A Parallel Algorithm for Multiple-Precision Division by a Single-Precision Integer

  • Authors:
  • Daisuke Takahashi

  • Affiliations:
  • Graduate School of Systems and Information Engineering, University of Tsukuba, Tsukuba, Japan 305-8573

  • Venue:
  • Large-Scale Scientific Computing
  • Year:
  • 2009

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Abstract

We present a parallel algorithm for multiple-precision division by a single-precision integer. This short division includes a first-order recurrence. Although the first-order recurrence cannot be parallelized easily, we can apply the parallel cyclic reduction method. The experimental results of multiple-precision parallel division by a single-precision integer on a 32-node Intel Xeon 3 GHz PC cluster are reported.