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
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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computational Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Mathematical Physics (AREA)
- Computing Systems (AREA)
- Algebra (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- Complex Calculations (AREA)
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)
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 |
CA2333463A1 (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)
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 |
-
1986
- 1986-05-16 DE DE8686106742T patent/DE3677051D1/de not_active Expired - Lifetime
- 1986-05-16 EP EP86106742A patent/EP0202633B1/de not_active Expired - Lifetime
- 1986-05-16 CA CA000509343A patent/CA1244955A/en not_active Expired
- 1986-05-19 US US06/864,268 patent/US4811268A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0202633A1 (de) | 1986-11-26 |
EP0202633B1 (de) | 1991-01-23 |
CA1244955A (en) | 1988-11-15 |
US4811268A (en) | 1989-03-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |