On the Time Required to Perform Multiplication

  • Authors:
  • S. Winograd

  • Affiliations:
  • International Business Machines Corporation, Thomas J. Watson Research Center, Yorktown Heights, New York

  • Venue:
  • Journal of the ACM (JACM)
  • Year:
  • 1967

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Abstract

The time required to perform multiplication is investigated. A lower bound on the time required to perform multiplication, as well as multiplication modulo N, is derived and it is shown that these lower bounds can be approached. Then a lower bound on the amount of time required to perform the most significant part of multiplication (⌞xy/N⌟) is derived.