Parallel Block Implicit Integration Technique for Trajectory Parallelism.

Abstract

This report describes the evaluation of a Parallel Block Implicit (PBI) integration technique in a simplified missile trajectory. This project was carried out to ascertain the suitability of PBI techniques when modest amounts of parallelism are available; that is, when 3 to 10 processors are allocated per missile trajectory. The PBI technique was first evaluated on a serial mainframe computer before it was implemented in parallel on an INMOS TRANSPUTER with four parallel central processing units. While the serial implementation of the four-node PBI technique indicated that a speedup of a factor of three to four was possible with ideal hardware, in practice only a modest gain (approximately 30 percent) was obtained because of systems-related overhead.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1994
Accession Number
ADA288961

Entities

People

  • Alan E. Rufty

Organizations

  • Naval Surface Warfare Center

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Abstracts
  • Algorithms
  • Central Processing Units
  • Computer Programming
  • Computer Programs
  • Computers
  • Differential Equations
  • Engineering
  • Equations
  • Iterations
  • Literature Surveys
  • Mainframe Computers
  • Numerical Integration
  • Parallel Computing
  • Parallel Processing
  • Test And Evaluation
  • Trajectories

Readers

  • Aerodynamics/Aeronautics.
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Parallel and Distributed Computing.