DE3677051D1 - Verarbeitungsschaltung, die es erlaubt den akkumulationsdurchsatz zu erhoehen. - Google Patents

Verarbeitungsschaltung, die es erlaubt den akkumulationsdurchsatz zu erhoehen.

Info

Publication number
DE3677051D1
DE3677051D1 DE8686106742T DE3677051T DE3677051D1 DE 3677051 D1 DE3677051 D1 DE 3677051D1 DE 8686106742 T DE8686106742 T DE 8686106742T DE 3677051 T DE3677051 T DE 3677051T DE 3677051 D1 DE3677051 D1 DE 3677051D1
Authority
DE
Germany
Prior art keywords
increase
processing circuit
circuit allowed
throughput
accumulation
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
DE8686106742T
Other languages
English (en)
Inventor
Takao C O Nec Corpor Nishitani
Yuichi C O Nec Corpor Kawakami
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.)
NEC Corp
Original Assignee
NEC Corp
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 JP60105533A external-priority patent/JPH067375B2/ja
Priority claimed from JP60105534A external-priority patent/JPH065505B2/ja
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3677051D1 publication Critical patent/DE3677051D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06F7/544—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 for evaluating functions by calculation
    • G06F7/5443—Sum of products
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • 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
    • G06F7/49905—Exception handling
    • G06F7/4991—Overflow or underflow
    • G06F7/49921—Saturation, i.e. clipping the result to a minimum or maximum value
DE8686106742T 1985-05-17 1986-05-16 Verarbeitungsschaltung, die es erlaubt den akkumulationsdurchsatz zu erhoehen. Expired - Lifetime DE3677051D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60105533A JPH067375B2 (ja) 1985-05-17 1985-05-17 演算回路
JP60105534A JPH065505B2 (ja) 1985-05-17 1985-05-17 演算回路

Publications (1)

Publication Number Publication Date
DE3677051D1 true DE3677051D1 (de) 1991-02-28

Family

ID=26445805

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686106742T Expired - Lifetime DE3677051D1 (de) 1985-05-17 1986-05-16 Verarbeitungsschaltung, die es erlaubt den akkumulationsdurchsatz zu erhoehen.

Country Status (4)

Country Link
US (1) US4811268A (de)
EP (1) EP0202633B1 (de)
CA (1) CA1244955A (de)
DE (1) DE3677051D1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6211933A (ja) * 1985-07-09 1987-01-20 Nec Corp 演算回路
JP2565730B2 (ja) * 1988-01-12 1996-12-18 三菱電機株式会社 オーバフロー検出回路
JP2690932B2 (ja) * 1988-03-18 1997-12-17 株式会社日立製作所 ディジタル信号処理プロセッサおよびディシタル信号処理プロセッサシステム
US5379351A (en) * 1992-02-19 1995-01-03 Integrated Information Technology, Inc. Video compression/decompression processing and processors
US5031135A (en) * 1989-05-19 1991-07-09 Hitachi Micro Systems, Inc. Device for multi-precision and block arithmetic support in digital processors
US4956801A (en) * 1989-09-15 1990-09-11 Sun Microsystems, Inc. Matrix arithmetic circuit for processing matrix transformation operations
US5038314A (en) * 1989-11-17 1991-08-06 Digital Equipment Corporation Method and apparatus for correction of underflow and overflow
US5119324A (en) * 1990-02-20 1992-06-02 Stardent Computer Apparatus and method for performing arithmetic functions in a computer system
US5231600A (en) * 1990-04-19 1993-07-27 Bull Hn Information Systems Inc. Overflow detector for anticipating producing invalid operands resulting from performing shift operations on such operands
US5359718A (en) * 1991-03-29 1994-10-25 International Business Machines Corporation Early scalable instruction set machine alu status prediction apparatus
US6965644B2 (en) * 1992-02-19 2005-11-15 8×8, Inc. Programmable architecture and methods for motion estimation
US5524259A (en) * 1992-04-28 1996-06-04 Kabushiki Kaisha Toshiba Processor system having an external arithmetic device for high speed execution of computation of data
US5457805A (en) * 1992-06-30 1995-10-10 Nec Corporation Microcomputer enabling high speed execution of product-sum operation
JP3081710B2 (ja) * 1992-08-18 2000-08-28 株式会社東芝 オーバーフロー検出機能付き乗算装置
JPH06175821A (ja) * 1992-12-10 1994-06-24 Fujitsu Ltd 演算装置
CA2091539A1 (en) * 1993-03-11 1994-09-12 Jan Fandrianto Video compression/decompression processing and processors
WO1994020900A1 (en) * 1993-03-12 1994-09-15 Integrated Information Technology, Inc. Video compression/decompression processing and processors
KR0142803B1 (ko) * 1993-09-02 1998-07-15 모리시다 요이치 신호처리장치
US6173305B1 (en) * 1993-11-30 2001-01-09 Texas Instruments Incorporated Division by iteration employing subtraction and conditional source selection of a prior difference or a left shifted remainder
US5448509A (en) * 1993-12-08 1995-09-05 Hewlett-Packard Company Efficient hardware handling of positive and negative overflow resulting from arithmetic operations
KR100212139B1 (ko) * 1996-07-22 1999-08-02 윤종용 클럭공급장치
KR100222032B1 (ko) * 1996-12-24 1999-10-01 윤종용 디지탈 신호 처리기에서의 2배 정밀도 곱셈연산 수행방법
KR100236533B1 (ko) * 1997-01-16 2000-01-15 윤종용 배럴 쉬프터와 산술논리 연산기가 연결되어 있는 디지탈 신호 처리기 및 그 오버플로 검출방법
WO1999063348A1 (en) 1998-06-04 1999-12-09 Microsens Biophage Limited Analytical method using multiple virus labelling
DE19826252C2 (de) * 1998-06-15 2001-04-05 Systemonic Ag Verfahren zur digitalen Signalverarbeitung
US7206800B1 (en) * 2000-08-30 2007-04-17 Micron Technology, Inc. Overflow detection and clamping with parallel operand processing for fixed-point multipliers
JP3833884B2 (ja) * 2000-09-27 2006-10-18 株式会社東芝 ディジタルフィルタ
US20110153995A1 (en) * 2009-12-18 2011-06-23 Electronics And Telecommunications Research Institute Arithmetic apparatus including multiplication and accumulation, and dsp structure and filtering method using the same
EP3835938A1 (de) * 2019-12-11 2021-06-16 Unify Patente GmbH & Co. KG Computerimplementiertes verfahren zur ausführung einer arithmetischen oder logischen operation in kombination mit einer akkumulationsoperation und prozessor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4484259A (en) * 1980-02-13 1984-11-20 Intel Corporation Fraction bus for use in a numeric data processor
US4467444A (en) * 1980-08-01 1984-08-21 Advanced Micro Devices, Inc. Processor unit for microcomputer systems
JPS5776635A (en) * 1980-10-31 1982-05-13 Hitachi Ltd Floating multiplying circuit
JPS6054070A (ja) * 1983-09-02 1985-03-28 Nec Corp 演算装置

Also Published As

Publication number Publication date
EP0202633A1 (de) 1986-11-26
EP0202633B1 (de) 1991-01-23
US4811268A (en) 1989-03-07
CA1244955A (en) 1988-11-15

Similar Documents

Publication Publication Date Title
DE3677051D1 (de) Verarbeitungsschaltung, die es erlaubt den akkumulationsdurchsatz zu erhoehen.
FI873584A (fi) Mjuk, sockerfri, poroes soetsaks- resp. bakverkssammansaettning.
FI884892A0 (fi) Tippbar slaepvagn foer motorfordon, speciellt personbilar.
FI872594A (fi) Cementprodukter, vilka innehaoller ytbehandlade oorganiska partiklar.
DE3689390D1 (de) Verarbeitungsschaltung, fähig zum Erhöhen des Akkumulationsdurchsatzes.
DE3678918D1 (de) Schmiedemaschine.
FI881322A0 (fi) Haestsko, skaerskilt foer travhaestar.
FI872267A (fi) Stabila, vattenhaltiga suspensionskoncentratkompositioner.
DE3764710D1 (de) Pelletpresse.
FI874864A0 (fi) Oformade, eldfasta massor.
DE3678411D1 (de) Schmiedemaschine.
NO157527C (no) Smisenkesett.
FI872598A (fi) N-1h-tetrazol-5-yl-2-tiofen-, n-1h -tetrazol-5-yl-2-pyrrol- och n-1h-tetrazol-5-yl-2-furankarboxamider.
FI865279A0 (fi) Profilbelagd foensterkonstruktion, i synnerhet foer bandfoenster.
FI73490B (fi) Press foer takstolar.
DE3764814D1 (de) Flaechige, korrosionsbestaendige apparateteile.
FI874479A (fi) Golvskoetselanordning, speciellt munstycke foer dammsugare.
FI875128A (fi) Kabelmuff, isynnerhet en intagningskabelmuff foer partraods intagningskabel.
FI871432A0 (fi) Foerkopplingsdrossel, speciellt foer gasurladdningslampor.
FI862337A0 (fi) Spaenningsanordning foer en pappersmaskins vaevnader saosom viror, filtar, torkningsvaevnader, speciellt filtarna i presspartiet.
FI870924A (fi) Aromatiska -alkylimino-tetrahydro-6h -1,3-tiazin-6-onderivater.
FI883795A0 (fi) D,l-mantelsyra innehaollande haorvaordsmedel.
OA08208A (fr) Ethylphosphonoditioate de s,s-ditertiobutyle.
FI861244A (fi) Satsning- och demonteringsanordning foer en press, i synnerhet foer stolppress.
FI875453A0 (fi) Drivelement foer vattenfarkoster, saerskilt fartyg.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition