NL182104C - Inrichting voor het uitvoeren van rekenkundige en logische bewerkingen. - Google Patents
Inrichting voor het uitvoeren van rekenkundige en logische bewerkingen.Info
- Publication number
- NL182104C NL182104C NLAANVRAGE7303159,A NL7303159A NL182104C NL 182104 C NL182104 C NL 182104C NL 7303159 A NL7303159 A NL 7303159A NL 182104 C NL182104 C NL 182104C
- Authority
- NL
- Netherlands
- Prior art keywords
- logic operations
- performing arithmetic
- arithmetic
- logic
- operations
- Prior art date
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
- G06F7/533—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even
- G06F7/5334—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product
- G06F7/5336—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product overlapped, i.e. with successive bitgroups sharing one or more bits being recoded into signed digit representation, e.g. using the Modified Booth Algorithm
- G06F7/5338—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product overlapped, i.e. with successive bitgroups sharing one or more bits being recoded into signed digit representation, e.g. using the Modified Booth Algorithm each bitgroup having two new bits, e.g. 2nd order MBA
-
- 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
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
- G06F17/141—Discrete Fourier transforms
- G06F17/142—Fast Fourier transforms, e.g. using a Cooley-Tukey type algorithm
-
- 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
- G06F7/57—Arithmetic logic units [ALU], i.e. arrangements or devices for performing two or more of the operations covered by groups G06F7/483 – G06F7/556 or for performing logical operations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F9/22—Microcontrol or microprogram arrangements
- G06F9/226—Microinstruction function, e.g. input/output microinstruction; diagnostic microinstruction; microinstruction format
-
- 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
- G06F2207/535—Indexing scheme relating to groups G06F7/535 - G06F7/5375
- G06F2207/5352—Non-restoring division not covered by G06F7/5375
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Physics (AREA)
- General Engineering & Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Software Systems (AREA)
- Computing Systems (AREA)
- Algebra (AREA)
- Databases & Information Systems (AREA)
- Discrete Mathematics (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7207787A FR2175261A5 (nl) | 1972-03-06 | 1972-03-06 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7303159A NL7303159A (nl) | 1973-09-10 |
| NL182104B NL182104B (nl) | 1987-08-03 |
| NL182104C true NL182104C (nl) | 1988-01-04 |
Family
ID=9094733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7303159,A NL182104C (nl) | 1972-03-06 | 1973-03-06 | Inrichting voor het uitvoeren van rekenkundige en logische bewerkingen. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3861585A (nl) |
| JP (1) | JPS5710458B2 (nl) |
| DE (1) | DE2310553C2 (nl) |
| FR (1) | FR2175261A5 (nl) |
| GB (1) | GB1419315A (nl) |
| IT (1) | IT981095B (nl) |
| NL (1) | NL182104C (nl) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2253415A5 (nl) * | 1973-12-04 | 1975-06-27 | Cii | |
| JPS50131433U (nl) * | 1974-04-18 | 1975-10-29 | ||
| JPS5411859B2 (nl) * | 1974-05-31 | 1979-05-18 | ||
| US3997771A (en) * | 1975-05-05 | 1976-12-14 | Honeywell Inc. | Apparatus and method for performing an arithmetic operation and multibit shift |
| US4041292A (en) * | 1975-12-22 | 1977-08-09 | Honeywell Information Systems Inc. | High speed binary multiplication system employing a plurality of multiple generator circuits |
| JPS5289435A (en) * | 1976-01-22 | 1977-07-27 | Mitsubishi Electric Corp | Multiplying device |
| JPS52155803U (nl) * | 1976-05-20 | 1977-11-26 | ||
| JPS6053907B2 (ja) * | 1978-01-27 | 1985-11-27 | 日本電気株式会社 | 二項ベクトル乗算回路 |
| JPS58144259A (ja) * | 1982-02-19 | 1983-08-27 | Sony Corp | デイジタル信号処理装置 |
| DE3924344A1 (de) * | 1989-07-22 | 1991-02-14 | Vielhaber Michael Johannes Dip | Digitalrechner-betriebsverfahren zur modularen reduktion eines produktes zweier grosser zahlen und entsprechender arithmetikprozessor |
| US5138570A (en) * | 1990-09-20 | 1992-08-11 | At&T Bell Laboratories | Multiplier signed and unsigned overflow flags |
| US6519695B1 (en) * | 1999-02-08 | 2003-02-11 | Alcatel Canada Inc. | Explicit rate computational engine |
| CN108363559B (zh) * | 2018-02-13 | 2022-09-27 | 北京旷视科技有限公司 | 神经网络的乘法处理方法、设备和计算机可读介质 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3069085A (en) * | 1958-04-15 | 1962-12-18 | Ibm | Binary digital multiplier |
| US3584781A (en) * | 1968-07-01 | 1971-06-15 | Bell Telephone Labor Inc | Fft method and apparatus for real valued inputs |
| US3641331A (en) * | 1969-11-12 | 1972-02-08 | Honeywell Inc | Apparatus for performing arithmetic operations on numbers using a multiple generating and storage technique |
| US3684879A (en) * | 1970-09-09 | 1972-08-15 | Sperry Rand Corp | Division utilizing multiples of the divisor stored in an addressable memory |
| JPS5238703B2 (nl) * | 1971-12-27 | 1977-09-30 |
-
1972
- 1972-03-06 FR FR7207787A patent/FR2175261A5/fr not_active Expired
-
1973
- 1973-02-28 GB GB982373A patent/GB1419315A/en not_active Expired
- 1973-03-02 US US337369A patent/US3861585A/en not_active Expired - Lifetime
- 1973-03-02 DE DE2310553A patent/DE2310553C2/de not_active Expired
- 1973-03-05 IT IT21156/73A patent/IT981095B/it active
- 1973-03-06 NL NLAANVRAGE7303159,A patent/NL182104C/nl not_active IP Right Cessation
- 1973-03-06 JP JP2650473A patent/JPS5710458B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL182104B (nl) | 1987-08-03 |
| DE2310553A1 (de) | 1973-09-13 |
| IT981095B (it) | 1974-10-10 |
| JPS5710458B2 (nl) | 1982-02-26 |
| JPS4912734A (nl) | 1974-02-04 |
| GB1419315A (en) | 1975-12-31 |
| US3861585A (en) | 1975-01-21 |
| NL7303159A (nl) | 1973-09-10 |
| FR2175261A5 (nl) | 1973-10-19 |
| DE2310553C2 (de) | 1987-03-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BC | A request for examination has been filed | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| V1 | Lapsed because of non-payment of the annual fee |