural divide engines for receiving instructions when divide engine availability is indicated
US9830150B2 (en) * 2015-12-04 2017-11-28 Google Llc Multi-functional execution lane for image processor
US10209959B2 (en) 2016-11-03 2019-02-19 Samsung Electronics Co., Ltd. High radix 16 square root estimate

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3733477A (en) * 1972-02-04 1973-05-15 Control Data Corp Iterative binary divider utilizing multiples of the divisor
JPS58132837A (ja) * 1982-02-03 1983-08-08 Hitachi Ltd １０進除算装置
US4939686A (en) * 1987-05-18 1990-07-03 Weitek Corporation Method and apparatus for shared radix 4 division and radix 4 square root
US5132925A (en) * 1988-08-18 1992-07-21 Digital Equipment Corporation Radix-16 divider using overlapped quotient bit selection and concurrent quotient rounding and correction
US5023827A (en) * 1988-08-18 1991-06-11 Digital Equipment Corporation Radix-16 divider using overlapped quotient bit selection and concurrent quotient rounding and correction
US4979142A (en) * 1989-04-17 1990-12-18 International Business Machines Corporation Two-bit floating point divide circuit with single carry-save adder
ATE114836T1 (de) * 1989-09-07 1994-12-15 Siemens Nixdorf Inf Syst Verfahren für datenverarbeitungsanlagen zur division von, zu beginn jeweils normalisierten, beliebig langen operanden und divisionswerk zur durchführung des verfahrens.
US5128891A (en) * 1990-04-02 1992-07-07 Advanced Micro Devices, Inc. High speed divider with square root capability

Also Published As

Publication number Publication date
EP0658256B1 (de) 1998-09-23
EP0658256A1 (de) 1995-06-21
US5258944A (en) 1993-11-02
DE69321241T2 (de) 1999-05-20
WO1994006076A1 (en) 1994-03-17

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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