DE69801678D1 - Multifunktionnelle zweiteilige nachschlagetabelle - Google Patents

Multifunktionnelle zweiteilige nachschlagetabelle

Info

Publication number
DE69801678D1
DE69801678D1 DE69801678T DE69801678T DE69801678D1 DE 69801678 D1 DE69801678 D1 DE 69801678D1 DE 69801678 T DE69801678 T DE 69801678T DE 69801678 T DE69801678 T DE 69801678T DE 69801678 D1 DE69801678 D1 DE 69801678D1
Authority
DE
Germany
Prior art keywords
multifunctional
lookup table
part lookup
lookup
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
DE69801678T
Other languages
English (en)
Other versions
DE69801678T2 (de
Inventor
F Oberman
Norbert Juffa
E Roberts
D Weber
Krishna Cherukuri
Krishnan Ramani
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.)
GlobalFoundries Inc
Original Assignee
Advanced Micro Devices Inc
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 US09/015,084 external-priority patent/US6256653B1/en
Priority claimed from US09/049,851 external-priority patent/US6131104A/en
Priority claimed from US09/049,893 external-priority patent/US6094668A/en
Priority claimed from US09/049,750 external-priority patent/US6088715A/en
Priority claimed from US09/049,758 external-priority patent/US6085208A/en
Priority claimed from US09/049,863 external-priority patent/US6085212A/en
Priority claimed from US09/055,916 external-priority patent/US6298367B1/en
Priority claimed from US09/098,482 external-priority patent/US6223192B1/en
Application filed by Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Publication of DE69801678D1 publication Critical patent/DE69801678D1/de
Application granted granted Critical
Publication of DE69801678T2 publication Critical patent/DE69801678T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/14—Conversion to or from non-weighted codes
    • H03M7/24—Conversion to or from floating-point codes
    • 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
    • G06F17/16—Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
    • 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
    • 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
    • G06F7/50—Adding; Subtracting
    • G06F7/505—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination
    • G06F7/509—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination for multiple operands, e.g. digital integrators
    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
    • G06F9/3001—Arithmetic instructions
    • G06F9/30014—Arithmetic instructions with variable precision
    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
    • G06F9/30021—Compare instructions, e.g. Greater-Than, Equal-To, MINMAX
    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
    • G06F9/30036—Instructions to perform operations on packed data, e.g. vector, tile or matrix 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/3017—Runtime instruction translation, e.g. macros
    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3802—Instruction prefetching
    • G06F9/3804—Instruction prefetching for branches, e.g. hedging, branch folding
    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3885—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Nonlinear Science (AREA)
  • Complex Calculations (AREA)
  • Advance Control (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
DE69801678T 1997-10-23 1998-10-22 Multifunktionnelle zweiteilige nachschlagetabelle Expired - Lifetime DE69801678T2 (de)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US6360097P 1997-10-23 1997-10-23
US6360197P 1997-10-23 1997-10-23
US09/015,084 US6256653B1 (en) 1997-10-23 1998-01-29 Multi-function bipartite look-up table
US09/049,893 US6094668A (en) 1997-10-23 1998-03-27 Floating point arithmetic unit including an efficient close data path
US09/049,750 US6088715A (en) 1997-10-23 1998-03-27 Close path selection unit for performing effective subtraction within a floating point arithmetic unit
US09/049,758 US6085208A (en) 1997-10-23 1998-03-27 Leading one prediction unit for normalizing close path subtraction results within a floating point arithmetic unit
US09/049,863 US6085212A (en) 1997-10-23 1998-03-27 Efficient method for performing close path subtraction in a floating point arithmetic unit
US09/049,851 US6131104A (en) 1998-03-27 1998-03-27 Floating point addition pipeline configured to perform floating point-to-integer and integer-to-floating point conversion operations
US09/055,916 US6298367B1 (en) 1998-04-06 1998-04-06 Floating point addition pipeline including extreme value, comparison and accumulate functions
US09/098,482 US6223192B1 (en) 1997-10-23 1998-06-16 Bipartite look-up table with output values having minimized absolute error
PCT/US1998/022453 WO1999023548A2 (en) 1997-10-23 1998-10-22 Multifunction floating point addition/subtraction pipeline and bipartite look-up table

Publications (2)

Publication Number Publication Date
DE69801678D1 true DE69801678D1 (de) 2001-10-18
DE69801678T2 DE69801678T2 (de) 2003-01-16

Family

ID=27580674

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69801678T Expired - Lifetime DE69801678T2 (de) 1997-10-23 1998-10-22 Multifunktionnelle zweiteilige nachschlagetabelle

Country Status (3)

Country Link
EP (1) EP1025485B1 (de)
DE (1) DE69801678T2 (de)
WO (1) WO1999023548A2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6292815B1 (en) 1998-04-30 2001-09-18 Intel Corporation Data conversion between floating point packed format and integer scalar format
US6266769B1 (en) 1998-04-30 2001-07-24 Intel Corporation Conversion between packed floating point data and packed 32-bit integer data in different architectural registers
US6247116B1 (en) 1998-04-30 2001-06-12 Intel Corporation Conversion from packed floating point data to packed 16-bit integer data in different architectural registers
US6263426B1 (en) 1998-04-30 2001-07-17 Intel Corporation Conversion from packed floating point data to packed 8-bit integer data in different architectural registers
US6282554B1 (en) 1998-04-30 2001-08-28 Intel Corporation Method and apparatus for floating point operations and format conversion operations
US6948056B1 (en) * 2000-09-28 2005-09-20 Intel Corporation Maintaining even and odd array pointers to extreme values by searching and comparing multiple elements concurrently where a pointer is adjusted after processing to account for a number of pipeline stages
DK1521040T3 (da) 2003-10-01 2007-04-02 Imes Man Ag Anordning til affugtningaf rumluft
GB201111035D0 (en) * 2011-06-29 2011-08-10 Advanced Risc Mach Ltd Floating point adder
US9916130B2 (en) * 2014-11-03 2018-03-13 Arm Limited Apparatus and method for vector processing
US10656913B2 (en) 2018-06-05 2020-05-19 International Business Machines Corporation Enhanced low precision binary floating-point formatting

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05241792A (ja) * 1992-02-27 1993-09-21 Nec Corp 浮動小数点加減算方式および装置
AU3664293A (en) * 1993-02-01 1994-08-29 Pickett, Lester C. Low latency function generating apparatus and method

Also Published As

Publication number Publication date
WO1999023548A3 (en) 1999-08-05
DE69801678T2 (de) 2003-01-16
WO1999023548A2 (en) 1999-05-14
EP1025485A2 (de) 2000-08-09
EP1025485B1 (de) 2001-09-12

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: GLOBALFOUNDRIES INC. MAPLES CORPORATE SERVICES, KY