Interger multiplication with overflow detection or saturation

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Description

High-speed multiplication is frequently used in general-purpose and application-specific computer systems. These systems often support integer multiplication, where two n-bit integers are multiplied to produce a 2n-bit product. To prevent growth in word length, processors typically return the n least significant bits of the product and a flag that indicates whether or not overflow has occurred. Alternatively, some processors saturate results that overflow to the most positive or most negative representable number. This paper presents efficient methods for performing unsigned or two's complement integer multiplication with overflow detection or saturation. These methods have significantly less area and delay than conventional ... continued below

Physical Description

19 p.

Creation Information

Schulte, M.J.; Balzola, P.I.; Akkas, A. & Brocato, R.W. January 11, 2000.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 22 times . More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

High-speed multiplication is frequently used in general-purpose and application-specific computer systems. These systems often support integer multiplication, where two n-bit integers are multiplied to produce a 2n-bit product. To prevent growth in word length, processors typically return the n least significant bits of the product and a flag that indicates whether or not overflow has occurred. Alternatively, some processors saturate results that overflow to the most positive or most negative representable number. This paper presents efficient methods for performing unsigned or two's complement integer multiplication with overflow detection or saturation. These methods have significantly less area and delay than conventional methods for integer multiplication with overflow detection and saturation.

Physical Description

19 p.

Notes

OSTI as DE00750196

Medium: P; Size: 19 pages

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  • Other Information: Submitted to IEEE Transactions on Computers

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  • Report No.: SAND2000-0125J
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 750196
  • Archival Resource Key: ark:/67531/metadc710021

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  • January 11, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 7, 2017, 6:51 p.m.

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Schulte, M.J.; Balzola, P.I.; Akkas, A. & Brocato, R.W. Interger multiplication with overflow detection or saturation, article, January 11, 2000; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc710021/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.