DE69935447D1 - Digitaler wert prozessor - Google Patents

Digitaler wert prozessor

Info

Publication number
DE69935447D1
DE69935447D1 DE69935447T DE69935447T DE69935447D1 DE 69935447 D1 DE69935447 D1 DE 69935447D1 DE 69935447 T DE69935447 T DE 69935447T DE 69935447 T DE69935447 T DE 69935447T DE 69935447 D1 DE69935447 D1 DE 69935447D1
Authority
DE
Germany
Prior art keywords
digital value
value processor
processor
digital
value
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
DE69935447T
Other languages
English (en)
Other versions
DE69935447T2 (de
Inventor
Matthias Schulist
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE69935447D1 publication Critical patent/DE69935447D1/de
Application granted granted Critical
Publication of DE69935447T2 publication Critical patent/DE69935447T2/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
    • G06F7/544—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
    • G06F7/552—Powers or roots, e.g. Pythagorean sums
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/01—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
    • 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
    • G06F7/76—Arrangements for rearranging, permuting or selecting data according to predetermined rules, independently of the content of the data
    • G06F7/764—Masking
    • 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
    • G06F2207/552—Indexing scheme relating to groups G06F7/552 - G06F7/5525
    • G06F2207/5523—Calculates a power, e.g. the square, of a number or a function, e.g. polynomials

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • Complex Calculations (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
DE69935447T 1998-11-30 1999-11-03 Digitaler wert prozessor Expired - Fee Related DE69935447T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP98122535 1998-11-30
EP98122535A EP1006437A1 (de) 1998-11-30 1998-11-30 Digitalwertprozessor für das Schätzen des Quadrats eines digitalen Wertes
PCT/EP1999/008407 WO2000033174A1 (en) 1998-11-30 1999-11-03 Digital value processor

Publications (2)

Publication Number Publication Date
DE69935447D1 true DE69935447D1 (de) 2007-04-19
DE69935447T2 DE69935447T2 (de) 2007-11-08

Family

ID=8233046

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69935447T Expired - Fee Related DE69935447T2 (de) 1998-11-30 1999-11-03 Digitaler wert prozessor

Country Status (11)

Country Link
US (1) US6463452B1 (de)
EP (2) EP1006437A1 (de)
JP (1) JP2002531889A (de)
KR (1) KR100608471B1 (de)
CN (1) CN1328663A (de)
AR (1) AR023713A1 (de)
AU (1) AU1159700A (de)
CA (1) CA2352846A1 (de)
DE (1) DE69935447T2 (de)
TW (1) TW470913B (de)
WO (1) WO2000033174A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1054358A3 (de) * 1999-05-20 2003-03-12 TeraRecon, Inc., A Delaware Corporation Verfahren und Gerät zur Funktionannäherung
GB2355087B (en) * 1999-10-08 2003-12-17 Mitel Corp Method & apparatus for calculating energy in A-law or Á-law encoded speech signals
US6766346B2 (en) * 1999-11-30 2004-07-20 Mosaid Technologies Incorporation System and method for computing a square of a number
US7167888B2 (en) * 2002-12-09 2007-01-23 Sony Corporation System and method for accurately calculating a mathematical power function in an electronic device
US7489362B2 (en) 2003-03-04 2009-02-10 Broadcom Corporation Television functionality on a chip
US20050027771A1 (en) * 2003-07-30 2005-02-03 Broadcom Corporation System and method for approximating division
US20070094318A1 (en) * 2005-10-24 2007-04-26 Christian Lutkemeyer Method and system for hardware efficient systematic approximation of square functions for communication systems
CN101368991B (zh) 2007-08-15 2012-01-25 鹏智科技(深圳)有限公司 电子装置测试装置及方法
JP2010271091A (ja) 2009-05-20 2010-12-02 Seiko Epson Corp 周波数測定装置
JP5440999B2 (ja) * 2009-05-22 2014-03-12 セイコーエプソン株式会社 周波数測定装置
JP5517033B2 (ja) 2009-05-22 2014-06-11 セイコーエプソン株式会社 周波数測定装置
JP5582447B2 (ja) 2009-08-27 2014-09-03 セイコーエプソン株式会社 電気回路、同電気回路を備えたセンサーシステム、及び同電気回路を備えたセンサーデバイス
JP5815918B2 (ja) 2009-10-06 2015-11-17 セイコーエプソン株式会社 周波数測定方法、周波数測定装置及び周波数測定装置を備えた装置
JP5876975B2 (ja) 2009-10-08 2016-03-02 セイコーエプソン株式会社 周波数測定装置及び周波数測定装置における変速分周信号の生成方法
JP5883558B2 (ja) 2010-08-31 2016-03-15 セイコーエプソン株式会社 周波数測定装置及び電子機器
JP2013048332A (ja) * 2011-08-29 2013-03-07 Fujitsu Ltd 無線装置およびメトリック計算方法
CN105867876A (zh) * 2016-03-28 2016-08-17 武汉芯泰科技有限公司 一种乘加器、乘加器阵列、数字滤波器及乘加计算方法
EP3260977B1 (de) * 2016-06-21 2019-02-20 Stichting IMEC Nederland Schaltung und verfahren zur verarbeitung von daten
US11144316B1 (en) 2018-04-17 2021-10-12 Ali Tasdighi Far Current-mode mixed-signal SRAM based compute-in-memory for low power machine learning
US10884705B1 (en) 2018-04-17 2021-01-05 Ali Tasdighi Far Approximate mixed-mode square-accumulate for small area machine learning
US11016732B1 (en) 2018-04-17 2021-05-25 Ali Tasdighi Far Approximate nonlinear digital data conversion for small size multiply-accumulate in artificial intelligence
US11615256B1 (en) 2019-12-30 2023-03-28 Ali Tasdighi Far Hybrid accumulation method in multiply-accumulate for machine learning
US11416218B1 (en) 2020-07-10 2022-08-16 Ali Tasdighi Far Digital approximate squarer for machine learning
US11610104B1 (en) 2019-12-30 2023-03-21 Ali Tasdighi Far Asynchronous analog accelerator for fully connected artificial neural networks
US11467805B1 (en) 2020-07-10 2022-10-11 Ali Tasdighi Far Digital approximate multipliers for machine learning and artificial intelligence applications

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3030147A1 (de) * 1980-08-08 1982-02-25 Siemens AG, 1000 Berlin und 8000 München Verfahren zur naeherungsweisen bildung der funktion x (pfeil hoch)2(pfeil hoch)(pfeil hoch)y(pfeil hoch) einer normalisierten, binaeren gleitkommazahl x und schaltungsanordnung zur durchfuehrung des verfahrens
US4787056A (en) * 1986-03-26 1988-11-22 Rca Licensing Corporation Apparatus for estimating the square of digital samples
GB2236608B (en) * 1989-10-06 1993-08-18 British Telecomm Digital neural networks
FR2683340A1 (fr) * 1991-11-05 1993-05-07 Sgs Thomson Microelectronics Circuit elevateur au carre de nombres binaires.
FR2712410B1 (fr) * 1993-11-08 1996-02-09 Sgs Thomson Microelectronics Circuit élévateur au carré de nombres binaires.
US6301598B1 (en) * 1998-12-09 2001-10-09 Lsi Logic Corporation Method and apparatus for estimating a square of a number
US6298368B1 (en) * 1999-04-23 2001-10-02 Agilent Technologies, Inc. Method and apparatus for efficient calculation of an approximate square of a fixed-precision number

Also Published As

Publication number Publication date
EP1006437A1 (de) 2000-06-07
EP1137981B1 (de) 2007-03-07
AU1159700A (en) 2000-06-19
KR20020021079A (ko) 2002-03-18
KR100608471B1 (ko) 2006-08-02
WO2000033174A1 (en) 2000-06-08
US6463452B1 (en) 2002-10-08
CA2352846A1 (en) 2000-06-08
TW470913B (en) 2002-01-01
EP1137981A1 (de) 2001-10-04
CN1328663A (zh) 2001-12-26
JP2002531889A (ja) 2002-09-24
AR023713A1 (es) 2002-09-04
DE69935447T2 (de) 2007-11-08

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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